crop rotation
常见例句
- 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。 - And no matter which tillage or crop rotation system was used, nitrous oxide emissions peaked during spring thaws when the sun’s rays began to warm the soil.
不管应用哪种耕作法或者作物轮作制度，在春雪融化时，也即太阳光开始把土壤烘暖时，一氧化二氮的排放量总是达到高潮。 - They urged “a rapid shift, whenever and wherever conditions permit it, to management systems based on minimal soil disturbance, increased soil cover, and appropriate crop rotation”.
他们敦促，“无论何时何地，只要条件许可，应迅速向以最低限度干扰土壤，增加土壤覆被和适当的作物轮作为基础的管理系统转变”。 - He says the soil is worn out, partially due to poor crop rotation.
- There is rarely crop rotation and soils are depleted after years of grain crops.
FORBES: Greenpeace Hysteria Campaign Scares Chinese into Retreat on Nutrition-Enhancing GMO 'Golden Rice' - Organic methods, which rely on crop rotation, manure and compost in place of fertiliser, are far less intensive.
ECONOMIST: Ethical food - The other is that monoculture and less crop rotation risks exhausting the soil.
ECONOMIST: Pros and cons of the soya boom 返回 crop rotation