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- Title
EFFECT OF DIFFERENT MICROBIAL AGENTS ON CORN STALK COMPOSTING.
- Authors
CHANG, H. Y.; LU, S. F.; HUANG, Z. Y.; LIU, Y. X.; WANG, T. Y.; WANG, C. Y.; LIU, S. X.
- Abstract
This study explored the effects of different microbial agents on corn stalk composting to enable the development of agents suitable for composting corn stalks in cold regions of northern China. Four different microbial treatment groups were established: CK (straw), L (straw + 1% low-temperature bacteria), M (straw + 1% normal-temperature bacteria), LM (straw + 0.5% low-temperature bacteria + 0.5% normal-temperature bacteria), and tests were repeated 3 times for each group. The results show that the temperature of the heap reached 50°C on the second day of the L and LM treatments and reached 50°C on the sixth day of M. CK did not reach 50°C during the entire composting cycle. During the composting process, the seed germination index, the degradation rate of total nitrogen, the total potassium, the total phosphorus, the cellulose, and the hemicellulose degradation rates increased; In contrast, the water content, conductivity, organic carbon and C/N showed a downward trend. The humic acid and fulvic acid contents in each treatment showed a downward trend, while the humic acid and HA/FA increased compared to CK. The conclusion of this experiment provides a theoretical basis for achieving the rapid degradation of straw in the cold regions of northern China.
- Subjects
CHINA; CORNSTALKS; HUMIC acid; COMPOSTING; COLD regions; FULVIC acids; GERMINATION; CORN straw
- Publication
Applied Ecology & Environmental Research, 2020, Vol 18, Issue 3, p4743
- ISSN
1589-1623
- Publication type
Article
- DOI
10.15666/aeer/1803_47434758