杂交早稻需肥特性和施肥技术研究

作物学报 ›› 1982, Vol. 8 ›› Issue (01): 23-32.

杂交早稻需肥特性和施肥技术研究

肖恕贤; 覃步生; 陈盛球; 李成国; 韦锦秀

广西柳州地区农科所

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1982-03-12 网络出版日期:1982-03-12

STUDIES ON THE CHARACTERISTICS OF FERTILIZER REQUIREMENT OF HYBRID RICE AND THE APPLICATION TECHNIQUE

Xiao Shuxian; Qin Busheng; Chen shengqiu; Li Chengguo; Wei Jinxiu

Institute of Agricultural Sciences of Liuzhou District; Guangxi Zhuang Autonomous Region

Received:1900-01-01 Revised:1900-01-01 Published:1982-03-12 Published online:1982-03-12

摘要/Abstract

摘要： 本文指出:(1)杂交稻亩产千斤,需要的氮磷钾营养均比常规稻多。由幼穗分化到孕穗期,是杂交水稻一生中吸收养分最多的时期,占总量的50%以上,抽穗后吸收养分已达90%,此后只有谷穗尚需吸收氮和磷,茎秆吸收钾,其它部位均达顶点。生育后期物质转移明显。(2)肥田亩施纯氮15斤,亩产可接近千斤,随着用量增加,增产效益明显下降。相关分

肖恕贤; 覃步生; 陈盛球; 李成国; 韦锦秀. 杂交早稻需肥特性和施肥技术研究[J]. 作物学报, 1982, 8(01): 23-32.

Xiao Shuxian; Qin Busheng; Chen shengqiu; Li Chengguo; Wei Jinxiu. STUDIES ON THE CHARACTERISTICS OF FERTILIZER REQUIREMENT OF HYBRID RICE AND THE APPLICATION TECHNIQUE[J]. Acta Agron Sin, 1982, 8(01): 23-32.

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