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Agronomic Characteristics of Aromatic Rice Cultivars Collected from Japan and Other Countries(Genetic Resources and Evaluation)
Aromatic rice Locality Morphological traits Native cultivars Oryza sativa L
2009/7/10
Aromatic rice has been cultivated in many regions throughout Japan and in South and South-East Asian countries from ancient days. In an attempt to clarify the agronomic characteristics of aromatic ric...
Variation in the Percentage of Different Seeding Establishment Types of Direct Seeded Rice in Submerged Soil among Japonica and Indica Cultivars
Rice Seminal root Direct seeding Seedling establishment Cultivar Adventitious root
2009/7/9
Twenty Japonica and 13 Indica cultivars of rice were seeded on the soil surface in paddy field and at a 1 cm depth in the soil and the soil surface in a container, and the type of their seedling esta...
Optimum Planting Density and Nitrogen Application Rate for Maximizing Rice Yield in the Nile Delta
Planting density Paddy yield Yield components Rice Nitrogen rate Nile Delta Leaf area index
2009/7/9
In the Nile Delta, rice (Oryza sativa) used to be cultivated with comparatively low planting density (15 hill m-2), large hill (19 to 23 plant per hill) and small nitrogen (10 g m-2) in the 1980’s. E...
Waxy Rice Cultivation by Direct Sowing in a Well-Drained Paddy Field in Hokkaido
Cold region Well-drained paddy field Paddy Direct sowing Cold temperature Establishment Hokkaido Waxy rice
2009/7/9
To cultivate waxy rice instead of transplanting by direct sowing in Hokkaido, we investigated the germination, emergence and establishment of waxy rice (cv. Hakuchou-mochi and cv. Kazenoko-mochi) unde...
Comparison of Transplanting Injury between Rice Seedlings Cultivated on a Cotton Mat on Hydroponic Culture Solution with Different Nitrogen Compositions
Ammonium nitrogen Cotton mat Hydroponics Nitrate nitrogen Nitrogen form Plant form
2009/7/9
The effect of root pruning on transplanting injury was compared between the rice seedlings raised on cotton mats spread on a hydroponic culture solution with different nitrogen compositions (plots 1 ...
Characteristics of Dry Matter Production in Rice Plants Cultivated in Non-Tillage and Non-Paddling Field—Comparisons with Conventional Cultivation
Dry matter production Photosynthetic rate Grain yield Yield components Rice plant
2009/7/9
Dry matter production and related characteristics of rice plants cultivated in non-tillage and non-paddling paddy fields (non-tillage plants) were compared with those cultivated in conventionally til...
As a part of the fundamental researches on the use of a laser beam for physical control of weed, pest and disease, the effect of using a laser beam on the rice plant was studied. The laser beam of 53...
Studies on the Yielding Ability of Rice Plants Cultured by the Multiple Row Planting of Mature Seedling—A Case Study at Kikuchi District in Kumamoto Prefecture
6th leaf emerging seedlings Koshihikar Minaminishiki Multiple row planting Transplanting method
2009/7/8
In 1986, a new-type transplanting machine for the 6th leaf-emerging seedlings was introduced to two innovative farmers' groups at Kikuchi district in Kumamoto Prefecture where transplanting machines ...
Identification of Main Paddy Rice Cultivars in Tochigi Prefecture by RAPD Analysis
DNA marker Identification of cultivars Paddy rice RAPD analysis
2009/7/8
The objective of this study was to establish the technology to identify paddy rice cultivars by Ramdom Amplified Polymorphic DNA (RAPD) analysis to raise the quality of rice in Tochigi prefecture and...
Characteristics of Dry Matter and Grain Production of the Early Rice in the Early Season Culture in Warm Southwestern District of Japan
Dry Matter Production Early Season Culture Early Variety Rice Sink/Source Ratio
2009/7/8
In recent years, the early season culture using the early cultivars has been commonly practiced in early season rice culture on the coastal areas in Kochi Prefecture. In order to clarify the yield-det...
The Actual State of Rice Plant Damage of Yamagata Prefecture Caused by the Salty Winds of Typhoon No.15, 2004 from the View Point of Typhoon Characteristics
Damage by salty winds High wave Tohoku district Typhoon No.15 (2004)
2009/7/8
Rice plants in an extensive area were damaged by salty winds caused by typhoon No.15, 2004 in the Shonai area of yamagata Prefecture. The yield index of rice was the lowest in 35 years. The character...
Labor-saving and Stabilization of Non-tillage Direct Seeding Rice-Wheat Cultivation System by Autumn Puddling and Application of Controlled-fertilizer
Autumn puddling Controlled-release coated urea Fertilizer application at the same time of rice direct seeding Non-tillage direct seeding Rice
2009/7/8
This study was conducted to examine the effect of autumn puddling before wheat seeding and application of controlled-release fertilizer on the growth of rice direct-seeded in the wheat stand. Yield a...
Growth and Yield Characteristics of Rice (Oryza sativa L.) Grown in Deep-flood Irrigation under No-tillage Cultivation with Single Basal Fertilization to the Nursery Box in Hilly and Mountainous Regions
Controlled-release fertilizer Cool weather damage Deep-flood irrigation Hilly and mountainous regions No-tillage cultivation
2009/7/8
Field trials were conducted to examine the growth and yield characteristics of rice (Oryza sativa L.) cultivated in deep-flood irrigation under no-tillage cultivation with single basal fertilization t...
Measurement of Nitrogen Loss by Percolating and Overflowing in Rice Cultivation in Pots
Nitrogen balance sheet Nitrogen content Nitrogen loss Overflowing Percolating
2009/7/8
This study was conducted to obtain basic data to establish simple models of nitrogen dynamics for managing highly productive and environment-friendly low nitrogen application in rice production. Here...
Promotive Effect of Pre-Transplanting Phosphorus Application on the Early Growth of Rice
Early growth Phosphorus Phosphorus content Pre-transplanting phosphorus application
2009/7/7
In order to apply “pre-transplanting phosphorus application” (PTPA) to the lowland rice cultivation, we examined the effects of immersing the seedlings in potassium phosphate solution at different co...