Vol. 40 No. 4 (1956)

Published October 1, 1956

https://doi.org/10.46429/jaupr.v40i4

Vol. 40, No. 4, October 1956

Articles

George Samuels

209-217

The Efficiency of Sugarcane in its Use of Nitrogen Fertilizer Applications

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G. Samuels, P. Landrau, Jr., S. Alers Alers

218-223

Influence of Phosphate Fertilizers on Pineapple Yields

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Pablo Landrau, Jr., George Samuels

224-234

Results of Lime and Minor-Element Fertilizer Research in Puerto Rico, 1949-50

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M. A. Lugo-López, G. Acevedo

235-244

Effects of Tractor-Traffic Compaction on the Physical Properties of an Irrigated Soil in Southwestern Puerto Rico

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E. Hernández-Medina

245-254

The Use of Chelates to Control Iron Chlorosis in Soybeans Grown in Alkaline Substrate Under Greenhouse Conditions

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Research Notes

José Adsuar

255-255

ON THE PRESENCE OF CROWN GALL IN PUERTO RICO

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