PRATAMA, AMSYAH (2022) PENGARUH PRAKTIK PERTANIAN ORGANIK DAN SEMI ORGANIK TERHADAP BEBERAPA SIFAT TANAH DI LERENG SELATAN GUNUNG MERAPI. Other thesis, UPN 'Veteran" Yogyakarta.
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Abstract
PENGARUH PRAKTIK PERTANIAN ORGANIK DAN SEMI ORGANIK TERHADAP
BEBERAPA SIFAT TANAH DI LERENG SELATAN GUNUNG MERAPI
Oleh: Amsyah Pratama
Dibimbing oleh Miseri Roeslan Afany dan Muhamad Kundarto
ABSTRAK
Aktivitas vulkanik memberikan kesuburan bagi lahan di lereng Merapi. Muntahan material dari
erupsi Merapi mengandung banyak unsur hara. Kesuburan wilayah Merapi dimanfaatkan
masyarakat lereng Merapi untuk menanam tanaman sayuran dan buah-buahan. Praktik pertanian
yang dilakukan di lereng Merapi khususnya di lereng selatan Merapi umumnya berupa praktik
pertanian semi organik, namun ada beberapa lahan yang praktik pertanian organik. Penelitian ini
bertujuan untuk mengetahui pengaruh praktik pertanian organik dan semi organik terhadap
beberapa sifat tanah di lereng selatan Gunung Merapi. Penelitian ini menggunakan metode survei,
metode survei dilakukan untuk mengetahui kondisi wilayah penelitian. Lokasi penelitian pada
praktik pertanian organik di Tani Organik Merapi (TOM), praktik pertanian semi organik 1 di
Indmira dan praktik pertanian semi organik 2 di UPTD BP3MBTP Ngipiksari. Penentuan titik
sampel dilakukan secara purposive berdasarkan praktik pertaniannya. Titik sampel pada praktik
pertanian organik, semi organik 1 dan 2 sebanyak 9 titik sampel. Setelah itu dianalisis BV tanah,
pH tanah, C-organik, KPK tanah, residu pestisida pada tanaman, ketersediaan hara N, P, K dan
jumlah bakteri di dalam tanah. Hasil penelitian ini menunjukkan bahwa praktik pertanian organik
mempunyai BV tanah 1,2 g/cm3
, pH tanah 7,36, KPK tanah 11,24 cmol(+)kg-1
, N tersedia 68,91
ppm, P tersedia 173 ppm, K tersedia 159 ppm, C-organik 2,06 %, jumlah bakteri 7,5 × 105
CFU/gram dan tidak ada residu pestisida di tanaman. Praktik pertanian semi organik 1 mempunyai
BV tanah 1,18 g/cm3
, pH tanah 7, KPK tanah 9,13 cmol(+)kg-1
, N tersedia 65,74 ppm, P tersedia
96,6 ppm, K tersedia 62,33 ppm, C-organik 2,22 %, jumlah bakteri 1,65 × 104 CFU/gram dan
residu pestisida di tanaman methodation 0,109 ppm dan cypermenthrin 0,0992 ppm. Praktik
pertanian semi organik 2 mempunyai BV tanah 1,12 g/cm3
, pH tanah 6,84, KPK tanah 7,87
cmol(+)kg-1
, N tersedia 88,24 ppm, P tersedia 584 ppm, K tersedia 167 ppm, C-organik 2,43 %,
jumlah bakteri 1,11 × 104 CFU/gram dan residu pestisida di tanaman cypermenthrin 0,4008 ppm.
Praktik pertanian organik dapat meningkatkan pH tanah, KPK dan jumlah bakteri. Praktik
pertanian organik tidak menggunakan pestisida sedangkan praktik pertanian semi organik
menggunakan pestisida.
Kata kunci: organik, semi organik, sifat tanah.
THE INFLUENCE OF ORGANIC AND SEMI-ORGANIC FARMING PRACTICES ON
SOME SOIL PROPERTIES ON THE SOUTHERN SLOPES OF MOUNT MERAPI
By: Amsyah Pratama
Supervised by: Miseri Roeslan Afany and Muhamad Kundarto
ABSTRACT
Volcanic activity provides fertility for the land on the slopes of Merapi. The material from the
eruption of Merapi contains many nutrients. The fertility of the Merapi area is used by the people
on the slopes of Merapi to grow vegetable and fruit crops. Agricultural practices carried out on the
slopes of Merapi, especially on the southern slopes of Merapi, are generally in the form of semi�organic farming practices, but there are some lands that are organic farming practices. This study
aims to determine the influence of organic and semi-organic farming practices on several soil
properties on the southern slopes of Mount Merapi. This research uses a survey method, the survey
method is carried out to find out the condition of the research area. Research locations on organic
farming practices in Tani Organik Merapi (TOM), semi-organic farming practices 1 in Indmira
and semi-organic farming practices 2 at UPTD BP3MBTP Ngipiksari. Determination of sample
points is carried out purposively based on their agricultural practices. Sample points in organic
farming practices, semi-organic 1 and 2 as many as 9 sample points. After that, the soil BV, soil
pH, C-organic, soil CEC, pesticide residues in plants, availability of N, P, K nutrients and the
number of bacteria in the soil were analyzed. The results of this study showed that organic farming
practices have a soil BV of 1,2 g / cm3
, soil pH of 7,36, soil KPK of 11,24 cmol(+)kg-1, N available
68,91 ppm, P available 173 ppm, K available 159 ppm, C-organic 2,06 %, the number of bacteria
7,5 × 105 CFU / gram and no pesticide residues in plants. Semi-organic agricultural practices 1
have a soil BV of 1,18 g/cm3
, soil pH 7, soil CEC 9,13 cmol(+)kg-1, N available 65,74 ppm, P
available 96,6 ppm, K available 62,33 ppm, C-organic 2,22%, bacterial count 1,65×104 CFU/gram
and pesticide residues in methodation plants 0,109 ppm and cypermenthrin 0,0992 ppm. Semi�organic agricultural practices 2 have a soil BV of 1,12 g/cm3
, soil pH of 6,84, soil CEC of 7,87
cmol(+)kg-1, N available of 88,24 ppm, P available 584 ppm, K available 167 ppm, C-organic
2,43%, number of bacteria 1,11×104 CFU/gram and pesticide residues in cypermenthrin plants
0,4008 ppm. Organic farming practices can increase soil pH, CEC and the number of bacteria.
Organic farming practices do not use pesticides while semi-organic farming practices use
pesticides.
Keywords: organic, semi-organic, soil properties.
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | organic, semi-organic, soil properties. |
| Subjects: | S Agriculture > SB Plant culture |
| Divisions: | Faculty of Medicine, Health and Life Sciences > School of Biological Sciences |
| Depositing User: | Eko Yuli |
| Date Deposited: | 14 Nov 2022 02:50 |
| Last Modified: | 14 Nov 2022 02:50 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/31590 |
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