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Sangadji, Zulkarnaen
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Environmental Science

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Sengon Biomass Carbon Stock in Tradisonal Agroforestry land Tipe; Climate Change Implication Ohorella, Syarif; Febriadi, Ihsan; Sangadji, Zulkarnaen
Agrikan Jurnal Agribisnis Perikanan Vol 15 No 2 (2022): Agrikan: Jurnal Agribisnis Perikanan
Publisher : Fakultas Pertanian, Universitas Muhammadiyah Maluku Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52046/agrikan.v15i2.1380

Abstract

This research was conducted on agroforestry land in Kampung Della, Selemkay District, Tambrauw Regency, West Papua. The research objectives were (1) to estimate the biomass and carbon stored potential of sengon stands and (2) to determine the allometric equation of biomass to estimate the carbon stored potential of sengon stands on agroforestry land types. Biomass measurements were carried out using the destructive method on 2 sample trees with a diameter of 32 cm and 12 cm. The components of biomass measured were the above ground biomass, namely stems, branches, twigs and leaves. Laboratory tests were carried out to determine the dry weight of the biomass. From these results an allometric model was created to estimate carbon stocks. The best equation was chosen using regression analysis based on the highest R-Sq value. The results of research on sengon stands showed that there were differences in the carbon content of tree parts (stems, branches, twigs and leaves). The highest carbon content is in the stem and the smallest in the leaves. The total carbon content is 0.3091 ton C/ha. The selected biomass estimation model for sengon stands on the stem section was W = 0.762 D 1.288, the branch section was W = 0.075 D 1.549, the twig section was W = 0.011 D 1.948 and the leaf section was W = -5.379 + 0.485 D. Meanwhile the model selected for total biomass is W = 0.623 D 1.471.
Increasing the Yield of Green Mustard (Brassica juncea L.) by Using a Dose of Goat Manure Tricho POC Fertiliser Ohorella, Zainuddin; Maruapey, Ajang; Sangadji, Zulkarnaen; Ulima, Nurida
Agrikan Jurnal Agribisnis Perikanan Vol 16 No 2 (2023): Agrikan: Jurnal Agribisnis Perikanan
Publisher : Fakultas Pertanian, Universitas Muhammadiyah Maluku Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52046/agrikan.v16i2.1887

Abstract

One type of vegetable commodity is very popular with the people of Indonesia, namely mustard greens (Brassica juncea L.) because it has a number of minerals, vitamins, carbohydrates and vegetable proteins that are beneficial to the health of the human body. Green mustard production is relatively good and has a relatively short harvest age of 40-50 days, so it is very feasible to be cultivated in a competitive cultivation system because it has good market opportunities so that it can provide adequate benefits in increasing farmers' income. The research was conducted in July-September 2023 using RAK with 5 treatment levels of goat manure Tricho POC organic fertiliser dosage. K0 = without using Tricho POC goat manure fertiliser (control), K1 = Tricho POC goat manure 5 ml/litre water, K2 = Tricho POC goat manure 10 ml/litre water, K3 = Tricho POC goat manure 15 ml/litre water, K4 = Tricho POC goat manure 20 ml/litre water. A dose of 20 ml/litre of tricho POC goat manure water, is the best dose treatment in increasing the growth and yield of green mustard plants.
Co-Authors Maruapey, Ajang Ohorella, Zainuddin Syarif Ohorella Ulima, Nurida