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

Author

Yunhua Wang, Hongping Zhou, Chenggui He, Taofen Pan, Guihua Mei and Jimei Huang

Asian Agricultural Research, 2016, vol. 08, issue 11

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.

Keywords: Rice; Machine-transplanted rice seedlings; Safe full heading; Influencing factors; Agribusiness (search for similar items in EconPapers)
Date: 2016
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