Open AccessUtilization of Compost as ameliorant in a Nickel post mining soil
Author(s) -
A Zaeni,
Alwahab,
Hasmawati,
S Hade,
Irnawati Irnawati,
Prima Endang Susilowati
Publication year - 2021
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1899/1/012031
Subject(s) - compost , nickel , environmental chemistry , soil test , environmental science , humic acid , chemistry , fertilizer , agronomy , soil water , soil science , biology , organic chemistry
Southeast Sulawesi is one of the nickel producing regions. Nickel mining activities in addition to positive impacts can also have negative impacts such as decrease of soil and increased of accumulation of heavy metals in the soil. Therefore, couple solutions are needed to improve the quality of nickel mining soil, one of those is by providing soil amendments. The material that used in this research is compost. Compost fertilizer contains humic acid which has cation exchange ability so that it can be useful for remediating the nickel post-mining area. The research used a complete randomized design method by variating the ratio of compost to nickel post-mining soil. The method steps consisting of (1) Analysis of post-mining soil sample (2) Analysis of compost-mixed mining soil sample. The results showed that the best treatment was the 17% addition of compost to nickel post-mining sample which characterized by changes in soil characteristics, such as pH value 6.68 to 7.17 (neutral) ; C-organic content 2.01% to 3.69% (high); N-total 0.19% to 0.21% (moderate); P 2 O 5 21.77 mg /100g to 25.03 mg/100g (moderate); K 2 O 15.13 to 17.77 (low); and nickel content of 1194.66 ppm to 988.86 ppm. Despite a decrease of nickel content in the soil, its level is still hazardous in term of human health.