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Determination of homogeneous zones for liming recommendations of black pepper using geostatistics AGRIAMBI
Gontijo,Ivoney; Santos,Eduardo O. de J.; Partelli,Fábio L.; Gontijo,Andreia B. P. L.; Pires,Fábio R..
ABSTRACT Studies aimed at determining homogeneous zones and the spatial variability of soil characteristics may improve the efficiency of agricultural input applications. The purpose of this study was to determine homogeneous zones for liming applications and to characterize the spatial variability of characteristics related to soil acidity and productivity in an Oxisol cultivated with black pepper (Piper nigrum L.). This study was carried out in São Mateus, state of Espírito Santo, Brazil. The experimental site was 100 x 120 m. A grid with 126 sampling points was established. Three soil sub-samples were collected at each sampling point in the black pepper canopy areas, at a 0-0.20 m depth. Crop productivity was estimated by harvesting the three plants...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Piper nigrum L.; Spatial variability; Fertilization management.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662016001000918
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