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Development of a Site-Specific Nitrogen Management System for Paddy Rice Food Technology
precision agriculture map variable rate technology yield-monitoring combine
2009/9/10
Land consolidation involving the joining of small paddy fields to form a large-size field has been promoted recently in Japan in order to increase the efficiency of rice production. However, the varia...
Reduction of Growth and Symbiotic Nitrogen Fixation in Soybean as Affected by the Site of Simulated Acid Rain Application
Acetylene reduction activity Acid rain Nodule Photosynthesis Soybean Symbiotic nitrogen fixation
2009/7/23
Reductions of growth and symbiotic nitrogen fixation were studied in soybean exposed to simulated acid rain (SAR) applied to different sites. Soybean cultivar Okuharawase was grown in 1/5000a pots und...
Method of Estimating the Variation of Developmental Stages on the Basis of the On-Site Data of Transplanting Date in Rice-Producing Areas
AMeDAS Cooling degree days Developmental stage Glumaceous flowers Paddy rice
2009/7/7
The variation of developmental stages in rice-producing areas makes it difficult to estimate cool weather damage. We made a method to estimate the percentage of productive panicles and glumaceous flo...