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。
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。
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 ef...
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