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一、无土栽培事业的兴起无土栽培又称水培,是近几十年特别是近十几年发展很炔的一门新兴科学。现在世界上如美国、英国、意大利、苏联、加拿大、日本、印度等四十多个国家,都建有规模不等各具特点的水培场。水培因为不需要土壤,是一种用化学溶液培养植物的技术和方法,所以也叫无土栽培。早在上一世纪,水培就应用做植物生理学实验。到了1929年美国加里福尼亚大学教授格里克在室外成功地用水
First, the rise of soilless cultivation career Soilless culture, also known as hydroponics, is a new science that has developed very alkyne in recent decades, especially in the past ten years. Now in the world, more than 40 countries, such as the United States, Britain, Italy, the Soviet Union, Canada, Japan and India, have all kinds of hydroponics farms with different sizes. Because hydroponics does not require soil, hydroponics is a technique and method of cultivating plants with chemical solutions and is also called soilless cultivation. As early as the last century, hydroponics applied to plant physiology experiments. In 1929, Professor Glick, a professor at the University of California, successfully used water outdoors