不足2万平方公里的土地上养育着700万人,其中60%是不适合人类居住的内盖夫沙漠。这就是以色列。上世纪60年代,它终于找到了大面积开发干旱少雨地区的金钥匙——滴灌技术,节水40%至50%,为农作物带来300%增产。 Seven million people are raised on less than 20,000 square kilometers of land, 60% of which are not suitable for human habitation in the Negev desert. This is Israel. In the 1960s, it finally found a golden key-drip irrigation technique for a large area of ​​dry and underdeveloped areas. It saved water by 40% to 50% and brought about a 300% increase in crop yield.