Fertilizers

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Nitrogen Fertilizers

Inorganic fertilizer that contains nitrogen

Publications

Understanding Fertilizers and Soil Amendments

Niguss Solomon Hailegnaw, Guodong Liu, and Y. C. Li

Choosing the right fertilizer/amendment type (organic or inorganic/synthetic) can impact soil health, plant vigor, environmental sustainability, and overall farm profitability. This guide provides a comparison of organic fertilizers/amendments and inorganic/synthetic fertilizers/amendments, covering their differences, advantages, disadvantages, and impacts on soil to aid growers in making informed decisions. Written by Niguss Solomon Hailegnaw, Guodong Liu, and Y. C. Li, and published by the UF/IFAS Department of Agronomy, October 2025.

Sustainable Nitrogen in Livestock Systems: Forage Legumes vs. N Fertilizers

Kevin Roger Trumpp, Kalyn Waters, José Dubeux, and Cleber Henrique Lopes de Souza

Nitrogen (N) is a key element in promoting plant and livestock growth and production. The two major ways to add N in pastures are fertilizer and integrating N-fixing forage legumes. The purpose of this publication is to compare these two options for cattle producers, farmers, Extension agents, and policymakers. Written by Kevin Roger Trumpp, Kalyn Waters, José Dubeux, and Cleber Henrique Lopes de Souza, and published by the UF/IFAS Department of Agronomy, February 2025.

Fertilizers

Narrower Topics

Nitrogen Fertilizers

Publications

Understanding Fertilizers and Soil Amendments

Sustainable Nitrogen in Livestock Systems: Forage Legumes vs. N Fertilizers

Answers to Fertilizing Lawns

Be Patient When Fertilizing Spring Lawns

What’s New on Ask IFAS: Soil, Water, and Ecosystem Sciences (Jan.–Feb. 2026)