The function of binary quadric fertilizer effect has been extensively used in China to determine the optimum economy fertilizing quantity.
针对目前国内利用二元二次肥料效应函数确定最佳经济施肥量的数学方法存在的问题。
The function of binary quadric fertilizer effect has been extensively used in China to determine the optimum economy fertilizing quantity.
针对目前国内利用二元二次肥料效应函数确定最佳经济施肥量的数学方法存在的问题。
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