nitrogenous substance meaning in Chinese

含氮物质

In the modern breeding , there are large amount of the excrement to be accumulated , these organic excrement will produce the large amount of ammonia and other harmful nitrogenous substance via ammonification
现代集约化养殖长期累积了大量养殖排泄物，这些有机排泄物经氨化作用产生大量氨等含氮有害物。
Using this product for long term , can efficiently avoid the suffocation of nitrification , promote the cycle of nitrogenous substance , avoid the water quality worsen and purify water quality , reduce the risk of breeding and increase the breeding benefit
长期使用用本品后可有效避免硝化作用受阻、推动含氮物质的循环、避免水质恶化、净化水质降低养殖风险、提高养殖效益。