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浙江大学学报（农业与生命科学版）
浙江大学学报(农业与生命科学版)  2015, Vol. 41 Issue (2): 213-218    DOI: 10.3785/j.issn.1008-9209.2014.08.111
资源与环境科学     
规模化养殖场畜禽粪中磷的化学形态与稳定化
谢国雄1*， 吴崇书2， 孔樟良3， 姜铭北2
1.杭州市植保土肥总站，杭州 310020；2.淳安县植保土肥站，浙江 淳安 311700；3.建德市土肥站，浙江 建德 311600
Chemical forms and stabilization of phosphorus in manures from large-scale livestock and poultry farms.
Xie Guoxiong1*, Wu Chongshu2, Kong Zhangliang3, Jiang Mingbei2
(1. Hangzhou Plant Protection and Soil-fertilizer Station, Hangzhou 310020, China; 2. Plant Protection and Soil Fertilizer Station of Chun’an County in Zhejiang Province, Chun’an 311700, Zhejiang, China; 3. Soil Fertilizer Station of Jiande City in Zhejiang Province, Jiande 311600, Zhejiang, China)
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摘要： 为了解规模化养殖场畜禽粪便中磷的化学形态，寻求畜禽粪便中磷的稳定化途径，采集浙江省代表性规模化养殖场畜禽粪便样92个，采用改进的Hedley磷分级方法鉴定磷的化学形态；通过添加明矾、碳酸钙、石膏、粉煤灰及土壤物质，研究不同添加物对畜禽粪便中磷的稳定效果.结果表明：规模化养殖场畜禽粪便样品具有高磷、高无机磷比例及高生物有效性的特点，全磷质量分数在18.70~54.30 g/kg之间，平均为30.50 g/kg；可提取态无机磷占全磷的比例平均达70.08%；水溶性磷、NaHCO3-P和HCl-P占全磷的比例平均分别达20.03%、29.59%和22.93%，而NaOH-P和残余态磷占全磷的比例分别只有14.64%和12.81%.培养试验表明：各类稳定剂均对畜禽粪便中的磷有稳定效果，并随添加物用量的增加而增加；稳定效果为明矾>粉煤灰>碳酸钙>土壤物质>石膏.建议畜禽粪的施用量应基于其磷素水平确定，并适当添加稳定剂增加磷的稳定性.
Abstract: Intensive confined livestock and poultry production systems generate large quantities of manure by-products, which have the potential for being recycled on agricultural land. Beneficial use through land application is based on their ability to alter favorably soil properties. However, protecting environmental quality is a major consideration when developing management practices are carried out to use effectively manure by-products as a nutrient resource and soil conditioner in agricultural production system. To date, most of the environmental problems associated with land application of manure by-products have centered on the contamination of groundwater and surface water with nitrogen and phosphorus. High concentration and high water solubility of phosphorus in animal manures have become a limiting factor for agricultural safety application of manures. Optimum use of these by-products requires the knowledge of their composition not only in relation to beneficial uses but also to environmental implications. To understand the chemical form of phosphorus in manures of large-scale livestock and poultry farms, and to seek the ways to stabilize phosphorus in manures, 92 manure samples were collected from representative large-scale farms in Zhejiang Province. The chemical forms of phosphorus in the manures were identified by the modified Hedley’s phosphorus fractionation. Six amendments, including alum, calcium carbonate, gypsum, fly ash and two soil materials, were used to test their effects on the stability of phosphorus in the manures. One pig manure sample was mixed separately with alum, calcium carbonate, gypsum, and the fly ash at the rates of 0%, 2%, 4% and 6%, and the two soil materials at the rates of 0%, 5% and 10%, and it was incubated at room temperature for 30 days. The incubated materials were analyzed for bio-available phosphorus (P), water extractable P and chemical forms of P. The results showed that the manures collected from Zhejiang Province had the characteristics of high phosphorus, high inorganic phosphorus ratio and high availability. The total phosphorus content in the manures ranged from 18.70 to 54.30 g/kg with a mean of 30.50 g/kg. Extractable inorganic phosphorus in the manures accounted for the total phosphorus up to 70.08%, averagely. Mean proportions of water soluble P, NaHCO3-P and HCl-P in total P were 20.03%, 29.59% and 22.93%, respectively. Meanwhile, the proportions of NaOH-P and residual P were only 14.64% and 12.81%. The incubation experiments indicated that all kinds of amendments had significant effects to stabilize phosphorus in the manure, and the effects increased with the increasing amount of amendments. The stability effects decreased in the order of alum>fly ash>calcium carbonate>soil material>gypsum. In conclusion, the application of the manures from large-scale livestock and poultry farms has a great environmental risk. It is suggested that the application rate of the manure should be limited based on allowable P loadings, and the addition of amendments, such as alum, calcium carbonate, gypsum, fly ash and soil materials, can stabilize P in the manures.
出版日期: 2015-03-20
CLC:  X 53  
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谢国雄
吴崇书
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姜铭北

引用本文:

谢国雄，吴崇书，孔樟良，姜铭北 . 规模化养殖场畜禽粪中磷的化学形态与稳定化[J]. 浙江大学学报(农业与生命科学版), 2015, 41(2): 213-218.

Xie Guoxiong, Wu Chongshu, Kong Zhangliang, Jiang Mingbei. Chemical forms and stabilization of phosphorus in manures from large-scale livestock and poultry farms.. Journal of Zhejiang University (Agriculture and Life Sciences), 2015, 41(2): 213-218.

链接本文:

http://www.zjujournals.com/agr/CN/10.3785/j.issn.1008-9209.2014.08.111    或    http://www.zjujournals.com/agr/CN/Y2015/V41/I2/213

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