Crop rotation helps prevent soil erosion.
农作物轮作有助于防止水土流失。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
Pest diseases can cause significant losses to crops and affect food production. Farmers need to take effective measures to prevent and control pest diseases, such as crop rotation, biological control, and the use of resistant varieties.
害虫病害会对物造成重大损失,影响粮食生产。
民需采取有效措施预防和控制害虫病害,如
、生物防治及使用抗病品种。
The population was made up of plain farmers and their families engaged in severe and unbroken labor, chopping down trees, draining fever-breeding swamps, breaking new ground, and planting from year to year the same rotation of crops.
人口由平原民和
们的家庭组成,
们从事艰苦而不间断的劳动, 砍伐树木,排干热病沼泽, 开辟新土地,并每年
相同的
物。