1·He grew a different crop on the same field five years in a row, what researchers call crop rotation.
他连续5年在同一块地上轮流种植不同作物，研究人员称之为轮作。
—— 《柯林斯英汉双解大词典》
2·Equally crucial is lower-tech research into basics such as crop rotation and mixed farming of animals and plants on small farms.
同样重要的是，开展对基础知识的低端技术研究，如庄稼轮作，在小型农场中发展动植物混养。
3·Our objective was to explore why Sesamum indicum yield declined severely when planted after Rehmannia glutinosa in crop rotation.
我们的目的是探索为什么在熟地黄轮作中种植地黄后，芝麻的收成会急剧下降。
4·A rotation of personnel; crop rotation.
员工的轮流替换；
5·Crop rotation helps prevent soil erosion.
农作物轮作有助于防止水土流失。
6·Crop rotation is the best way to increase output.
想提高产量，最好的办法是倒茬轮作。
7·We'd sing songs about crop rotation and vomiting babies, and we'd sit down at rock concerts.
所有的情歌都会消失，我们会唱关于农作物季节变迁和呕出婴儿，我们都在石头上在听演唱会。
8·Sugar cane and rice, sweet potatoes, beans or jute, crop rotation, can greatly reduce suffer.
甘蔗和水稻，甘薯，豆类或黄麻等作物轮作，可以大大减轻受害。
9·After several years of crop rotation, the land became infertile and needed to be supplemented with organic matter.
土地经过多年轮种变的贫瘠，需要补充有机质。
10·Recently, with change of crop rotation and climate, wheat Scab was extended and aggravated among the areas in China.
近年来，随着轮作制度的改变和气候的变迁，我国部分小麦产区赤霉病呈蔓延加重趋势。
1·He grew a different crop on the same field five years in a row, what researchers call crop rotation.
他连续5年在同一块地上轮流种植不同作物，研究人员称之为轮作。
—— 《柯林斯英汉双解大词典》
2·The second most common crop, soybeans, yields a lower return but crop rotation is necessary to keep the soil in shape for bounteous corn yields.
其次最常见的农作物，大豆，回报低，但轮作是必要的用以保证土壤能够拥有宽裕的玉米产量。
3·Crop rotation is a simple and effective technique used in organic agriculture to reduce the need for pesticides and improve soil fertility.
轮作是应用于有机农业上的一种简单而有效的技术，能减少农药的使用和提高土壤肥力。
4·Using traditional techniques such as crop rotation, compost and manure to supply the soil with nitrogen and other minerals would have required a tripling of the area under cultivation.
如果采用传统技术如轮作和堆肥为土壤补充氮和其他物质，就需要耕地也增长三倍了。
5·Crop rotation: the successive planting of different crops on the same land to improve soil fertility and help control insects and diseases.
轮作：在同一块土地上连续种植不同的作物以提高土壤肥力并帮助控制昆虫的生长和疾病的蔓延。