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Laboratory, greenhouse and field work were conducted in order to evaluate soil fertility and the response to fertilization in a rice area in Bayano, Panama province. Experiments were carried out in 1976, 1977 and 1978 an recent alluvial soils. Phosphorus of these soils was rather low (5 μ g/ml, using the North Carolina method). Potassium levels were medium 87 μ g/ml). Organic matter levels were also medium (3.48%). Average pH was 5.5. Aluminum content was low. The studies on fixing capacity of there soils showed that they did not have a fixing capacity for any of the elements tested. Greenhouse, work utilizing P 8417 sorgum as a tester, indicated positive response to nitrogen, phosphorus and sulfur fertilization. Calcium, magnesium and zinc results were rather contradictory as tested by the North Carolina and Modified Olsen methods. The field work, utilizing “Anayansi” rice variety showed positive response only to nitrogen fertilization. 

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Main Authors: Name, Benjamín, Lasso, Rolando, Sousa, Felícita, Palomino, Blas, Araúz, Leonel
Format: Digital revista
Language:spa
Published: Instituto de Innovación Agropecuaria de Panamá 1980
Online Access:http://www.revistacienciaagropecuaria.ac.pa/index.php/ciencia-agropecuaria/article/view/553
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spelling oai:ojs.revistacienciaagropecuaria.ac.pa:article-5532024-07-17T16:53:38Z HAS NO TITLE. ESTUDIOS DE FERTILIZACIÓN DE ARROZ EN EL ÁREA DE BAYANO. Name, Benjamín Lasso, Rolando Sousa, Felícita Palomino, Blas Araúz, Leonel Laboratory, greenhouse and field work were conducted in order to evaluate soil fertility and the response to fertilization in a rice area in Bayano, Panama province. Experiments were carried out in 1976, 1977 and 1978 an recent alluvial soils. Phosphorus of these soils was rather low (5 μ g/ml, using the North Carolina method). Potassium levels were medium 87 μ g/ml). Organic matter levels were also medium (3.48%). Average pH was 5.5. Aluminum content was low. The studies on fixing capacity of there soils showed that they did not have a fixing capacity for any of the elements tested. Greenhouse, work utilizing P 8417 sorgum as a tester, indicated positive response to nitrogen, phosphorus and sulfur fertilization. Calcium, magnesium and zinc results were rather contradictory as tested by the North Carolina and Modified Olsen methods. The field work, utilizing “Anayansi” rice variety showed positive response only to nitrogen fertilization.  Con la finalidad de evaluar la fertilidad de los suelos y la respuesta del arroz a la fertilización, se realizaron estudios de laboratorio, invernadero y campo en el área arrocera de la finca 32 de la Corporación Bayano. Estos trabajos se ejecutaron durante los años 1976, 1977 y 1978 en suelos de aluviones recientes. El suelo en este lugar tiene un contenido de P2O5 bajo, 5μ g/ml determinado con el método de Carolina del Norte. el potasio presentó un nivel medio, 87μ g/ml. El contenido de materia orgánica fue mediano, 3.48%. El pH fue 5.5. El contenido de aluminio fue bajo en este suelo. Los estudios sobre capacidad de fijación de este suelo, mostraron que no tiene poder de fijación para ninguno de los elementos sometidos a dicha investigación. En el invernadero, utilizando el sorgo P 8417 como planta indicadora, se obtuvieron respuestas a nitrógeno, fósforo y azufre. los resultados con calcio, magnesio y zinc fueron contradictorios para los métodos Carolina del Norte y Olsen Modificado. En el campo, empleando la variedad Anayansi, en sistema de secano, sólo se obtuvo respuesta significativa al nitrógeno. Instituto de Innovación Agropecuaria de Panamá 1980-10-03 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artículo revisado por pares application/pdf http://www.revistacienciaagropecuaria.ac.pa/index.php/ciencia-agropecuaria/article/view/553 Ciencia Agropecuaria; Núm. 3 (1980); 1-10 2414-3278 0258-6452 spa http://www.revistacienciaagropecuaria.ac.pa/index.php/ciencia-agropecuaria/article/view/553/438
institution IDIAP
collection OJS
country Panamá
countrycode PA
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libraryname Centro de Información Documental Agropecuaria
language spa
format Digital
author Name, Benjamín
Lasso, Rolando
Sousa, Felícita
Palomino, Blas
Araúz, Leonel
spellingShingle Name, Benjamín
Lasso, Rolando
Sousa, Felícita
Palomino, Blas
Araúz, Leonel
HAS NO TITLE.
author_facet Name, Benjamín
Lasso, Rolando
Sousa, Felícita
Palomino, Blas
Araúz, Leonel
author_sort Name, Benjamín
title HAS NO TITLE.
title_short HAS NO TITLE.
title_full HAS NO TITLE.
title_fullStr HAS NO TITLE.
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description Laboratory, greenhouse and field work were conducted in order to evaluate soil fertility and the response to fertilization in a rice area in Bayano, Panama province. Experiments were carried out in 1976, 1977 and 1978 an recent alluvial soils. Phosphorus of these soils was rather low (5 μ g/ml, using the North Carolina method). Potassium levels were medium 87 μ g/ml). Organic matter levels were also medium (3.48%). Average pH was 5.5. Aluminum content was low. The studies on fixing capacity of there soils showed that they did not have a fixing capacity for any of the elements tested. Greenhouse, work utilizing P 8417 sorgum as a tester, indicated positive response to nitrogen, phosphorus and sulfur fertilization. Calcium, magnesium and zinc results were rather contradictory as tested by the North Carolina and Modified Olsen methods. The field work, utilizing “Anayansi” rice variety showed positive response only to nitrogen fertilization. 
publisher Instituto de Innovación Agropecuaria de Panamá
publishDate 1980
url http://www.revistacienciaagropecuaria.ac.pa/index.php/ciencia-agropecuaria/article/view/553
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