Dhiningrum, Gusvia Kusuma (2023) Bioremediasi Lahan Tercemar Pestisida Dengan Cara Pengomposan Di Perkebunan Apel Batu. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
The use of intensive synthetic pesticides that are not procedural and effec-tive by apple farmers in Batu City has become common. An alternative treatment that can be done is to utilize the activity of microorganisms to degrade these pesti-cides, which is called bioremediation. Preliminary research was conducted to de-termine the quality of pesticide-contaminated soil by varying the C/N ratio and water content. The mixed of them was based on C/N ratio 30, 35 and 40. The C/N 30 treatment showed the lowest residue concentration compared to the C/N ratios of 35 and 40. The C/N 30 treatment consisted of soil, cow dung, organic matter residue, and sawdust. The reduction in pesticide residues (99%) was higher than the control and treatment, with a C/N ratio of 40. The variation in the C/N ratio in the bioremediation process affected the pesticide's degradation rate. Pesticide res-idues in the control, C/N 40, C/N 35, and C/N 30, respectively, decreased in con-centration during the 28 days of the composting process as follows: 48.3%, 86.2%, 89.7%, and 99.3%. Based on these results, the C/N 30 treatment had the highest pesticide degradation rate. The results of testing the growth of the popula-tion or colony of microorganisms showed that the increase in the number of colo-nies of microorganisms and the activity of microorganisms was followed by a de-crease in pesticide residues. The reduction in pesticide residues at C/N 30 was 98%, this result showed a higher value compared to the control, C/N 40, and C/N 35.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | S Agriculture > S Agriculture (General) > S590-599.9 Soils. Soil science | ||||||||
| Divisions: | Faculty of Engineering > Departement of Environmental Engineering | ||||||||
| Depositing User: | Gusvia GUSVIA DHININGRUM | ||||||||
| Date Deposited: | 31 May 2023 02:01 | ||||||||
| Last Modified: | 31 May 2023 02:01 | ||||||||
| URI: | http://repository.upnjatim.ac.id/id/eprint/13753 |
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