Fertilizers

The top 3 fertilizers used in agriculture are urea, DAP (diammonium phosphate) and NPK. Urea feeds plants nitrogen. DAP feeds them phosphorus, with a bit of nitrogen. NPK gives them nitrogen, phosphorus and potassium in one bag. Which one you need depends on three things: what your soil is missing, what you are growing, and

The biggest fertilizer suppliers in the USA include CF Industries and Koch Fertilizer for nitrogen, Mosaic for phosphate and potash, and Nutrien, which produces and retails all three nutrients. Farm cooperatives such as CHS and Southern States, and many regional retailers, deliver fertilizer to farms. The US produces a lot of nitrogen and phosphate, but

There is no single best fertilizer for agriculture. The best fertilizer is the one that supplies what your soil is missing for the crop you are growing. For most field crops, that means a nitrogen source such as urea, plus phosphorus and potassium from DAP, MOP or an NPK, guided by a soil test. Organic

Fertilizers fall into two broad groups: organic and inorganic. Organic fertilizers come from plants and animals, such as manure, compost and bone meal. Inorganic, or mineral, fertilizers are manufactured or mined, such as urea, DAP and potash. Inorganic fertilizers are then grouped by the nutrient they supply: nitrogen, phosphorus, potassium, or a mix. Knowing the

Buying fertilizer in bulk is a trade transaction, not a shopping trip. For importers, distributors, cooperatives and large farms, the price per tonne matters, but so do the specification, delivery terms, payment security and inspection. Getting those right protects you from poor quality, late shipments and fraud. This guide walks through how a bulk fertilizer