Because of this, the above methods except MADAC are not necessary to be used in estimating the phosphorus content in samples from soil, pasture and livestock products in grassland ecology system.
因此可统一使用钼锑抗比色法测定草原生态系统土草畜样品中的磷含量。
To study the mechanism of system contrary and the mode of optimum coupling is one of the key research directions in the field of grassland agricultural ecology.
系统相悖机理和优化耦合模式的研究是草地农业生态学今后研究的重点方向之一。
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