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1.Influence of nitrogen on competition between three weed species and bird rape
氮肥用量对三种杂草与油菜间竞争关系的影响收藏指正
2.1. The physiological and biochemical mechanisms and effects of competition between Bristlegrass and Crofton weedA multiple de Wit replacement series was used between Crofton weed and Bristlegrass.
表明紫茎泽兰经受的种间竞争大于种内竞争，而狗尾草经历的种内竞争大于种间竞争。 狗尾草和紫茎泽兰混种时的相对产量总和(RYT)在所有密度、比例组合时都与1.0差异不显著，这表明狗尾草和紫茎泽兰的生长需求相同的资源；收藏指正
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