The Use of Crushed Mussel (Perna Viridis) Shells and Chicken’s (Gallus Gallus Domesticus) Eggshells as a Soil Amendment to Reduce Acidity and Enhance the Growth of Pechay (Brassica Rapa Subsp. Chinensis)

Febe Anne Ilustre Pasion; Wendyl Malimbasao Aligato; Haru Dano Sugimoto`; Pauleen Jaudian Tambilawan; Eloisa Tambilawan Durico; Demsir Hugo Paciencia Bulaong; Rathaj Reem Lumba Silatan; Jirah Marrie Ferrando Ambasan

doi:10.36948/ijfmr.2026.v08i02.70740

The Use of Crushed Mussel (Perna Viridis) Shells and Chicken’s (Gallus Gallus Domesticus) Eggshells as a Soil Amendment to Reduce Acidity and Enhance the Growth of Pechay (Brassica Rapa Subsp. Chinensis)

Author(s)	Ms. Febe Anne Ilustre Pasion, Mr. Wendyl Malimbasao Aligato, Mr. Haru Dano Sugimoto`, Ms. Pauleen Jaudian Tambilawan, Ms. Eloisa Tambilawan Durico, Mr. Demsir Hugo Paciencia Bulaong, Ms. Rathaj Reem Lumba Silatan, Ms. Jirah Marrie Ferrando Ambasan
Country	Philippines
Abstract	This study is to determine the effectiveness of crushed mussel (Perna viridis) shells and chicken’s (Gallus gallus domesticus) eggshells as natural soil amendments in reducing acidity and enhancing the growth of pechay (Brassica rapa subsp. chinensis). The methodology used was a six-week greenhouse experiment employing a completely randomized design with treatments consisting of distilled water only, commercial lime, and varying shell powder concentrations (5%, 10%, and 15%). Research findings and interpretation revealed that soils treated with shell powders showed increased pH levels and improved plant growth compared to distilled water, with the 10% and 15% treatments performing similarly to commercial lime in terms of plant height, biomass, and leaf development. The conclusion drawn is that crushed mussel shells and chicken eggshells are viable, eco-friendly, and low-cost alternatives to commercial lime in reducing soil acidity and enhancing pechay growth, though further studies are recommended to assess long-term impacts and scalability in larger farming systems.
Keywords	Amendment, Mussel Shells, Eggshells, Pechay, Soil Acidity, Soil pH
Field	Biology > Agriculture / Botany
Published In	Volume 8, Issue 2, March-April 2026
Published On	2026-03-10
DOI	https://doi.org/10.36948/ijfmr.2026.v08i02.70740

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The Use of Crushed Mussel (Perna Viridis) Shells and Chicken’s (Gallus Gallus Domesticus) Eggshells as a Soil Amendment to Reduce Acidity and Enhance the Growth of Pechay (Brassica Rapa Subsp. Chinensis)

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