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《Journal of Anhui Agricultural Sciences》 2006-19
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Effects of Combined Application of Nitrogen and Potassium on Wheat Yield

WU Ji et al (Soil and Fertilizer Institute,Anhui Academy of Agriculture Sciences,Hefei,Anhui 230031)  
The results of potted experiments indicated that combined application of N and K at an appropriate rate could improve wheat grain yield significantly by 61.3%~110.9% due to notable enhancement of spike number of wheat,plant height,spike length.grains per spike and 1000-grain weight.Under the experimental condition,at the N fertilizer usage of 1.4 g/pot and K fertilizer usage of 1.0 g/pot(N∶K=1.4∶1),wheat accessed to maximum yield.There was significant positive interaction between N and K on wheat grain yield.
【CateGory Index】: S512.1
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