论文部分内容阅读
研究表明：皖北地区的光热资源条件种一季烤烟有余，烟后种一季后作不足或很紧张，如果“打好时间差”，在烤烟成熟后期套种一季玉米或甘薯，将使烟与后作相得益彰。实行烟地套作，烟与后作的共生期容许阈值在４０天左右。
The research shows that the conditions of light and heat resource in northern Anhui are more than one season of flue-cured tobacco, and the deficiencies or tensions after one season of tobacco production are inadequate or “tense.” If a single season of corn or sweet potato is interplanted in the late maturing stage of flue-cured tobacco, Complement each other. The implementation of tobacco land, smoke and after the symbiotic allowable threshold of about 40 days.