Since the quantity of any one fertilizer influences the marginal value product of the other fertilizers, the optimal quantity of a particular fertilizer connot be chosen independently of the other fertilizers.
Since the quantity of any one fertilizer influences the marginal value product of the other fertilizers, the optimal quantity of a particular fertilizer connot be chosen independently of the other fertilizers.
由于任何一种肥料的用量均会影响其他肥料的边际产值，因此，一种肥料的最佳用量不能在不考虑其他肥料的情况下单独选定。