Leaf area index (LAI) is an essential parameter for monitoring crop growth dynamic.

叶面积指数(LAI)是估算作物生长的关键参数。

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Rules of the dynamic accumulation of both index constituents in different climate zones and different growth periods and different locations are investigated.

研究了不同气候带板蓝根、大青叶有效成分合成积累动态规律、生长积累动态规律和不同产地板蓝根、大青叶有效成分含量差异性。

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