论文部分内容阅读
广平县温室大棚蔬菜种植已有20多年的历史,现已形成规模生产,面积达16000亩,但传统化肥、农药的大量施用,严重制约了大棚蔬菜的质量和产量,影响无公害蔬菜的发展,成为菜农增产增收的主要障碍因素。利用沼
Greenpeace greenhouse vegetable cultivation in Guangping County has a history of more than 20 years. Now it has formed a large-scale production and covers an area of 16000 mu. However, the large-scale application of traditional fertilizers and pesticides has seriously hampered the quality and yield of greenhouses and the development of pollution-free vegetables , Become a major obstacle to increase production and income of vegetable farmers. Use of marsh