Research Progress of Cultivation Techniques in Late Sowing Rapeseed After Rice Stubble
The planting area of rice stubble rapeseed in China is mainly in the winter rapeseed area of the Yangtze River Basin.In recent years,the yield of rice stubble rapeseed has been continuously increasing,and the planting area has also steadily improved,making important contributions to the safety of oil crops in China.However,with the promotion and application of light and simplified cultivation techniques for mid to late maturing rice varieties in the winter rapeseed area of the Yangtze River Basin,the maturity period of rice has been significantly delayed,leading to further compression of the pre winter growth time of rapeseed.The area of late sowing and over late sowing of rapeseed has been increasing year by year,which seriously restricted the production potential of rapeseed.The phenomenon of late sowing of rapeseed in the rice oil dual cropping areas of the Yangtze River Basin is particularly prominent,and has become a widespread concern for many scholars.This article aims to identify important issues in late sowing rapeseed production by analyzing the current situation of late sowing rapeseed and related high-yield limiting factors.Through the analysis of the current situation of late sowing,we aim to improve the quality and yield of rapeseed in rice oil rotation areas.The use of advanced cultivation techniques can reduce the impact of late sowing of rapeseed,and provide theoretical reference for promoting the vigorous development of the future rapeseed industry.
rice stubble rapeseedlate broadcastinghigh yield cultivationgrowth before winterfertilization amount
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