Organic Fertilizers Application Improves Soil Enzyme Activity in Tobacco Field

doi:10.11924/j.issn.1000-6850.casb19010118

Abstract

Abstract:

To reveal the effect of organic fertilizer application on the soil enzyme activity in tobacco field, five kinds of organic fertilizer treatments were selected with single fertilizer application as control. Eight soil enzymes’ activities in tobacco field were determined during tobacco rosette stage, fast growth stage, budding stage, pre-harvesting stage and post-harvesting stage. After applying organic fertilizer, the activities of invertase and catalase in soil were increased in all the five stages. The effect of fermented cow manure on the sucrase activity was the greatest, and the application of compound organic fertilizer B had stronger influence on catalase activity. Organic fertilizers’ application improved the activity of polyphenol oxidase in soil during the post-maturing stage, fermented cow manure and fermented bean cake had significant effect. Organic fertilizers’ application improved dehydrogenase activity from the rosette stage to pre-harvesting stage. The activity of soil acid phosphatase and neutral phosphatase after fast growing stage was improved. Straw organic fertilizer and compound organic fertilizer A had greater influence on soil phosphatase activity. The soil alkaline phosphatase activity at budding stage and pre-harvesting stage was increased, and the two compound fertilizers and fermented cow manure had the greatest influence. In addition, the soil urease activity in tobacco field declined after organic fertilizer application compared with single fertilizer application. In conclusion, organic fertilizer application in tobacco field can change the soil enzyme activity and benefit soil conservation.

Key words: organic fertilizer, tobacco field, soil enzyme activity, enzymatic activity, soil conservation

CLC Number:

S156.2

Yang Delian, Zhou Xin, Li Gengxin, Du Chuanyin, Guan Ensen, Ma Sujing, Zhang Peng, Liu Zhenyu, Li Xiangying. Organic Fertilizers Application Improves Soil Enzyme Activity in Tobacco Field[J]. Chinese Agricultural Science Bulletin, 2020, 36(15): 60-67.

Figures/Tables 9

References 26

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肥料	养分含量	氮磷钾比例
烟草秸秆有机肥	2:2:1.8	1.00:1.08:3.00
复合有机肥A	2:1:2	1.00:1.08:3.00
复合有机肥B	2:1:2	1.00:1.08:3.00
发酵牛粪	0.32:0.25:0.16	1.00:1.08:3.00
发酵豆饼	5:1:2	3.00:1.00:2.00
化肥	1.00:0.85:3.04	1.00:0.70:3.00

肥料	养分含量	氮磷钾比例
烟草秸秆有机肥	2:2:1.8	1.00:1.08:3.00
复合有机肥A	2:1:2	1.00:1.08:3.00
复合有机肥B	2:1:2	1.00:1.08:3.00
发酵牛粪	0.32:0.25:0.16	1.00:1.08:3.00
发酵豆饼	5:1:2	3.00:1.00:2.00
化肥	1.00:0.85:3.04	1.00:0.70:3.00