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。
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。
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。
Are several crops cultivated during this year's cropping season on the same field? If yes, please indicate which is the first and which is the second crop.
今年的种植季期间同一地块上是否种植多种作物？如果是，请指出第一作物、第二作物分别是什么。
The relationship between nitrate fertilizer application and cultivated conditions such as soil fertility, preceding crop, plant density and irrigation etc.
本文对马铃薯经济施肥量与土壤、前作、密度、灌溉等栽培条件的关系进行了定量研究。
It showed that the related knowledge of the application of computer plotting in the study of crop cultivated science and stated some software about computer plotting.
本文初步介绍了在作物栽培学研究领域里应用计算机绘图的一般知识，并推荐了几个目前适用于作物载培学研究工作者使用的绘图软件。
Developing a new variety that could be cultivated in the United States would reduce American dependence on foreign products while creating a new alternative crop for American farmers.
开发出一种能够在美国栽培的新品种将减少美国对外来产品的依赖性，而且也会提供给美国农民一种新的可选择性作物。
Being the uppermost productive material and the most direct object for farmers, cultivated land is one of the basic factors consisting of the comprehensive ability of crop production.
耕地作为农业最主要的生产资料和农民最直接的劳动对象，是构成粮食综合生产能力的最基本，也是最重要的要素之一。
North American grass cultivated in western United States as excellent forage crop.
原生于北美，在美国西部作为优质草料种植。
A southwest Asian perennial herb (Medicago sativa) having compound leaves with three leaflets and clusters of usually blue-violet flowers. It is widely cultivated as a pasture and hay crop.
苜蓿，紫花苜蓿：一种亚洲西南部多年生草本植物(苜蓿)，其复叶由三小叶构成，花簇通常为蓝紫色的。它作为牧草和干草而被广泛种植。
They cultivated in mountainous areas of Jiangxi province, planting the cash crop and food farm crop.
他们在江西的山区进行垦殖，种植经济作物和粮食作物。
Rice is the principal cereal crops in China and its cultivated adaptability analysis is necessary for yield increase dependable crop and high quality.
水稻是我国主要粮食作物，进行水稻栽培适宜性分析是一项使水稻增产、稳产、优质的必不可少的工作。
The test data show that, because of the effect of agriculture cultivated system, too long growth phase of each crop is the principal reason which causes the properties of raw ramie to be low.
大量试验数据证明，由于传统农作制度的影响，我国各季麻生长期过长是造成我国苎麻原麻品质不高的根本原因之一。
It is a staple crop cultivated for its large, starchy, spherical tubers, which, though poisonous raw, become edible with heating.
是主要农作物之一，其地下块茎大，圆球形，富含淀粉。生食有毒，但煮熟后可以食用。
An indigenous crop of the Americas, tobacco is cultivated for its leaves.
作为美洲的土产作物，烟草主要收获它的叶子。
It is widely cultivated as a pasture and hay crop.
它作为牧草和干草而被广泛种植。
It is widely cultivated as a pasture and hay crop.
它作为牧草和干草而被广泛种植。
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