前言磷对于提高柑桔类果实品质具有较大的作用,但由于磷肥易被土壤固定,或大量施磷而致使细根生长不良,或在树体内产生稀释作用等原因,要想使树体内磷酸浓度达到一定水平是困难的。本文探讨了磷酸(磷酸二氢钾,下同)的树干注入法及其效果。 Preface Phosphorus to improve the quality of citrus fruits have a greater role, but because of phosphate susceptible to soil fixation, or a large number of phosphorus and resulting in poor growth of fine roots, or in the body to produce dilution effect and other reasons, in order to make the body of phosphorus Concentration reaches a certain level is difficult. This article discusses the phosphate (potassium dihydrogen phosphate, the same below) trunk injection method and its effect.