ケイ酸入り牡蠣殻石灰粒状肥料の水稲施肥試験--第2報
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概要
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[Synopsis] The granular fertilizer made of silicate and oyster sell powder was evaluated the efficacy by application for rice production in the paddy field experiment again. The fertilizer was made by same procedure along with previously reported. The experimental setting was along with conventional rice production in Nara Pref. Japan. The rice plant growth applied by the fertilizer application was slightly better than control plant growth. The 10% 37.5 kg/10a application in transplanting field was the best plant growth. But these yields were almost same compared with their control. The tendency was shown as the low Si application（ 5％ Si） more effective than highly doses（ 10％） in this field test.
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