中国稻米

中国稻米 ›› 2022, Vol. 28 ›› Issue (6): 122-124.DOI: 10.3969/j.issn.1006-8082.2022.06.025

• 品种与技术 • 上一篇    下一篇

不同缓控释肥对新垦水田水稻生长和产量的影响

沈兴连1(), 莫红华1, 楼玲2, 沈建国2,*(), 庞法松3   

  1. 1杭州余杭益民农业生产服务专业合作社，杭州 311107
    2杭州市余杭区农业生态与植物保护服务站，杭州 311100
    3杭州市余杭区农业技术推广中心，杭州 311100
  • 收稿日期:2022-04-01 出版日期:2022-11-20 发布日期:2022-11-17
  • 通讯作者: 沈建国
  • 作者简介:hzyhsxl@163.com

Effects of Controlled-release Fertilizers on Growth and Yield of Rice in Newly Cultivated Paddy Field

SHEN Xinglian1(), MO Honghua1, LOU Lin2, SHEN Jianguo2,*(), PANG Fasong3   

  1. 1Agricultural Production Service Professional Cooperative of Yuhang Yimin, Hangzhou 311107, China
    2Agricultural Ecology and Plant Protection Service Station in Yuhang District, Hangzhou 311100, China
    3Agricultural Technology Extension Center of Yuhang District, Hangzhou 311100, China
  • Received:2022-04-01 Online:2022-11-20 Published:2022-11-17
  • Contact: SHEN Jianguo

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摘要：

在化肥总养分减量18%的前提下，比较2种不同缓释肥在新垦水田水稻上的应用效果。结果表明，在新垦水田上施用缓控释肥对水稻产量影响不大，但可大幅提升化肥偏生产力，化肥减量效果明显。与常规施肥（施用45%三元复合肥）相比，施用缓释肥可增加水稻生长前期叶绿素含量，增加每穗实粒数，提高千粒重，弥补了有效穗数的不足，达到稳产的目标。相比较而言，有机缓释肥的施用效果较掺混肥料要好，较常规施肥增产1.1%、增效350.4元/hm2、化肥偏生产力提升23.2%。建议可将“好乐耕”有机缓释肥作为余杭地区主要水稻缓控释肥品种之一推广应用。

关键词: 水稻, 缓控释肥, 新垦水田, 产量, 化肥偏生产力

Abstract:

Under the reduction of 18% total chemical fertilizer, the effects of two different controlled-release fertilizers on the growth and yield of rice grew in newly cultivated paddy field were studied. The results showed that application of controlled-release fertilizer could significantly reduce the amount of chemical fertilizer without affecting the yield, and increase the partial productivity of fertilizers. Compared with conventional fertilizer, controlled-release fertilizers increased leaf chlorophyll value in the early stage of rice growth, and increased the number of grains per panicle and grain weight to make up for the lack of effective panicles. In the two controlled-release fertilizers, the effect of organic controlled-release fertilizer was better, its yield, efficiency and partial productivity of fertilizer were increased by 1.1%, 350.4 yuan/hm2, and 23.2% compared with conventional fertilizer, respectively. It is suggested that “Holegeng” organic slow-release fertilizer can be popularized and applied as one of the main rice slow-release fertilizer in Yuhang district.

Key words: rice, controlled-release fertilizer, newly cultivated paddy, yield, partial productivity of fertilizer

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