区域种养平衡估算与养殖场种养结合意愿影响因素分析:基于江苏省的实证研究

doi:10.11934/j.issn.1673-4831.2018.02.005

摘要/Abstract

摘要：

种养结合是实现畜禽粪便资源化利用、防控畜禽养殖污染和减少农田化肥施用的重要途径。2001-2013年江苏全省及各地市普遍存在农田氮磷盈余现象，氮磷盈余强度总体上呈现先上升后下降的阶段性特征，苏北各地市氮磷盈余强度普遍高于苏南、苏中地区，化肥过量投入是农田氮磷盈余的主要驱动因素。与2001年相比，2013年全省及多数地市氮磷盈余强度下降幅度较大，全省农田氮磷平衡状况正在改观。运用Logistic模型研究养殖场种养结合意愿的影响因素，发现养殖场是否获得过养殖环保政策补贴、环保部门的监管压力、养殖规模和配套土地面积等因素对养殖场种养结合意愿具有显著正向影响。

关键词: 畜禽养殖, 氮磷平衡, 种养结合, 意愿, 影响因素

Abstract:

To combine planting with breeding is an important approach to recycling livestock and poultry manure, preventing and controlling the waste from polluting the environment and reducing the use of chemical fertilizers in farmland. During the period from 2001 to 2013, nitrogen and phosphorus surpluses were found universally in farmlands of Jiangsu Province, and might be divided generally into two phases in intensity, i.e. rising first and then falling. The surplus intensity was commonly higher in the northern part than in the central and southern parts of the province. Excessive input of fertilizer was the main driving factor of the surplus. Compared with the year of 2001, the year of 3013 witnessed a sharp drop in nitrogen and phosphorus surplus intensity in most parts of the province, and great changes took place in budgeting of farmland nitrogen and phosphorus all over the province. Logistic model was used to analyze factors affecting willingness of livestock farms to combine breeding with planting willingness. It was found that subsidies in the name of environmental protection policy, pressure of the supervision of the environmental protection department, breeding scale and supporting land area, etc. are major factors affecting their willingness.

Key words: livestock and poultry farming, balance of nitrogen and phosphorus, planting-breeding combination, willingness, affecting factors

中图分类号:

F323.22
X323

孟祥海, 周海川, 周海文. 区域种养平衡估算与养殖场种养结合意愿影响因素分析:基于江苏省的实证研究[J]. 生态与农村环境学报, 2018, 34(2): 132-139.

MENG Xiang-hai, ZHOU Hai-chuan, ZHOU Hai-wen. Balancing of Planting-Breeding on a Region Scale and Factors Affecting Willingness of Livestock Farms for Planting-Breeding Combination: A Case Study in Jiangsu Province[J]. Journal of Ecology and Rural Environment, 2018, 34(2): 132-139.

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