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Trial of fertilizer efficiency of N-P-K compound fertilizer "3414" in paddy field

Yonghong Chen

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Abstract

Trial of fertilizer efficiency of N-P-K compound fertilizer 3414 was carried out in rice field of Xianyou county.The results showed that N was the main limiting factor to rice grain yield,applying N fertilizer had the most significant effect on rice yield,followed by K fertilizer,and the third was P fertilizer.According to the results,The fertilizer-applying amounts of N,P2O5 and K2O for maximum grain yield were 11.45 kg,5.20 kg,8.24 kg per 667 m2,respectively.Those for economic grain yield were 10.11 kg,3.47 kg,5.64 kg per 667 m2,respectively.

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What this paper is about

Trial of fertilizer efficiency of N-P-K compound fertilizer 3414 was carried out in rice field of Xianyou county.The results showed that N was the main limiting factor to rice grain yield,applying N fertilizer had the most significant effect on rice yield,followed by K fertilizer,and the third was P fertilizer.According to the results,The fertilizer-applying amounts of N,P2O5 and K2O for maximum grain yield were 11.45 kg,5.20 kg,8.24 kg per 667 m2,respectively.Those for economic grain yield were 10.11 kg,3.47 kg,5.64 kg per 667 m2,respectively.

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Available abstract

Trial of fertilizer efficiency of N-P-K compound fertilizer 3414 was carried out in rice field of Xianyou county.The results showed that N was the main limiting factor to rice grain yield,applying N fertilizer had the most significant effect on rice yield,followed by K fertilizer,and the third was P fertilizer.According to the results,The fertilizer-applying amounts of N,P2O5 and K2O for maximum grain yield were 11.45 kg,5.20 kg,8.24 kg per 667 m2,respectively.Those for economic grain yield were 10.11 kg,3.47 kg,5.64 kg per 667 m2,respectively.

Key concepts: Fertilizer, Yield (engineering), Mathematics, Grain yield, Limiting, Agronomy, Field experiment, Materials science

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