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由中国农业工程研究设计院承担的“七五”农业部重点课题“无土栽培设施及配套技术”的研究中“营养液稀释器”的研究(本刊在1990年第6期已作过详细介绍),1990年11月5日在南京通过部级鉴定。鉴定委员会认为,该装置符合我国国情,结构简单、使用方便、价格低廉、利于推广,在国内同类研究中达到领先水平。据悉,目前
Research on the “nutrient solution diluter” in the “Seven-Five” Ministry of Agriculture’s key project “Soil-free cultivation facilities and supporting technologies” undertaken by China Agricultural Engineering Research and Design Institute (This issue was published in the sixth issue of 1990. Introduced), passed the ministerial appraisal in Nanjing on November 5, 1990. The appraisal committee believes that the device is in line with China’s national conditions. It has a simple structure, is easy to use, inexpensive, and conducive to promotion, and it has reached the leading level in similar domestic research. It is reported that at present