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All Journal KOVALEN: Jurnal Riset Kimia Jurnal Ilmu Peternakan Terapan
Abner Tonu Lema
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Immunology & microbiology Veterinary

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Kandungan Mineral Arbila (Phaseulus lunatus L.) Sebagai Pakan Pada Tanah Vertisol dengan Penambahan Bokashi Berbahan Chromolaena odorata dan Feses Sapi Agrifina Risti Tae; Bernadete Barek Konten; Agustinus Semang; Redempta Wea; Abner Tonu Lema
Jurnal Ilmu Peternakan Terapan Vol 2 No 2 (2019): Jurnal Ilmu Peternakan Terapan
Publisher : Politeknik Negeri Jember

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Abstract

This study aimed to evaluate the mineral content of arbila for the administration of bokashi based on Chromolaena odorata and faeces on the advertisol soil. Field trials had been carried out for 5 months in the villange of Noelbaki, and analysis of this plant in the Food Chemistry Laboratory Hassanuddin University, Makassar. This study was designed based on a complete randomized design (CDR) with 5 treatments, and 4 replications. Plants were planted on the advertiser soil in polybags. The treatments were the level of organic fertilizer (bokashi) i.e. B0=without bokashi B10=10 ton/Ha, B20=20 ton/Ha, B30=30 ton/Ha, B40=40 ton/Ha. Bokashi level was changed to polybag as followed, B0=without treatment, B10=75 g/polybag, B20=150 g/polybag, B30=225 g/polybag, B40=300 g/polybag. The variables observed the mineral content of calcium, phosphorus and magnesium. Bokashi level had a very significant effect on phosphorus and magnesium content, but had not a significant effect on calsium content. The percentage of calsium content was 0.75%, and the average of each treatments were B0 and B10=0.56%, B20=0.58%, B30=0.61%, B40=0.55%. The average of phosphorus content for each treatments were B0=0.15%, B10=0.21%, B20=0.18%, B30=0.16%, and B40=0.23%. The average of magnesium content for each treatments were B0=0.15%, B10=0.18%, B20=0.27%, B30=0.32%, and B40=0.37%. It was concluded that the levels of organic fertilizer (bokashi) had a significant effect on the percentage of phosphorus and magnesium but did not have a significant effect on the calcium content of arbila forage.
Optimization and Kinetic Study of Ende-Natural Zeolite as Candidates of Ammonia Adsorbent on Broiler Chicken Litter Abner Tonu Lema; Cytske Sabuna; Yehezkial Wila Balu
KOVALEN: Jurnal Riset Kimia Vol. 8 No. 2 (2022): August Edition
Publisher : Chemistry Department, Mathematics and Natural Science Faculty, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/kovalen.2022.v8.i2.15914

Abstract

Zeolite Natural Ende (ZNE) is a local material from Ende, East Nusa Tenggara which can be used as an adsorbent candidate to reduce environmental pollution due to poultry farm wastes. The purpose of this study is to obtain optimal conditions and adsorption kinetics of ZNE as an adsorbent in terms of absorbing NH3, water content, and neutralizing pH on broiler litter. This study consisted of 3 stages such as sample preparation, optimization of acid concentration, particle size, contact time, adsorbate concentration, as well as determination of ZNE-methylene blue adsorption kinetics. The results of the analysis revealed that the best conditions are using 1 M H2SO4, particle size 80 mesh, contact time for 30 minutes with an adsorption capacity of 1.999 mg/g, and methylene blue 80 ppm as an optimal condition. Furthermore, ZNE-methylene blue adsorption kinetics model is the second order type 1 kinetics by R2 = 1, and also adsorption rate constant is 0.0019 g.mg-1.min
Co-Authors Agrifina Risti Tae Agustinus Semang Bernadete Barek Konten Redempta Wea Sabuna, Cytske Yehezkial Wila Balu