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Root growth of sugarcane irrigated with wastewater through subsurface drip system CIGR Journal
Santos, Leonardo Nazário Silva dos; Barbosa, Eduardo Augusto Agnellos; Nazário, Aline Azevedo; Gonçalves, Ivo Zution; Ohashi, Augusto Yukitaka Pessinatti; Matsura, Edson Eiji; Pires, Regina Célia de Matos.
The use of wastewater in agriculture is an alternative to provide water and nutrients for plants.  However, root system development can be affected by water quality and depth of wastewater applied.  The objective of this study was to evaluate the sugarcane root system growth using a minirhizotron in a field irrigated with treated sewage effluent and freshwater by subsurface drip irrigation.  The treatments tested were two drip line installation depths (0.2 and 0.4 m); two water sources (treated sewage effluent and freshwater) and non-irrigated plots as control.  The experiment was a randomized block design with a 2×2 + 1 factorial, with three replications.  The root system evaluation (root length and spatial distribution) was performed using a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Root scanner; Minirhizotron; Drip irrigation; Time domain reflectometry (TDR); Saccharum officinarum L..
Ano: 2017 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3881
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Productivity of the common bean in conditions of irrigation with deficit CIGR Journal
Carvalho, José Joaquim; Saad, João Carlos Cury; Teixeira, Marconi Batista; Soares, Frederico Antonio Loureiro; Silva, Nelmício Furtado da; Campos, Melissa Selaysim Di; Cunha, Fernando Nobre; Santos, Leonardo Nazário Silva dos.
Historically cultivated by small farmers, bean crops are now cultivated with varied levels of technology, including practices such as irrigation and direct sowing, as well as the soil management and traditional practices to increase productivity. Along with the adoption of these techniques, an increase in the usage of irrigation has occurred, which purports to meet the water requirements of the crop throughout its life cycle. The main objective of this work was to study the effects of different irrigation depths during two phases of the bean crop cycle and the behavior of cv. IAC-Alvorada during winter in the first and second year of direct sowing in Botucatu – SP, a southeastern region of Brazil. The experimental soil area is classified as a red...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Phaseolus Vulgaris L.; Red distroferric nitosol; Water stress; Water use efficiency.
Ano: 2018 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/4678
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