Effect of compound microbial fertilizer amounts on growth of greenhouse bokchoy and soil microorganisms environment

doi:10.16178/j.issn.0528-9017.20240701

Abstract

Abstract:

Under the premise of 10% reduction of chemical fertilizers, different dosages of compound microbial fertilizer treatments were designed to explore the application effect and appropriate dosage on greenhouse bokchoy. The results showed that the application of compound microbial fertilizer can improve the agronomic traits of bokchoy, increase the crop yield and improve the planting efficiency. It could also increase the number of soil microorganisms, enhance the activity of soil enzymes and improve the soil microbial environment. The best effect was achieved by applying 75.0 L·hm^-2, which increased the number of soil bacteria, actinomycetes and fungi by 130.2%, 76.6% and 72.8%, respectively, and the activities of soil protease and dehydrogenase by 91.5% and 9.2%, respectively, increasing the yield by 22.2% and the efficiency by 14 099.0 yuan·hm^-2 compared with the control without application. The ratio of input to output reached 1.0∶13.5.

Key words: chemical fertilizer reduction, compound microbial fertilizer, greenhouse bokchoy, growth, soil microbial environment

CLC Number:

HE Linhai, ZHONG Shuimei, CHEN Haoran, DAI Yang, SHEN Jianguo, LOU Ling, SU Guijun. Effect of compound microbial fertilizer amounts on growth of greenhouse bokchoy and soil microorganisms environment[J]. Journal of Zhejiang Agricultural Sciences, 2025, 66(5): 1109-1113.

Figures/Tables 12

References 12

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处理	基肥	追肥1	追肥2	化肥总养分(纯)/ (kg·hm^-2)
1(CK)	40%配方肥375 kg·hm^-2	30%高氮型水溶肥90.0 kg·hm^-2	30%高氮型水溶肥60 kg·hm^-2	195.00
2	40%配方肥375 kg·hm^-2,复合微生物肥26.25 L·hm^-2	30%高氮型水溶肥85.5 kg·hm^-2,复合微生物肥11.25 L·hm^-2	0	175.65
3	40%配方肥375 kg·hm^-2, 复合微生物肥52.50 L·hm^-2	30%高氮型水溶肥85.5 kg·hm^-2,复合微生物肥22.50 L·hm^-2	0	175.65
4	40%配方肥375 kg·hm^-2, 复合微生物肥78.75 L·hm^-2	30%高氮型水溶肥85.5 kg·hm^-2,复合微生物肥33.75 L·hm^-2	0	175.65

处理	基肥	追肥1	追肥2	化肥总养分(纯)/ (kg·hm^-2)
1(CK)	40%配方肥375 kg·hm^-2	30%高氮型水溶肥90.0 kg·hm^-2	30%高氮型水溶肥60 kg·hm^-2	195.00
2	40%配方肥375 kg·hm^-2,复合微生物肥26.25 L·hm^-2	30%高氮型水溶肥85.5 kg·hm^-2,复合微生物肥11.25 L·hm^-2	0	175.65
3	40%配方肥375 kg·hm^-2, 复合微生物肥52.50 L·hm^-2	30%高氮型水溶肥85.5 kg·hm^-2,复合微生物肥22.50 L·hm^-2	0	175.65
4	40%配方肥375 kg·hm^-2, 复合微生物肥78.75 L·hm^-2	30%高氮型水溶肥85.5 kg·hm^-2,复合微生物肥33.75 L·hm^-2	0	175.65

处理	Ⅰ	Ⅱ	Ⅲ	平均值
1(CK)	49.53	51.47	51.76	50.92
2	50.06	52.41	51.71	51.39
3	51.09	52.01	51.16	51.42
4	51.81	51.28	51.49	51.49

处理	Ⅰ	Ⅱ	Ⅲ	平均值
1(CK)	49.53	51.47	51.76	50.92
2	50.06	52.41	51.71	51.39
3	51.09	52.01	51.16	51.42
4	51.81	51.28	51.49	51.49

处理	株高/cm	总叶片数/片	最大叶长/cm	最大叶宽/cm	叶片厚度/mm	单株重/g
1(CK)	21.70	18.33	20.54	11.68	0.58	192.2
2	21.76	18.28	20.90	12.69	0.59	198.3
3	23.56	19.08	22.92	13.85	0.60	233.6
4	22.71	18.78	22.10	13.47	0.57	217.2