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Dry Matter Productivity of High Biomass Sugarcane in Upland and Paddy Fields in the Kanto Region of Japan
Erianthus spp., sorghum Dry Matter Productivity High Biomass Sugarcane
2010/10/25
Eight high biomass sugarcane clones and two commercial sugarcane cultivars were planted in upland and paddy fields in Tsukuba in 2003-2005 to identify a new crop suitable for abandoned
paddy fields i...
Development of Air-assisted Strip Seeding for Direct Seeding in Flooded Paddy Fields
paddy direct seeding in flooded field air-assisted seeding
2010/12/2
We have investigated the use of air-assisted strip seeding for direct seeding in flooded paddy fields. A seeder was developed using a commercially available granule applicator remodelled for tractor i...
Strategies for Controlling the Apple Snail Pomacea canaliculata (Lamarck) (Gastropoda: Ampullariidae) in Japanese Direct-Sown Paddy Fields
golden apple snail management rice direct seeding
2009/9/9
The apple snail Pomacea canaliculata becomes a much more serious pest in direct-sown rice fields than in transplanted fields. In south Japan, it represents an important constraint on the implementatio...
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
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...
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
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 ...
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
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...
Analyses of the Vertical Distribution of Roots in Wheat, Soybean and Rice in Tilled and Non-tilled Multipurpose Paddy Fields
Derect sowing Distribution of roots Non-tilled cultivation Rice Root depth index(RDI)
2009/7/21
Wheat and soybean were grown in an upland field converted from a paddy of gray lowland soil in Ibaraki, Japan in 1994-1995.Wheat and rice were also grown in multipurpose paddy fields of peat soil in 1...
Selection Effectiveness of Lodging Tolerance by using Pushing Resistance for Improving Rice Cultivar adapted to Direct Sowing Culture in Flooded Paddy Fields
Breeding Direct sowing culture Lodging tolerance Pushing resistance Rice Selection effectiveness
2009/7/15
This study was undertaken to find the selection effectiveness of lodging tolerance by using pushing resistance for improving rice cultivar adapted to direct sowing culture in flooded paddy fields. Th...
N, P and K Input by Irrigation Water into Paddy Fields of Fukuoka Prefecture
Inorganic nitrogen Irrigation water Potassium Total nitrogen Total phosphorus
2009/7/15
N, P and K input into paddy fields from irrigation water in Fukuoka Prefecture were estimated from the data of N, P and K content in irrigation water X reported amount of irrigation water. Total N inp...
Seedling Establishment of Direct Seeded Rice without Coating of Oxygen-generator on the Soil Surface in Flooded Paddy Fields(Genetic Resources and Evaluation)
Direct seeding Dissolved oxygen Emergence Floating seedling Rice Turned down seedling
2009/7/15
This study was conducted to clarify seedling establishment of direct seeded rice without coating of oxygen-generator, water temperture and dissolved oxygen conditions on the soil surface in flooded pa...
Growth and Grain Yield of Wheat Experimental Lines with Deep and Shallow Root System in Wet Paddy Fields
Root depth index Root system Waterlogging Wheat Wet endurance Wet injury
2009/7/9
Doubled-haploid lines of wheat with deep and shallow root system, nine lines each, were grown in paddy fields. Grain yield of shallow-rooting 9 lines was higher than that of deep-rooting 9 lines, esp...
Growth and Yield of Rice in the Paddy Fields with Different Yield Levels in
Stem number Maximum number of stems Yield Yield survey Percentage of fruitful stems
2009/7/9
Rice yield was estimated from that in 30 hills harvested at the center of each paddy field in Kikuchi district Kumamoto Prefecture in 1985. The rice fields surveyed were managed by two groups of inno...
Effects of Puddling before Seeding and Drainage after Seeding on Emergence and Establishment of Rice Direct Seeded with a Shooting Hill-Seeder in Submerged Paddy Fields
Drainage of flooded water Paddy field Puddling Rice Seedling emergence Seedling establishment
2009/7/8
This study investigated the effects of puddling and drainage on seedling emergence and establishment of rice direct seeded with a “shooting hill-seeder” in submerged paddy fields. Water content (oxyg...
Effects of the Rates of Seedling Emergence and Coleoptile Elongation under Anaerobic Conditions on Seedling Emergence and Establishment of Rice Direct Seeded in Flooded Paddy Fields
Coleoptile Direct seeding in flooded paddy field Rice Seed Seedling emergence rate
2009/7/7
We examined the factors affecting seedling emergence and establishment of rice direct seeded in flooded paddy field using 128 rice cultivars. The emergence and establishment of the seedlings in a conc...
Improvement of Seedling Emergence and Establishment of Rice Direct Seeded in Flooded Paddy Fields
Coleoptile length Direct seeding in flooded paddy field Draining of flooded water Rice Seedling emergence rate Seedling establishment Sugar metabolism of seed
2009/7/7
In our country, the work of raising seedlings and transplantation occupies one-quarter of the working hours for growing rice. Introduction of direct seeding culture is expected to reduce the cost and...