常見(jiàn)例句雙語(yǔ)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(shí)，也即太陽(yáng)光開(kāi)始把土壤烘暖時(shí)，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(wú)論何時(shí)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”。原聲例句He says the soil is worn out, partially due to poor crop rotation.權(quán)威例句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 foodThe other is that monoculture and less crop rotation risks exhausting the soil.ECONOMIST: Pros and cons of the soya boom 返回 crop rotation