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- Denitrification, on the other hand, can be very serious with a combination of no tillage and imperfectly drained soils. 硝态氮的淋失虽然在免耕制下稍高一些,但在夏季作物上,一般不是氮损失的主要途径。
- Forests have given place to tillage and pasture. 原先的森林已被耕地和牧场所取代。
- Cultivation situation, problem and countermeasures of Chinese rapes with no tillage and direct sowing 中国油菜免耕直播栽培现状、问题及对策分析
- Plot test of no tillage and seedling -broadcast cultivation of rice with different leaf age 免耕稻不同叶龄抛栽小区试验研究
- Add also the radish and cover with lid. 可同时放入日本萝卜,并盖上锅盖。
- Kit includes: Seat, Retainer Wire and Cover O-ring. 组件包括:阀座,固定器线圈和阀盖O形环。
- Send us a resume and cover letter. 将简历装入信封发送给我们。
- Turn the cake upside down and cover it with cream. 把蛋糕翻过来抹上奶油。
- No tillage and direct seeding 免耕直播
- Disinfect and cover all wounds properly. 如有伤口,须妥善消毒和包扎。
- You need to stay behind and cover for us. 你们得殿后掩护我们。
- No. 5 is weak in break and cover. 5号的突破和防守能力都差。
- Kit includes: Disc and Cover O-ring. 组件包括:阀瓣和阀盖O形环。
- Therefore, it is concluded that magnesium does not require special attention under no tillage. 所以,在免耕制下,不必对镁的状况给予特别的关注。
- Nitrate leaching, although slightly higher under no tillage, is generally not a major pathway of loss in summer crops. 实施免耕的初期,氮的生物固定明显,但随着时间的推延,这种作用逐渐消失,以至到了后期,与初期的情况正好相反。
- Set in a bowl and cover with cloth. 放入碗中用布遮盖。
- Typically, magnesium levels in soils under no tillage do not change materially from those under conventional tillage. 免耕和传统耕作制相比,土壤中镁的含量没有实质的变化。
- She is very good at break and cover. 她的突破和防守能力都很强。
- Kit consists of: Check assembly and Cover O-ring. 止回阀总成和阀盖O形环。
- Application of phosphorus fertilizer to no tillage cropping systems appears to be complicated by the fact that it cannot be incorporated. 免耕耕作制下磷肥的施用似乎很复杂,因为此时无法将磷肥和土壤掺混。
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