Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1131097
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dc.contributor.authorPEREIRA, J. de S.
dc.contributor.authorCAVALCANTE, A. B.
dc.contributor.authorSIMOES, W. L.
dc.contributor.authorVOLTOLINI, T. V.
dc.date.accessioned2021-04-07T12:34:21Z-
dc.date.available2021-04-07T12:34:21Z-
dc.date.created2021-04-07
dc.date.issued2021
dc.identifier.citationCiência Rural, v. 51, n. 5, 2021.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1131097-
dc.descriptionThe objective was to evaluate the effects of water depths and irrigation frequencies on structural responses, forage yield and chemical composition of spineless cactus Orelha de Elefante Mexicana (OEM) (Opuntia stricta (Haw.) Haw), in adensed crop system. The experimental design was randomized blocks, in subdivided plots (3x4) with 4 replicates. The water depths were (100%, 75%, 50%, and 25% of ETc - crop evapotranspiration) and three water application frequencies (7; 14 and 28 days between irrigations). There was interaction for water use efficiency (WUE) and plant dry mass. Increasing water depths reduced WUE for all irrigation frequencies and plant dry mass was lower for 7 days compared to 14 and 28 days in 25% ETc. Greater water depths increased linearly the plant height and plant width. First and second order cladode length, second order cladode dry mass (kg), fresh mass yield (FMY) (kg ha-1) and dry mass yield (DMY) (kg ha-1) had a quadratic response with the increase in water depth. The FMY and DMY increased up to 77% and 75% ETc, respectively. Irrigation frequency (28 days) promoted greater first order cladode length and cladode dry mass compared to 7 days. Cladode thickness in plant and basal cladode thickness were greater for 7 days compared to 28 days and 14 and 28 days, respectively, without influence on FMY and DMY. Irrigation frequencies from 7 to 28 days promotes similar forage production and water depths up to 77% ETc favors the forage yield for spineless cactus Orelha de Elefante Mexicana receiving supplemental irrigation.
dc.language.isoeng
dc.rightsopenAccesseng
dc.subjectOrelha de Elefante Mexicana
dc.subjectSuplementação hídrica
dc.subjectLâmina de irrigação
dc.titleForage yield, structural responses and chemical composition of spineless cactus Orelha de Elefante Mexicana in different water depths and irrigation frequencies.
dc.typeArtigo de periódico
dc.subject.thesagroPalma Forrageira
dc.subject.thesagroIrrigação
dc.subject.thesagroOpuntia Ficus Indica
dc.subject.thesagroForragem
dc.subject.nalthesaurusForage
dc.subject.nalthesaurusOpuntia stricta
riaa.ainfo.id1131097
riaa.ainfo.lastupdate2021-04-07
dc.contributor.institutionJULIANA DE SOUZA PEREIRA; ANDERSON BARBOSA CAVALCANTE; WELSON LIMA SIMOES, CPATSA; TADEU VINHAS VOLTOLINI, CPATSA.
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