Better irrigation can dramatically improve crop yield and about 40% of the world's food supply is currently derived from irrigated land.
更好的灌溉可以显著提高作物产量；目前，全球约40%的粮食供应都来自于灌溉地。
I think it will grow even on non-irrigated land where there is a forest belt.
我想即使在没有灌溉的土地上，只要有一条树林？
The Hill and Mountain agro-ecosystem is characterized by very little irrigated land and difficult terrain.
在山与山农业生态系统的特点是很少的灌溉土地，地势崎岖。
The region has as much irrigated land as the United States, and a lot of it is used for crops that are more easily grown in other places and imported.
该地区的水浇地面积与美国相同，许多这样的土地都用来种植可以更容易地生长在别处和进口的作物。
Thirdly, from the table, we see the huge disparities between Brazil and Congo in population, irrigated land area and the average water consumption per person.
第三，从表格中我们看到巴西和刚果在人口数量、土地灌溉面积和人均水消费量上的巨大不同。
Only 17% of all the world's agricultural land is irrigated.
全世界农耕地只有17%得到灌溉。
Ethiopia now has just 39km of roads per 1,000 sq km, and less than 4% of its land is irrigated.
埃塞俄比亚目前每1000平方公里有39公里的路，不到4%的土地得到灌溉。
Ethiopia now has just 39km of roads per 1, 000 sq km, and less than 4% of its land is irrigated.
埃塞俄比亚目前每1000平方公里有39公里的路，不到4%的土地得到灌溉。
In more than two-thirds of the cities, over half the agricultural land is irrigated with wastewater-400, 000 hectares (988, 000 acres), all told.
超过三分之二的城市，其中一半以上的农田是使用废水来灌溉的，这些数字累加起来达到40万公顷(98.8万英亩)。
The river has irrigated the vast land east of Songnen Plain and nourished local people in the past hundreds of years.
这条古老的河流，千百年来滋润着松嫩平原东部广袤的土地，养育着这里的居民。
The water can turn desert or land irrigated to lack into good farmland easily.
这种水可以轻易地将沙漠或缺少灌溉的土地变成良田。
That's what Israel heard: the land of promise would not be like Egypt. There you irrigated the land to produce your daily bread.
以色列民听见：应许之地不会像埃及，在那里你们有河水灌溉大地来栽种日用粮食。
Anatomic construction, density and relative opening degree of stomata, stoma conductivity, transpiration rate, and photosynthetic rate of pear leaves of both irrigated and dry land were tested.
比较测定了水、旱地梨树的叶片解剖构造、气孔分布密度与相对开张度、气孔传导率、蒸腾速率以及光合速率。
The location under irrigated conditions had a higher yield value than under dry land conditions.
灌溉条件下各产量指标明显高于干旱地区。
The Zambeze valley also includes 5.5 million hectares of land that could be used for irrigated agriculture, cattle farming, silviculture, ecotourism and other activities.
赞比西河谷有550万公顷土地可用于农业、畜牧、造林、生态旅游及其它活动。
The vertical centroid of land utilization type was descending, except irrigated fields, grassland with high coverage, and other grassland.
除水田、高覆盖草地和其他草地外的土地利用类型垂直重心下降。
The vertical centroid of land utilization type was descending, except irrigated fields, grassland with high coverage, and other grassland.
除水田、高覆盖草地和其他草地外的土地利用类型垂直重心下降。
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