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本文记述了淮北地区土壤干旱或涝湿程度与夏大豆生育表征的关系,提出大豆关键期土壤水分含量与大豆产量关系的数学模式以及排灌指标。
This paper describes the relationship between the extent of soil drought or waterlogging and the characterization of summer soybean in Huaibei region, and puts forward the mathematical model of the relationship between soil water content and soybean yield and the indicators of irrigation and drainage at the critical period of soybean.