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Electrical conductivity of the nutrient solution and plant density in aeroponic production of seed potato under tropical conditions (winter/spring) Bragantia
Calori,Alex Humberto; Factor,Thiago Leandro; Feltran,José Carlos; Watanabe,Eduardo Yuji; Moraes,Carolina Cinto de; Purquerio,Luís Felipe Villani.
ABSTRACT The recent introduction in Brazil of production of quality seed potatoes in hydroponic systems, such as aeroponics, demands studies on the nutritional and crop management. Thus, this study evaluated the influence of electrical conductivity of the nutrient solution and plant density on the seed potato minitubers production in aeroponics system. The Agata and Asterix cultivars were produced in a greenhouse under tropical conditions (winter/spring). The experimental design was a randomized block in a split-split plot design. The plot consisted of 4 electrical conductivities of the nutrient solution (1.0; 2.0; 3.0; and 4.0 dS∙m−1); the subplot, of 4 plant densities (25; 44; 66; and 100 plants∙m−2); and the subsubplot, of the 2 potato cultivars (Ágata...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Solanum tuberosum L.; Greenhouse; Pre-basic seed potato; Soilless production; Spatial arrangement; Plant nutrition.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052017000100023
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Watermelon cultivation in regeneration areas of a sugarcane field under different soil managements PAB
Araújo,Humberto Sampaio de; Branco,Roberto Botelho Ferraz; Moraes,Carolina Cinto de; Calori,Alex Humberto; Rós,Amarílis Beraldo; Purquerio,Luis Felipe Villani.
Abstract: The objective of this work was to evaluate watermelon (Citrullus lanatus) cultivation in regeneration areas of a sugarcane field, under different soil management systems and N fertilization regimes. Two experiments were carried out in the 2014/2015 and 2015/2016 harvest seasons, in areas of sugarcane plantation in Andradina, in the state of São Paulo, Brazil. Cultivations were performed in a randomized complete block design, with plots and subplots, and four replicates. The plots represented the tillage systems (conventional, minimum tillage, and no-tillage), and the subplots, the different N fertilization rates (0, 100, 200, and 300 kg ha-1) applied as topdressing. In 2014/2015, the minimum tillage system resulted in the highest commercial yield...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Citrullus lanatus; Conservational system; Crop rotation; Nitrogen fertilization.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2019000102500
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