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应用１５Ｎ示踪技术，在盆栽条件下研究了四种施磷水平（０、９．５、１９和３８ｍｇＰ／ｋｇ土），接种两种菌根（Ｇｌｏｍｕｓｍｏｓｓｅａｅ和Ｓｃｌｅｒｏｃｙｓｔｉｓｓｉｎｕｏｓａ），对玉米和棉花的生长发育、吸收利用氮素以及土壤ＡＮ值的影响。结果如下：１．接...
Four kinds of phosphorus application (0, 9.5, 19 and 38 mg P / kg soil) were inoculated under potted condition and inoculated with two kinds of mycorrhiza (Glomusmosseae and Sclerocystissinuosa) on the growth and development of maize and cotton , Absorption and utilization of nitrogen and soil AN value. The results are as follows: 1. Then ...