crop farming

基本解释

Crop farming, sheep farming, and the working of stone from the quarries formed the early backbone of San Marino's economy.
在没有其它矿产资源的条件下，农耕、牧羊和采制石料便是早期和传统的经济来源；
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As an important agricultural production department, crop farming includes two major parts: the planting of grain crops and economic crops.
作为重要的农业生产部门的种植业包括两大部分：粮食作物的种植和经济作物的种植。
Ecological restoration was the main factors of cultivated land decrease, and the development of crop farming was threatened by the construction of forestry.
生态退耕是耕地减少的主要因素，林业建设威胁种植业发展；

She says for developing countries to improve their crop output, investment needs to be made in promoting traditional farming techniques.
The reason for that is, if you are just engaged in a single crop farming, well you plant it, you take care of it, and then when the times comes you reap it.
其中的原因是,如果只是种庄稼,你先播种,接着你好生照料它们,然后成熟时收割它们
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They razed the forest to accommodate crop farming, and local tribes were reduced to selling trinkets at the oil camps, or to retreating further into the bush.
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The weather impact was exacerbated by decades of extensive farming without crop rotation, cover crops and other techniques to prevent wind erosion.
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种植业
But when the late Ming Dynasty , special in Qing Dyansty, because of grain crops plant reduce and economy crops plant increase , there was lack of food phenomeno, the structure of crop farming start to change.
但到了明末，特别是清以来，随着粮食作物种植的减少及经济作物的广泛种植，使得这一地区出现了缺粮的现象，种植业结构开始发生变化。