Impact of Fertilizers on Fish Growth: Balancing Agricultural Needs and Aquatic Health

Author(s)	Dr. Namrata Shrivastava
Country	India
Abstract	Fertilizers are essential for enhancing agricultural productivity, but their excessive or mismanaged use poses serious risks to aquatic ecosystems, particularly fish health and growth. This paper explores both the positive and negative impacts of fertilizers on fish, drawing on examples from Indian agriculture and aquaculture. While controlled fertilization in fish ponds can promote the growth of phytoplankton and natural feed, fertilizer runoff into open water bodies often leads to eutrophication, oxygen depletion, and toxic conditions that hinder fish development and survival. Case studies from Indian institutions such as ICAR-CIFA and CIFRI highlight the ecological consequences of unchecked nutrient pollution. The paper concludes with recommendations for sustainable agricultural and aquaculture practices, including buffer zones, precision farming, and farmer education, to strike a balance between food security and aquatic health.
Keywords	Fertilizer runoff, Fish growth, Eutrophication, Aquaculture, Nutrient pollution, Water quality, Ammonia toxicity, Sustainable agriculture, Integrated farming, India
Field	Biology > Agriculture / Botany
Published In	Volume 16, Issue 3, July-September 2025
Published On	2025-07-03
DOI	https://doi.org/10.71097/IJSAT.v16.i3.6539
Short DOI	https://doi.org/g9r8g5

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