CAJ | 학술논문

为准确掌握近年来湘潭县畜禽养殖发展情况及畜禽粪便对环境的污染威胁，笔者利用年平均增长率以及养分平衡计算方法，揭示畜禽养殖量及其磷污染的时序变化规律，分析耕地的畜禽污染负荷。结果表明，近些年湘潭县区域畜禽养殖量整体呈现上升趋势，但除生猪养殖以外，其余种类养殖量出现下降趋势，降幅为20.11%。湘潭县区域农田系统土壤磷素平均盈余量为25.59 kg/hm2，整体呈现上升趋势。
위준학장악근년래상담현축금양식발전정황급축금분편대배경적오염위협，필자이용년평균증장솔이급양분평형계산방법，게시축금양식량급기린오염적시서변화규률，분석경지적축금오염부하。결과표명，근사년상담현구역축금양식량정체정현상승추세，단제생저양식이외，기여충류양식량출현하강추세，강폭위20.11%。상담현구역농전계통토양린소평균영여량위25.59 kg/hm2，정체정현상승추세。
For exploring the regionalproduction structure effecton soil phosphorus balance of farm land system ,this paper analysed the breeding structure of X iangtan County regionalfarm land system based on the statisticaldata of Hunan Province.The resultshow s thatsoil phosphorus balance ofX iangtan County regionalfarm land system m ainly depends on phosphorus inputting offertilizers orm anure as w ellas the phosphorus outputcaused by production offarm crops.The average ofsoilphosphorus surplus in the arable and cultivated area presented am ore clearupw ard trend.A nd from 2000 to 2011,it w as 25.59 kg/hm 2.The reason can be attributed to a large am ountofinput offertilizer containing phosphorusw ithin regionalfarm land system .