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Comparative Study of Root Distribution in Four Field Grown Cereals
Panicum miliaceum L Pennisetum typhoideum Rich Root distribution Root length density Root system Setaria italica Bea
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2009/8/6
The root systems of four field grown cereals were observed at heading. Foxtail millet (Setaria italica Beauv.) and common millet (Panicum miliaceum L.) are small-sized, while pearl millet (Pennisetum...
Effects of Leaf Movement on Radiation Interception in Field Grown Leguminous Crops : III. Relation to leaf temperature and transpiration among soybean cultivars
Intercepted radiation Leaf movement Leaf temperature Soybean
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2009/7/31
Varietal differences of leaf movement in soybean were examined in terms of radiation interception, leaf temperature and transpiration. Five cultivars (c.v. Tsurukogane, Nanbushirome, Enrei, Tachinagah...
Effect of Field Drainage on Root Lodging Tolerance in Direct-Sown Rice in Flooded Paddy Field
Direct-sown rice cultivation Field drainage Irrigation management Pushing resistance Rice Root Root-lodging tolerance
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2009/7/29
To elucidate the effect of drainage of paddy fields on root lodging tolerance in direct-sown rice, we measured the pushing resistance (R), diameter of hill at the base (Dm), shoot dry weight (Ws) and ...
Ecophysiological Traits of Field-Grown Crotalaria incana and C. pallida as Green Manure
Bradyrhizobium Cropping system Crotalaria Green manure Growth inhibition Nitrogen mineralization Wheat
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2009/7/29
To evaluate the growth capacity and some chemical characteristics of two Crotalaria species, C. incana and C. pallida, used as green manure, we conducted a field experiment at Osaka, Japan. Both Crota...
Elementary Identification of Phenolic Allelochemicals from Dwarf Lilyturf Plant (Ophiopogon japonicus K.) and Their Growth-Inhibiting Effects for Two Weeds in Paddy Rice Field
Allelochemicals Barnyardgrass Dwarf lilyturf HPLC Monchoria
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2009/7/29
Dwarf lilyturf (Ophiopogon japonicus K.), used as a weed-suppressing cover crop and a medicinal plant, was suggested to be a promising natural herbicide to control weeds in the rice field through its ...
Drought Tolerance Characteristics of Brazilian Soybean Cultivars—Evaluation and characterization of drought tolerance of various Brazilian soybean cultivars in the field—
Brazil Crop growth rate Cultivar difference Drought tolerance Harvest index Rain shelter Seed yield Soybean
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2009/7/28
Drought is one of the major constraints for soybean production in Brazil. Seed yield of ten Brazilian soybean cultivars sheltered from rain (drought stress) for one month after the first flowering was...
Effects of Leaf Movement on Radiation Interception in Field Grown Leguminous Crops:IV. Relation to leaf temperature and transpiration among peanut cultivars
Heliotropism Infrared thermal image Intercepted radiation Leaf temperature Transpiration
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2009/7/28
Leaf movement and its relations to radiation interception, transpiration and leaf temperature in peanut cultivars were examined. Five cultivars (Chibahandachi, Tachimasari, Kanto 56, Valencia and Kint...
Effects of High Temperature on Growth,Yield and Dry-Matter Production of Rice Grown in the Paddy Field
Grain yield High temperatures Photosynthetic rate Rice (Oryza sativa L.) Spikelet sterility
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2009/7/23
The effect of high temperatures on growth, yield and dry-matter production of rice growing in the paddy field was examined during the whole growth period in a temperature gradient chamber (TGC) from 2...
Effects of Subsoiling to the Non-tilled Field of Wheat-Soybean Rotation on the Root System Development,Water Uptake,and Yield
Deuterium Glycine max (L.) Merr. Heavy water No-tillage Stable isotope analysis Subsoiling Triticum aestivum L. Water source
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2009/7/21
We introduced subsoiling to a field of wheat-soybean rotation where no-tillage practice had been conducted for five years and whose yield tended to decrease or stagnate. By subsoiling a half of each p...
Daytime and Nighttime Field Spectral Imagery of Ripening Paddy Rice for Determining Leaf Greenness and 1000-Grain Weight
Artificial light source Digital image Reflectance Rice SPAD 1000-grain weight
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2009/7/21
A spectral-image observation technique to measure the reflectance information of rice plant organs (instead of the overall canopy) under either daylight or artificial light at night was developed, and...
Cultivar Differences of Nitrogen Fixation Capacity and Its Contribution to Nitrogen Accumulation in Soybean Grown in the Field with a High Soil Nitrate Level
Cultivar difference Fixed nitrogen 15N natural abundance Nodule Relative ureide method Soybean
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2009/7/8
To analyze the cultivar differences of nitrogen fixation capacity in soybean under a high soil nitrogen condition, we estimated the amount of nitrogen fixed during the growing season and the percenta...
Difference between Canopy Temperature and Air Temperature as a Criterion for Drought Avoidance in Upland Rice Varieties under Field Conditions in Japan
Canopy surface temperature Deep-rooted Drought avoidance Drought resistance Infrared thermometry Thermal image Thermography
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2009/7/8
The difference (ΔT) between canopy temperature (Tc) and air temperature (Ta) was examined for its validity as a criterion for drought avoidance in upland rice under field conditions in Japan, where va...
Analysis of the Sources of Variations of Wheat Yield in the Field, and Possibility of the Variable Rate Management
Crop management Geostatistics Soil physiochemical property Standardized partial regression coefficient
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2009/7/7
Sources of the variation of wheat yield in paddy-upland rotational fields (rice-wheat-soybean) were examined during the wheat seasons from 2002 through 2004 to evaluate the possibility of the variabl...
Relationship of Growth Variability, with Ground Level and Soil Water Content in a Large Paddy Field in Inashiki-city, Ibaraki-prefecture in 2007—Wet Injury of Wheat
Triticum spp Excess-moisture injury Wet endurance Upland field converted from paddy field
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2009/7/7
There was a heavy rain fall on Nov. 19-20 and Dec. 26-27, 2006 in Ibaraki-prefecture. We examined wheat growth and soil conditions in a large paddy field in Inashiki-city, Ibaraki-prefecture, where p...
EFFECT OF CULTIVATION INTENSITY ON PROTEIN CONTENT AND YIELDS IN FIELD PEA
pea cultivar technology fertilization protein content and yield
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2009/3/31
A three-year field experiment (2001-2003) evaluated the influence of different field pea cultivation intensity on the protein content and yields in pea seeds and involved low-, medium- and high-expend...