您要查找的是不是:
- European vetch much cultivated as forage and cover crops. 欧洲的一种野豌豆,通常被用来制草料和覆盖作物。
- Conservation cultivation in winter, such as cover crops and non-tillage, can increase water content of soil, suppress soil erosion, and scavenge soil residual nitrogen. 摘要冬季种植覆盖作物结合免耕法构成的保护性耕作法,在冬春季土壤休闲时期可提高土壤含水率,抑制土壤风蚀,回收土壤残留氮素;
- Cover crop: a crop, such as winter rye or clover, planted between periods of regular crop production to prevent soil erosion and provide humus or nitrogen. 间作在常规农作物生长间期内种植的农作物,比如冬麦或三叶草,以预防土壤侵蚀并能提供腐殖质和氮。
- These plants are referred to as cover crops plant life of an area. 这些植物作为植被,被提及到。
- week-stemmed winter annual native to Mediterranean region for long established in southern United States; cultivated as a cover and pasture crop 茎细弱并常外倾地面上而枝端向上、冬季结荚果的一种豆;原产于地中海地区,但作为一个归化种而在美国南部长期栽种,最近又作为覆盖作物和牧草而栽培
- Maximum cover period for Annual Cover is 90 days for each trip, with no limit on the frequency of travel throughout the year. 全年旅游保障每程最长保障期为90天,但全年旅游次数不限。
- week-stemmed winter annual native to Mediterranean region for long established in southern United States; cultivated as a cover and pasture crop. 茎细弱并常外倾地面上而枝端向上、冬季结荚果的一种豆;原产于地中海地区,但作为一个归化种而在美国南部长期栽种,最近又作为覆盖作物和牧草而栽培。
- Description : Alfa-Alfa integrated in the no-till system. As the crop remains in place during 3-4 years, various cover crops are intercropped o keep enough residue cover. EPAGRI. 免耕种植的紫花苜蓿作物残茬可以在田里保持3-4年,不同作物间作提供了足够的残茬覆盖。
- We have also planted a permanent native cover crop between vineyard rows along with our traditional cover crop blends. 我们也设置了暂时的天然遮蔽物在葡萄园的行列之间沿著传统遮蔽物。
- classification for winter annual 冬性一年生植物分类
- Organic farms, the researchers said, gradually improve the soil by letting organic matter accumulate through the use of cover crops, compost and manure. 有机农场,研究者说,逐步改良土壤,让有机质积累,通过使用复盖作物,堆肥和粪肥。
- Organic matter is invaluable as an addition to any soil, whether applied as manure, as a cover crop, or as a soil - improving crop. 有机物施加于任何土壤都是很宝贵的,不管施加的是厩肥、覆盖作物或是改土作物。
- Cover crop; nurse crop A companion crop grown to protect some other crop sown with it, as small grain is sometimes seeded with clover. 护田作物;遮盖作物一种用同其它作物一起播种的作物,用来保护其它作物。例如三叶草有时和一些小粮食作物一起播种。
- Phytotoxicity: Non-phytotoxic to soya beans and to other crops such as beans of the genus Phaseolus and the leguminous cover crops Pueraria and Calapogonium. 药液在土壤里被根部吸收也能发挥杀草作用,而大豆吸收药剂后能迅速降解。
- Description : Pigeon pea: cover crop suited to human and animal nutrition, pest and disease control, N fixation and P disponibility. 豌豆是人类和动物的营养物,作为覆盖作物有效控制病虫害,固定氮素。
- For example, farmers could increase the amount of carbon stored in soil by planting more cover crops, like legumes, that protect and enrich soil between harvests. 例如,农民可以种更多的覆盖性的植物来增加土地中碳含量,如豆类植物,在收割时可以保护并丰富土地。
- Any of several tick trefoils, especially Desmodium tortuosum or D. purpureum, grown for forage or as a cover crop in subtropical and tropical regions. 山马蝗,扭荚山绿豆:几种山马蝗之一,尤指南美山马蝗或红紫山马蝗,用作草料或亚热带、热带地区的期间作物
- annual or winter annual grass with softly hairy leaves of the Mediterranean. 地中海地区一年生或冬性一年生草,叶子有软毛。
- I worked closely with Sutter Home on an experimental program where we planted cover crops between the rows of vines with beneficial plantings that would attract certain insects. 我同萨特家庭密切合作,在试验计划,使我们之间的覆盖种植与种植,将有利于吸引某些昆虫葡萄行作物。
- His anorak has stood him in good stead this winter. 他这件带兜帽的夹克在今年冬天对他很有用。