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dc.contributor.authorSILVA, T. G. F. da
dc.contributor.authorPRIMO, J. T. A.
dc.contributor.authorMOURA, M. S. B. de
dc.contributor.authorSILVA, S. M. S. e
dc.contributor.authorMORAIS, J. E. F. de
dc.contributor.authorPEREIRA, P. de C.
dc.contributor.authorSOUZA, C. A. A. de
dc.date.accessioned2018-08-29T01:21:32Z-
dc.date.available2018-08-29T01:21:32Z-
dc.date.created2015-07-16
dc.date.issued2015
dc.identifier.citationPesquisa Agropecuária Brasileira, v. 50, n. 7, p. 515-525, jul. 2015.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1019927-
dc.descriptionThe objective of this work was to evaluate soil water dynamics in areas cultivated with forage cactus clones and to determine how environmental conditions and crop growth affect evapotranspiration. The study was conducted in the municipality of Serra Talhada, in the state of Pernambuco, Brazil. Crop growth was monitored through changes in the cladode area index (CAI) and through the soil cover fraction, calculated at the end of the cycle. Real evapotranspiration (ET) of the three evaluated clones was obtained as the residual term in the soil water balance method. No difference was observed between soil water balance components, even though the evaluated clones were of different genus and had different CAI increments. Accumulated ET was of 1,173 mm during the 499 days of the experiment, resulting in daily average of 2.35 mm. The CAI increases the water consumption of the Orelha de Elefante Mexicana clone. In dry conditions, the water consumption of the Miúda clone responds more slowly to variation in soil water availability. The lower evolution of the CAI of the IPA Sertânia clone, during the rainy season, leads to a higher contribution of the evaporation component in ET. The atmospheric demand controls the ET of clones only when there is higher soil water availability; in this condition, the water consumption of the Miúda clone decreases more rapidly with the increase of atmospheric demand.
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectNopalea
dc.titleSoil water dynamics and evapotranspiration of forage cactus clones under rainfed conditions.
dc.typeArtigo de periódico
dc.date.updated2018-08-29T01:21:32Zpt_BR
dc.subject.thesagroEvapotranspiração
dc.subject.thesagroPalma forrageira
dc.subject.thesagroBalanço hídrico
dc.subject.thesagroSolo
dc.subject.thesagroClone
dc.subject.nalthesaurusOpuntia
dc.subject.nalthesaurusEvapotranspiration
riaa.ainfo.id1019927
riaa.ainfo.lastupdate2018-08-28
dc.identifier.doi10.1590/S0100-204X2015000700001
dc.contributor.institutionTHIERES GEORGE FREIRE DA SILVA, UNIVERSIDADE FEDERAL RURAL DO PERNAMBUCO
dc.contributor.institutionJORGE TORRES ARAÚJO PRIMO, UNIVERSIDADE FEDERAL RURAL DO PERNAMBUCOeng
dc.contributor.institutionMAGNA SOELMA BESERRA DE MOURA, CPATSAeng
dc.contributor.institutionSÉRVULO MERCIER SIQUEIRA E SILVA, INSTITUTO AGRONÔMICO DE PERNAMBUCOeng
dc.contributor.institutionJOSÉ EDSON FLORENTINO DE MORAIS, UNIVERSIDADE FEDERAL RURAL DO PERNAMBUCOeng
dc.contributor.institutionPOLIANA DE CALDAS PEREIRA, UNIVERSIDADE FEDERAL DE VIÇOSAeng
dc.contributor.institutionCARLOS ANDRÉ ALVES DE SOUZA, UNIVERSIDADE FEDERAL RURAL DO PERNAMBUCO.eng
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