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木薯渣堆肥及其对难溶性磷的活化试验研究
引用本文:邹璇,王德汉,李淑仪,李亮,李庆,文国来. 木薯渣堆肥及其对难溶性磷的活化试验研究[J]. 生态环境, 2010, 0(1): 81-85
作者姓名:邹璇  王德汉  李淑仪  李亮  李庆  文国来
作者单位:华南农业大学资源环境学院;广东省生态环境与土壤研究所;
基金项目:广东省科技计划项目(2008B080501008)
摘    要:试验以干鸡粪、米糠、堆肥返料作调理剂,同时加入不同含量的磷矿粉,对木薯渣进行好氧堆肥,研究木薯渣堆肥过程中堆肥理化性质的变化及木薯渣堆肥对难溶性磷的活化作用。试验设置磷矿粉加入量10%(T1)、15%(T2)、20%(T3)和不加磷矿粉(CK)四个处理,干鸡粪、米糠、堆肥返料的添加量均为10%、15%和20%。在堆肥过程中,四个处理均在55℃以上高温持续了25d,超过了国家规定的标准。在堆肥结束时,各处理水分含量均降至30%左右,pH升高至弱碱性,淀粉降解率均在90%以上,水溶性碳(DOC)含量均降至10g.kg。以下,达到了基本腐熟的标准。证明木薯渣通过堆肥能达到稳定无害化状态。在堆肥结束时,T1、T2、T3有效磷增加量分别为12.58、12.81、12.96g.kg-1,对磷矿粉的活化率分别为23.53%、17.07%、14.50%,T1活化效果最好。研究结果表明木薯渣堆肥对难溶性磷有一定的活化作用,可为解决堆肥资源化产品中植物可利用磷含量偏低的难题开拓一条生物学途径:

关 键 词:木薯渣  堆肥  难溶性磷  活化

Study on cassava waste composting and it's phosphorus transformation with pre-mixing insoluble phosphate
ZOU Xuan,WANG Dehan,LI Shuyi,LI Liang,LI Qing,WEN Guolai .College of Nature Resources , Environment,South China Agricultural University,Guangzhou ,China,.Guangdong Institute of Eco-environmental , Soil Science,Guangzhou. Study on cassava waste composting and it's phosphorus transformation with pre-mixing insoluble phosphate[J]. Ecology and Environmnet, 2010, 0(1): 81-85
Authors:ZOU Xuan  WANG Dehan  LI Shuyi  LI Liang  LI Qing  WEN Guolai .College of Nature Resources    Environment  South China Agricultural University  Guangzhou   China  .Guangdong Institute of Eco-environmental    Soil Science  Guangzhou
Affiliation:ZOU Xuan1,WANG Dehan1,LI Shuyi2,LI Liang1,LI Qing1,WEN Guolai1 1.College of Nature Resources , Environment,South China Agricultural University,Guangzhou 510640,China,2.Guangdong Institute of Eco-environmental , Soil Science,Guangzhou 510650
Abstract:This study conducted the aerobic composting process of cassava waste mixed with dried chicken manure,rice bran,cassava waste compost recycle and powdered rock phosphate.The change of physicochemical properties and phosphorus transformation of insoluble phosphate were analyzed during the composting process.The experimental design of composting included four treatments,i.e.,addition of rock phosphate at 0 (CK),10% (T1),15%(T2),20%(T3).In the composting,the addition amount of dried chicken manure,rice bran,and...
Keywords:cassava waste  compost  insoluble phosphate  transformation  
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