Accumulation of N,P,K and Their Effects on Sugarcane Yield and QualityChinese Full Text

GUO Jia-wen,ZHANG Yue-bin,CUI Xiong-wei,LIU Shao-chun,DAO Jing-mei,FAN Xian(Sugarcane Research Institute,Yunnan Academy of Agricultural Sciences,Key Laboratory of Sugarcane Genetic Improvement of Yunnan Province,Kaiyuan,Yunan 661600,China)

Abstract: Four levels of nitrogen（N: 0,150,300,450 kg/hm2）,phosphorus（P: 0,75,150,225 kg/hm2） and potassium（K: 0,150,300,450 kg/hm2） were fertilized to sugarcane fields in order to study N,P and K accumulation in sugarcane plant and their influence on sugarcane yield and quality.The results indicated that sugarcane yield significantly increased with the increase of K,while did not influenced obviously by N and P levels.Sugar yield increased significantly with the increases of P and K levels,but did not influenced by N level.Sugar content did not change directly with the levels of N,P and K.The nutrient components in plant increased with the increase of N,P and K levels,the accumulation of N,P and K in sugarcane were in order of stalk＞tip of plant＞dull leaf for N and P while in order of tip of plant＞stalk＞dull leaf for K.

Keywords：

Sugarcane; N; P; K; Nutrient accumulation; Yield; Quality;

DOI：
10.13758/j.cnki.tr.2012.06.025
Series：
Subject：
Classification Code：
S566.1

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Accumulation of N,P,K and Their Effects on Sugarcane Yield and QualityChinese Full Text

GUO Jia-wen,ZHANG Yue-bin,CUI Xiong-wei,LIU Shao-chun,DAO Jing-mei,FAN Xian(Sugarcane Research Institute,Yunnan Academy of Agricultural Sciences,Key Laboratory of Sugarcane Genetic Improvement of Yunnan Province,Kaiyuan,Yunan 661600,China)

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