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。
2
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。
3
Biennial yellow-flowered Eurasian plant having aromatic leaves used as carminative or flavoring agent; widely cultivated especially as green manure or cover crop.