1.
Herbicides provide a cheaper and more effective means of controlling weeds than cultivation.
除草剂比清耕消除杂草成本低，效率高。
2.
Permanent grass has a number of advantages over clean cultivation, the system it superseded.
多年生牧草较之已被其取代的清耕有许多优越性。
3.
This clearly shows the advantage of mechanized farming.
这清楚地说明了了机械化耕作的好处。
4.
Shandong Area s population,cultivated land and grain price vicissitudes in the Qing Dynasty;
清代山东地区的人口、耕地与粮价变迁
5.
THE DEVELOPMENT AND CAUSES OF CULTIVATION FOR HORQIN REGION IN THE QING DYNASTY;
清代科尔沁农耕的发展及其支持条件
6.
5. Shaping and Expanding of the Agricultural Area is Heilongjiang Basin During the Qing Dynasty;
清代黑龙江流域农耕区的形成与扩展
7.
Study on Cultivated Land Changes in Qingzhen City of Guizhou Province in Recent 60 Years
近60年贵州省清镇市耕地变化研究
8.
(of land) made ready for development or agriculture by clearing of trees and brush.
（指土地）清除了树木和灌木以准备开发或者耕种。
9.
Grading of Arable Land at County Level with the Support of GIS--A Case of Fuqing City, Fujian Province
gis支持下的县级耕地分等——以福建省福清市为例
10.
The farmer still must cut down trees, clear a lot of land and cultivate the soil.
农民们还必须砍倒树木，清理大片土地进行耕耘。
11.
Restoring & Developing Farmland in Hunan in the Early & Middle Qing Dynasty;
清代中前期湖南地区耕地的恢复与开发
12.
Investigation on Population Capacity of the Cultivated Land in the Qingzhen Karst Farmland of Guizhou;
贵州清镇喀斯特溶原坝地耕地生产潜力研究
13.
On the Cause for Great Descent of the Amount of Cultivated Lands in Early Qing Dyansty;
试析清初全国耕地数大幅度下降的原因
14.
Development and Influential Factors of Cultivation in Initial Stage and Mid-term of the Qing Dynasty in Heilongjiang Province;
清初中期黑龙江耕作业的发展及影响因素
15.
An Exploration on Public Landscape and Space of Farming-reading Village South of the Yangtze River in the Ming and Qing Dynasties
明清江南耕读村落的公共景观与空间研究
16.
forest fallow: All complexes of woody vegetation derived from the clearing of natural forest for shifting agriculture.
休耕林,轮耕林:指天然森林斫伐清理后,准备转向农业使用过程中的所有林木植被复合地带。
17.
A Comparative Study of the Cultivated Land Ownership of Peasants in Shandong and Bavaria
对耕者有其田与耕者有其权的新探讨——清康雍乾山东与德国巴伐里亚农村土地状况的比较
18.
But not all cleared forest is suitable for farming-and that is particularly so when the forest in question is in the tropics.
然而并非所有清空的森林地都适合耕种，尤其是处于热带的森林。