Elephant grass and Imperial grass were selected to study the properties of root space distribution and nutrient uptake.
研究两种禾本科牧草根系空间变异及养分吸收特性。
It is in close relation to culture root, space and social cultural environment.
其原因与文化根植、空间因素及社会文化环境因素关系密切。
It is in close relation to culture root, space and social cultural environment.
其原因与文化根植、空间因素及社会文化环境因素关系密切。
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