A. R. Halvorson

• Estimates of salinity level produced by broadcast incorporated and band-applied fertilizer
• Exchangeable cations, cation exchange capacity and base saturation and it's [sic] relationship to soil fertility
• Fertilizers and the environment
• Holding back nitrification in the dry land wheat area of eastern Washington
• Interpretation of chemical analysis of irrigation water
• Soil acidity in central Washington orchards
• Soil moisture and nitrate tests