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1·Carbon fixation in every cover crop treatment is higher than that of winter fallow cropland.

黑麦草的碳蓄积量显著高于紫云英和油菜，各覆盖作物处理碳蓄积量均显著高于冬闲田。

2·If possible, in the year before you plant potatoes, plant a cover crop to improve the soil and the potato production.

如有可能，可在种土豆的前一年种上农作物，以改善土质，从而提高土豆产量。

3·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。

4·Other organic tactics for boosting soil quality include cover crops (aka green manure), crop rotation and composting.

其他增大土壤肥力的策略包括作物肥田(亦作“绿肥”)、轮种和堆肥。

5·In 1962, Stylosanthes was firstly introduced to Hainan of China as a cover crop in rubber tree plantation from Malaysia.

我国于1962年首次从马来西亚引种柱花草到海南岛，作为橡胶园的覆盖作物。

6·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。

7·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。

8·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。

9·Biennial yellow-flowered Eurasian plant having aromatic leaves used as carminative or flavoring agent; widely cultivated especially as green manure or cover crop.

两年生欧亚植物，花黄色，其叶芳香，用做祛风剂或调味品；广泛栽培，尤其作绿肥或覆盖作物。

10·Resembling a work of modern art, variegated green crop circles cover what was once shortgrass prairie in south-western Kansas.

在堪萨斯州的西南部，曾经的短草牧场因为被圆形的饲料作物田地点缀而变得斑驳起来，整张图片宛如一幅美妙的现代艺术作品。