Therefore, it is concluded that magnesium does not require special attention under no tillage. 所以，在免耕制下，不必对镁的状况给予特别的关注。
Returning to the analogy of no tillage as a sort of artificial sod, one might ask how to fertilize a sod with phosphorus. 免耕类似于人工草地情况，我们不禁会问，在草地上怎样施有磷肥的呢？
