The Journal of Agriculture

• 

  Año 1973, Vol. 57, Número 1. Dedicado a: Vol. 57, No. 1, January 1973

  • Articles

    • Effect of Harvesting Sugarcane at 12, 14, and 16 Months of Age Upon Yields at Isabela, P.R.

      S. Alers Alers, Frank Juliá, M. A. Lugo López

      • Resumen
      • Texto completo

      págs. 1-8

      

    • Studies on the Roles of Boron in Growth and Sugar-Transport Processes of Sugarcane

      Rafael Montalvo Zapata

      • Resumen
      • Texto completo

      págs. 9-23

      

    • Two Rainfall-Characteristic Indices Proposed as Suitable for Agricultural Planning in Puerto Rico

      Modesto Capiel, Mariano Antoni

      • Resumen
      • Texto completo

      págs. 24-41

      

    • A Differential Psychro Test of Plant-Soil-Weather Relationships and Water Use

      Modesto Capiel

      • Resumen
      • Texto completo

      págs. 42-55

      

    • A Mosaic of Vigna hosei (Craib) Back, a Common Weed in Puerto Rico

      J. Enrique Pérez, Julio Bird

      • Resumen
      • Texto completo

      págs. 56-64

      

    • Characteristic (Discriminant Function) Indices of Chironja, Orange and Grapefruit

      C. G. Moscoso, B. G. Capó

      • Resumen
      • Texto completo

      págs. 65-77

      

    • Protein Content and Amino Acid Balance of Yams

      F. W. Martin, A. E. Thompson

      • Resumen
      • Texto completo

      págs. 78-83

      

  • Research Notes

    • Diurnal behavior of sugarcane acid invertase

      Alex G. Alexander, Rafael Montalvo Zapata, María G. Justiniano

      • Texto completo

      págs. 84-86

      

    • A simple method for mass production of fasciola hepatica miracidia

      P. Gomes, A. Velarde, J. Chiriboga, D. de León

      • Texto completo

      págs. 87-88