Four specific activities have been identified as major contributors to the desertification processes: over-cultivation, overgrazing, firewood gathering, and over-irrigation.

四项具体活动已被确定为对荒漠化的主要导致的过程：过度农垦，过度放牧，薪柴采集和过度灌溉。

youdao

If I were to live my life over again, I would pay more attention to the cultivation of the memory.

假如我现在能重新开始我的生命，我就要更注意记忆力的培养。

youdao

Over-exploited water resources, deforestation and inappropriate cultivation of grasslands have dried up lakes and eroded soil.

水资源被过度取用，森林被过度砍伐，大草原被不当地耕作，已经造成湖泊干枯、水土流失。

youdao

As in most central African countries, Congo's deforestation is currently minor, caused largely by small-scale shifting cultivation and over-harvesting of wood for fuel.

ECONOMIST: Seeing the wood

In Brazil Renuka has control over cane as it can undertake sugarcane cultivation-- Equipav owns 272, 000 acres (110, 000 hectares) of sugarcane plantations.

FORBES: Magazine Article