because composting is a biochemical process and the compost maturity is related to phytotoxic substances in the immature compost , it can also be assessed by biological methods .
堆肥过程是一个生物过程,腐熟度与未腐熟堆肥中植物毒性物质有关,可采用生物学方法进行评价。
oxalic acid (oa), a non-host-specific toxin secreted by sclerotinia sclerotiorum during pathogenesis, has been demonstrated to be a major phytotoxic and pathogenicity factor.