Root System Distribution In The Soil Profile Of Four Sugarcane Cultivars Fertigated By Subsurface Drip Irrigation

dc.creatorOhashi A.Y.P.
dc.creatorRibeiro R.V.
dc.creatorDe Oliveira Silva A.L.B.
dc.creatorDe Matos Pires R.C.
dc.date2014
dc.date2015-06-25T17:57:28Z
dc.date2015-11-26T15:39:11Z
dc.date2015-06-25T17:57:28Z
dc.date2015-11-26T15:39:11Z
dc.date.accessioned2018-03-28T22:47:42Z
dc.date.available2018-03-28T22:47:42Z
dc.identifier9781632668455
dc.identifierAmerican Society Of Agricultural And Biological Engineers Annual International Meeting 2014. American Society Of Agricultural And Biological Engineers, v. 6, n. , p. 4038 - 4045, 2014.
dc.identifier
dc.identifier
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-84911491454&partnerID=40&md5=2a90b426a04bfca801f5d49252936d83
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/87256
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/87256
dc.identifier2-s2.0-84911491454
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1264084
dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.descriptionDespite of the agronomic importance for water management, few studies of sugarcane roots have been performed under field conditions during the crop cycle. The aim of this study was to determine the root distribution in the soil profile of four sugarcane cultivars. The field experiment was carried out in Campinas, SP, Brazil, and the cultivars present two different leaf architectures: IACSP95-5000 and IACSP94-2094 with arched leaves; IACSP94-2101 and SP79-1011 with upright leaves. The fertigation was performed by subsurface drip system and the soil moisture was monitored by capacitance probes. Three access acrylic tubes with 1.05 m-length were used for each cultivar. The images were obtained using the CID Root Scanner CI-600™ in five dates, 38, 58, 123, 185 and 205 days after harvest (DAH) during the third cycle (2nd cane ratoon) in four depths, up to 0.8 m. The data were analyzed by the software CID CI-690™. The results showed root distribution patterns slightly different among the cultivars. The root distribution pattern of the cultivars presented accurate adjust with exponential fit, except for IACSP94-2101 at 58 DAH. It was observed differences between root distribution among cultivars and sampling dates, especially up to 0.4 m depth. In all four cultivars, at 205 DAH, more than 50% of root distribution was observed up to 0.2 m depth and more than 80% up to 0.4 m depth.
dc.description6
dc.description
dc.description4038
dc.description4045
dc.description#2011/16174-2; FAPESP; São Paulo Research Foundation
dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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dc.languageen
dc.publisherAmerican Society of Agricultural and Biological Engineers
dc.relationAmerican Society of Agricultural and Biological Engineers Annual International Meeting 2014
dc.rightsfechado
dc.sourceScopus
dc.titleRoot System Distribution In The Soil Profile Of Four Sugarcane Cultivars Fertigated By Subsurface Drip Irrigation
dc.typeActas de congresos


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