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2009•Journal of Hebei Agricultural SciencesRequires access

'3414' Fertilizer Efficiency Experiment of Late Rice and the Recommended Fertilizer Amount in Southeastern Hubei

Zhan Hui-mei

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Abstract

The effects of combined application of N,P and K fertilizers on the economic characters and yield of late rice in Xishui County were studied by'3414' fertilizer efficiency experiment.The results showed that N fertilizer had the most important effect on the economic characters and yield,and had important influence on the P and K fertilizers efficiency.Comprehensively considered the yield and economic benefit,the optimum amount of N,P and K fertilizers was 169.85 kg/hm2,36.84 kg/hm2 and 80.94 kg/hm2,respectively.

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The effects of combined application of N,P and K fertilizers on the economic characters and yield of late rice in Xishui County were studied by'3414' fertilizer efficiency experiment.The results showed that N fertilizer had the most important effect on the economic characters and yield,and had important influence on the P and K fertilizers efficiency.Comprehensively considered the yield and economic benefit,the optimum amount of N,P and K fertilizers was 169.85 kg/hm2,36.84 kg/hm2 and 80.94 kg/hm2,respectively.

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Available abstract

The effects of combined application of N,P and K fertilizers on the economic characters and yield of late rice in Xishui County were studied by'3414' fertilizer efficiency experiment.The results showed that N fertilizer had the most important effect on the economic characters and yield,and had important influence on the P and K fertilizers efficiency.Comprehensively considered the yield and economic benefit,the optimum amount of N,P and K fertilizers was 169.85 kg/hm2,36.84 kg/hm2 and 80.94 kg/hm2,respectively.

Key concepts: Fertilizer, Yield (engineering), Agronomy, Mathematics, Materials science, Biology, Metallurgy

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