...性的研究 - docin.com豆丁网 果的方法是 1987 年Chou 和Talady 提出的median-effect methord 联合作用指数(combination index,CI)的计算。CI = (Dxa + Dxb) / (Da + Db) + DxaDxb / DaDb。
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“植被指数”是对光合作用强度的反映。
在植被茂密,有着大量光合作用树叶的地区,该指数较高;
The index is high in areas where plants are dense, with plenty of photosynthesizing leaves.
铁、硼和钼肥能够促进牧草分蘖,提高叶面积指数和提高与杂草的竞争力,有利于牧草的光合作用和提高牧草质量。
Fe, b, mo fertilizer could promote forage tillering, enlarge LAI and strengthen competition ability with weeds, which favored photosynthesis and forage quality improvement.
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