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Extraction/export of nutrients in Opuntia ficus-indica under different spacings and chemical fertilizers AGRIAMBI
Silva,João A. da; Donato,Sérgio L. R.; Donato,Paulo E. R.; Souza,Evilasio dos S.; Padilha Júnior,Milton C.; Silva Junior,Ancilon A. e.
ABSTRACT This work aimed to evaluate extraction/ export of nutrients and dry matter production in the 'Gigante' cactus pear, grown in different spacings and fertilizations 620 days after planting. Twelve combination of treatments were used consisting of: three spacings - 1.00 x 0.50; 2.00 x 0.25; and 3.00 x 1.00 x 0.25 m, and four fertilizations - 000-000-000; 000-150-000; 200-150-000; and 200-150-100, kg ha-1, of N, P2O5 and K2O, in a 3 x 4 factorial scheme in a randomized block design, with three replicates. Extraction/export of N, P, K, S, Ca, Mg, B, Fe, Mn, Zn, Na and Cu were determined and the means were 304.35; 18.81; 421.04; 62.35; 464.63; 215.77; 0.39; 0.81; 23.74; 1.11; 0.62 and 0.08 kg ha-1, besides the mean dry matter production of 17.11 Mg...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Opuntia; Nutrient uptake; Concentration; NPK fertilization.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662016000300236
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Yield and vegetative growth of cactus pear at different spacings and under chemical fertilizations AGRIAMBI
Silva,João A. da; Donato,Sérgio L. R.; Donato,Paulo E. R.; Souza,Evilasio dos S.; Padilha Júnior,Milton C.; Silva Junior,Ancilon A. e.
ABSTRACT The objective was to evaluate the effect of different spacings and mineral fertilizations on cactus pear growth and production in a randomized block design, with three replicates, in a 3 x 4 factorial scheme: three spacings, 1.00 x 0.50 m, 2.00 x 0.25 m and 3.00 x 1.00 x 0.25 m, and four fertilizations, 000-000-000, 000-150-000, 200-150-000 and 200-150-100 kg ha-1 of N, P2O5 and K2O, respectively. Plant growth was evaluated between 90 and 390 days and production and growth were evaluated at 620 days after planting. There were significant interactions between spacing and fertilization for plant height, number of cladodes and cladode area index from 90 to 390 days and for production of fresh and dry matter at 620 days after planting. Spacing...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Opuntia; Plant arrangement; Fertilization; Yield.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662016000600564
Registros recuperados: 2
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