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Campo DC | Valor | Idioma |
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dc.contributor.author | Costa Pires, K. C da | - |
dc.contributor.author | Gonçalves, José Francisco de Carvalho | - |
dc.contributor.author | Jaquetti, Roberto Kirmayr | - |
dc.date.accessioned | 2020-08-21T19:57:56Z | - |
dc.date.available | 2020-08-21T19:57:56Z | - |
dc.date.issued | 2020 | - |
dc.identifier.uri | https://repositorio.inpa.gov.br/handle/1/36355 | - |
dc.description.abstract | Phosphorus (P) fertilization and liming can reduce negative effects caused by a sudden increase in light availability after thinning of forest plantations. In this study, immediately after thinning, photochemical performance (quantum yield of PSII and performance index) decreased, however, liming and P fertilization reduced the negative effects caused by thinning and accelerated the recovery of Bertholletia excelsa trees. After thinning, the remaining trees increased J-I phase with the formation of a positive K-band which occurred exclusively in unfertilized (no liming or no P) individuals. Additionally, enhanced effective dissipation (DI0/RC) values (140%) were found in individuals without liming or P after thinning, while plants under liming and P increased DI0/RC values by 47 and 79%, respectively. Photochemical performance of B. excelsa was positively correlated to iron, zinc, and manganese. Thus, P fertilization and liming are recommended for alleviating the stress caused by high irradiance after thinning in B. excelsa plantations. © The authors. | en |
dc.language.iso | en | pt_BR |
dc.relation.ispartof | Volume 58, pgs. 323-330 | pt_BR |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Brazil | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/br/ | * |
dc.subject | Brazil nut tree | en |
dc.subject | Photosynthetic pigments | en |
dc.subject | Plant Nutrition | en |
dc.subject | Silvicultural Practices | en |
dc.subject | Stress physiology | en |
dc.title | Chlorophyll a fluorescence of bertholletia excelsa bonpl. plantations under thinning, liming, and phosphorus fertilization | en |
dc.type | Artigo | pt_BR |
dc.identifier.doi | 10.32615/ps.2019.146 | - |
dc.publisher.journal | Photosynthetica | pt_BR |
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