有机肥和无机氮肥配合施用(简称“配施”)在我国肥料结构和施肥方法上都具有重要实际意义.正确评价有机肥与无机氮肥配合施用的效益,需要查明“配施”有无连应效果.近年来这一问题已引起土壤肥料工作者较多的关注,有些研究认为“配施”对产量有正连应效果.然而这些研究对连应效果的机制很少涉及;在衡量有无连应效果方面,用有 The combination of organic manure and inorganic nitrogen fertilizers (referred to as “allocation”) has important practical significance on the structure of fertilizers and the methods of fertilization in our country.If we correctly evaluate the benefits of combined application of manure and inorganic nitrogen fertilizers, In recent years, this issue has attracted more attention of soil and fertilizer workers, some studies believe that the “allocation” has a positive effect on the yield of production.However, these studies on the response effect of the mechanism rarely involved in the measurement of No effect should be connected with