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- W2348090237 abstract "As the characteristic of low efficiency of soil nutrient in cold waterlogged paddy field,experiment was conducted to study the effects of soil testing and formulated fertilization on rice yield and fertilization response to NPK,which could provide scientific evidence for fertilizer formula in special soil.Fertilizer response experiment was designed by 3414 method with regression optimal design principle.The results showed that yields of treatments with formula fertilization were higher than that of CK.Besides,treatment of N2P2K2(10 kg N,3 kg P and 8 kg K per 667 m2) had the highest grain yield with 434.6 kg for early rice and 450.5 kg for late rice,respectively.N played the most important effects on rice yield among elements of N,P,K.The optimal economic fertilizer rate and equation could be fitted by integration of the interaction effect of fertilizers.Combined with the local agricultural production practice and fertilization experience,the recommend fertilizer application rate were 11~13 kg for N fertilizer,3~4 kg for P fertilizer and 8~11 kg per 667 m2 for K fertilizer." @default.
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- W2348090237 date "2012-01-01" @default.
- W2348090237 modified "2023-09-22" @default.
- W2348090237 title "Effects of soil testing and formulated fertilization on rice yield and fertilization effect in cold waterlogged paddy field" @default.
- W2348090237 hasPublicationYear "2012" @default.
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