Techni cals peci f i cat i on ofpi g-bi ogas -f rui t -f i s h produci ng s ys t em f oragri cul t uralnon-poi nts ourcepol l ut i on cont roli n hi l l y area ofs out h Chi na

Accor di ng t o t he pr i nci pl e ofeco-agr i cul t ur e and ci r cul ar agr i cul t ur e,t he s t udy ofpi g-bi ogas-f r ui t-f i sh pr oduci ng syst em was car r i ed out wi t h t he pur pose of agr i cul t ur al non-poi nt s our ce pol l ut i on cont r ol , and t he sour ce cont r ol l i ng,emi ssi on r educt i on and pur i f yi ng t echni calr equi r ement s i n each l i nksoft he syst em wer e cl ar i f i ed.A t echni cal speci f i cat i on was dr awn up f or t he r ef er ence as vi gor ousl y ext endi ng t he pi g-bi ogas-f r ui t-f i sh pr oduci ng syst em f or agr i cul t ur alnon-poi ntsour ce pol l ut i on cont r oli n hi l l y ar ea ofsout h Chi na.