Agriculture

Soil Based Crop Fertilization

Tom Basden and Ed Rayburn, Extension Specialists
WVU Extension Service, Agriculture and Natural Resources

May 2014

Farmers and gardeners have questions about fertility sources, timing of application and rate or amount of individual nutrients to use for a field or vegetable crop. The following set of spreadsheets provide fertility recommendations for growers that have current soil test results from a number of soil testing labs used throughout the Mid-Atlantic area. The accompanying fact sheets provide background information on use of the spreadsheets.

These recommendations cover field crops, garden plots and high tunnel areas and are based on the crop and soil fertility recommendation format use in the WV Nutrient Management System. Other analytical information useful in using these tools include a WVDA lime analysis and a WVDA manure analysis. Using the results from these analytical services provides information on the neutralizing value of agricultural lime and nutritive value of home produced manures.

The fertility recommend spreadsheet provides recommendations based on the productivity potential of the dominant soil in the field or garden plot. Field crop yield potential is based on dominate soil. Currently vegetable crop yields are not based on dominate soil. Becoming familiar with the USDA Web Soil Survey will allow you to determine the dominate soil of a field or garden area. How to use the Web Soil survey is explained in fact sheet #3 WVU-ES Fertility Recommend Tool.

The fact sheets are:

1) Blended Fertilizer Calculator

2) Value of Agricultural Limestone

3) WVUES Fertility Recommend Tool with Vegetable Crops and BMPs (003)

4) Soil Sampling and Testing

The excel spreadsheet tools are:

1) Blended Fertilizer Calculator

2) Value of Ag Limestone

3) WVUES Fertility Recommend Tool with Vegetable Crops 2015