Please use this identifier to cite or link to this item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1125853
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dc.contributor.authorNASCENTE, A. S.
dc.contributor.authorFILIPPI, M. C. C. de
dc.contributor.authorLANNA, A. C.
dc.date.accessioned2020-10-27T09:12:52Z-
dc.date.available2020-10-27T09:12:52Z-
dc.date.created2020-10-26
dc.date.issued2020
dc.identifier.citationRevista Caatinga, v. 33, n. 4, p. 898-907, out./dez. 2020.
dc.identifier.issn0100-316X
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1125853-
dc.descriptionTropical flooded rice production systems require a high input of fertilizers and chemical defensive. The use of plant growth-promoting rhizobacteria (PGPR), a sustainable component of this system, can increase nutrient-use efficiency and lead to significant increases in the grain yield of tropical flooded rice crop. This study aimed to determine the effect of the microorganism BRM 32110 (Bacillus thuringiensis) in combination with nitrogen (N), phosphorus (P) and potassium (K) application rates on the physiological and agronomic performance of tropical flooded rice plants. Trials were performed in the 2016/2017 growing season in Formoso do Araguaia, a city in Tocantins state, Brazil. Three independent experiments (E1, E2, and E3) were performed in a randomized block design in a 4 x 2 factorial scheme with three replications. E1 comprised four N application rates (0, 40, 80 and 120 kg N ha-1) with and without the addition of BRM 32110, E2 comprised four P2O5 application rates (0, 40, 80 and 120 kg P2O5 ha-1) with or without BRM 32110, and E3 comprised four K2O application rates (0, 20, 40 and 60 kg K2O ha-1) with and without BRM 32110. In fertile soil, there were no interactions between the rhizobacterium BRM 32110 and the N, P or K application rates. BRM 32110 improved nutrient uptake and, on average, increased shoot dry matter by 8%, photosynthesis rate by 14% and grain yield by 11% in the flooded rice plants. Our results suggest that the use of multifunctional microorganisms is a good strategy for improving flooded rice grain yield sustainably.
dc.language.isoeng
dc.rightsopenAccesseng
dc.subjectRizobacteria
dc.titleMacronutrient rates and multifunctional microorganisms in a tropical flooded rice crop.
dc.typeArtigo de periódico
dc.subject.thesagroArroz
dc.subject.thesagroOryza Sativa
dc.subject.thesagroBacillus Thuringiensis
dc.subject.thesagroDesenvolvimento Sustentável
dc.subject.thesagroMacroelemento
dc.subject.thesagroMicrorganismo
dc.subject.nalthesaurusRice
dc.subject.nalthesaurusPlant growth-promoting rhizobacteria
dc.subject.nalthesaurusPhysiological regulation
dc.subject.nalthesaurusSustainable development
dc.subject.nalthesaurusMicroorganisms
riaa.ainfo.id1125853
riaa.ainfo.lastupdate2020-10-26
dc.identifier.doihttp://dx.doi.org/10.1590/1983-21252020v33n404rc
dc.contributor.institutionADRIANO STEPHAN NASCENTE, CNPAF; MARTA CRISTINA CORSI DE FILIPPI, CNPAF; ANNA CRISTINA LANNA, CNPAF.
Appears in Collections:Artigo em periódico indexado (CNPAF)

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