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| Characteristics of biogas slurry infiltration and nitrogen and phosphorus transfer in sandy loam tank |
| Received:April 14, 2022 |
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| KeyWord:biogas slurry;infiltration rate;accumulation infiltration amount;lateral transfer;vertical transfer |
| Author Name | Affiliation | E-mail | | SUN Guofeng | Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
Key Laboratory for Crop and Animal Integrated Farming, Ministry of Agriculture and Rural Affairs, Nanjing 210014, China | | | ZONG Jiao | Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China | | | SHENG Jing | Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
Key Laboratory for Crop and Animal Integrated Farming, Ministry of Agriculture and Rural Affairs, Nanjing 210014, China | nkysj@hotmail.com | | ZHOU Wei | Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China | | | ZHANG Liping | Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
Key Laboratory for Crop and Animal Integrated Farming, Ministry of Agriculture and Rural Affairs, Nanjing 210014, China | | | WANG Zichen | Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
Key Laboratory for Crop and Animal Integrated Farming, Ministry of Agriculture and Rural Affairs, Nanjing 210014, China | |
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| Abstract: |
| This study aimed to investigate the infiltration rate of pig farm biogas slurry in sandy loam storage tanks and the influencing elements, as well as nitrogen and phosphorus transfer characteristics. Intermittent water supply, biogas slurry（BS）, water（W）, and 1 / 3 BS + 2 / 3 water（1 / 3BS）were employed to study the infiltration rate, accumulation infiltration amount, and the lateral and vertical transfer characteristics of nitrogen and phosphorus in three storage periods. The findings revealed that the infiltration rate and accumulation infiltration amount followed the rule of BS<1/3BS |
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