我们根据土粒的大小来分析土壤，而且，土粒的大小在很大程度上决定着土地的耕作方式、农作物的轮作和种植的作物的种类。

We analyse soils according to the size of the particles and the size of the particles determines to a great degree the different tillages crop rotation and different crops to be grown on the soil.

youdao

我们根据土粒的大小来分析土壤，而且，土粒的大小在很大程度上决定着土地的耕作方式，农作物的轮作和种植的作物的种类。

We analyse soils according to the size of the particles and the size of the particles determines to a great degree the different tillages crop rotation and different crops to be grown on the soil.

youdao

她的研究结果表明，减少排放要比只是减少氮肥的使用和改变作物轮作周期复杂得多。

Her results show that reducing emissions is more complicated than just cutting back on nitrogen fertilizers and changing crop rotation cycles.

youdao

So, you have varied crops, among them.

然后,你更换不同的作物,在土地上轮作

耶鲁公开课 - 古希腊历史简介课程节选