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根据佛山市2012年畜禽饲养情况、有效农田面积等统计资料和各种参数估算,以区为单位,详细分析了佛山市2012年畜禽粪尿产生及养分总量空间变化特征,并以此为基础分析有效农田畜禽粪尿的猪粪当量的负荷量,并对各区的耕地畜禽粪便承受程度进行了风险评价和预警分析,结果显示,佛山市2012年畜禽粪便年产生量达201万t;畜禽粪便农田平均负荷量50.81 t/(hm~2·a);5个区的农田畜禽粪尿负荷预警级别平均已经达到Ⅳ级,特别是顺德区已达到较高级别的预警,亟需进一步采取措施加强畜禽养殖业粪尿染物治理。
According to the statistical data and various parameters of livestock and poultry raising and effective farmland area in Foshan in 2012, the spatial variation characteristics of livestock excrement production and total nutrients in Foshan in 2012 were analyzed in detail. Based on this, Based on the analysis of effective farmland manure excrement pig manure equivalent load, and each area of farmland livestock and poultry manure tolerance conducted a risk assessment and early warning analysis showed that Foshan City in 2012 livestock manure annual output of 201 The average load of livestock and poultry farmland was 50.81 t / (hm ~ 2 · a). The warning levels of livestock and poultry excrement urinary loads in the five districts reached an average of Ⅳ. Especially, Shunde had reached a higher level of early warning , Urgent need to further take measures to strengthen livestock and poultry manure management.