摘要
本文对小规模养殖场畜禽粪便堆肥熟化后的营养成分及重金属含量进行研究,对比不同时间熟化、不同种类畜禽有机肥中营养成分及重金属含量。结果表明,畜禽粪便堆肥熟化1年的有机肥总氮含量为0.67%~4.23%、全磷含量为4.77~11.16 g/kg、全钾含量为4.79~31.60 g/kg、全硫含量为0.096~0.421%、水分含量为12.60%~22.88%;总铅含量为1.79~6.16 mg/kg、总镉含量为0.12~0.26 mg/kg、总铬含量为1.08~4.65 mg/kg、总砷含量为0.63~1.20 mg/kg、总汞含量为0.011~0.032 mg/kg,重金属均未超标。畜禽粪便堆肥发酵半年与1年营养成分并无显著差异。
In this paper, the nutrient composition and heavy metal content of small-scale livestock and poultry organic manure compost after ripening were studied, and the differences of nutrient composition and heavy metal content in different ripening times and different types of livestock and poultry organic manure compost were compared. The results showed that the content of total nitrogen, total phosphorus, total potassium, total sulfur, moisture content, total lead, total cadmium, total chromium, total arsenic and total mercury of organic manure matured by livestock and poultry manure compost fermented for1 year was 0.67%-4.23%, 4.77-11.16 g/kg, 4.79-31.60 g/kg, 0.096%-0.421%, 12.60%-22.88%, 1.79-6.16 mg/kg, 0.12-0.26 mg/kg, 1.08-4.65 mg/kg, 0.63-1.20 mg/kg and 0.011-0.032 mg/kg, respectively. All heavy metals did not exceed the standard. There was no significant difference in nutrient composition between livestock and poultry manure compost fermented half a year and one year.
作者
冯敏铃
李盛安
刘铭扬
何国成
FENG Minling;LI Sheng′an;LIU Mingyang;HE Guocheng(Zhongshan Agricultural Products Quality and Safety Inspection Institute,Zhongshan Guangdong 528403;Zhongshan Agricultural Science and Technology Extension Center,Zhongshan Guangdong 528400)
出处
《现代农业科技》
2021年第21期172-174,共3页
Modern Agricultural Science and Technology
基金
中山市社会公益科技研究项目(2019B2022
2019B2024)。
关键词
畜禽有机肥
营养成分
重金属
粪便还田
livestock and poultry organic manure
nutritional component
heavy metal
manure returning to field
