[1]李冰青,朱宁,叶小梅,等.奶牛粪颗粒粒径分布及养分含量特征[J].江苏农业学报,2019,(06):1354-1359.[doi:doi:10.3969/j.issn.1000-4440.2019.06.012]
 LI Bing-qing,ZHU Ning,YE Xiao-mei,et al.Characteristics of particle size distribution and nutrient content in cow manure[J].,2019,(06):1354-1359.[doi:doi:10.3969/j.issn.1000-4440.2019.06.012]
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奶牛粪颗粒粒径分布及养分含量特征()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2019年06期
页码:
1354-1359
栏目:
耕作栽培·资源环境
出版日期:
2019-12-31

文章信息/Info

Title:
Characteristics of particle size distribution and nutrient content in cow manure
作者:
李冰青12朱宁13叶小梅13刘威1加伟4张应鹏1朱燕云13靳红梅13
(1.江苏省农业科学院循环农业研究中心,江苏南京210014;2.南京农业大学资源与环境科学学院,江苏南京210095;3.农业农村部种养结合重点实验室,江苏南京210014;4.南京卫岗乳业有限公司,江苏南京210014)
Author(s):
LI Bing-qing12ZHU Ning13YE Xiao-mei13LIU Wei1JIA Wei4ZHANG Ying-peng1ZHU Yan-yun13JIN Hong-mei13
(1. Recycling Agriculture Research Center, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China;2. College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China;3. Key Laboratory of Crop and Livestock Integration, Ministry of Agriculture and Rural Areas, Nanjing 210014, China;4. Nanjing Weigang Dairy Co., Ltd., Nanjing 210014, China)
关键词:
奶牛粪颗粒粒径养分含量
Keywords:
cow manureparticle sizenutrient content
分类号:
S823.9+1
DOI:
doi:10.3969/j.issn.1000-4440.2019.06.012
文献标志码:
A
摘要:
为探明奶牛粪颗粒粒径及其有机碳和养分分布特征,以新鲜的泌乳奶牛粪为研究对象,通过分级筛分方法得到了粒径分别为≤0.10、0.11~0.20、0.21~0.50、0.51~1.00、1.01~2.00和>2.00 mm的颗粒样品,并对其质量、总有机碳(TOC)、总氮(TN)、总磷(TP)和总钾(TK)含量及其所占比例,以及C/N分布进行分析。结果表明,不同粒径颗粒所占比例依次为≤0.10 mm颗粒28.0%、1.01~2.00 mm颗粒25.3%、0.51~1.00 mm颗粒24.2%、>2.00 mm颗粒11.5%、0.21~0.50 mm颗粒7.5%、0.11~0.20 mm颗粒3.5%。TOC主要存在于较大颗粒(粒径>0.50 mm)中,约占总量的70%;而TN、TP和TK主要存在于较小颗粒(粒径≤0.1 mm)中,占各自总量的44.4%、50.1%和67.3%。固液分离后固体的C/N较高。
Abstract:
In the present study, fresh cow manure was used to investigate the distribution characteristics of particle size, organic carbon and nutrients in cow manure. Samples with particle sizes of ≤0.10 mm, 0.11-0.20 mm, 0.21-0.50 mm, 0.51-1.00 mm, 1.01-2.00 mm and >2.00 mm were obtained by classification screening method, and their weight, total organic carbon(TOC), total nitrogen (TN), total phosphorus (TP) and total potassium (TK) contents and their proportion, as well as C/N were determined. The results showed that the proportions of different particle sizes followed the order of(≤0.10 mm, 28.0%)>(1.00-2.00 mm, 25.3%)>(0.51-1.00 mm, 24.2%)>(>2.00 mm, 11.5%) >(0.21-0.50 mm, 7.5%) >(0.10-0.20 mm, 3.5%). TOC was mainly present in larger particles (particle size of > 0.50 mm), accounting for about 70% of the total TOC of fresh cow manure. TN, TP and TK mainly existed in smaller particles (particle size of ≤0.1 mm), accounted for 44.4%, 50.1% and 67.3% of the total TN, TP and TK, respectively. The C/N of solid fraction after solid-liquid separation was higher.

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备注/Memo

备注/Memo:
收稿日期:2019-04-30 基金项目:江苏省现代农业重点及面上项目(BE2017363);江苏省农业科技自主创新基金项目[CX(17)1005];江苏现代农业产业技术体系建设专项基金项目(JATS
[2018]270) 作者简介:李冰青(1995-),女,江西吉安人,硕士研究生,主要研究方向为养殖废弃物资源化。(E-mail)1203935229@qq.com 通讯作者:靳红梅,(Tel)025-84390238;(E-mail)hmjin@jaas.ac.cn
更新日期/Last Update: 2020-01-09