%0 Journal Article
%T The biomass production and nutrient content of roselle leaves grown with poultry litter and Organosuper£¿
%A Ramos
%A Diovany Doffinger
%A Vieira
%A Maria do Carmo
%A Z¨¢rate
%A N¨¦stor Antonio Heredia
%A Carnevali
%A Thiago de Oliveira
%A Souza
%A Nat¨¢lia Hilgert de
%A Luciano
%A Andr¨¦ Trento
%J Acta Scientiarum. Agronomy
%D 2012
%I Scientific Electronic Library Online
%R 10.4025/actasciagron.v34i2.12754
%X the objective of this study was to evaluate the effects of poultry litter and organosuper£¿ with three modes of application on the biomass production and nutrient content of the leaves of roselle plants. the treatments in each crop cycle were in a factorial arrangement, 2 x 3 + 1, composed of a control and combinations of the two organic fertilizers (poultry litter (10 ton. ha-1) and organosuper£¿ (10 ton. ha-1) and the three application modes (surface, incorporated and surface + incorporated), in a randomized block design with four replicates. in the surface + incorporated mode, the organic fertilizers were applied as 5 ton. ha-1 surface and 5 ton. ha-1 incorporated. the highest productions of fresh and dry weight and number of calyxes were obtained for poultry litter in surface (10,776, 1,239 and 3,980,602 kg ha-1, respectively) and organosuper£¿ incorporated (11,372, 1,308 and 4,405,075 kg ha-1, respectively) in the agricultural year 2009/2010. the increases in the fresh and dry weights of the calyxes, leaves, stems and roots, number of calyxes, leaf area and fibers in the agricultural year 2008/2009 in the poultry litter treatments. nutrients concentrations in the dry weight of the roselle leaves were not affected by the organic fertilizer type or by the mode of application.
%K hibiscus sabdariffa
%K organic fertilizer
%K surface
%K incorporated.
%U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1807-86212012000200011&lng=en&nrm=iso&tlng=en