The research on crop rotation in developing countries.

发展中国家的作物轮作研究。

How to evaluate crop rotation level in large geographic area is one of the most important problems in agricultural production.

评估大地理区域内作物轮作水平是农业生产中必须解决的重要问题之一。

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

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。

Did you know? George Washington Carver, who developed hundreds of uses for peanuts, introduced the concept of crop rotation in the American South.

你知道吗？发明了花生数百种用途的乔治·华盛顿·卡弗在美国南方提出了作物轮作的概念。

A rotation of personnel; crop rotation.

员工的轮流替换；

Crop rotation is the best way to increase output.

想提高产量,最好的办法是倒茬轮作.

Crop rotation makes a balanced demand on the fertility of the soil.

轮作可以平衡对土壤的肥力要求.

As a way of land reserve, it include fallow by year, by season and crop rotation.

土地休耕是土地储备的一种方式，包括年度休耕，季节性休耕、轮作休耕等。

As a way of land reserve, it include fallow by year , by season and crop rotation.

土地休耕是土地储备的一种方式, 包括年度休耕,季节性休耕、轮作休耕等.

Organic farming is good for the environment because it uses crop rotation to reduce the buildup of pests that attack a single crop.

有机农业有利于环境，因为这种方式通过轮作减少专门袭击某一种作物的害虫的积聚。