P. L. Gile

1883 – 1972

• Estimation of colloidal material in soils by adsorption
• Lime-magnesia ratio as influenced by concentration
• The bat guanos of Porto Rico and their fertilizing value
• The effect of strongly calcareous soils on the growth and ash composition of certain plants
• The red clay soil of Porto Rico
• Bat Guanos of Porto Rico and Their Fertilizing Value
• Effect of Strongly Calcareous Soils on the Growth and Ash Composition of Certain Plants
• Effect of Strongly Calcareous Soils on the Growth and Ash Composition of Certain Plants; No. 16
• Relation of calcareous soils to pineapple chlorosis
• The effect of different colloidal soil materials on the efficiency of superphosphate