全国土壤肥力和肥料效益长期监测基地建设的技术体系研究于1992年1月31日在北京通过鉴定。鉴定会由农业部科技司主持、计委科技司常玉林、刘艳荣处长和农业部科技司刘兴海处长参加会议并讲话。该技术体系研究是属国家计委重点工业性项目,由中国农业科学院主持。该项目在全国四大气候带,七大农 National soil fertility and fertilizer benefits long-term monitoring base construction technology system research in January 31, 1992 passed the appraisal in Beijing. Appraisal will be hosted by the Ministry of Science and Technology Division, Planning and Technology Division Chang Yulin, Director Liu Yanrong and Ministry of Agriculture Science and Technology Secretary Liu Xinghai attended the meeting and delivered a speech. The technical system of the State Planning Commission is a key industrial project, chaired by the Chinese Academy of Agricultural Sciences. The project in the four major climatic zones, seven major farmers