Northwest and Allee Research and Demonstration Farms
No-till management results in little or no incorporation of crop residues and fertilizer into the soil. Subsurface banding phosphorus (P) and potassium (K) fertilizers could be more effective than broadcast fertilization because both nutrients accumulate at or near the soil surface. A long-term study has been conducted at this farm to evaluate P and K fertilizer placement for corn and soybean managed with no-till and chisel-plow tillage.
Mallarino, Antonio and Sievers, Josh
"Phosphorus and Potassium Placement and Application Rates for Corn and Soybean Managed with No-till or Tillage,"
Farm Progress Reports: Vol. 2015
, Article 136.
Available at: http://lib.dr.iastate.edu/farmprogressreports/vol2015/iss1/136