2011•Heilongjiang nongye kexueRequires access

Effect Research of Controlled Release Special Fertilizer on Rice in Qing'an County

Sun Lei

Abstract

The application effect of controlled release special fertilizer on rice-production in Qing'an county was carried out using Songjing No.9.The result showed that compared to the equal nutrition of common compound fertilizer and high nitrogen fertilizer,the controlled release special fertilizer could increase the rice yield by 23.90% and 15.11%.The treatment 4,which decreasing the amount of controlled release special fertilizer by 30%,could increase yield by 4.62% compared with the common fertilizer.

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Key concepts: Fertilizer, Yield (engineering), Agronomy, Controlled release, Nitrogen fertilizer, Nitrogen, Mathematics, Environmental science