燐酸養分の水稲生産能率について
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概要
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The productive efficiency of phosphorus nutrient for the rice plant was estimated by the water culture, which contains different phosphorus concentration in the culture solution. The high efficiencies were shown during the early growth stage, i. e. during 25 days after transplantation of the rice seedings, and in the case of the optimum phosphorus concentrtion, maximum efficiency for grain production was found on about the 16th day after transfer to the water culture.
- 社団法人日本土壌肥料学会の論文
- 1951-08-15