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最近三十年特别是最近几年,用水溶液培养植物的技术和方法,在世界上许多国家,有了很大发展。据美国农业部1976年统计,全美国有51%家庭自己生产蔬菜,其中绝大部分采用无土栽培(即水培法)。苏联西伯利亚有所谓“冬季草场”,用无土栽培为牲畜生产饲料。在阿拉伯国家昔日寸草不生的沙漠地,第一次种出了蔬菜和谷物。印度计划在孟买和加
In the recent three decades, especially in recent years, technologies and methods for cultivating plants with aqueous solutions have greatly developed in many countries in the world. According to the USDA’s 1976 statistics, 51% of the households in the United States produce their own vegetables, most of which are soilless (ie hydroponics). The so-called “winter pastures” in the Soviet Union of Siberia produce feedstuffs for livestock using soilless cultivation. For the first time, vegetables and grains were planted in deserts formerly abused by Arab countries. India plans to increase in Mumbai and Canada