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A Study of the Factors that Affect Safe Full Heading of Machine-transplanted Rice Seedlings in the Temperate and Cool Rice-growing Areas

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  • WANG, Yunhua
  • ZHOU, Hongping
  • HE, Chenggui
  • PAN, Taofen
  • MEI, Guihua
  • HUANG, Jimei

Abstract

This paper studies the factors that affect the safe full heading of machine-transplanted rice seedlings in the temperate and cool rice-growing areas, and explores the influence of machine-transplanted rice seedling varieties, seedling age, nitrogen fertilizer application rate and management on the safe full heading of machine-transplanted rice seedlings. Results show that for the mechanized production in the temperate and cool rice-growing areas, we should select the mid-early maturity cold-resistant varieties with growth period of not exceeding 180 d, control the seedling age to be 30-35 d and total amount of pure nitrogen to be not more than 300 kg/ha, and moderately reduce the nitrogen fertilizer postponing ratio. Under this condition, we can achieve safe full heading of machine-transplanted rice seedlings and ensure the yield.

Suggested Citation

  • WANG, Yunhua & ZHOU, Hongping & HE, Chenggui & PAN, Taofen & MEI, Guihua & HUANG, Jimei, 2016. "A Study of the Factors that Affect Safe Full Heading of Machine-transplanted Rice Seedlings in the Temperate and Cool Rice-growing Areas," Asian Agricultural Research, USA-China Science and Culture Media Corporation, vol. 8(11), pages 1-3, November.
    • Handle: RePEc:ags:asagre:253346
    DOI: 10.22004/ag.econ.253346
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    Agribusiness;

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