论文部分内容阅读
二十世纪三十年代美国格里克教授用营养液种番茄,仅一株就收茄14公斤。当时这一成果曾被誉为本世纪伟大的发现之一。从此,用营养液来种植作物的无土栽培法,就被人们所重视了。美国曾把无土栽培列为当代十大技术发展之一。如今,已成为一种切实可行的栽培手段,一项新兴的农业科学技术,利用的领域越来越广,种植的作物也越来越多。从蔬菜、花卉到一般粮油作物,从育苗、发芽饲料到种子处理;
Nineteen thirties American Professor Gerik nutrient liquid tomato, only one plant received 14 kg. At that time, this achievement was once praised as one of the great discoveries of this century. Since then, the use of nutrient solution to cultivate crops without soil culture, people have been valued. The United States once listed soilless culture as one of the top ten technological developments in the world. Today, it has become a viable means of cultivation, an emerging agricultural science and technology that uses more and more fields and grows more and more crops. From vegetables, flowers to the general grain crops, from nursery, germination feed to seed treatment;