温室滴灌条件下施用鸡粪和磷肥对土壤磷素的影响

刘志平,武雪萍,李若楠,郑凤君,张孟妮,李生平,宋霄君

Effect of Applying Chicken Manure and Phosphate Fertilizer on Soil Phosphorus Under Drip Irrigation in Greenhouse

ZhiPing LIU,XuePing WU,RuoNan LI,FengJun ZHENG,MengNi ZHANG,ShengPing LI,XiaoJun SONG

表5 土壤不同形态无机磷含量与有效磷的相关系数（r）

Table 5 Correlation coefficients (r) between the content of inorganic P in different forms and Olsen-P

生育时期 Growth period Ca2-P Ca8-P Ca10-P Al-P Fe-P O-P 苗期Seedling stage 0.974** 0.699 0.835 0.991** 0.859 0.319 产瓜初期 Early fruiting stage 0.992** 0.974** 0.691 0.973** 0.862 0.964* 产瓜盛期Vigorous fruiting stage 0.962** 0.911* 0.695 0.929* 0.696 0.696 产瓜末期Late fruiting stage 0.929** 0.919* 0.672 0.945* 0.781 0.845