Phosphorus and Potassium Fertilizer Placement for Corn and Soybeans Managed with No-till and Chisel-Disk Tillage

Date
2004-01-01
Authors
Mallarino, Antonio
Havlovic, Bernard
Butler, Jeff
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Abstract

No-till management results in little or no incorporation of residues and fertilizers with soil. Broadcast fertilization could be inefficient with no-till because phosphorus (P) and potassium (K) accumulate at or near the soil surface. Subsurface banding of fertilizers with planter starter attachments or before planting could be more effective. A long-term study was initiated in 1994 at the Armstrong Farm and at other research farms to evaluate P and K fertilizer placement for corn and soybeans managed with no-till and chisel-plow tillage.

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