HERLAMBANG, Susila (2014) PEMANFAATAN LIMBAH ORGANIK SEGAR DAN LIMBAH PENGALENGAN NENAS SEBAGAI BAHAN PEMBENAH TANAH UNTUK MENINGKATKAN KANDUNGAN C PADA PERKEBUNAN NENAS. Doctoral thesis, UNIVERSITAS GADJAH MADA.
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Abstract
The management of fresh organic waste and pineapple canning waste is an alternative in improving soil fertility and overcoming the problem of overproduction of waste in pineapple plantations. Waste materials as ameliorant as soil ameliorants function as a source of organic-C and plant nutrients. The aims of the study are: (1) To investigate the effect of the composition and the depht of the placement of organic waste on the carbon content in the Ultisol of pineapple plantations. (2) To find technology of application on organic matter with decomposition without a composting process and to produce soil nutrients. The materials used in the research are fresh organic waste products: chopper pineapple crops, cattle manure, and cassava waste, and pineapple canning waste products: pineapple pump waste (bromelin) and pineapple mill juice. The waste material as an ameliorant is given without composting process but by using the technique of mixing a composite of various fresh organic waste products, which are treated by mixing then evenly at varying thickness in the soil (0–15 cm, 0–30 cm and 0–45 cm). The study was conducted in three stages: (1) Characterization of soil, fresh organic waste and pineapple canning waste. (2) Testing of the quality of the combination of fresh organic waste and pineapple canning waste on the pots measuring 165 cm x 165 cm, 55 cm in height with a lysimeter system (open and closed), using a complete randomized design of three factors. (3) Testing of the application of the best treatment on the demplot farming using a complete randomized block design of two factors. The results showed that the application of fresh organic waste material with the techniques of mixing them evenly at the thickness of 0–15 cm, 0–30 cm, and 0–45 cm in the lysimeter system is an effective method in the decomposition of fresh organic waste and the improvement of soil fertility. The treatment with chopper of pineapple crops of 200 ton ha -1 + decomposed cassava waste of 40 ton ha -1 + pineapple pump waste (bromelin) of 40 ton ha -1 + pineapple mill juice of 2 ton ha -1 + fluid cattle manure of 2 ton ha -1 using the technique of mixing them in the soil at a thickness of 0-30 cm and decomosing them for three months was the best treatment and able to organic provide C content of 1.67%, C/N ratio of 10.94, soil pH 5.60 and cation exchange capasity (CEC) of 10.57 cmol(+) kg -1 . The application of fresh organic waste and pineapples canning waste by mixing them xx in the soil was able to provide sufficient nutrition after decomposition for three months so that the soil was ready to be planted with pineapple. The technology of applying a composite of fresh organic waste products by mixing them at a thickness of 0–30 cm in the soil was the best technique of speeding up the decomposition process and overcoming the problem of excessive waste production. Key words : Organic-C, decomposition, soil fertility, fresh organic waste, and Ultisol.
| Item Type: | Thesis (Doctoral) |
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| Subjects: | S Agriculture > S Agriculture (General) |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Civil Engineering and the Environment |
| Depositing User: | susila herlambang |
| Date Deposited: | 31 Oct 2017 02:20 |
| Last Modified: | 31 Oct 2017 02:20 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/13588 |
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