Effects of Different Nitrogen Levels on Growth and Nitrogen Utilization of Sugarcane

查看全文 作　　者：Jiayu [1]PENG;Huiping [1]QU;Jinsheng [1]HUANG;Liuqiang [1]ZHOU;Rulin [1]XIE;Xiaohui [1]ZHU;Yan [1]ZENG;Hongwei [1]TAN

机构地区：[1]Institute of Agricultural Resources and Environment, Guangxi Academy of Agricultural Sciences, Nanning 530007, China

出　　处：《Asian Agricultural Research》索引2022年第14卷第4期,共5页

基　　金：Guangxi Key R&D Program(GuiKe AB18221027);Guangxi Natural Science Foundation(2018GXNSFAA281027);Basic Scientific Research Program of Guangxi Academy of Agricultural Sciences(2020YM110,2021YT036). 摘　　要：[Objectives]To systematically study the effects of different nitrogen levels on the growth and nitrogen utilization of sugarcane in Guangxi.[Methods]Through field experiment and indoor analysis,different nitrogen application levels were set up to determine soil nitrogen content and sugarcane nitrogen content.The effects of different nitrogen levels on sugarcane yield,agronomic characters and nitrogen utilization were studied.[Results]The effect of nitrogen application rate on sugarcane yield showed a quadratic curve,and nitrogen application could significantly increase sugarcane yield,and the sugarcane yield reached the maximum when the nitrogen application rate reached 714 kg/ha.[Conclusions]With the increase of nitrogen application rate,sugarcane yield increased,but when it exceeded a certain range,the sugarcane yield decreased significantly. 关键词：Nitrogen application rate Nutrient utilization efficiency YIELD SUGARCANE

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Effects of Different Nitrogen Levels on Growth and Nitrogen Utilization of Sugarcane

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