AN ABNORMAL ORCHARD SOIL 



13 



Figure 4. Peach Trees Grown in 1930 on Soil from the Unlimed Phosphorus-Potash Plot 



A. No treatment 



B. 5 grams Nitrate of Soda 



C. 10 grams Nitrate of Soda 



D. 15 grams Nitrate of Soda 



