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Ohorella, Zainuddin
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Environmental Science

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Soil Quality Test from Bokhasi Organic Fertilizer Treatment of Cow Manure on Cayenne Pepper Planting Fields Soekamto, Mira Herawati; Ohorella, Zainuddin; Tabara, Reijeng
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.v15i2.1379

Abstract

Land quality determines and influences agricultural production, but long-term use of chemical fertilizers has degraded land quality. The use of organic fertilizers is a way out to improve soil fertility. Research with bokhasi organic fertilizer treatment of cow dung aims to see how much influence it has on changes in soil chemical properties. Sampling and soil analysis were carried out on soils treated with bokhasi cow dung organic fertilizer at doses of: no treatment (B0), 2 kg/plot (B1), 4 kg/plot (B2), 6 kg/plot (B3) and 8 kg/plot (B4). Soil samples were taken from each treatment and then analyzed based on soil chemical indicators, namely pH, C-Organic, N-Total, P-Total and available, K2O, basic cations, Cation Exchange Capacity and Base Saturation. The results showed that the application of organic fertilizers had no effect on changing the criteria for soil chemical properties for all treatments, namely pH was acidic, C-Organic and Total N had Low status, total P and available P had very high status, K2O had moderate status, Ca2+ moderate status, Mg2+ with high status, K+ and Na+ with low status, cation exchange capacity with medium status and Base Saturation with medium status. Correlation test on the application of organic fertilizer bokasi cow dung gave a positive relationship to pH, C-Organic, N-Total, Cation Exchange Capacity and Base Saturation, meaning that each increase in dose had a significant effect on changes and improvements in soil chemical properties, but available P gave negative relationship.
Identification of Contaminant Fungi for Cocoa Seeds (Theobroma cacao L.) During Storage in the Exporter's Warehouse, Sorong City, Southwest Papua Ohorella, Zainuddin; A. A. Gafur, Muzna.; Paparang, Ria Resti
Agrikan Jurnal Agribisnis Perikanan Vol. 16 No. 1 (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.v16i1.1603

Abstract

The low quality of cocoa beans because they do not meet SNI standards can cause losses for exporters because they are subject to automatic discounting as a result of the product being detained (automatic detention). This problem can affect the competitiveness of Indonesian cocoa in international market trade. Anticipation of the low quality of export cocoa beans really needs to be done to minimize the level of damage to cocoa beans due to contaminant fungal attacks. The types of contaminant fungi that attack cocoa beans are from the genera Aspergillus, Penicillium, Fusarium, Rhizopus and Mucor. The research was conducted from June to August 2022 at the Sorong City Plant Quarantine Laboratory. The study used a qualitative method and took a sample of 0.5 kg of cocoa beans from the top, middle and bottom of the storage sacks in the exporter's warehouse, using a purposive sampling method. The results of the study found 7 types of contaminant fungi and 4 species from the Ascomycetes class which mostly attacked cocoa beans, namely Aspergillus flavus, Aspergillus fumigatus, Aspergillus clavatus and Penicillium sp.
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 A. A. Gafur, Muzna. Hariati, Muji Ijie, John Rivan Maruapey, Ajang Paparang, Ria Resti Sangadji, Zulkarnaen Tabara, Reijeng Ulima, Nurida Wahyudi Wahyudi