氮磷钾用量对基质培茄子产量、根系形态和根际微生物数量与酶活性的影响

郜永博,王世显,魏珉,李静,高中强,孟伦,杨凤娟

Effects of Nitrogen, Phosphorus and Potassium Dosage on the Yield, Root Morphology, Rhizosphere Microbial Quantity and Enzyme Activity of Eggplant Under Substrate Cultivation

GAO YongBo,WANG ShiXian,WEI Min,LI Jing,GAO ZhongQiang,MENG Lun,YANG FengJuan

表3 不同氮磷钾用量对茄子根际基质速效氮、磷、钾含量和pH的影响

Table 3 Effects of different nitrogen, phosphorus and potassium dosage on the contents of available nutrients and pH in rhizosphere substrate of eggplant

处理 Treatment 速效氮含量 Available nitrogen content (mg·kg-1) 速效磷含量 Available phosphorus content (mg·kg-1) 速效钾含量 Available potassium content (mg·kg-1) pH CK 37.54±1.20f 38.54±2.54d 93.88±1.41e 7.57±0.014a F1 45.40±3.66e 49.52±1.37c 132.33±2.84d 7.57±0.009a F2 54.20±1.38d 63.49±3.45b 157.22±7.73c 7.54±0.024ab F3 58.74±1.21cd 65.46±1.37b 177.79±8.98b 7.51±0.014bc F4 61.53±2.53bc 71.95±1.79a 187.46±7.06b 7.48±0.031c F5 65.79±2.70ab 74.54±1.30a 204.28±3.37a 7.46±0.034c F6 68.19±1.60a 72.42±1.44a 201.02±6.34a 7.37±0.037d