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Excess Moisture Injury of Soybeans Cultivated in an Upland Field Converted from Paddy : III. Foliar application of urea as countermeasure against excess moisture injury
Dry matter production Excess moisture injury Foliar application of urea Nitrogen fixation
2009/8/6
The purpose of this experiment was to examine whether the foliar application of urea is effective as a countermeasure against excess moisture injury of soybeans [Glycine max (L.) Merr.]. During the fl...
Promotion of Seedling Emergence of Paddy Rice from Flooded Soil by Coating Seed with Potassium Nitrate
Calcium peroxide Direct sowing Foliage leaf emergence Germination Paddy rice Pelleted seed
2009/8/6
Emergence and establishment of seedling of paddy rice sown into flooded soil are poor but promoted when seeds are coated with O2 generator CaO2. It has been commonly understood that this is because C...
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
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...
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
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...
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
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...
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
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...
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
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...
Development of paddy-upland roatation techniques in rice field and research subjects in the furure
paddy-upland roatation techniques rice field research subjects
2009/7/15
Development of paddy-upland roatation techniques in rice field and research subjects in the furure.
A Method to Reduce the Weight and Cost of Nursery Boxes for Paddy Rice
Amount of the soil Lightweight Low cost Paddy rice Pool raising
2009/7/9
Under the condition of pool raising in Gunma Prefecture, we reduced the amount of soil in the nursery box to reduce the whole weight of the nursery box and to reduce the cost for raising paddy rice s...
Husking ratio of winnowed paddy selected by 1.06 specific gravity
Aimed-at precision Coefficient of variation Confidence level Husking ratio Matsushima’s yield assessment Number of investigated samples
2009/7/9
This study aimed to improve Matsushima’s yield assessment method for rice using the hills sampled along five lines parallel to a diagonal. When growing plants by transplanting young seedlings, the co...
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...
Survey on the Extension and Spreading of New Technology for Low-Cost and Labor-Saving in Paddy Rice Culture in Gunma Prefecture, Central Japan
Demonstrate plot Extension Farmhouse Opinion Paddy rice Questionaire reserch Technology for low cost and labor-saving
2009/7/8
The concern for new technology for low cost and labor-saving culture developed by the authors were generally low. The main reasons are: poor understanding of the research organization about the pres...
Evaluation of New Seedling-Rearing and Feritilization for Low-Cost and Labour-Saving on Paddy Rice Culture in the Rice-wheat Double Cropping Area of Gunma Prefecture
Feritillization Labor-saving Low cost Management Paddy rice Rearing of seedling
2009/7/8
New methods for low-cost and labour-saving of paddy rice culture in the east flat area of Gunma Prefecture were evaluated. Economics was evaluated by indisensable cost per 10a. Labor efficiency was e...
Effects of the Growth Stage at Transplanting of Paddy Rice Seedlings on Heading Date and Floral Sterility Caused by Low Temperatures—in the Cool Summer of 2003 in Miyagi Prefecture
Cool summer damage Heading time Low-temperature injury Middle seedling
2009/7/8
Paddy rice seedlings transplanted at different growth stages in Miyagi prefecture in 2003 were examined for heading date and the percentage of ripening on all stems in each hill in relation to cool su...
Studies on Suitable Time to Harvest Paddy Rice Cultivar “Asahi-no-yume” in Tomo Area of Gunma Prefecture
Accumlated temperature Asahi-no-yume Goropikari Green paddy rate Paddy rice cultivar
2009/7/8
In 2000, we replaced paddy rice cultivar "Goropikari" with "Asahi-no-yume" in Tomo Area of Gunma Prefecture.However, we lacked data about suitable harvesting time.Therefore, we examined the suitable h...