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Comparison of water consumption estimate for Urochloa brizantha cv. Marandu with FDR probe and weighting lysimeter. Repositório Alice
SOUZA, D. P. de; SANCHES, A. C.; MAFFEI, R. G.; JESUS, F. L. F. de; MENDONÇA, F. C.; PEZZOPANE, J. R. M..
Capacitive probes are devices with high investment costs, but they have the advantage of mobility and practical use compared with lysimeters. Therefore, studies are needed to verify the use of this technique in the determination of water consumption by forage plants. The objective of this work was to evaluate the use of a capacitive probe to estimate the water consumption in two cropping systems compared to the data obtained by the weighing lysimeter. They were: single (Marandu palisadegrass) and consortium (Marandu palisadegrass+ black oats + ryegrass). The study was carried out in an experimental area of ESALQ/USP. Data from six cycles of Marandu palisadegrass development were used, four in exclusive cultivation and two in consortium cultivation. Soil...
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Capacitive probe; Coefficient of culture; Crop evapotranspiration.
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1078225
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Soil moisture in forage cactus plantations with improvement practices for their resilience. Repositório Alice
CARVALHO, A. A. de; SILVA, T. G. F. da; SOUZA, L. S. B. de; MOURA, M. S. B. de; ARAUJO, G. G. L. de; TOLÊDO, M. P. S..
The present study evaluated soil moisture (?) in forage cactus plantations under resilience practices such as irrigation, mulching and intercropping with sorghum. The experiment was arranged in a randomized block design with five water availability conditions (0, 8.75, 17.5, 26.25 and 35% of the reference evapotranspiration), and three planting systems: forage cactus exclusive system (PE), forage cactus with mulch (PC) and intercropping between forage cactus and sorghum (PS). Water content was measured until a depth of 0.60 m. Meteorological data were recorded between June 2012 and June 2013. Water content was not affected by different resilience practices and the variation coefficient was low to medium (4.0 to 22.1%). The temporal variation of soil...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Planta ornamental; Materia orgânica; Palma irrigada; Sonda capacitiva; Resto de cultura; Planta forrageira; Cacto; Sorgo; Consorciaçãp; Cobertura morta; Solo; Solo; Mulching intercropping; Irrigated forage; Capacitive probe; Cactus.
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1086781
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Soil moisture in forage cactus plantations with improvement practices for their resilience AGRIAMBI
Carvalho,Ailton A. de; Silva,Thieres G. F. da; Souza,Luciana S. B. de; Moura,Magna S. B. de; Araujo,Gherman G. L. de; Tolêdo,Matheus P. S..
ABSTRACT The present study evaluated soil moisture (θ) in forage cactus plantations under resilience practices such as irrigation, mulching and intercropping with sorghum. The experiment was arranged in a randomized block design with five water availability conditions (0, 8.75, 17.5, 26.25 and 35% of the reference evapotranspiration), and three planting systems: forage cactus exclusive system (PE), forage cactus with mulch (PC) and intercropping between forage cactus and sorghum (PS). Water content was measured until a depth of 0.60 m. Meteorological data were recorded between June 2012 and June 2013. Water content was not affected by different resilience practices and the variation coefficient was low to medium (4.0 to 22.1%). The temporal variation of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mulching; Intercropping; Irrigated forage cactus; Capacitive probe.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662017000700481
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