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Variability of Myrciaria dubia genotypes (Myrtaceae) in native populations of Roraima state. Author(s): SOUZA, C. G.; PAIVA-RODRIGUES, R. M. S.; BARDALES-LOZANO, R. M.; CHAGAS, E. A.; GRANJA, F. Camu-camu, Myrciaria dubia (Myrtaceae) is a native species of the Amazon Rainforest that has been attracting attention worldwide and arousing great interest in the food and pharmacological industries... ... Repository: BDPA Publication year: 2020
Zonal application of plant growth regulator in cotton to reduce variability and increase yield in a highly variable field. Author(s): VAZ, C. M. P.; FRANCHINI, J. C.; SPERANZA, E. A.; INAMASU, R. Y.; JORGE, L. A. de C.; RABELLO, L. M.; LOPES, I. de O. N.; CHAGAS, S. das; SOUZA, J. L. R. de; SOUZA, M. de; PIRES, A.; SCHEPERS, J. Variable-rate application has great potential to reduce variability and increase yield by spatially optimizing agricultural inputs. In cotton, plant growth regulators (PGRs) control excessive growth a... ... Repository: BDPA Publication year: 2023
A nonpaprametric approach to evaluate the impact of contextual variables on the agricultural research efficiency in Brazil. Author(s): SOUZA, G. da S. e; GOMES, E. G. In this paper we measure technical efficiency for each of Embrapa (Brazilian Agricultural Research Corporation) research centers. We model DEA efficiency as a function of contextual variables: revenue... ... Repository: BDPA Publication year: 2011
Environmental variables influencing the expression of morphological characteristics in clones of the forage cactus. Author(s): BARBOSA, M. L.; SILVA, T. G. F. da; ZOLNIERR, S.; SILVA, S. M. S. e.; FERREIRA, W. P. M. The environmental factors that affect the morphological characteristics of different genera of cacti are little known. The aim of this study therefore was to analyse the contribution of environmental... ... Repository: BDPA Publication year: 2018
Economic efficiency of Embrapa's research centers and the influence of contextual variables. Author(s): SOUZA, G. da S. e; GOMES, E. G.; MAGALHÃES, M. C.; AVILA, A. F. D. In this paper we measure, with a DEA BCC model, the economic efficiency of Embrapa's (Brazilian Agricultural Research Corporation) research centers. We model the DEA economic efficiency as a linear fu... ... Repository: BDPA Publication year: 2007
Variable rate application of potassium fertilizer for soybean crop growth in a no-till system. Author(s): BERNARDI, A. C. C.; GIMENEZ, L. M.; SILVA, C. A.; MACHADO, P. L. O. A. Variable rate application of fertilizer has the potential to improve nutrient use efficiency, improve economic returns, and reduce negative environmental impacts. The objective of this study was to ev... ... Repository: BDPA Publication year: 2010
Models for predicting biometric variables in cowpea using multispectral aerial images. Author(s): ANDRADE JUNIOR, A. S. de; SOBRAL, A. H. S.; BASTOS, E. A.; PESSOA FILHO, F. N.; NUNES, L. P.; ROIG, H. Models based on vegetation indices (VI) from digital aerial images are promising for predicting biometric variables in agricultural crops. The objective of this study was to generate prediction models... ... Repository: BDPA Publication year: 2023
Genetic variability revealed by microsatellite markers in a germplasm collection of Jatropha curcas L. in Brazil: an important plant for biofuels. Author(s): SOUZA, R. de L.; DIAS, L. A. dos S.; CORRÊA, T. R.; CAIXETA, E. T.; FERNANDES, E. da C.; MUNIZ, D. R.; ROSMANINHO, L. B. de C.; CARDOSO, P. M. R. We evaluated the genetic variability of a collection of Jatropha curcas germplasm, represented by 93 accessions, using microsatellite markers. Among the 60 markers tested, five of them detected polymo... ... Repository: BDPA Publication year: 2019
Morphological variability of cashews from the Brazilian Cerrado. Author(s): BORDALLO, P. do N.; SOBREIRA JÚNIOR, O. V.; OLIVEIRA, K. G. S.; CASTRO, A. C. R. de Repository: BDPA Publication year: 2010
High-throughput sequencing applied for the identification of viruses infecting grapevines in Brazil and genetic variability analysis. Author(s): FAJARDO, T. V. M.; SILVA, F. N.; EIRAS, M.; NICKEL, O. The application of high-throughput sequencing technologies (HTS) enables the recovery of many nucleotide sequence fragments from diseased plants and may help in pathogen identification. This study was... ... Repository: BDPA Publication year: 2017

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