crop rotation
常見例句
- Her results show that reducing emissions is more complicated than just cutting back on nitrogen fertilizers and changing crop rotation cycles.
她的研究結(jié)果表明，減少排放要比只是減少氮肥的使用和改變作物輪作周期復(fù)雜得多。 - 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.
不管應(yīng)用哪種耕作法或者作物輪作制度，在春雪融化時，也即太陽光開始把土壤烘暖時，一氧化二氮的排放量總是達(dá)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”.
他們敦促，“無論何時何地，只要條件許可，應(yīng)迅速向以最低限度干擾土壤，增加土壤覆被和適當(dāng)?shù)淖魑镙喿鳛榛A(chǔ)的管理系統(tǒng)轉(zhuǎn)變”。 - 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