欢迎访问《中国农学通报》,

中国农学通报 ›› 2018, Vol. 34 ›› Issue (4): 21-26.doi: 10.11924/j.issn.1000-6850.casb17010032

所属专题: 水稻

• 农学 农业基础科学 • 上一篇    下一篇

基施有机肥替代无机氮肥分蘖肥后移对水稻产量及生长的影响

李波,刘建,魏亚凤,薛亚光,潘宝国   

  1. 江苏沿江地区农业科学研究所,江苏沿江地区农业科学研究所,江苏沿江地区农业科学研究所,江苏沿江地区农业科学研究所,江苏沿江地区农业科学研究所
  • 收稿日期:2017-01-09 修回日期:2018-01-30 接受日期:2017-03-24 出版日期:2018-02-26 发布日期:2018-02-26
  • 通讯作者: 魏亚凤
  • 基金资助:
    “十二五”国家科技支撑计划项目“长江三角洲集约农区循环技术集成与示范”(2012BAD14B12);“南通市循环农业重点实验室” (CP12015003)。

Effect of Basal Application of Organic Fertilizer Replacing Inorganic N Tillering Fertilizer Retroposition on Rice Yield and Growth

刘建,魏亚凤, and   

  • Received:2017-01-09 Revised:2018-01-30 Accepted:2017-03-24 Online:2018-02-26 Published:2018-02-26

摘要: 为研究有机肥替代无机N肥的有效途径,以主推粳稻品种“南粳5055”为材料,利用小区试验研究基施有机肥替代无机N肥分蘖肥后移对水稻产量及生长的影响。结果表明:基肥不施无机氮肥或者施用有机肥替代无机N肥高峰苗数会增加,会推迟高峰苗出现时间。有机肥替代无机N肥使抽穗期剑叶、倒2叶、倒3叶叶基角变小,倒3叶叶长增加,延缓抽穗后顶三叶叶绿素含量的下降速度,通过增加有效穗数、千粒重实现增产,对水稻农艺性状影响不大,主要影响是株高。

关键词: 盐碱土, 盐碱土, 种子, 出苗时间, 出苗率

Abstract: To study the effective substitution of inorganic fertilizer N, rice variety‘Nanjing 5055’was used as material, a plot experiment was conducted to study the effect of basal application of organic fertilizer replacing inorganic N tillering fertilizer retroposition on rice yield and growth. The results showed that without basal application of inorganic N fertilizer or having organic fertilizer replacing inorganic N fertilizer could increase seedling number in peak time, and the peak seedling emergence time would delay. The replacement could decrease leaf basal angle of flag leaves, top second leaf and top third leaf in heading stage, increase the leaf length of top third leaf, and delay the declining rate of chlorophyll content after heading. The treatment could increase yield by increasing productive ear number and thousand seed weight, but it had little effect on agronomic traits, except plant height.

中图分类号: