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Studies on Seedling Emergence and Establishment in Direct Sowing of Paddy Rice into Paddled and Leveled Soil as Influenced by Local Soil-Environment around Seed
Seedling Emergence Direct Sowing of Paddy Rice Paddled and Leveled Soil
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2009/7/29
Studies on Seedling Emergence and Establishment in Direct Sowing of Paddy Rice into Paddled and Leveled Soil as Influenced by Local Soil-Environment around Seed.
Comparison of Water Use Efficiency of Paddy Rice (Oryza sativa L.) among Locations and Interannual Variation in Humid Areas : 1. Reliability of estimated canopy transpiration rate from meteorological and physiological data of the crop
Canopy resistance Evapotranspiration Leaf area index Penman-Monteith method Rice Stomatal conductance
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2009/7/29
The transpiration rate is affected not only by meteorological but also by physiological and structural factors of the crop. Our objectives were to develop a method of estimating the transpiration rate...
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 ...
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 ...
Geostatistical Analysis of Yield,Soil Properties and Crop Management Practices in Paddy Rice Fields
Crop managementGeostatistics Multivariate analysis Nitrogen Oryza sativa L. Precision agriculture Soil physicochemical property Spatial variability
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2009/7/28
We examined the possible benefit of rational site-specific crop management practices in 17 paddy fields located in an area of 2.0 ha for the prevalence of precision agriculture methods on a cooperativ...
Effects of Mixed Coating of Oxygen Generating Chemicals and Several Kinds of clay on Seedling Emergence in Direct Sowing of Paddy Rice
Calcium peroxide Clay Emergence of seedling Direct sowing into flooded soil Soil oxidation Paddy rice
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2009/7/27
The effects of mixed coating of seed with oxygen-generating chemicals containing 16% calcium peroxide (CaO2) and clay on the seedling emergence of rice (Oryza sativa L.) from flooded soil were examine...
Effects of Deep Water Treatment on the Growth of Culms and the Lodging Resistance in Japonica Type Paddy Rice (Oryza sativa L.) Cultivars
Breaking strength Deep water treatment Internode Lodging resistance Lysigenous aerenchyma
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2009/7/27
We carried out this experiment to clarify the growth of culms of Japonica type rice cultivars under deep water conditions with special reference to lodging resistance of culms. We used four Japonica ...
High-Yielding Performance of Paddy Rice Achieved in Yunnan Province, China:II. Spikelet production of Japonica F1 hybrid rice, Yu-Za 29
Lodging index Nitrogen use efficiency Panicle number Spikelet Yu-Za 29
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2009/7/24
The spikelets produced, amouting to as much as 71, 000 per m2 in a dense-planting plot, had been attained by combining of 487 panicles per m2 and 148.8 spikelets per panicle. The panicle number per m2...
High-Yielding Performance of Paddy Rice Achieved in Yunnan Province, China:I. High yielding ability of Japonica F1 hybrid rice, Yu-Za 29
China High yield Paddy rice Solar radiation
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2009/7/24
Rice seedlings of cultivar Yu-Za 29 were planted by the conventional cultivation method with a planting density of 78.5 hills per m2 (dense planting) in Binchuan, Yunnan Province and achieved a paddy...
Effects of Planting Pattern on the Interception of Solar Radiation by the Canopy and the Light Extinction Coefficient of the Canopy in Rice Plants Direct-sown in a Submerged Paddy Field
Crop growth rate Direct sowing Interception of solar radiation Light-intercepting characteristics Planting pattern Rice
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2009/7/24
In order to investigate effects of planting pattern on the interception of solar radiation by the canopy and the light extinction coefficient of the canopy in rice, the rice plants direct-sown in a su...
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...
Seedling Establishment of Rice Sown on Soil Surface in Flooded Paddy Field : I. Varietal difference in seedling establishment
Direct seeding Establishment Floating seedling Flooded paddy field Rice Seedling establishment
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2009/7/23
Field experiments were carried out to clarify the differences and key factors in the rate of seedling establishment among rice varieties sown on the soil surface in flooded paddy fields. The percentag...
Effects of Temperature,Sowing Depth and Soil Hardness on Seedling Establishment and Yield of Cambodian Rice Direct-seeded in Flood Paddy Fields
Growth Low temperature Seedling establishment Sowing depth Water drainage before sowing Yield
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2009/7/23
Rice is the most important crop for supporting Cambodian economy, however the cultivated area is limited due to the rice production system. Rice is transplanted by hand and yet the direct-seeding tech...
Analysis of Physiological and Ecological Characteristics of Rice Cultivated with Direct Seeding on Dry Paddy Field
Direct seeding cultivation Mechanical transplanting cultivation Photosynthesis Rice
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2009/7/23
To understand the growth habit of rice plants under direct seedling cultivation on well-drained paddy fields, physiological and ecological characteristics were compared among directly seeded and trans...
Effect of Winter Weeds on Growth and Yield of Direct-Seeded Rice in No-tillage Dry Paddy Field
Direct sowing culture of paddy rice Fertilizer No-tillage Rice Winter weeds Yield
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2009/7/23
The effects of winter weeds on the growth and yield of direct-seeded rice (Oryza sativa L. cv. Akebono) were evaluated in a no-tillage dry paddy field where Alopecurus aequalis Sobol. var. amurensis (...