According to the agricultural theory in this paper, a kind of novel fertilizer sowing mechanism with the stratification and heft had been designed, and it acquired good effect in productive practice.

文章依据农学原理设计了一种新式的分层分量施肥装置并在生产实践中取得了良好效果。

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Tactics and suggestion in the article is pertinence and effectiveness by my gains and experience in the chemical fertilizer marketing practice.

本文中的策略和建议，是本人在化肥营销实践中的心得和体会，更具针对性和可操作性。

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Practice shows that a new-type fertilizer which is made out of aluminiferous phosphate rocks is characteristic not only of considerable fertilizer effect but of higher anti-drought ability.

实践证明，用磷铝质岩加工制成的新肥，不仅肥效显著，更有巨大的抗旱能力。

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