John Spargo

Univ. of Massachusetts
Stockbridge Halll
Dept. of Plant, Soil, and Insect Sciences
Amherst, MA
USA 01003
Email: spargo@umext.umass.edu

Papers:
8:05 AM, Duke Energy Convention Center, Room 207, Level 2 129-1 Nitrogen Release and Residue Persistence of Legume-Grass Cover Crop Mixtures in Reduced-Tillage Organic Corn Production.
8:50 AM, Duke Energy Convention Center, Room 207, Level 2 188-3 Soil Tests for Nitrogen Recommendations for Corn.
12:05 PM, Duke Energy Convention Center, Room 206, Level 2 237-6 Reduced-Tillage Organic Corn Production in A Hairy Vetch Cover Cop.
3:00 PM, Duke Energy Convention Center, Exhibit Hall AB, Level 1 366-3 Potassium Fertilization In Perennial Ryegrass Turf: Effects of N and Year On Plant Response.