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MLA

Gile, P.L, and J.O Carrero. "Efficiencies of Phosphatic Fertilizers As Affected by Liming and by the Length of Time the Phosphates Remained In Porto Rican Soils." , 171-194.. Print

APA

Gile, P., & Carrero, J. (0000). Efficiencies of Phosphatic Fertilizers as Affected by Liming and by the Length of Time the Phosphates Remained in Porto Rican Soils.

Chicago

Gile, P.L., and J.O Carrero. "Efficiencies of Phosphatic Fertilizers as Affected by Liming and by the Length of Time the Phosphates Remained in Porto Rican Soils" (1923): 171-194..