In permanently cultivated (usually lowland) areas, fires are used to burn crop residues and get the land ready for the upcoming growing season.

在长期从事耕作的地区（底海拔地区），人们用火把农作物残渣烧掉，清理出土地为下一个生长季节做好准备。

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Maize, as a high-efficient crop of high yield for the grain and feed, the cultivated area in the future should be further expanded.

玉米作为粮食和饲料兼用的高产高效作物，今后的种植面积应进一步扩大。

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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。

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Unemployment has cultivated a new crop of business owners.

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The first successful commercial crop was cultivated in Virginia in 1612 by Englishman John Rolfe.

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Until recently, drug addiction in Vietnam was usually associated with ethnic minorities in the highlands, who have been traditional smokers of opium and have long cultivated it as an important cash crop.

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