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Emanoel G. de Moura ; Jesús H. Camacho-Tamayo ;Agronomía Colombiana 2011, 29 1

Autor: Alba Leonor da S. Martins

Fuente: http://www.redalyc.org/


Introducción



Agronomía Colombiana ISSN: 0120-9965 agrocolfabog@gmail.com Universidad Nacional de Colombia Colombia da S.
Martins, Alba Leonor; de Moura, Emanoel G.; Camacho-Tamayo, Jesús H. Evaluation of corn production parameters and their spatial relationship with chemical attributes of the soil Agronomía Colombiana, vol.
29, núm.
1, enero-abril, 2011, pp.
99-106 Universidad Nacional de Colombia Bogotá, Colombia Available in: http:--www.redalyc.org-articulo.oa?id=180322573013 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative Evaluation of corn production parameters and their spatial relationship with chemical attributes of the soil Evaluación de parámetros productivos de maíz y su relación espacial con atributos químicos del suelo Alba Leonor da S.
Martins1, Emanoel G.
de Moura2, and Jesús H.
Camacho-Tamayo3, 4 ABSTRACT RESUMEN The characterization of the soil spatial variability allows a better understanding of the relationships between the soil attributes and the environment.
The objective of the study was to evaluate the spatial variability of corn production parameters and their relationship with soil chemical attributes.
The study was carried out in the municipality of Miranda do Norte (MA, Brazil) in a Typic Plinthaquults.
A mesh of 113 points was designed, taking samples at regular distances of 10 m, determining pH, organic material, P, K, Ca, Mg, and exchangeable acidity.
The corn production parameters were ear weight, weight of 100 grains, and yield.
The results were analyzed by means of descriptive statistics and geostatistical techniques.
The pH and the weight of 100 grains were the only attributes with low variability.
The sum of the bases did not show spatial dependence.
The corn yield and the ear weight showed sim...





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