| 1. | The combination of improved seeds, more fertilizer, and improved irrigation doubled yields on irrigated land in developing countries .
由于改良种子，增加化肥和改进灌溉系统的共同作用，发展中国家得到灌溉的农田产量增加了一倍。 |
| 2. | We had seventy acres of good irrigated land
我们有七十英亩灌溉良田。 |
| 3. | Comparative study on major traits of soybean planted on dry land and irrigated land
夏大豆旱水地条件下性状的比较研究 |
| 4. | Irrigated land represents only 15 percent of global cropland but generates 40 percent of the crops
全世界只有15 %的种植面积是灌溉士地，却生产出40 %的作物。 |
| 5. | Pesticide guidelines for the field efficacy trials part 72 : insecticides against soil insect on non - irrigated land
农药田间药效试验准则二第72部分：杀虫剂防治旱地地下害虫 |
| 6. | Pesticide guidelines for the field efficacy trials part 69 : insecticides against snail and slug on non - irrigated land
农药田间药效试验准则二第69部分：杀虫剂防治旱地蜗牛及蛞蝓 |
| 7. | Water depletion : an estimated half of the grain and hay that s fed to beef cattle is grown on irrigated land
水资源的消耗据估计约有半数喂肉牛的谷物和粮草是生长在有灌溉的土地上。 |
| 8. | At the same time , poor irrigation and drainage practices have led to salt buildup in roughly one - eighth of all irrigated land
与此同时，不良灌溉和排水已造成大约八分之一的灌溉土地上堆积了盐分。 |
| 9. | Curtailing emissions of methane , which today contribute about half as much to greenhouse warming as co2 , may provide more than one wedge : needed is a deeper understanding of the anaerobic biological emissions from cattle , rice paddies and irrigated land
今天，甲烷对于温室增温的影响，几乎相当于二氧化碳的一半，因此减少甲烷排放也可能提供一块以上的楔形：我们需要更深入了解来自家畜、稻田及灌溉田地的厌氧生物气体排放。 |
| 10. | ( 5 ) the organic matter , total nitrogen , available phosphorus content were different between different land use types in 1980 and 1999 , the order of these nutrients content in different land use types was irrigated land > rained farmland > grassland in 1980 ; the order of these nutrients content in different land use types in 1999 was vegetable land > irrigated land > rained farmland ; the changes of organic matter , total nitrogen , available phosphorus content were different between different land use types from 1980 to 1999 , the order of these nutrients content change was vegetable land > irrigated land > rained farmland > grassland
( 5 ) 1980年，土壤有机质、全氮、速效磷三种养分含量在旱地、水浇地、荒草地三种用地类型间的变化规律是水浇地旱地荒草地，而速效钾含量在三种用地类型之间的变化规律为旱地水浇地荒草地。 1999年，土壤有机质、全氮、速效磷含量在不同用地类型之间的变化顺序为菜地水浇地旱地；而速效钾含量的变化顺序却为旱地菜地水浇地。 |
