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L Limbongan, Yusuf
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The Effect of Reeds and Washed Rice Water on The Growth and Production of White Oyster Mushroom (Pleurotus Ostreatus) L Limbongan, Yusuf
Journal of World Science Vol. 2 No. 5 (2023): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v2i5.288

Abstract

This study aims to determine the effect of reeds as a planting medium and washed rice water on the growth and production of white oyster mushroom. The research was conducted in April-July 2021 in Polopadang, Kapala Pitu District, North Toraja Regency.The research was carried out in the form of a factorial experiment with 2 different factors arranged in a randomized block design (RBD), namely: As the treatment used Imperata and washed rice water. Imperata (reeds) as 1st factor consists of three treatment levels, namely R0 = control, R1 = 10% Reeds, R2 = 20% reeds, while washed rice water as 2nd factor consists of five treatment levels, namely W0 = control, W1 = 10 ml of washed rice water, W2 = 20 ml of washed rice water, W3 = 30 washed rice water, W4 = 40 ml of washed rice water. The results showed that the treatment of 10% Imperata (L1) and 10 ml water leri (L2) gave the best results on the growth and production of white oyster mushrooms in this case, namely: number of mushroom pin head, fresh fruit body weight, and mushroom diameter.  Number of pin head and diameter of mushroom hood have a positive and significant correlation to weight of mushroom, each with a correlation coefficient 0.799 and 0.807. This research implies that the use of reeds and rice washing water in the cultivation of white oyster mushrooms has promising potential. This combination can promote mold growth, reduce production costs, and contribute to financial sustainability.
Response of Shallots (Allium Ascalonicum L.) To Azolla Pinnata Bokashi and NPK Fertilizer L Limbongan, Yusuf; A Limbongan, Amelia
Journal of World Science Vol. 5 No. 3 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i3.1647

Abstract

Background: Shallot (Allium ascalonicum L.) is a high-value vegetable commodity in Indonesia, but its productivity remains low, particularly in North Toraja Regency. The use of organic fertilizers such as Azolla pinnata bokashi combined with inorganic NPK fertilizer offers potential for improving shallot growth and production through integrated nutrient management. Objective: This study aims to determine the response of shallot plants to the application of Azolla pinnata bokashi and NPK fertilizer. Method: A factorial experiment arranged in a randomized block design was conducted from May to August 2022. Treatments included three levels of A. pinnata bokashi (control, 30 tons/ha, 50 tons/ha) and three levels of NPK fertilizer (control, 250 kg/ha, 350 kg/ha). Data were analyzed using ANOVA and orthogonal polynomial methods. Results: The results showed that the application of 50 tons/ha A. pinnata bokashi gave the best results for all observed variables. The application of 350 kg/ha NPK fertilizer also produced the best growth and production. The interaction between 50 tons/ha A. pinnata bokashi and 350 kg/ha NPK fertilizer was the best combination treatment, significantly increasing plant height, number of bulbs, and bulb weight compared to other treatments. The response of shallot plants to the application of A. pinnata bokashi and NPK fertilizers was linear. Conclusion: The combination of 50 tons/ha A. pinnata bokashi and 350 kg/ha NPK fertilizer is recommended for optimizing shallot growth and production in highland areas. The integrated use of organic and inorganic fertilizers can improve shallot productivity through synergistic effects on plant growth parameters.
Co-Authors A Limbongan, Amelia