1·Just 25 per cent of the country's land is suitable for crop growing, most of which is already occupied by arable fields.
中国只有25%的土地适合种植农作物，其中大部分已经被用作耕地。
2·An increasing amount of forest land has been used for industrial purposes, or for agricultural development such as crop growing.
越来越多的林地被用于工业目的，或用于农业发展，如种植作物。
3·Figure 1. Sampling Route Figure 2. Crop growing curve in Hebei Provine.
图一。 华北、东北空间采样路线图二。 河北作物长势图。
4·The cowpea crop growing at the base of the maize plants was infested with pod borers.
玉米底部周围种植的豇豆到处滋生着扁豆螟。
5·After all, China has a long agricultural history, and our ancestors have left many helpful tips to improve crop growing.
毕竟，中国的农耕历史十分悠久，我们祖先留下了很多有益的种植经验。
6·The storage and the usable amount of soil water resource vary with the situations of meteorology, irrigation and crop growing.
土壤水储存量和土壤水可利用量随气象条件、灌溉以及作物状况不断变化；
7·The change tendency of the precipitation during crop growing season was the same as the before in the most regions of Jilin Province.
全省大部地区的变化趋势都与过去相同，即未来生长季降水变化趋势仍为减少趋势。
8·The paper has studied regulating scenarios of the Xiaolangdi Reservoir based on the irrigation effects on the output at different crop growing stages.
基于作物不同生长期灌水对产量的影响，研究了小浪底水库的调度方案。
9·The method for collecting and monitoring the information of crop growing water demand and the transformation technology of spatial scale are investigated.
对作物生命需水信息的采集与监测方法及时空尺度转换技术进行了探讨。
10·This paper studies the influence on dynamic state of soil water salt, groundwater table, groundwater quality, crop growing and yield generated by saline water irrigation.
研究了咸水灌溉对土壤水盐动态、地下水位、地下水质、作物生长及产量的影响。