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Changes in Nitrate Reductase Activity of Leaf and Nitrogen Distribution with Growth in Potato Plants
Chlorophyll reading Nitrate reductase activity Nitrogen accumulation Nitrogen harvest index
2009/7/23
Four field-grown potato cultivars, Irish Cobbler, May Queen, Dejima and Nishiyutaka, were subjected to measurements of leaf nitrate reductase (NR) activity (in vivo assay) and the distribution of nitr...
Reduction of Growth and Symbiotic Nitrogen Fixation in Soybean as Affected by the Site of Simulated Acid Rain Application
Acetylene reduction activity Acid rain Nodule Photosynthesis Soybean Symbiotic nitrogen fixation
2009/7/23
Reductions of growth and symbiotic nitrogen fixation were studied in soybean exposed to simulated acid rain (SAR) applied to different sites. Soybean cultivar Okuharawase was grown in 1/5000a pots und...
Diurnal and Phenological Changes in the Rate of Nitrogen Transportation Monitored by Bleeding in Field-Grown Rice Plants (Oryza sativa L.)
Takeo Sakaigaichi Shigenori Morita Jun Abe Takeshi Yamaguchi
2009/7/23
Nitrogen uptake is essential for rice growth and yield. Thus, the development of a simple and rapid method for monitoring nitrogen absorption is strongly required. We examined the fundamental properti...
Rice Uptake and Recovery of Nitrogen with Different Methods of Applying 15N-Labeled Chicken Manure and Ammonium Sulfate
Ammonium sulfate Chicken manure Method of fertilizer application 15N-labeled Nitrogen recovery Rice
2009/7/23
The effects of different methods of fertilization on rice uptake and recovery of nitrogen were studied using 15N-lablled chicken manure (CM) and ammonium sulfate (AS). The results showed that the appl...
Nitrogen and Potassium Fertility Impacts on Aggregate Sheath Spot Disease and Yields of Rice
Nitrogen Nutrient-disease interaction Potassium Rhizoctonia oryzae-sativae Rice
2009/7/23
Aggregate sheath spot (AgSS), a disease caused by Rhizoctonia oryzae-sativae, is one of the major rice (Oryza sativa L.) diseases in California. A three year study was initiated in 1998 to evaluate t...
Effects of Shading and Nitrogen Fertilizer Levels on the Leaf Emergence Rate and Tillering of Rice Plants, with Special Reference to the Turning Point of the Leaf Emergence Rate
Leaf emergence rate N fertilizer level Rice plant Shading Tillering Turning point of the leaf emergence rate
2009/7/22
The effects of shading and nitrogen (N) fertilizer levels on the turning point of the leaf emergence rate (TPLER), and the leaf emergence rate and tillering of rice plants before and after TPLER were ...
Effect of Nitrogen Application Rate and Timing on Grain Yield and Protein Content of the Bread Wheat Cultivar ‘Minaminokaori’ in Southwestern Japan
Active tillering Anthesis Bread wheat Grain protein content Grain yield ‘Minaminokaori’ Triticum aestivum L. Wheat
2009/7/21
The effect of nitrogen (N) application rates at active tillering and anthesis on grain yield and protein content of a bread wheat cultivar, ‘Minaminokaori’, was examined in the field study conducted i...
Effects of Planting Time and Nitrogen Application on Dry Matter Yield of the Forage Rice Cultivar Tachiaoba in Southwestern Japan
Dry matter yield Forage rice Nitrogen application method Nitrogen application rate Oryza sativa L. Planting time Tachiaoba
2009/7/21
We examined the effects of planting time on the dry matter (DM) yield of the forage rice cultivar Tachiaoba in southwestern Japan. DM yield was much higher with early planting than with normal plantin...
Characteristics of Gas Exchange and Chlorophyll Fluorescence during Senescence of Flag Leaf in Different Rice (Oryza sativa L.) Cultivars Grown under Nitrogen-Deficient Condition
Chlorophyll fluorescence Flag leaf Leaf senescence Nitrogen deficiency Photoinhibition Photosynthesis Rice (Oryza sativa L.)
2009/7/21
Effects of nitrogen (N) deficiency on photosynthetic gas exchange and photosystem II (PSII) photochemistry of flag leaves during grain-filling stage were investigated in six rice cultivars, Kasalath (...
Effect of the Application of Rice Bran on the Carbohydrate Metabolism in Leaves and Stems of Rice Variety Hitomebore Cultured with the Practice of No Nitrogen Application at Basal Dressing Acommpanied with Sparse Planting
Booting Stage Hitomebore No nitrogen application at basal dressing Non-structural carbohydrate Sucrose content
2009/7/21
Hitomebore, a rice variety, was cultured in 1996 using standard practice(CON)and the practice of no nitrogen application at basal deressing accompanied with sparse planting(BNo).Raw rice bran at 120gm...
Genotypic Differences in Dry Matter Accumulation, Nitrogen Use Efficiency and Harvest Index in Recombinant Inbred Lines of Rice under Hydroponic Culture
Dry matter accumulation Grain yield Harvest index Nitrogen use efficiency for dry matter accumulation Recombinant inbred line
2009/7/21
To examine the possibility of breeding high-yielding cultivars with high nitrogen use efficiency for dry matter accumulation (NUEd) and to provide simple criteria for the selecting and breeding high-y...
Effects of Seeding Rate and Nitrogen Application Rate on Grain Yield and Protein Content of the Bread Wheat Cultivar ‘Minaminokaori’ in Southwestern Japan
Anthesis Bread wheat Grain protein content Grain yield ‘Minaminokaori’ Nitrogen application rate Seeding rate aestivum L
2009/7/20
We examined the effects of seeding rate, 50 or 150 seeds m-2, nitrogen (N) application rate at active tillering and jointing, 4 and 2 g N m-2, respectively, or none, and N application rate at anthesis...
Growth and Nitrogen-absorbing Activity of Crotalaria juncea under Application of Excess Nitrogen
Cleaning crop Crotalaria juncea Green manure Nitrogen accumulated soil
2009/7/16
Nitrogen-absorbing activity of Crotalaria juncea L. and Zea mays L. grown as a cleaning crop in nitrogen-accumulated soil was evaluated in an experiment conducted with 200 L-volume containers filled w...
Influence of Nitrogen Application on Anther Length, Anther Width and Number of Engorged Pollen Grains as Characters Related to Cooling Injury in Rice Plants
Anther legth Anther width Basally applied nitrogen Cooling injury Cooling tolerance Number of engorged pollen grains
2009/7/16
Anther length, anther width, and number of engorged pollens were reported to have a relationship to cooling injury of rice. The effects of nitrogen application on anther size and number of pollens wer...
Effects of Drainage after Submerged Direct-Seeding on the Effectiveness of Fertilized Nitrogen and the Growth and Yield of Rice Plants
Drainage Growth Nitrogen fertilizer Nitrogen uptake Rice Seedling emergence Submerged direct-seeding
2009/7/16
Drainage after seeding has recently been practiced in general for the improvement of seedling emergence in submerged direct-seeding rice(Oryza sativa L.)cultivation. We examined the relationship betw...