Plenary papers.- Plant nutrition in the 20th and perspectives for the 21st century.- Facing the challenge of food scarcity: Can we raise grain yields fast enough?.- Application of microinjection techniques to plant nutrition.- Regulation of mineral nitrogen uptake in plants.- Physiological nitrogen efficiency in rice: Nitrogen utilization, photosynthesis, and yield potential.- 1. Functions of macro and micro elements.- Does boron play only a structural role in the growing tissues of higher plants?.- Boron requirement for reproductive development in wheat.- Significance of N source (urea vs. NH4NO3) and Ni supply for growth, urease activity and nitrogen metabolism of zucchini (Cucurbita pepo convar. giromontiina) 75.- HPLC/ICP-MS study of metals bound to borate-rhamnogalacturonan-II from plant cell walls.- Ameliorative effects of phosphate and silicate on aluminum toxicity in barley and rice plants.- Effect of different concentrations of urea with or without nickel on spinach (Spinacia oleracea L.) under hydroponic culture.- Leaching from the leaf surface and its significance for apoplastic ion balance.- A borate-rhamnogalacturonan II complex in germinating pollen tubes of lily (Lilium longiflorum).- Relationships between cell wall composition and leaf development in low-P mashbean (Vigna aconitifolia) plants.- Effect of potassium on EDTA-osmoticum, nitrate reductase activity and productivity of groundnut-sugarcane intercropping under water deficit conditions.- Plant tolerance to nitrogen deficit and excess: Ion compartmentation in root cells.- Nitrogen, phosphorus and potassium concentrations and their balance of durum wheat plants during different growth stages.- Calcium signalling in programmed cell death in plants.- 2. Uptake and transport of nutrients I: Nutrient uptake.- Reevaluating the free-ion activity model of trace metal availability to higher plants.- Plant uptake of Cd and Zn in chelator-buffered nutrient solution depends on ligand type.- Possible role of root-ethylene in Fe(III)-phytometallophore uptake in Strategy II species.- Compartmentation and flux analysis of Ca2+ in citrus root using isotope exchange kinetics.- Characterization of ferric chelate reductase in plasma membranes isolated from cucumber roots.- Regulation of phosphate absorption by phosphorus nutritional status in Arabidopsis thaliana seedlings.- The toxicity of Cu on the seedlings of a mangrove (Kandelia candel) in the presence of NaCl.- Simultaneous observation of nitrogen uptake, transport and assimilation by rice and wheat young plants fed 15N-nitrate.- Differences in growth and nutrition of legumes in varying soil temperature and phosphorus.- Uptake and translocation of N and P in Leucaena leucocephala grown at different N, P and Al concentrations.- A high affinity Na-dependent phosphate uptake induced by P starvation in Chara.- 3. Uptake and transport of nutrients II: Nutrient translocation.- Detection and characterization of nitrogen circulation through the sieve tubes and xylem vessels of rice plants.- Isolation and patch clamp measurements of xylem contact cells for the study of their role in the exchange between apoplast and symplast of leaves.- The mechanism of phloem mobility of boron.- Characteristics of light-regulated iron transport system in barley chloroplasts.- Inheritance of potassium, calcium and magnesium status in maize (Zea mays L.) plants.- Solute-pool enlargement in drought-sensitive or -tolerant grain legumes: Concentration effect or osmotic adjustment?.- Efficiency of K utilization by soybean cultivars.- Uptake and transport of positron-emitting tracer in irradiated plants.- Seasonal changes in accumulation and retranslocation of nutrients in Casuarina glauca cladodes.- Study on sugar accumulation of sweet sorghum.- The effect of the level of nitrogen supply on the amino acid composition in phloem sap and in leaf extract of rice.- Net influx of calcium and efflux of potassium in groundnut pods grown in solution culture.- 4. Molecular biology and biotechnology in plant nutrition.- Genetic and physiological approaches toward understanding the mechanisms underlying the sulfur-regulated expression of ?-conglycinin genes.- High-affinity phosphate transporter genes of Arabidopsis thaliana.- The froh gene family from Arabidopsis thaliana: Putative iron-chelate reductases.- Transfer of potassium channel genes into tobacco.- Changes in the activities of ammonia assimilation enzymes during senescence of Brassica napus leaf protoplasts.- Exogenous sucrose supresses a far-red light block of greening in Arabidopsis seedlings.- Molecular aspects of potassium and water transport, and their bearing under salt stress.- Uninfected cell specific enhancement of a nodulin-35 genomic gene expression in soybean nodules. Evidences by RT-PCR and chimeric promoter region: GUS reporter gene analysis using transgenic hairy root system of soybean.- Expression in Escherichia coli and purification of a fusion protein containing a hydrophilic region from Oryza sativa plasma membrane H+-ATPase.- Short root-hair mutant of Arabidopsis thaliana.- Isolation of an Arabidopsis thaliana mutant in which the soybean ?-conglycinin gene promoter does not respond normally to sulfur deficiency.- Cloning of axi1-like cDNA from soybean.- Screening of Arabidopsis thaliana mutants sensitive to sulfur deficiency.- Wounding inducibility of axi1 gene, which induces auxin independent cell division of tobacco protoplast.- Pectic fragments prepared by irradiation and their phytoalexin elicitor activity.- Transcription regulation of a Kunitz chymotrypsin inhibitor gene which is expressed abundantly in seeds and tuberous roots of winged bean.- Modification of the nitrogen utilization in transgenic tobacco plants that have enhanced or repressed expression of a putative nitrite transporter in chloroplast envelope.- Hydroponic culture of Arabidopsis thaliana to screen mutants defective in the absorption of manganese.- PCR-assisted differential display of the expression of genes that are induced by manganese-deficiency in tomato roots.- Phenotypic characterization of tobacco mutant CF15-9, which overexpress the axi1 gene, under phosphate deficient condition.- Characterization and cDNA cloning of the GPI-anchored phosphatase from Spirodela oligorrhiza.- Selection of mineral stress resistant lines in sugarcane through biotechnological methods.- Structure and function of two higher plant sulfate transporters.- 5. Tolerance to nutrient deficiency I: Micronutrients.- Role of rye chromosomes in improvement of zinc efficiency in wheat and triticale.- Root exudation and microflora populations in rhizosphere of crop genotypes differing in tolerance to micronutrient deficiency.- Reevaluation of the genes induced by iron deficiency in barley roots.- Iron stress response in iron-efficient and iron-inefficient groundnut cultivars.- Manganese deficiency and toxicity levels for Japanese mint.- Dissolution of iron from soils by mugineic acid.- Iron stress response in chickpea (Cicer arietinum L.): morphological changes and levels of H+-ATPase mRNA in root tips.- Zinc efficiency of dwarf Zea mays treated with a gibberellin-biosynthesis inhibitor.- Characteristics of root Fe3+-reduction and root exudate secretion under Fe-deficient conditions in alfalfa.- Seed manganese (Mn) content is more important than Mn fertilisation for wheat growth under Mn deficient conditions.- Efficient Mn uptake in barley is a constitutive system.- Prevention and correction of iron-deficiency chlorosis of groundnut in India.- Tolerance of fababean genotypes to low zinc using carbonic anhydrase (CA) activity as a screening technique.- Evidence that transplanted oilseed rape (Brassica napus) has a higher external zinc requirement than direct sown plants.- Characterization of iron deficiency response system with riboflavin secretion in some dicotyledonous plants.- Purification, characterization and DNA sequencing of nicotianamine aminotransferase (NAAT-III) expressed in Fe-deficient barley roots.- Possible involvement of Ids3 in the hydroxylation of deoxymugineic acid to mugineic acid in Fe-deficient barley roots.- Effect of seed zinc content on grain yield and zinc concentration of wheat grown in zinc-deficient calcareous soils.- Relationship between sulfur metabolism and biosynthesis of phy-tosiderophores in barley roots.- Physical mapping of rye genes determining micronutritional efficiency in wheat.- Genotypic variation for Mn efficiency in durum wheat (Triticum turgidium L. var. durum).- Establishment of a screening system for “Fe(III)-phytosiderophore” transporter protein from Fe-deficient barley roots.- 6. Tolerance to nutrient deficiency II: Phosphorus.- Properties of secretory acid phosphatase from lupin roots under phosphorus-deficient conditions.- Phosphorus deficiency enhances root exudation of low-molecular weight organic acids and utilization of sparingly soluble inorganic phosphates by radish (Raghanus satiuvs L.) and rape (Brassica napus L.) plants.- Comparison of the ability of different crop species to access poorly-available soil phosphorus.- The role of cell wall components from groundnut roots in solubilizing sparingly soluble phosphorus in low fertility soils.- Response of maize (Zea mays L.) to soil stress and to P and K fertilization on strong K-fixing soil.- Kinetic properties and “in situ” visualization of acid phosphatase secretion from cowpea roots under P-deficiency.- Zinc response in clusterbean as influenced by genotypic variability.- Potassium-deficiency stress tolerance and potassium utilization efficiency in wheat genotypes.- Characteristics of aluminum phosphate utilizing cells: Alteration in enzyme activities in carbon metabolism.- The exudation of organic acids by pigeonpea roots for solubilizing iron- and aluminum-bound phosphorus.- Mechanisms for efficient utilization of phosphate by wheat and a new screening method for efficient genotypes.- Adaptive strategies of maize genotypes in low P supply.- Analysis of protein in low-phosphorus-adapted ruzigrass (Brachiaria ruziziensis).- 7. Diagnostic techniques for plants and soils.- Critical values for sulfur in young plants of oilseed rape (Brassica napus L.) determined with reference to dry weight, leaf area and specific leaf weight.- Responses of secondary metabolism in plants to nutrient deficiency.- Physiological changes during the development of potassium deficiency in cotton.- Potassium quantity-intensity relationships of a hydrosequence of soils from the Cerrado region of Brazil.- Stored nitrate for diagnosing N sufficiency in wheat crops.- Extractants testing for determination of plant available manganese in soil.- Prompt gamma ray analysis of boron in plants and soil.- Soil fertility and productivity evaluation of selected Philippine soils.- Potassium deficiency diagnosis in soybean (Glycine max L. Merr.).- Comparison of methods for determination of phosphorus retention.- Extractability of soil phosphorus by different methods and its critical limit for wheat.- Diagnostic technique for nitrogen nutrition of cabbage to increase sugar concentration.- Critical levels of available P in acid soils of Cameroon.- Non-destructive measurement of plant growth and nitrogen status of pearl millet with low-altitude aerial photography.- In situ measurement of soil nutrient supply in lowland rice fields.- Sugarbeet nutritional diagnosis using remote sensing.- 8. Tolerance to mineral toxicity I: Heavy metals and salts.- Accumulation and transport of nickel in relation to organic acids in ryegrass and maize grown with different nickel levels.- Genetic improvement of heavy metal tolerance in plants by transfer of the yeast metallothionein gene (CUP1).- Salt tolerance in two gramineae sp. Panicum maximum and Eleusine coracana: glycinebetaine accumulation and expression of betaine aldehyde dehydrogenase mRNA.- Sulphydryl groups in two Brazilian corn cultivars as a function of cadmium in the nutrient solution.- Ion uptake, metabolism and yield of rice (Oryza sativa L.) at excess iron in the growth medium.- Seasonal variations of amino acids and organic acids in the xylem sap of Quercus ilex L. growing on 405 serpentine and sandy loam soils.- Higher plant metallothionein genes confer Cu resistance to yeast.- Increased susceptibility to photoinhibition in leaves of Japanese elm (Ulmus davidiana var.japonica) with high manganese concentrations.- Characterization of phytochelatin synthase and relationship with Cd-tolerance of plant.- Effect of temperature and zinc supply on early growth of Zn-efficient and Zn-inefficient genotypes of oilseed rape (Brassica napus L.).- Effect of irrigation water salinity on the growth of trees for revegetation in the United Arab Emirates.- Effect of salinity on seed germination and seedling growth of the species collected from the saline areas of Iran.- Effect of soil salinity on the growth and nutritional status of crop plants and that of N and P application.- Effects of soil salinity on the growth, nutritional status and salt-removing capacity of fodder beet.- Crop cultivation and the change of salts in saline soil.- 9. Tolerance to mineral toxicity II: Acid soil and Al.- Aluminum distribution and viability of plant root and cultured cells.- Genetic and physiological analysis of doubled-haploid, aluminium-resistant lines of wheat provide evidence for the involvement of a 23 kD, root exudate polypeptide in mediating resistance.- Early events induced by aluminum stress in elongating cells of wheat root.- Excretion and metabolism of malic acid produced by dark carbon fixation in roots in relation to aluminium tolerance of wheat.- Complexing ability of organic acids with aluminium in acidic soils.- Secretion of citric acid as an aluminium-resistant mechanism in Cassia tora L..- An aluminum-tolerant cell line isolated from cultured tobacco cells.- The inheritance of aluminium stress response in rye (Secale cereale L.) inbred lines.- Excretion of citrate as an aluminium-tolerance mechanism in tropical leguminous trees.- Cellular distribution and chemical forms of aluminum in Scapania undulate.- Response of plants adapted in low pH soils to aluminum.- Chemical characterization of two forests on the coastal plains of the Ilha do Mel, Paraná, Brazil.- Aluminum distribution and its related mechanisms in roots and other parts of some Japanese tree species.- Selection of aluminium-tolerant variants in Arabidopsis thaliana in solution culture.- Al-binding capacity of plasma membrane of root-tip portion in relation to Al tolerance.- Factors limiting tea pollen tube growth in soil solution from three acid soils.- A new method for assessing pollen tube growth and its application to study alleviation of aluminium stress.- Mechanisms of differential tolerance of crop plants to high aluminium and low phosphorus growth conditions.- 10. Nutrients in rhizosphere and nutrient acquisition.- A new root box for developing whole root systems in water culture.- Studies on nickel and manganese dynamic in the rhizosphere of wheat.- The soil solution composition as a predictor for metal availability to spinach: a comparative study using 137Cs, 85Sr, 109Cd, 65Zn and 152Eu.- Phosphorus acquisition and cycling in crop and pasture systems in low fertility tropical soils.- Modelling and measurement of the effects of K-fertiliser on yield, crop uptake and soil-K.- Fractionation of soil copper and manganese in the rhizosphere of finger millet.- Determination of low molecular weight organic acids in forest soils.- Growth-promoting effect of root exudates of Fe-deficient alfalfa on Rhizobium meliloti.- The Earth Box™ — A containerized gradient oriented nutritional paradigm.- Preferential use of organic nitrogen by upland rice compared to maize.- Exploitation potential for nonexchangeable potassium of Lupinus albus L. and Triticum aestivum L..- Changes in phosphorus compounds around the rhizosphere of groundnut and pigeonpea grown in an Andosol with arbuscular mycorrhizal fungi.- Phosphate distribution and movement in the rhizosphere of wheat.- Distribution of denitrifying and enzyme activities across the rhizosphere of wheat.- 11. Environmental pollution and plant nutrition.- Nitrogen movement and water quality at a poorly-drained agricultural and riparian site in the Pacific Northwest.- Zinc uptake by plants on amended polluted soils.- Dieldrin uptake from a contaminated Haplustox by glasshouse-grown plants.- Accumulation of gallium (Ga) in Azolla.- Nitrogen dynamics in paper-mulched paddy field fertilized with controlled-release coated urea by 15N-method.- Content of Be, Ga, Sb, Cs, Ba, La, Tl and Bi in wild plants: screening for accumulating plants.- Prediction and measurement of nutrients leaching from a soil under fodder crops in the Indian semi-arid tropics.- Effects of cadmium on sorghum plants (Sorghum vulgare Pers.) cultivated on soiless culture.- Relationship between soil acidification and nutrient cycling in a forest ecosystem on Volcanogenous Regosols in Hokkaido, northern Japan.- Physiological responses of rice crop to cement dust.- Influence of rainfall on mass loss and potassium dynamics of decomposing forest tree leaf litter.- Background levels of heavy metals in kanagawa prefecture farm soils impacted by volcanic ash from Mt. Fuji.- Emission of N2O from a clayey aquic soil cultivated with onion plants.- Restoring the productivity potential of Mt. Pinatubo-affected soils.- Effect of organic materials and lime application on cadmium uptake by ryegrass (Lolium multiflorum Lam.) in cadmium polluted acid soils.- Salt tolerance in reed canarygrass (Phalaris arundinacea L.) grown on soil perfused with cattle urine.- Chromate sorption by acid and alkaline soils.- Chemical composition of deciduous and coniferous vegetation, mosses and humus as environmental indicator in Slovakia.- N2O and N2 emissions from a soilless culture system as affected by greenhouse climate.- 12. Recycling of nutrients in organic wastes.- Effect of alkaline stabilized sewage sludge solids on chemical speciation and plant availability of Cu and Zn in the rhizosphere soil solution.- Ecological evaluation of long-term application of sewage sludges according to the legislative permissions.- Recycling of municipal and industrial organic wastes in agriculture: benefits, limitations, and means of improvemen.- Residue recycling for restoring soil fertility and productivity in Japanese mint (Mentha arvensis) mustard (Brassica sp.) system.- Alkaline stabilized sewage sludge cake as an organic fertiliser for spring barley.- The effect of barnyard manure of different degradation levels on grass production.- Effect of zeolite addition to chicken manure on nitrogen mineralization in the soil.- Use as a fertilizer of effluent from a bio-gas generator processing animal manure.- Decomposition characteristics of organic manure in soil and influence of manure application on extractable Fe and Zn.- Effect of decomposition of city refuse compost on the behavior of organic compounds in the particle size fractions.- Nutrients recycled from pruned fronds in mature oil palm (Elaeis guineensis Jacq.).- Effective of long-term applications of sewage sludge on Zn and Cu retention in sludge-treated soil.- Origin of selective inhibitors of legume-seed germination in sludge composts.- 13. Advances in fertilizer and fertilization strategy.- Use of urease inhibitors to reduce ammonia loss from broadcast urea and increase grain yield of flooded rice in Thailand.- Nitrogen management and biological nitrogen fixation in sorghum/pigeonpea intercropping on Alfisols of the semi-arid tropics.- Effects of organic-acid treatment of phosphate rocks on the phosphorus availability to Italian ryegrass.- Characteristics of P supply from polyolefin-coated P fertilizers in soil.- Effect of Bacillus pumilus PJ 19 and UPMB 001 on the dissolution of gafsa phosphate rock in acid soils.- Uptake and efficiency of split applications of nitrogen fertilizer in winter wheat.- Effect of split nitrogen application on grain nitrogen, grain protein and nitrogen harvest of wheat (T. aestivum L.) genotypes.- Effect of shade and fertilizer application on dry matter yield of medicinal plants.- Properties of a new slow-release nitrogen fertilizer “SUPER-IB”.- A new fertilization system for rice cultivars susceptible to lodging.- Improvement of nitrogen fertilizer availability by co-situs placement using polyolefin-coated fertilizers in corn production.- A mechanism and an improved simulation of nitrogen release from resin-coated urea.- Evaluation of dry matter production and nutrient-element accumulation of several summer-growing green manure crops.- Calcium boron interaction studies in tomato grown in a calcareous soil.- Resin-coated urea fertilizer use efficiency in direct seeding culture of paddy rice.- Effects of no-tillage system on silage-corn yields and soil characteristics in Andisol.- Effects of polyolefin-coated fertilizer containing NPK and micro-elements on copper deficiency in barley and wheat in acid high humic Andisol.- Effects of zinc fertilization and irrigation on grain yield and zinc concentration of various cereals grown in zinc-deficient calcareous soils.- Determination of uptake efficiencies and leaching properties of nitrogen fertilizers in tomatoes using lysimeters.- 14. Root structure and function.- Nitrate-uptake capacity of different root zones of Zea mays (L.) in vitro and in situ.- A root-shoot interaction hypothesis for high productivity of field crop.- Gibberellin, cytokinins, nitrate content and rate of water transport in the stem in response to root temperature.- Estimation of mucilage on maize roots with ruthenium red.- Measurement of root length and width using image analysis system.- Grain yield and root activity in upland crops grown continuously or in rotation plots with different depths of topsoil.- The effects of soil compaction on the growth and nutrient status of rice grown under flooded conditions.- Nitrogen fertilizer management in pigeonpea/sorghum intercropping on an Alfisol in the semi-arid tropics.- 15. Dinitrogen fixation.- Changes in concentration of leghemoglobin components in hypernodulation mutants of soybean.- Physiological aspects of nitrogen fixation response to copper nutrition in several grain legume species.- Fine structure of Frankia in root nodules and isolation of Frankia from nodules of actinorhizal plants growing in Japan.- A nodulation type with increased number of nodules and nitrate intolerance in soybean.- Effect of fertilization on soybean yield and quality on poor soil.- Polyamine as a negative regulatory substance in defense responses of soybean against the infection and nitrogen fixation by Bradyrhizobiumjaponicum.- Genomic diversity of Bradyrhizohium strains compatible with soybean (Glycine max L. Merr.) harboring various Rj-genes.- Proliferative response of Rhizobium etli strains to the mixture of common bean exudate and the soil extract.- Physiochemical mechanism of nitrate nitrogen stress on root nodulation in common bean and soybean seedlings.- Influence of native root microflora on wheat growth.- Effect of Ca Levels and some fertilizer application formulas on yield and biological nitrogen fixation by peanut in Vietnam.- Assimilation of biological and mineral nitrogen of pea plants in symbiosis with nodule bacteria.- 16. Microorganisms affecting plant nutrition.- The effect of two arbuscular mycorrhizal fungi on growth and phosphorus nutrition of Populus nigra seedlings.- Growth stimulatory substances for vesicular-arbuscular mycorrhizal fungi in Bahia grass (Paspalum notatum Flügge.) roots.- Transport processes at the plant-fungus interface in mycorrhizal associations: physiological studies.- Root colonization and iron nutritional status of a Pseudomonas fluorescens in different plant species.- Phosphorus transfer via vesicular-arbuscular mycorrhizal hyphal link between roots of red clover.- Relationship of crop yield to microbial biomass in highly-weathered soils of China.- Detection of amo gene of chemolithotrophic ammonia-oxidizers in soil by nested PCR.- Effects of strontium treatment on bacterial wilt development and the concentration of strontium in inoculated tomato seedlings.- Effect of fertilization on suppression of common scab of potato.- Role of plant nutrition on alleviating nematode parasitism.- Effects of previous crops on the arbuscular mycorrhizal formation of maize plants under different soil moisture conditions.- Nitrogen transformations to carbon mineralization in soil.- The effect of various plant residues on microbial activity and N mineralization in Kurupelit soil.- Suppressive effect of Geranium pratense L. on potato common scab and identification of the effective compound.- Effects of different plant species on soil microbial biomass carbon in a grassland soil.- Responses of phosphorus uptake and growth of Allium fistulosum L. cultivars to arbuscular mycorrhizal colonization.- A rapid method for determining bacterial biomass on the root surface.- Arbuscular mycorrhizal infection decreases the free amino acid contents in the host plant.- Effects of added organic matter on microbial biomass nitrogen dynamics and plant uptake in paddy soils.- Bases of physiological and biochemical interactions between plants and microorganisms in agrocenoses.- 17. Rice plants: Physiology and production.- Nutritional physiology of the rice plant and productivity decline of irrigated rice systems in the tropics.- Molecular markers linked to genes underlying seedling tolerance for ferrous iron toxicity.- Applications of a simple rice-nitrogen model.- Possibility of copper deficiency and impediment in ripening in rice from application of crop residues in submerged soil.- Rice seedling establishment as affected by soil type and redox potential.- Effects of Indonesian electric furnace slag on rice yield and chemical properties of soils.- The use of an anti-lodging agent for rice fertilized with controlled-release urea.- Photosynthesized carbon distribution in relation to nitrogen and phosphorus status of rice leaves.- Isolation of genomic DNA fragment of rice phloem thioredoxin h.- Increase of PEPC activity in developing rice seeds with nitrogen application at flowering stage.- Sulfur status of rice and lowland soils in West Africa.- Fertilizer management and nitrogen use efficiency for irrigated rice grown on calcareous-alkaline soils.- Behavior of nitrogen in soil and uptake by the rice plant.- 18. Nitrogen and sulfur metabolism.- Comparison of contents for cytosolic-glutamine synthetase and NADH-dependent glutamate synthase proteins in leaves of japonica, indica, and javanica rice plants.- Ammonia exchange between plants and the atmosphere: Effects of ammonium supply to the roots, dark-induced senescence and reduced GS activity.- Effects of exogenous ABA application on sulfate and OAS concentrations, and on composition of seed storage proteins in in vitro cultured soybean immature cotyledons.- Agrobacterium-mediated transformation of Sasanishiki, a leading cultivar of rice (Oryza sativa L.) in northern Japan.- The effect of nitrogen nutrition on the resistance of tobacco to light stress.- Nitrogen and sulphur nutrition of oilseed rape and crop quality.- Peanut glutamate dehydrogenase: A target site of herbicide action.- Effects of amides on the expression of NADH and NAD(P)H nitrate reductase genes in barley seedlings.- Depression of ?-subunit accumulation in nitrogen deficient soybean seeds.- Purification and characterization of adenosine 5’-phosphosulfate sulfotransferase of radish seedlings.- Effects of seleno-methionine on accumulation of seed storage proteins of soybean.- Seed derived nitrogen in bean plant organs during early growth stages.- Regulation of nitrate reduction by sink activity in soybean (Glycine max L.).- The effects of nitrate on sprouting of grapevine buds and changes in amino acid concentration.- 19. Photosynthesis, respiration and dry matter production.- Cotton responses to nitrogen, carbon dioxide, and temperature interactions.- Growth, grain yield and quality of rice (Oryza sativa L.) in response to elevated CO2 and phosphorus nutrition.- Ribulose-1,5-bisphosphate carboxylase (Rubisco) content and nitrogen allocation in rice leaves under CO2 enrichment: Optimization of Rubisco content by ‘antisense’ rbcS.- Critical stage of nitrogen requirement for citrus fruit development.- Effects of high CO2 on nodule formation in roots of Japanese mountain alder seedlings grown under two nutrient levels.- Effect of potassium nutrition on translocation of photosynthesized 14C and carbon-nitrogen metabolism in leaves of various crop plants.- How do nutrients drive growth?.- The role of molecular oxygen in the photosynthetic electron transport of higher plants.- No biochemical evidence for separating respiration into growth and maintenance.- Nutritional characteristics of sago palm (Metroxylon sagus).- Effect of brassinolide on growth and parameters of photoautotrophically cultured green tobacco cells.- Aluminum and calcium effects on photosynthesis and chlorophyll fluorescence in taro.- Factors controlling leaf area development in husk leaf of flint corn (Zea mays L.).- Effect of CO2 enrichment on stem and fruit diameters, and fruit growth in Japanese pear (Pyrus serotina Reheder).- Physiological characteristics of husk leaves and its contribution to grain production in maize (Zea mays L.).- Different mechanisms of carbon-nitrogen interaction in cereal and legume crops.- 20. Crop quality and plant nutrition.- Sulphur nutrition: An important factor for the quality of wheat and rapeseed.- Influence of late nitrogen application on nitrogen translocation and protein fractions of wheat genotypes differing in protein content.- 13CO2 feeding studies on the metabolism of carbohydrates, ascorbate and oxalate in spinach (Spinacia oleracea L.).- A strategy for breeding staple-food crops with high micronutrient density.- Response of sugar beet to foliar fertilization with Epsom salt (MgSO4.7H2O).- Effects of sulfate application and shading on myrosinase activity and S-methyl-L-cysteine sulfoxide content in radish (Raphanus sativus L.) roots.- Changes in soybean quality resulting from applications of lime and potassium fertilizer.- Improvement of phosphorus uptake of forage legumes by rock phosphate fertilization and vesicular-arbuscular mycorrhiza inoculation.- Genetic analysis of nitrogen contents in four wheat cultivars and their hybrids.- Sugar beet yield and quality as affected by N fertilization and crop planting density.- Effects of zinc and copper application on timothy (Phleum pratense L.) growth on andisol grasslands in Konsen district.- Effect of nitrogen fertilization and post-maturity rainfall on wheat grain quality.- The role of winter wheat chromosomes 5D and 5A in nitrogen accumulation and grain protein content.- Effect of ammonium-nitrogen supply on oxalic acid content in spinach grown in hydroponics and fields.- A low cost ridge hammering tillage system for high quality production of sweet potato.- Effects of nitrogen application on the yield and quality of F1-hybrid tomato seeds.- Effects of replacing of nitrate with urea or chloride on the growth and nitrate accumulation in pak-choi in the hydroponics.- Organic top dressing to improve yield and quality of paddy rice.- Relationships between the mineralized-N levels in rice field soil and the total N levels in brown rice.- Effect of NH4-N levels and K/Ca ratios in the nutrient solution on incidence of blossom-end rot and gold specks on tomato fruits grown in rockwool.- Ascorbic acid and reducing sugars contained in two kinds of tomato fruits watered by different methods.- Improving ascorbic acid content of tomato fruits by the oxidized yeast extract.- Improvement of pineapple fruit quality by molybdenum.