Penn State Agronomy Guide

The Agronomy Guide is the standard agronomic reference for Pennsylvania. The current edition is the official reference for Pennsylvania’s Nutrient Management Program.

The Soil Fertility Management section in the Penn State Agronomy Guide provides essential background information for nutrient management planning in Pennsylvania. Topics addressed include soil testing, fertilizer recommendations, and nutrient requirements for agronomic crops, fertilizer materials, manure nutrient management, and manure spreader calibration.