Evaluación de la fertilización fosfórica foliar y edáfica sobre el rendimiento de la variedad de papa ‘Diacol Capiro’ (Solanum tuberosum L.)

Abstract

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mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} </style> <![endif]--> <p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: justify; line-height: normal;"><span style="font-size: 10pt; font-family: ";Cambria";,";serif";;">En cuatro localidades se evaluó el efecto de la fertilización fosfórica edáfica y foliar sobre el rendimiento y la gravedad específica en la variedad de papa ‘Diacol Capiro’. La evaluación comprendió 20 tratamientos correspondientes a la combinación de dos factores: P edáfico (0, 100, 200, 300 y 400 kg· ha-1 de P2O5) y P foliar (0, 5, 10 y 15 kg· ha-1 de P2O5), junto con un tratamiento testigo de fertilización comercial. No se encontraron diferencias para la variable gravedad específica en ninguno de los tratamientos evaluados, por lo que se deduce que la variación en los niveles de P no afecta esta variable. En el rendimiento de tubérculo se encontraron diferencias para el factor P edáfico, mientras que no hubo diferencias para el factor P foliar. Dentro del<span> </span>factor P edáfico, en la categoría primera, segunda y rendimiento total de tubérculo se observó que la variedad ‘Diacol Capiro’ presentó respuesta positiva sólo hasta la dosis de 200 kg· ha-1 de P2O5.</span></p>