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不同肥料投入对有机菜田土壤质量的影响
王相宜1,2,3,黄红心4,鞠鲤懋1,2,3,汤耀中2,5,朱秀妹2,5,李季1,2,3,乔玉辉1,2,3
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(1.中国农业大学 资源与环境学院,北京 100193;2.江苏省昆山市果蔬科技小院,江苏 苏州 215300;3.中国农业大学 有机循环研究院(苏州),江苏 苏州 215100;4.山东省青岛市即墨区农业农村局,山东 青岛266200;5.昆山悦丰岛有机农副产品基地有限公司,江苏 苏州 215300)
摘要:
为探究不同肥料投入对有机菜田土壤质量的影响,以有机菜田为研究对象,设置商品有机肥(OF)、餐厨有机肥(KOF)、绿肥(G)和种植绿肥配施菌剂(MG)4个处理,以不施用肥料为对照(CK),测定不同肥料投入后有机菜田土壤的pH、有机质含量、阳离子交换量等15个指标,利用相关性分析、聚类分析以及主成分分析等方法建立有机菜田土壤质量评价最小数据集,并根据非线性参数方程及权重计算出不同肥料投入对土壤质量的综合影响指数。结果表明:与CK相比,施加OF和KOF均可以显著提高土壤pH、速效磷含量、电导率、钠离子含量(P<0.05),施加KOF可使土壤有机质增加18.52%(P<0.05)。相较于CK,施用有机肥和种植绿肥均可以提升土壤质量,但KOF的施用对土壤质量提升效果最为显著,综合土壤质量评价指数较CK升高30.23%。在筛选出的8个土壤评价最小数据集指标中,土壤有机质对土壤质量影响最大。综上,施加餐厨有机肥比商品有机肥和绿肥更有利于提升有机菜田的土壤质量。
关键词:  有机肥  绿肥  土壤性质  最小数据集  土壤质量评价
DOI:10.11841/j.issn.1007-4333.2024.06.20
投稿时间:2023-12-13
基金项目:国家重点研发计划(2023YFE0104700);内蒙古自治区科技计划(2021GG0284)
Effects of different fertilizer inputs on the soil quality in organic vegetable fields
WANG Xiangyi1,2,3, HUANG Hongxin4, JU Limao1,2,3, TANG Yaozhong2,5, ZHU Xiumei2,5, LI Ji1,2,3, QIAO Yuhui1,2,3
(1.College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China;2.Kunshan Fruit and Vegetable Technology Backyard,Kunshan City,Jiangsu Provence, Suzhou 215300, China;3.Organic Recycling Research Institute (Suzhou) of China Agricultural University, Suzhou 215100, China;4.Agriculture and Rural Bureau of Jimo District, Qingdao City, Shandong Provence,Qingdao 266200, China;5.Kunshan Yuefeng Island Organic Agricultural Products Base Co., Ltd., Suzhou 215300, China)
Abstract:
To investigate the changes of soil quality under different fertilizer input scenarios, four treatments with the commercial organic fertilizer (OF), kitchen organic fertilizer (KOF), green manure (G) and planting green manure with microbial agent (MG) were set up and compared to the control without fertilizer application (CK) in the organic vegetable fields. The physical and chemical indicators such as the pH, organic matter content, and cation exchange capacity etc. of organic vegetable field soil were determined after different fertilizer inputs. Correlation analysis, cluster analysis and the principal component analysis were adopted to establish a minimum dataset to evaluate the soil quality in organic vegetable fields. The comprehensive impact index of the different fertilizer inputs on soil quality was calculated based on nonlinear parameter equations and weights. The results showed that: Compared with CK, the application of OF and KOF significantly increased soil pH, available phosphorus content, electrical conductivity, and sodium ion content (P<0.05). The application of KOF also significantly increased soil organic matter by 18.52%(P<0.05). Compared to CK, the application of organic fertilizer and planting green manure improved soil quality. The application of KOF displayed the most significant effect on improving soil quality, and its comprehensive soil quality evaluation index increased by 30.23% compared to that of CK. Among the eight indicators of the minimum dataset for soil quality evaluation, soil organic matter had the greatest influence on soil quality. In summary, kitchen organic fertilizer input is more beneficial in improving soil quality than the commercial organic fertilizer and green manure inputs.
Key words:  organic fertilizer  green manure  soil properties  minimum dataset  soil quality evaluation