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Effect of earthing up on lodging in direct-seeding rice culture.
Single application of total nitrogen fertilizer with controlled-release coated urea on non-tilled rice culture (LP-plot) was compared with a conventional application method using easily released nitro...
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...
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...
We studied the possibility of introducing the single fertilizer application in an area of paddy rice culture by early planting and normal season culture in Gunma prefecture. The fertilizer was applied...

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