New laws were passed immediately that achieved the same result of resting soil and providing flood-control measures, but which were based on the principle of soilconservation.
新的法律立即通过,达到了同样的结果,使土壤留下来和提供防洪措施,但这是基于土壤保护的原则。
2
One method of soilconservation is the use of windbreaks.
其中一种土壤保护的方法就是使用防风林。
3
Soilconservation methods help farmers protect their land from the damage caused by farming and the forces of nature.