crop rotation

常見(jiàn)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”。

There is rarely crop rotation and soils are depleted after years of grain crops.
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Organic methods, which rely on crop rotation, manure and compost in place of fertiliser, are far less intensive.
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The other is that monoculture and less crop rotation risks exhausting the soil.
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