降低烤烟上部叶烟碱含量的综合措施
CULTURE WITH PLANTING（2004）
Abstract
提出了降低烤烟上部叶烟碱含量的综合农艺措施:选择适宜的植烟土壤;合理施用氮肥;调整种植密度与移栽 期;适时揭膜;推迟打顶;增加留叶数;上部叶集中采收;以水调肥等.
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