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6 不同生育时期土壤有效磷及无机磷与黄瓜产量的相关系数（r）

Table 6 Correlation coefficients (r) between Olsen-P and inorganic P in soil and cucumber yield at different growth stages

生育时期Growth period Olsen-P Ca2-P Ca8-P Ca10-P Al-P Fe-P O-P 苗期Seedling stage 0.887* 0.906* 0.691 -0.313 0.934* 0.595 0.482 产瓜初 Early fruiting stage 0.933* 0.912* 0.86 0.007 0.918* 0.759 0.989** 产瓜盛期Vigorous fruiting stage 0.963** 0.999** 0.886* -0.03 0.985** 0.695 0.607 产瓜末期Late fruiting stage 0.897* 0.973* 0.774 0.472 0.931* 0.475 0.738