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Patterns of Soil Nitrogen Release in Paddy Fields of Warm Regions in Japan and Diagnosis of Fertilizer Application : I. Influence of soil nitrogen release from paddy soils on growth and yield of rice plants of warm regions
Basal application of nitrogen Nitrogen uptake Rice plants Soil fertility
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2009/8/5
The Influence of nitrogen release from paddy soils on the grain yield of rice plants was investigated, and the optimum amount of nitrogen fertilizer application was estimated for each of the soil nitr...
Analysis of the Tillering Behavior of the Rice Plant in the Paddy Field:I. The tillering pattern under two nitrogen levels of basal dressing
First emerged tiller Number of tillers Relative tiller position Rice Synchronous growth
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2009/8/5
Under the two types of nitrogen dressing which prevail in Miyagi prefecture, rice cv. Sasanishiki was cultivated in the paddy field, and the tillering pattern was analyzed. One type of nitrogen dress...
Seedling Emergence and Establishment of Direct-sown Paddy Rice in Soils Incorporated with Substances Produced in Reductive Paddy Soil
Acetic acid Direct sowing Ferrous iron Paddy rice Seedling emergence Seedling establishment
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2009/8/4
Although seedling emergence and establishment is inhibited by soil reduction in the direct sowing of paddy rice into puddled and leveled soil, the reasons for this are not clearly understood. This exp...
Changes in Physical and Chemical Characteristics of Culm Associated with Lodging Resistance in Paddy Rice under Different Growth Conditions and Varietal Difference of Their Changes
Bending stress Cell wall component Growth condition Lignin Lodging resistance Paddy rice
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2009/8/4
The present investigation was undertaken to examine which physical and chemical characteristics of the culm associated with lodging resistance changed under different growth conditions using three var...
Varietal Difference of the Cell Wall Components Affecting the Bending Stress of the Culm in Relation to the Lodging Resistance in Paddy Rice
Bending stress Cell wall component Lignin Lodging resistance Paddy rice Varietal difference
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2009/8/4
We investigated which cell wall components of the culm affect the bending stress of the culm using seven rice cultivars. A small difference in the cell wall composition was noticed among the cultivars...
Patterns of Soil Nitrogen Release in Paddy Fields of Warm Regions in Japan and Diagnosis of Fertilizer Application : II. Characteristics of soil nitrogen mineralization and nitrogen uptake patterns of rice plants in Fukuoka Prefecture
Amount of nitrogen uptake Fertilizer nitrogen Nitrogen mineralization Paddy soils Soil nitrogen
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2009/8/4
Topsoils collected from various regions in Fukuoka Prefecture were incubated and the amount of mineralized nitrogen was measured. The relationship between the mineralized nitrogen amount (N) and the ...
Case Studies on High Yields of Paddy Rice in Jiangsu Province, China:II. Analysis of characters related to lodging
Breaking resistance China High yield Lodging index Paddy rice Shan You 63
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2009/8/4
To clarify lodging resistance of high yield examples, characters related to lodging of Shan You 63 (F1 hybrid rice) with 965 gm-2 of a brown rice weight were analyzed. There were various factors for e...
Case Studies on High Yields of Paddy Rice in Jiangsu Province, China:I. Characteristics of grain production
China Grain production High yield Paddy rice Shan You 63 Translocation
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2009/8/4
Analysis of the characteristics of grain production of 965 gm-2 obtained by Shan You 63 (F1 hybrid rice) in 1991 was carried out Absorption of nitrogen reached 21 gm-2 up to the time of heading, and a...
Floral Impotency Due to Cool Weather in Paddy Rice Plants in the Early-season Culture Area : III. Effect of growth retardant on the reduction of necessary water depth in the deep irrigation method at the booting stage
Antiauxin Cool-summer damage Growth retardant IBP Inabenfide Necessary water depth in deep irrigation method Paclobutrazol Uniconazole
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2009/7/31
For the purpose of improving the deep irrigation method as a countermeasure of floral impotency due to cool weather by means of a reduction of the necessary water depth to protect young panicles, stu...
Excess Moisture Injury of Soybeans Cultivated in an Upland Field Converted from Paddy : V. Supplemental nitrogen application as a countermeasure against excess moisture injury
Excess moisture injury Flower shedding Nitrogen fixation Photosynthetic rate Pod shedding Seed yield Soybean
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2009/7/31
The purpose of this experiment was to examine whether the application of nitrogen (N) fertilizer as ammonium sulfate is an effective countermeasure against excess moisture injury of soybeans [Glycine ...
Response of Leaf Water Potential of Rice (Oryza sativa L.) to Evaporative Demand under Paddy Field Conditions:II. Relationship between response and yield
Evaporative demand Grain yield Leaf water potential Location Radiation Spikelet number
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2009/7/31
We observed previously (Part 1) that maintenance ability of leaf water potential (Ψ1) in rice plants under paddy field conditions changed depending on planting years and seasons and individual locatio...
Response of Leaf Water Potential of Rice (Oryza sativa L.) to Evaporative Demand under Paddy Field Conditions : I. Changes with plant development
Evaporimeter Evaporative demand Growth stage Leaf water potential
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2009/7/31
Because the leaf water potential (Ψ1) of the rice plant (Oryza sativa L.) is strongly affected by the evaporative demand of the atmosphere under paddy field conditions, and most changes in Ψ1 reflect ...
Chanenges to the Direct Sowing System of Paddy Rice Production in Hokkaido
Direct Sowing System Paddy Rice Production Hokkaido
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2009/7/31
Chanenges to the Direct Sowing System of Paddy Rice Production in Hokkaido.
The relationships between the tolerance to cool temperature in the booting stage and the grain quality of paddy rice in Hokkaido
tolerance to cool temperature grain quality paddy rice
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2009/7/31
The relationships between the tolerance to cool temperature in the booting stage and the grain quality of paddy rice in Hokkaido.
Effect of Competition in a Hill to Seedling Number per Hill on Yield Components and Yield in Paddy Rice
Number of seedlings Number of stems Percentage of fruitful culms Rice plant Yield Yield components
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2009/7/30
To elucidate the effect of the number of seedling per hill on yield components and yield, rice plants cv. Nipponbare and Hourei were transplanted at three levels (1, 4, and 7) and two levels (4 and 7...