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[目的]探讨整秆深还对耐密玉米植株根系生长性状影响规律,揭示产量提高原因,筛选最佳整秆深还用量。[方法]采取随机区组设计,整秆深还用量5个处理分别测量根系生长情况和产量。[结果]整秆深还处理耐密玉米促根系干物积累和根系性状值增加,根系生长环境得到改善,耐密玉米的产量增加。[结论]整秆深还处理可快速提高耐密玉米产量,增加农民收益。
[Objective] The research aimed to discuss the rule that the whole stalks have influence on the root growth of tight-milled maize plants, revealing the reasons for the increase of yield and screening the best dosage of the whole stalks. [Method] Randomized block design was adopted. The whole plant was also treated with 5 treatments to measure the root growth and yield respectively. [Result] The dry matter accumulation of root system and root traits of whole density deep treatment also increased, the root growth environment improved, and the yield of tolerant maize increased. [Conclusion] Whole deep processing could rapidly increase the yield of tolerant maize and increase farmers’ income.