The Journal of Agriculture

• 

  Año 1938, Vol. 22, Número 2. Dedicado a: Vol. 22, No. 2, April 1938

  • Articles

    • The nutritive values of some forage crops of puerto rico 1. Grasses

      J. H. Axtmayer, C. F. Asenjo, D. H. Cook

      • Resumen
      • Texto completo

      págs. 95-121

      

    • A comparison of methods of determining carbon in soils

      Carlos Esteva Jr.

      • Resumen
      • Texto completo

      págs. 123-136

      

    • A modification of mitscherlich'S method for the determination of the nutrient contents of a soil

      Bernardo G. Capó

      • Resumen
      • Texto completo

      págs. 137-169

      

    • New south american sarcophagidae (diptera)

      David G. Hall

      • Texto completo

      págs. 171-175

      

    • Antillean ascalaphidae

      Nathan Banks

      • Texto completo

      págs. 177-180

      

    • Euxesta stigmatias loew, an otitid fly infesting ear corn in puerto rico

      Bernard A. App

      • Resumen
      • Texto completo

      págs. 181-187

      

    • Description and biologic notes on a tiphia (hymenoptera: Scoliidae) from haiti

      George N. Wolcott

      • Texto completo

      págs. 189-192

      

    • The introduction into puerto rico of larra americana saussure, a specific parasite of the "changa", or puerto rican mole-cricket, scapteriscus vicinus scudder

      George N. Wolcott

      • Texto completo

      págs. 193-218

      

    • New species of nemocera from puerto rico

      O. A. Johannsen

      • Texto completo

      págs. 219-225

      

    • Studies of the root system of coffea arabica l. Part i.—environmental condition affecting the distribution of coffee roots in coloso clay

      Juan Guiscafré, Luis A. Gómez

      • Resumen
      • Texto completo

      págs. 227-262