Open AccessDensity of microbe as biofertilizer candidate on fibric peat in oil palm plantation area at Kubu Raya District, West Kalimantan
Author(s) -
Siti Khotimah,
Suharjono Suharjono,
Tri Ardyati,
Y. Nurani
Publication year - 2019
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/391/1/012030
Subject(s) - peat , biofertilizer , bacteria , soil fertility , food science , chemistry , botany , horticulture , biology , agronomy , soil water , ecology , genetics
Characteristics of fibric peat are high fiber content and low pH 2-3. The presence of soil bacteria affects the fertility of fibric peat. This study aims to analyze density of soil bacteria in the fibric peat layer in the area of oil palm plantations. Bacteria as biofertilizer candidate were isolated by pour plate method on media Carboxymethylcellulose (CMC), Pikovskaya, Nitrogen fixing bacteria (Nfb), and Tryptic Soy Agar (TSA). Fibric peat at oil palm plantation contain 8.4 x10 5 CFU/g cellulolytic bacteria, 2.86x10 4 MPN/g nitrogen-fixing bacteria, 3, 48 x10 5 CFU/g phosphate solubilizing bacteria, 5, 6 x 10 4 CFU/g cellulolytic fungi and 6.5 x10 5 IAA producing bacteria. Those functional bacteria can be developed as biofertilizer agents to improve the fertility of peat soil.