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- A mixture of decaying organic matter, as from leaves and manure, used to improve soil structure and provide nutrients. 堆肥腐烂有机体的混合物，如树叶或粪便，用来改善土壤结构并增加土壤养分
- The plow pan profile constitution of the "flat type" helps to improve soil structure. “平面型”犁底层剖面构造有利于改善土壤结构。
- Results show that no-tillage with straw cover (NTS) can improve soil structure property,soil organic carbon content,and soil water infiltration. 结果表明,免耕覆盖可以改善土壤结构性能,增加土壤有机碳含量,从而提高水分入渗能力。
- Arbuscular mycorrhiza (AM), the symbiont of arbuscular mycorrhizal fungi (AMF) and host plant root, has been proved to be able to improve soil structure and enhance the plant resistance to environmental stress. 丛枝菌根(AM)是丛枝菌根真菌(AMF)与植物根系相互作用的互惠共生体;能改良土壤结构;增强植物抗性.
- The macromolecule polymers take effect on improving soil structure, increasing soil penetration and controlling runoff on slope. 高分子聚合物具有改善土壤结构,增加降雨入渗,调控坡面径流的作用。
- The addition of lime to saturated clay soils (liming) is a common agricultural practice, improving soil structure by encouraging crumb formation and making heavy soils more workable. 加入石灰使其饱和是农业上常用的一种方法，通过促进小块形成改变土壤结构，使粘重土壤变得可以使用。
- a mixture of decaying organic matter,as from leaves and manure,used to improve soil structure and provide nutrients 堆肥，腐烂有机体的混合物，如树叶或粪便，用来改善土壤结构并增加土壤养分
- A mixture of decaying organic matter, as from leaves and manure, used to improve soil structure and provide nutrients 堆肥腐烂有机体的混合物，如树叶或粪便，用来改善土壤结构并增加土壤养分
- Mr. Smith gave a lesson on how to improve soil . 史密斯先生讲了一堂如何改良土壤的课。
- He gave a lesson on how to improve soil. 他讲了一堂如何改良土壤的课。
- He studied how to improve soil condition. 他研究如何改良土壤。
- Plants creating plenty of organic matter do most to improve the soil structure. 植物生产了大量的有机物，大大改善了土壤的结构。
- He studied how to improve soil conditions. 他研究怎样改善土壤条件。
- Mr. Smith gave a lesson on how to improve soil. 史密斯先生讲了一堂如何改良土壤的课。
- The deterioration of soil structure is difficult to remedy. 土壤结构的恶化很难挽回。
- Effect of application of fertilizers on soil structure in red soil. 施肥措施对红壤结构的影响。
- The professor studied how to improve soil conditions. 这位教授研究如何改良土壤状况。
- A green manure is a crop grown mainly to improve soil fertility. 种植绿肥作物主要是为使土壤更加肥沃。
- Soil structure is brown loam over red/yellow clay with underlying shale. 土壤结构为咖啡色壤土覆盖红/黄黏土，基底为页岩。
- Wow. So this stuff could help feed people and improve soil. 哇，看来这种物质能够提高产量，还能改善土壤。
