growth and mineral nutrition of neem (azadirachta indica a. juss.) and cinnamomum (melia azedarach linn.) submitted to salinity

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ID: 169919
2010
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Abstract

The objective of this study was to verify the effects of soil salinity on growth and nutrient and sodium accumulation in neem (Azadirachta indica) and cinnamomum (Melia azedarach). The experimental delineation was completely randomized in a 2 x 4 factorial arrangement, with two species (neem and cinnamomum), four salinity levels (electrical conductivity 0.49 (non saline soil), 4.15, 6.33 and 10.45 dS m-1) and four replications. Initially, plants were grown in tubes, and 60 days after emergence, they were transferred to pots containing 3 kg of substrate [soil + manure (2:1)], according to the saline treatment. After 45 days, plant height, dry matter (leaves, stem, shoot (stem + leaves), roots and total) and N, P, K, Ca, Mg, S and Na+ shoot accumulation were evaluated. Salinity reduced the plant height in both species, but the effect was more pronounced in neem. Increases in soil salinity caused an increase in the accumulation of Na + and reduced the accumulation of nutrients in shoots of both species, especially in neem. The cinnamomum was more tolerant to salinity levels of soils than neem.

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Authors ;Antonio Lucineudo de Oliveira Freire;Gilberto Marinho de Sousa Filho;José Romilson Paes de Miranda;Patrícia Carneiro Souto;Lúcio Valério Coutinho de Araújo
Journal journal of organic chemistry
Year 2010
DOI
10.5902/198050981845
URL
http://cascavel.ufsm.br/revistas/ojs-2.2.2/index.php/cienciaflorestal/article/view/1845
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