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Critical levels and fertility classes of soils with high-activity clay in the Brazilian semi-arid region. Author(s): SOUZA, H. A. de; LIMA NETO, A. J. de; POMPEU, R. C. F. F.; GUEDES, F. L.; TONUCCI, R. G.; CAVALCANTE, A. C. R.; NATALE, W.; VALLADARES, G. S.; ESCOBAR, M. E. O.; RODRIGUES, H. C. de A.; ANDRADE, H. A. F. de; OLIVEIRA JUNIOR, J. O. L. de; SAGRILO, E. Soil fertility evaluation is important for adopting conservation management and adequate nutrient supply. The objective of this study was to identify critical levels and soil fertility classes using t... ... Repository: BDPA Publication year: 2024
Relationships between soil class and nutritional status of coffee plantations. Author(s): WADT, P. G. S. Farm planning requires an assessment of the soil class. Research suggest that the Diagnosis and Recommendation Integrated System (DRIS) has the capacity to evaluate the nutritional status of coffee pl... ... Repository: BDPA Publication year: 2005
Effect of soil class and moisture on the depth of pupation and pupal viability of Bactrocera carambolae Drew & Hancock (1994). Author(s): AMARAL, E. J. F. do; SOUSA, M. do S. M. de; SANTOS, J. E. V. dos; COSTA, L. M.; MELEM JUNIOR, N. J.; TOLEDO, J. J. de; ADAIME, R. Bactrocera carambolae is a quarantine pest present in Brazil and today represents the main phytosanitary barrier to the export of the fresh fruits produced in the country. The effect of soil classes a... ... Repository: BDPA Publication year: 2021
Principles and applications of a new class of soil water matric potential sensors: the dihedral tensiometer. Author(s): VAZ, C. M. P.; CALBO, A. G.; PORTO, L. F.; PORTO, L. H. Repository: BDPA Publication year: 2013
Soil classes and properties explain the occurrence and fruit production of Brazil nut. Author(s): SILVA, C. S. da; SILVA, L. M. da; WADT, L. H. de O.; MIQUELONI, D. P.; SILVA, K. E. da; PEREIRA, M. G. Soil properties and classes can influence the occurrence of plants and the production of Brazil nut fruits and may have a different distribution between sites. This study aimed to evaluate the relatio... ... Repository: BDPA Publication year: 2021
Digital soil mapping at Parque Estadual da Mata Seca, Minas Gerais state, Brazil: applying regression tree to predict soil classes. Author(s): DART, R. de O.; COELHO, M. R.; MENDONÇA-SANTOS, M. de L.; PARES, J. G.; BERBARA, R. L. L. The use of Digital Soil Mapping (DSM) to predict soil classes is an important issue to decrease costs and subjectivity of soil maps. The main objective of this study was to use DSM to produce soil map... ... Repository: BDPA Publication year: 2010
Legacy data: exploratory analysis to digital soil class mapping. Author(s): CARVALHO JUNIOR, W. de; BHERING, S. B.; PEREIRA, N. R.; CHAGAS, C. da S.; LOPES, C. H. L. The use of legacy data improve the value of these data and promote the input of new data on the database. Also, reduces the primary data collection and analytical procedures. In MS State, the legacy d... ... Repository: BDPA Publication year: 2022
Digital soil mapping for soil class prediction in a dry forest of Minas Gerais, Brazil. Author(s): DART, R. de O.; VASQUES, G. M.; COELHO, M. R.; FERNANDES, N. F. Investment on soil survey has become scarce over the past decades. Digital Soil Mapping (DSM) techniques emerged as an economic alternative to produce soil maps. We applied a classification tree algor... ... Repository: BDPA Publication year: 2015
Artificial neural networks applied for soil class prediction in mountainous landscape of the Serra do Mar. Author(s): CALDERANO FILHO, B.; POLIVANOV, H.; CHAGAS, C. da S.; CARVALHO JUNIOR, W. de; BARROSO, E. V.; GUERRA, A. J. T.; CALDERANO, S. B. A informação de solo é necessária para o gerenciamento do ambiente agrícola. O objetivo deste trabalho foi aplicar redes neurais artificiais (RNAs) para a predição de classes de solos, utilizando como... ... Repository: BDPA Publication year: 2014
Physical and chemical matrix effects in soil carbon quantification using laser-induced breakdown spectroscopy. Author(s): SEGNINI, A.; XAVIER, A. A. P.; OTAVIANI JÚNIOR, P. L.; FERREIRA, E. C.; WATANABE, A. M.; SPERANÇA, M. A.; NICOLODELLI, G.; VILLAS-BOAS, P. R.; OLIVEIRA, P. P. A.; MILORI, D. M. B. P. Advanced field methods of carbon (C) analysis should now be capable of providing repetitive, sequential measurements for the evaluation of spatial and temporal variation at a scale that was previously... ... Repository: BDPA Publication year: 2014

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