西北地区中小猪场粪污还田利用思路

Utilization of Manure from Small and Medium-sized Pig Farms in Northwest China

畜禽粪污作为土壤有机质的重要供应源,对改善我国西北地区土地贫瘠的整体现状有着非常重要的作用。在畜禽粪污中,养猪粪污不但产生量大而且水分含量高,治理利用困难。在西北地区很多中小猪场粪污贮存和利用设施不全,资源化利用能力差,环境污染整体压力大。该文分析总结西北地区中小猪场粪污还田利用现状和影响因素,提出发展思路。

As an important source of soil organic matter,livestock and poultry waste plays an important role in improving the present situation of barren land in northwest China.In livestock and poultry manure,pig manure not only produces a large amount of water content and high,treatment and utilization of difficulties.In northwest China,many small and medium-sized pig farms do not have adequate facilities for manure storage and utilization.This paper analyzes and summarizes the present situation and influencing factors of manure and waste returning to the field in small and medium-sized pig farms in northwest China,and puts forward some suggestions for development.