为了完善作物形态结构动态模型建立的方法，在基于生长方程理论建模的基础上，提出了可控式模型的建立方法。
To improve methods on crop structure dynamic model, the paper put towards controllable structure model on the base of growth function.
陡峭而贫瘠的山坡景色限定了农作物只能以绵延的形态种植。
A vertical and arid hillside landscape defines a long stretch of crops.
随着营养液中氮素形态比例的不同，作物吸收的氮素营养亦会发生明显改变。
The nitrogen nutrition absorbed by rice change apparently with different proportion of different nitrogen form in the water culture.
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