Manure Use for Alfalfa-Grass Production (7-26-2008)

Lime Guidelines for Field Crops in New York (6-9-2006)

Nitrogen Guidelines for Field Crops in New York (6-22-2003)

Phosphorus Guidelines for Field Crops in New York (6-20-2003)

Potassium Guidelines for Field Crops in New York (6-12-2003)

The New York Phosphorus Index. User's Guide and Documentation (7-8-2003)

The New York Nitrate Leaching Index (4-13-2003)

Pre Sidedress Nitrate Test Refresher (6-4-2008)

Manure and Groundwater Protection Guidelines (5-20-2004)

Supplemental Manure Spreading Guidelines to Reduce Water Contamination Risk During Adverse Weather Conditions (2-19-2005)

Calculator: New York State Nitrogen Recommendations for Corn (6-24-2004)

Calculator: Crop Available Nutrients from Manure (11-28-2005)

Calculator: Crop Available Nitrogen from Plowed Sods (2-15-2004)

Cornell Cropware (1-31-2005)

Disclaimer
This is the official Cornell University College of Agriculture and Life Sciences website for fertility and nutrient management guidelines for field crop. The guidance presented in these documents reflects the current (and past) authors’ best effort to interpret a complex body of scientific research, and to translate this into practical management options. Following the guidance provided in this fact sheet does not assure compliance with any applicable law, rule, regulation or standard, or the achievement of particular discharge levels from agricultural land.

Soil testing provides a means to predict the soil nutrient status before a crop is planted, thereby permitting more efficient use of fertilizer, lime, and manures. A complete soil test, with the appropriate interpretation of the results,