对进一步发展当前保护地蔬菜生产的一点看法为了进一步提高省内保护地蔬菜生产水平。满足城乡人民群众生活需要。１９９４年深秋，我们有针对性的深入到发展保护地蔬菜生产速度较快的永年、定州等５４个县（市）的２４０个重点户进行了调查，通过座谈结合问卷调查的方式，... To further develop the current protected vegetable production point of view in order to further improve the province’s protected vegetable production levels. Meet the needs of urban and rural people’s lives. In the late autumn of 1994, we conducted a targeted survey of 240 key households in 54 counties (cities), including Yongnian and Dingzhou, which developed rapidly in protected areas, and conducted surveys through surveys and surveys. .