不同磷肥品种在石灰性土壤中的磷形态差异

吉冰洁,李文海,徐梦洋,牛金璨,张树兰,杨学云

Varying Synthetic Phosphorus Varieties Lead to Different Fractions in Calcareous Soil

JI BingJie,LI WenHai,XU MengYang,NIU JinCan,ZHANG ShuLan,YANG XueYun

图1 不同磷肥品种的土壤有效磷动态 Control：不施磷肥No phosphate fertilizer;SSP：过磷酸钙Superphosphate;CaMg P：钙镁磷肥Calcium magnesium phosphate fertilizer;MAP：磷酸一铵Mono-ammonium phosphate;DAP：磷酸二铵Di-ammonium phosphate;Poly P：聚磷酸铵Ammonium poly-phosphate;Urea P：磷酸脲Urea phosphate;SSP+ASA：过磷酸钙加硫酸铵Superphosphate plus ammonium sulfate。下同 The same as below

Fig. 1 Dynamics of Olsen P in soils subjected to different varieties of phosphorus fertilizers