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1 试验设计处理

Table 1 Treatments of experiment design

处理Treatment	幼苗期每15 d施肥量 Fertilization dosage of 15 days at the seedling stage			结果期每15 d施肥量 Fertilization dosage of 15 days at fruiting stage			总施肥量 Total fertilization dosage
处理Treatment	N (kg·hm^-2)	P₂O₅ (kg·hm^-2)	K₂O (kg·hm^-2)	N (kg·hm^-2)	P₂O₅ (kg·hm^-2)	K₂O (kg·hm^-2)	N (kg·hm^-2)	P₂O₅ (kg·hm^-2)	K₂O (kg·hm^-2)
CK	0	0	0	0	0	0	0	0	0
F1	6.95	8.16	16.73	12.74	14.96	30.67	90.3	106.1	217.5
F2	10.42	12.24	25.09	19.10	22.44	46.00	135.4	159.1	326.2
F3	13.89	16.31	33.46	25.47	29.91	61.34	180.6	212.1	434.9
F4	17.36	20.39	41.83	31.83	37.39	76.68	225.7	265.1	543.7
F5	20.84	24.47	50.19	38.20	44.87	92.02	270.9	318.2	652.5
F6	24.31	28.55	58.55	44.57	52.35	107.35	316.0	371.2	761.2