ADUBAÇÃO FOSFATADA EM CANA PLANTA E SOCA EM ARGISSOLOS DO NORDESTE DE DIFERENTES TEXTURAS

The present work studied the productivity of plant and ratoon cane in soils with different physical, chemical and mineralogical particulars submitted to phosphate fertilization. Randomized block field experi- ments were located at Japungu Distillery (Paraíba State), at Sugar Cane Experimental Statio...

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Veröffentlicht in:Caatinga 2014-01, Vol.27 (4), p.47-56
Hauptverfasser: DANIELA BATISTA DA COSTA, PATRÍCIA KARLA BATISTA DE ANDRADE, SILAS ALVES MONTEIRO DA SILVA, DJALMA EUZÉBIO SIMÕES NETO, FERNANDO JOSÉ FREIRE, EMÍDIO CANTÍDIO ALMEIDA DE OLIVEIRA
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Sprache:eng
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Zusammenfassung:The present work studied the productivity of plant and ratoon cane in soils with different physical, chemical and mineralogical particulars submitted to phosphate fertilization. Randomized block field experi- ments were located at Japungu Distillery (Paraíba State), at Sugar Cane Experimental Station of Carpina (Pernambuco State) and at Bom Jesus Sugar Cane plant (Pernambuco State), from where Argisoils of sandy, mid and clayey textures were selected respectively. The doses of 0, 40, 80, 120, 160 and 200 kg ha - 1 P 2 O 5 were applied at the bottom of the furrow (fertilization foundation). In the subsequent ratoon cane were applied 0 and 40 kg ha - 1 P 2 O 5 (topdressing) for each of the doses applied at the planting. It was concluded in this study that the productivity of sugarcane plant was positively influenced by phosphorus fertilization planting. The ratoon cane only responded nicely to phosphorus coverage in the less weathered medium texture Argisoils; Phospho- rus fertilization of ratoon sugarcane coverage in clay and weathered Argissolos did not promote increased productivity, restricting its recommendation in Argissolos with these characteristics.
ISSN:0100-316X
1983-2125