Roscoe Wilfred Thatcher

1872 – 1933

• The chemistry of plant life
• Alfalfa seed production
• Announcements
• Commercial arsenates of lead and lime-sulphur
• Experiments in fertilizing alfalfa
• Lime as a fertilizer
• Preserving eggs
• Summary of the soil survey of the state
• The chemical composition of Washington forage crops
• The economical preparation of the sulphur-lime spray
• The feeding value of sorghum as shown by chemical analysis
• The manurial value of different legumes