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- W2389186864 abstract "Maize yield and the nutrient's absorption characteristic of potassium input-output balance in soil-crop system were studied under the condition of different potassium application rates in the main maize production areas of Heilongjiang province.The results showed that K fertilizer could increase potassium content of different organs in plant distinctly,especially in straw.Application of K fertilizer could increase yield of grain but yield didn't increase with K fertilizer quantity's increasing and then K fertilizer's efficiency decreased.The average yields of the maize under the K1,K2,K3,K4 treatments were increased by 1 190,1 460,1 070 and 729 kg·hm-2compaerd with the K0 treatment;The order of the potassium content of the treatments was:grainK4K3K2K1K0;strawK4K3K1K2K0.The apparent budget of Potassinm was negative,the extent of K1 and K2 were the most.Potassium balance coefficient was less than 1.According to yield,benefit and balanced coefficient,the best application of K fertilizer was K2O 100 kg·hm-2,which would make the fertilizer application more reasonable to reach high-yield,high-quality and efficient maize." @default.
- W2389186864 created "2016-06-24" @default.
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- W2389186864 date "2010-01-01" @default.
- W2389186864 modified "2023-09-25" @default.
- W2389186864 title "Effect of Potassium Fertilizer on Yield Benefit of Maize and Potassium Balance of Soil-Crop System" @default.
- W2389186864 hasPublicationYear "2010" @default.
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