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汉语拼音：lún zuò

在一块田地上依次轮换种植几种作物。轮作可以改善土壤肥力，减少病害。也叫倒茬（dǎochá）或调茬（diàochá）。

1. 也称轮种、轮栽。耕作制度的主要组成部分。在一定年限内，同一块土地上按预定的顺序，轮换种植不同的作物。合理的轮作，可以恢复和提高土地肥力，防除病、虫、杂草，提高农作物的产量和品质。

• Farmers rotate their crops so that the soil will remain fertile.

  为保持土壤肥力,农民搞作物轮作.

• Crop rotation helps prevent soil erosion.

  农作物轮作有助于防止水土流失.

• He grew a different crop on the same field five years in a row, what researchers call crop rotation.

  他连续5年在同一块地里种植不同的作物，研究人员称之为轮作。

• Farmers traditionally used long - term rotations of hay, pasture, and corn.

  农民以往 长期 实行干草 、 牧草和玉米轮作.

• The numbers of earthworms changed according to the phase of the rotation.

  蚯蚓的数量因轮作状况而有改变.

• Most of it has been retained in alternate husbandry.

  其中大部分成为轮作草地.

• Pasture, both temporary and permanent, is a relatively cheap source of nutrients.

  无论永久草场, 还是轮作草场, 都是比较廉价的营养资源.

• 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.

• Spontaneous fallow vegetation can also be counted as a crop rotation element.

  自然生长的休耕植被也可以当成一种轮作植物.

• Crop rotations with legumes help maintain fertility and soil microbiology.

  与豆类轮作可以保持土壤的肥力和微生态.

• The soil fertility shows a decrease trend in cornea rotation.

  玉米、大豆轮作,土壤养分均呈下降趋势.

• The soil fertility shows a decrease trend in cornpea rotation.

  玉米、豆轮作,土壤养分均呈下降趋势.

• Crop rotation is the best way to increase output.

  想提高产量,最好的办法是倒茬轮作.

• Rotation farming requires soil culture twice a year.

  轮作需要一年耕种两次.

• Most farmers alternate their crops.

  多数农民实行轮作.