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| Moraes,Emmerson Rodrigues de; Mageste,José Geraldo; Lana,Regina Maria Quintão; Torres,José Luiz Rodrigues; Domingues,Luis Augusto da Silva; Lemes,Ernane Miranda; Lima,Luara Cristina de. |
| ABSTRACT New strategies for sugarcane production have been very important since the incorporation of ethanol in the Brazilian energy mix in the early 1970s. Prior to planting sugarcane, the soil is prepared, and this process can affect root development and, consequently, sugarcane production. This study was conducted in an area of sugarcane crop renewal in the Cerrado biome (Brazilian tropical savanna), with the objective of identifying which tillage system generates the better root development and improved yield in sugarcane. The treatments were: 1) weed desiccation + moldboard plowing (0.4 m) + mild spike tooth harrowing (0.15 m); 2) subsoiler (0.3 m) + mild spike tooth harrowing (0.15 m); 3) weed desiccation + no-tillage (furrow opening and fertilizer);... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: No-till farming; Root system development; Saccharum officinarum; Soil tillage systems. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832019000100507 |
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| Rossato,Otavio Bagiotto; Ceretta,Carlos Alberto; Silva,Leandro Souza da; Brunetto,Gustavo; Adorna,Jaqueline Cristiane; Girotto,Eduardo; Lorenzi,Cledimar Rogério. |
| In Rio Grande do Sul State (RS), Southern Brazil, aluminum saturation in many areas under no-till system is high and base saturation low in the 0.10-0.20 m layer (subsurface), which may reduce the grain yield of annual crops. The objective of this study was to evaluate if the occurrence of high aluminum saturation and low base saturation in the subsurface, under a no-till system, represents a restrictive environment for crop production, as well as to evaluate forms of lime incorporation for soil acidity correction in the subsurface. For this purpose, an experiment was carried out with soybean (2005/2006), corn (2006/2007), wheat (2007) and soybean (2007/2008) crops, in a Rhodic Hapludox (USDA, 1999) with sandy loam texture, under no-till for four years in... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Lime; Soil tillage systems; Aluminum saturation; Base saturation. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832009000300018 |
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| Cunha,Jorge L. X. L.; Coelho,Maria E. H.; Albuquerque,Abel W. de; Silva,Cicero A.; Silva Júnior,Antônio B. da; Carvalho,Islan D. E. de. |
| ABSTRACTThe management systems affect soil structure, causing changes in porosity that can influence soil water infiltration. In order to study the water infiltration rate in a Yellow Latosol under different tillage systems and different mathematical models, an experiment was conducted from October to December 2012, at the Center for Agricultural Sciences at the Federal University of Alagoas, using a randomized block design with five replicates, in a split-plot scheme. In the plots, the management systems were evaluated (conventional tillage, no-tillage and minimum tillage) and, in the sub-plots, the empirical mathematical models of Kostiakov, Kostiakov-Lewis and Horton, and the ring method. The method used to measure soil water infiltration rate was... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Irrigation; Infiltration methods; Soil tillage systems. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662015001101021 |
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