Soil tillage, rice straw and flooded irrigated rice yield
The objective of this study was evaluate the effect of management systems and straw in flooded irrigated rice yield. The experimental design was a completely randomized with three experiments and, 10 replications in experiment 1 and 2 and, 6 replications in experiment 3. The experiments were: E1 –...
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Universidade Estadual de Londrina
2014-06-01
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doaj-a2f9d3e9629b4ca1aafe47b29811584b2020-11-24T23:35:50ZengUniversidade Estadual de LondrinaSemina: Ciências Agrárias1676-546X1679-03592014-06-013531153116210.5433/1679-0359.2014v35n3p1153Soil tillage, rice straw and flooded irrigated rice yieldAmauri Nelson Beutler 0Janete Denardi Munareto 1Ana Maria Fagundes Greco 2Bruna Canabarro Pozzebon 3Leandro Galon4Sérgio Guimarães5Giovane Burg 6Marcelo Raul Schmidt7Evandro Ademir Deak 8Robson Giacomeli 9Gibran da Silva Alves10Universidade Federal do PampaUniversidade Federal do PampaUniversidade Federal do PampaUniversidade Federal do PampaUniversidade Federal Fronteira SulUniversidade Federal do PampaUniversidade Federal do PampaUniversidade Federal do PampaUniversidade Federal do PampaUniversidade Federal do PampaUniversidade Federal do Pampa The objective of this study was evaluate the effect of management systems and straw in flooded irrigated rice yield. The experimental design was a completely randomized with three experiments and, 10 replications in experiment 1 and 2 and, 6 replications in experiment 3. The experiments were: E1 – no-till system (E1PD) and conventional system with two harrowings at 0.0–0.07 m layer and leveling with remaplam (E1PC), after three years of sowing rice, after fallow of rice tillage, with sowing of rye grass in winter and grazing; E2 – no-till system (E2PD) and conventional system after native field (E2PC); E3 – no-till without straw on soil surface (E30P), current straw on soil surface of 3,726 kg ha-1 (E31P), two times current straw of 7,452 kg ha-1 (E32P) and three times current straw of 11,178 kg ha-1 (E33P). In soil, were evaluated the average geometric diameter of aggregates, soil bulk density, soil porosity, macro and microporosity, in 0.0-0.05 and 0.05-0.10 m layer. In harvest were evaluated the panicles number in 0,25 m2 area, number of filled, empty an total grains in 10 panicles, mass of one thousand seeds and rice grains yield in 2 m2. The conventional system presented greater macroporosity and total porosity, compared with no-till system, however, does not result in differences in production components and rice grains yield. Soil tillage in no-till, with rice straw on soil surface up to 11,178 kg ha-1, before sowing, not reduces flooded irrigated rice grains yield. http://www.uel.br/revistas/uel/index.php/semagrarias/editor/submission/13644Conventional system; No-till; Cultural remains; Yield; Oryza sativa |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Amauri Nelson Beutler Janete Denardi Munareto Ana Maria Fagundes Greco Bruna Canabarro Pozzebon Leandro Galon Sérgio Guimarães Giovane Burg Marcelo Raul Schmidt Evandro Ademir Deak Robson Giacomeli Gibran da Silva Alves |
spellingShingle |
Amauri Nelson Beutler Janete Denardi Munareto Ana Maria Fagundes Greco Bruna Canabarro Pozzebon Leandro Galon Sérgio Guimarães Giovane Burg Marcelo Raul Schmidt Evandro Ademir Deak Robson Giacomeli Gibran da Silva Alves Soil tillage, rice straw and flooded irrigated rice yield Semina: Ciências Agrárias Conventional system; No-till; Cultural remains; Yield; Oryza sativa |
author_facet |
Amauri Nelson Beutler Janete Denardi Munareto Ana Maria Fagundes Greco Bruna Canabarro Pozzebon Leandro Galon Sérgio Guimarães Giovane Burg Marcelo Raul Schmidt Evandro Ademir Deak Robson Giacomeli Gibran da Silva Alves |
author_sort |
Amauri Nelson Beutler |
title |
Soil tillage, rice straw and flooded irrigated rice yield |
title_short |
Soil tillage, rice straw and flooded irrigated rice yield |
title_full |
Soil tillage, rice straw and flooded irrigated rice yield |
title_fullStr |
Soil tillage, rice straw and flooded irrigated rice yield |
title_full_unstemmed |
Soil tillage, rice straw and flooded irrigated rice yield |
title_sort |
soil tillage, rice straw and flooded irrigated rice yield |
publisher |
Universidade Estadual de Londrina |
series |
Semina: Ciências Agrárias |
issn |
1676-546X 1679-0359 |
publishDate |
2014-06-01 |
description |
The objective of this study was evaluate the effect of management systems and straw in flooded irrigated rice yield. The experimental design was a completely randomized with three experiments and, 10 replications in experiment 1 and 2 and, 6 replications in experiment 3. The experiments were: E1 – no-till system (E1PD) and conventional system with two harrowings at 0.0–0.07 m layer and leveling with remaplam (E1PC), after three years of sowing rice, after fallow of rice tillage, with sowing of rye grass in winter and grazing; E2 – no-till system (E2PD) and conventional system after native field (E2PC); E3 – no-till without straw on soil surface (E30P), current straw on soil surface of 3,726 kg ha-1 (E31P), two times current straw of 7,452 kg ha-1 (E32P) and three times current straw of 11,178 kg ha-1 (E33P). In soil, were evaluated the average geometric diameter of aggregates, soil bulk density, soil porosity, macro and microporosity, in 0.0-0.05 and 0.05-0.10 m layer. In harvest were evaluated the panicles number in 0,25 m2 area, number of filled, empty an total grains in 10 panicles, mass of one thousand seeds and rice grains yield in 2 m2. The conventional system presented greater macroporosity and total porosity, compared with no-till system, however, does not result in differences in production components and rice grains yield. Soil tillage in no-till, with rice straw on soil surface up to 11,178 kg ha-1, before sowing, not reduces flooded irrigated rice grains yield.
|
topic |
Conventional system; No-till; Cultural remains; Yield; Oryza sativa |
url |
http://www.uel.br/revistas/uel/index.php/semagrarias/editor/submission/13644 |
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