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Effects of Water Table on Physiological Traits and Yield of Soybean:I. Effects of water table and rainfall on leaf chlorophyll content, root growth and yield
Chlorophyll content Root length Soybean Water table Yield
2009/7/28
The objective of this study was to obtain physiological information for the increasing yield of soybeans at drained paddy fields by controlling the water table level. We studied the effects of variou...
Varietal Differences in the Responses of Yield Components of Rice Plants to Nitrogen-Free Basal Dressing Accompanied with Sparse Planting Density in the Tohoku Region of Japan
Nitrogen-free basal dressing Rice cultivars Sparse planting density Weather conditions Yield components
2009/7/28
Grain yield of rice plants is composed of different yield components that vary with the genotype, environmental condition and cultivation practice. Experiments were conducted in 1999, 2000 and 2001 in...
Effects of Cutting Interval and Cutting Height on Dry Matter Yield and Overwintering Ability at the Established Year in Pennisetum Species
Cutting interval and height Dry matter yield Overwintering Pennisetum
2009/7/28
The effects of cutting interval and cutting height on dry matter productivity and overwintering ability were compared among 4 Pennisetum species, napiergrass, kinggrass, hybrid napiergrass and pearl m...
Historical Changes in Grain Yield and Photosynthetic Rate of Rice Cultivars Released in the 20th Century in Tohoku Region
Grain filling Nitrogen application Oryza sativa L. Photosynthesis Rice Yield improvement
2009/7/28
A retrospective analysis of the physiological basis of genetic yield improvement should provide us a direction for future yield improvement. The objectives of the present study were to evaluate the ch...
Sterility of Thermo-Sensitive Genic Male Sterile Line,Heterosis for Grain Yield and Related Characters in F1 Hybrid Rice (Oryza sativa L.)
Dry matter F1 hybrid Grain yield Heterosis Sterility
2009/7/28
The thermo-sensitive genic male sterile (TGMS) T29s line was sterile when exposed to daily mean temperatures of 24.1°C or above during the critical stage (from 15 to 11 days before heading). It was co...
Effects of Carbon Dioxide Enrichment during Different Growth Periods on Flowering,Pod Set and Seed Yield in Soybean
CO2 enrichment Growth stage Flowering Pod set Raceme order Soybean
2009/7/28
The objective of this study is to elucidate the effects of CO2 enrichment during different growth periods on flowering, pod set and seed yield in soybean (Glycine max (L.) Merr.). Soybean cultivar ‘Fu...
Varietal Differences in Tillering and Yield Responses of Rice Plants to Nitrogen-Free Basal Dressing Accompanied with Sparse Planting Density in the Tohoku Region of Japan
Nitrogen-free basal dressing Rice cultivars Sparse planting density Weather conditions Yield
2009/7/28
At present, the main challenge in rice production is to achieve a high and stable yield with low input. In this study, the growth of tillers and yield of 12 rice cultivars and lines in the practice of...
Analysis of Yield Production Process in Sweet Sorghum (Sorghum bicolor Moench) : I. Elongation patterns of leaf blade, leaf sheath and elongated internode
Age Elongated internode Growth curve Leaf blade Leaf sheath Length of internode
2009/7/28
The harvest object of a sweet sorghum plant is all parts of shoot which mainly consists of a juicy main stem, leaf blades and leaf sheaths. To obtain higher yield, it is important to understand in det...
Effects of Elevated CO2 Concentration and High Temperature on Growth and Yield of Rice:II. The effect on yield and its components of Akihikari rice
Air temperature CO2 concentration Rice Spikelet number Sterility Temperature gradient chamber
2009/7/28
Yield and its component organs of rice (cv. Akihikari) were examined for populations grown under two different CO2 concentrations (350 and 690μLL-1)×four temperature regimes in temperature gradient ch...
Effects of Elevated CO2 concentration and High Temperature on Growth and Yield of Rice : I. The effect on development, dry matter production and some growth characteristics
Air temperature Biomass production CO2 concentration Global climate change Growth and development Rice Root development Temperature gradient chamber
2009/7/28
Phenological development, biomass production and the related growth characteristics of rice (cv Akihikari) in canopy were measured over the entire growth period under different CO2 concentrations and...
Effect of Charcoal on the Yield of Sweet Potato
Charcoal K2O-N ratio Sweet potato (Ipomoea batatas Lam.) Three phases of soil
2009/7/27
Some investigations were made to clarify the effects of charcoal on soil environment and the yield of sweet potato (Ipomoea batatas Lam.). Because charcoal contains a large amount of potassium, applic...
Effect of Foliar Application of Triacontanol on Growth and Yield of Rice Plants:IV. Effect of triacontanol on the ripening of rice plants under shading and low temperature conditions
Foliar application Grain weight increase Low temperature Rice plants Ripening Shading Triacontanol
2009/7/27
The effects of foliar application of triacontanol (TRIA; 10ppb) on the ripening of rice were investigated under the condition of shading after heading and of low temperature before heading. The shadin...
Growth and Yield of Potato Cultivars in Spring Cropping : I. Plant morphology, growth, assimilate partitioning and yield under two planting densities
Dry matter Growth analysis Morphology Partitioning Plant density
2009/7/27
Response of potato genotypes (Solanum tuberosum L.) to increase in planting density was examined. Three potato cultivars (Irish Cobbler, May Queen and Dejima) and two planting densities (5 and 10 pla...
Effects of Elevated CO2 Concentration and Warming on Growth and Yield of Rice
C/N ratio Different containers Dry matter production Elevated CO2 Rice Warming Yield
2009/7/27
Effects of combined treatments of CO2 (400, 660, 1200 ppm) and air temperature (outdoor tracking, outdoor +2°C) on growth and yield of rice (Oryza sativa L. cv. Nipponbare) grown in growth chambers un...
Effects of Salty Wind on the Yield and Quality in Rice Using a Wind Tunnel
Rice yield Salty wind damage Type I quantification method Typhoon Wind tunnel
2009/7/27
The effects of salty wind on the brown rice weight and quality of rice were investigated using a wind tunnel. Two varieties, cv. Hinohikari, cv. Yumehikari, were grown in 1/2000a Wagner's pots contain...