U.S. Department of Agriculture: Agricultural Research Service, Lincoln, Nebraska
Document Type
Article
Date of this Version
2009
Citation
National Soil Tilth Laboratory, 2009,
Abstract
Project Objectives:
1)To evaluate several S sources for corn grown on low organic matter soils
2)To investigate nutrient dynamics in a comprehensive tillage, nutrient management, and residue removal study.
Sulfur Response: Site Characteristics
• Eroded side slopes
• Loam/silt loam (Typic Haplaquolls)
• Corn after soybean
• N fertilizer applied at planting + spoke-whee UAN (155 lb N/A)
• Corn (Fontanelle 4693 planted 5/6/08, 32K plants/A
S Fertilizer Treatments
Control
30 lb S/A; 13-33-0-15S; 2x3
30 lb S/A; 21-0-0-24S; 2x3
30 lb S/A; 12-0-0-26S; 2x0