Abstract:
Plants require nutrients in order to grow. One method is to provide organic fertilizer in the form
of compost. rice straw, Oil Palm Empty Fruit Bunch (OPEFB), and sugarcane bagasse can all be
used as compost material. The purpose of this study is to see how different types of agricultural
waste compost affect the population of beneficial bacteria such as Azotobacter sp., Azospirillum
sp., and Phosphate Solubilizing Bacteria (PSB) on maize planting media in Jatinangor. The study
was carried out at the screen house of Ciparanje Experimental Garden in Jatinangor District,
utilizing a Randomized Block Design with 9 treatments and three replications. The treatments
included a control (no treatment) and three dose levels (5 tons.ha-1, 10 tons.ha-1, and 15 tons.ha1) of each type of compost (oil palm empty fruit bunch, sugarcane bagasse, and rice straw). The
findings revealed that the use of various types of agricultural waste compost influenced the
population of Azotobacter sp., Azospirillum sp., and PSB. When compared to the compost
treatment of rice straw and bagasse, the application of OPEFB compost at a dose of 15 tons.ha-1
produced a greater population of Azotobacter sp. 106.43 x 107 cfu.g-1. While the population of
Azospirillum sp. increased by 2.20 x 107 cfu.g-1 as a result of the 15 tons.ha-1 compost of
OPEFB, the effect was similar to that of rice straw and bagasse compost. PSB population
increased at 15 tons.ha-1 of rice straw compost to 3.73 x 104 cfu.g-1 but not different from 15
tons.ha-1 of OPEFB compost. Compost can be used as an environmentally friendly fertilizing
alternative to enhance the population of beneficial bacteria in corn growth media and increasing
nutrient availability for plants. |
