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NC State Extension

Nutrient Management

Nitrogen Fertilization

phosphorus deficiency on wheatNitrogen Management for Small Grains
Is Early Nitrogen Needed? Tiller Counting Video
How to determine tiller density to time spring nitrogen applications.

Managing Macro & Micronutrients

Lime, Phosphorus, Potassium, Calcium, Magnesium, Sulfur, Copper, Boron, Iron, Manganese, and Zinc Management for Small Grains

Fertilizer Additives

Alternative Synthetic N Fertilizer Products for Row Crops
Report on Agrotain, NutriSphere, Environmentally Smart Nitrogen (ESN), Urea formaldehyde polymer, Urea-2820, and YaraLiva UCAN-23.

Research Reports on Many Fertilizer Additives