Consulta: subjectFacets:"Saline waters"
Registros recuperados: 2
Data/hora: 03/06/2024 04:51:04

Salt stress and exogenous application of hydrogen peroxide on photosynthetic parameters of soursop
Provedor de dados: Revista Brasileira de Engenharia Agrícola e Ambiental
Autores: Silva,André A. R. da; Lima,Geovani S. de; Azevedo,Carlos A. V. de; Veloso,Luana L. de S. A.; Gheyi,Hans R.; Soares,Lauriane A. dos A.
ABSTRACT This study aimed to evaluate the gas exchanges and photosynthetic pigments of soursop seedlings cv. ‘Morada Nova’ irrigated with saline waters and subjected to exogenous application of hydrogen peroxide by seed soaking and foliar spraying. The study was carried out using plastic bags under greenhouse conditions at the Center of Technology and Natural Resources of the Federal University of Campina Grande, PB, Brazil, using a eutrophic Regolithic Neosol of sandy loam texture. Treatments were arranged in a randomized block design, in 5 x 5 factorial scheme, which consisted of five levels of electrical conductivity – ECw (0.7; 1.4; 2.1; 2.8 and 3.5 dS m-1) of irrigation water and five concentrations of hydrogen peroxide - H2O2 (0, 25, 50, 75 and 100...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Annona muricata L.; Saline waters; Physiology.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662019000400257

Content, extraction and export of nutrients in sugarcane under salinity and leaching fraction
Provedor de dados: Revista Brasileira de Engenharia Agrícola e Ambiental
Autores: Lira,Raquele M. de; Silva,Ênio F. de F. e; Silva,Gerônimo F. da; Souza,Diego H. S. de; Pedrosa,Elvira M. R.; Gordin,Leandro C.
ABSTRACT The objective of this study was to evaluate the contents of macronutrients and also chlorine and sodium in the diagnostic leaf, and the extraction and export of macronutrients in sugarcane irrigated with saline water and leaching fractions. The experiment was conducted in a complete randomized design in a 5 x 2 factorial scheme with four replications, corresponding to five levels of water salinity (0.5, 2.0, 3.5, 5.0 and 6.5 dS m-1) and two leaching fractions (L1 = 0 and L2 = 0.17). The treatments were applied 60 days after planting. At 280 days after planting, diagnostic leaves were collected and used to evaluate the nutritional status and the contents of Cl and Na. At 360 days after planting, the sugarcane was harvested and its stalks were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Saccharum spp.; Saline waters; Macronutrients.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662019000600432