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Rooting of sweet potato seedlings submitted to supplemental calcium and phosphorus nutrition on substrate AGRIAMBI
Ichikawa,Everton T. M.; Fernandes,Adalton M.; Mota,Lydia Helena da S. de O..
ABSTRACT The objective of this study was to evaluate the rooting and growth of sweet potato seedlings in trays in response to substrate supplementation with calcium (Ca) and phosphorus (P). Two greenhouse experiments were conducted in a randomized block design with a split plot scheme and eight repetitions. In the Ca experiment, the plots were the doses of 0, 100 and 200 mg kg-1 of Ca, and in the P experiment, by the doses of 0, 150 and 300 mg kg-1 of P. In both experiments, the subplots corresponded to the sampling time of seedlings (15, 30, 45, 60 and 75 days after planting). The Ca present in the substrate was sufficient to promote the proper rooting and growth of sweet potato seedlings in the trays. The Ca supply in excess (200 mg kg-1) adversely...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ipomoea batatas; Herbaceous cutting; Clod integrity; Root growing; Permanence time in tray.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662019001100860
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