| Effects of irrigation with piggery waste water on the nitrogen distribution in the soil summer maize system |
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| DOI：10.7606/j.issn.1000-7601.2010.01.09 |
| Key Words: piggery waste water soil summer maize NO3--N NH4+-N yield plant nitrogen uptake |
| Author Name | Affiliation | | BAI Lijing | Institute of Agro-environmental Protection, Ministry of Agriculture of China, Tianjin 300191, China | | WANG Feng | Institute of Agro-environmental Protection, Ministry of Agriculture of China, Tianjin 300191, China | | ZHANG Keqiang | Institute of Agro-environmental Protection, Ministry of Agriculture of China, Tianjin 300191, China | | HUANG Zhiping | Institute of Agro-environmental Protection, Ministry of Agriculture of China, Tianjin 300191, China | | YANG Jun | Institute of Agro-environmental Protection, Ministry of Agriculture of China, Tianjin 300191, China | | LI Xiaoguang | Institute of Agro-environmental Protection, Ministry of Agriculture of China, Tianjin 300191, China | | ZHANG Jinfeng | Institute of Agro-environmental Protection, Ministry of Agriculture of China, Tianjin 300191, China |
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| Abstract: |
| Piggery waste water is one of the main waste water resources for agricultural irrigation. A field experiment was conducted to investigate the effects of irrigation using different quotas of anaerobic waste wate
r, as well as different mixed solutions at the ratio of 1∶5 with piggery waste water at the treatment stages in waste water treatment technology at the pigggery and underground water on the content of nitrate nitrogen and ammonia nitrogen in the soil, yield and plant nitrogen uptake of summer maize. The results showed that 1) The quota of anaerobic waste water had significant effect on the content of nitrate nitrogen and ammonia nitrogen in the soil, while different treatment stages of piggery waste water irrigation have little effect on the content of nitrate nitrogen and ammonia nitrogen in the soil; 2) the yield under different quota of anaerobic waste water irrigation followed by: medium quota>high quota>low quota, and the yield under Tori∶gw1∶5 treatment is higher compared wi
th other treatment stages of piggery waste water irrigation; 3) the content of protein in the grain is the highest under the Teco:gw1:5 treatment. Therefore, it was suggested that appropriate irrigation quota of anaerobic waste water was 500 m3/hm2, appropriate mixed waste water for irrigation was eco-pond: groundwater 1∶5. |
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