A. I. Dow

• Additional results from fertilizer trials on irrigated alfalfa in central Washington
• Critical nutrient ranges in Washington irrigated crops
• Effects of N fertilization on yield, N recovery, nutrient content and quality of three irrigated pasture grasses
• Fertilizing for maximum yields of irrigated alfalfa
• Instructions for taking soil samples in orchards
• Intensive soil sampling
• Interpretation of soil test nitrogen for irrigated crops in central Washington
• Interpretation of special orchard soil tests
• Iron chlorosis in Washington orchards and vineyards
• Orchard soil sampling
• Phosphorus fertilization of irrigated soils
• Salt tolerance studies on irrigated mint