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Tara (Caesalpinia spinosa) in natural and agroforestry systems under an altitudinal gradient in the Peruvian Andes: responses to soil and climate variation. Author(s): MURGA-ORRILLO, H.; ABANTO-RODRIGUEZ, C.; DIONISIO, L. F. S.; CHU-KOO, F. W.; SCHWARTZ, G.; BUSTAMANTE, E. N.; STEWART, P. M.; AMORIM, R. S. S.; VOURLITIS, G. L.; LOBO, F. de A.; BARDALES-LOZANO, R. M. This research examined how edaphoclimatic variations are related to dendrometric variables of the Tara tree in natural and agroforestry systems in Cajamarca, Peru. Evaluations followed three approache... ... Repository: BDPA Publication year: 2023
Baseline and quality reference values for natural radionuclides in soils of Rio de Janeiro State, Brazil. Author(s): RIBEIRO, F. C. A.; LAURIA, D. da C.; SILVA, J. I. R.; LIMA, E. S. A.; AMARAL SOBRINHO, N. M. B. do; PEREZ, D. V. A first large-scale systematic survey of natural radioactivity contents of soils of the state of Rio de Janeiro is presented, focused on the establishment of Quality Reference Values (QRVs). Undisturb... ... Repository: BDPA Publication year: 2018
Natural rock of Ipirá used as soil conditioning cropped with commom bean. Author(s): OLIVEIRA, I. P. de; CUSTÓDIO, D. P.; NEVES, B. P. das; MOTA, R. S. S. Repository: BDPA Publication year: 2006
Prediction of soil shear strength in agricultural and natural environments of the Brazilian Cerrado. Author(s): SILVA, R. B. da; DIAS JUNIOR, M. de S.; IORI, P.; SILVA, F. A. de M.; FOLLE, S. M.; FRANZ, C. A. B.; SOUZA, Z. M. de Resumo ? O objetivo deste trabalho foi desenvolver modelos uni e multivariados para estimar a tensão de cisalhamento máxima (tmáx), sob diferentes tensões normais (?n), conteúdos de água (U) e manejos... ... Repository: BDPA Publication year: 2015
Soil carbon and nitrogen stocks under natural forested savannah and cultivated pasture in the Pantanal, Mato Grosso do Sul, Brazil. Author(s): FERNANDES, F. A.; CARDOSO, E. L.; FERNANDES, A. H. B. M. The goal of this study was to estimate the soil C and N stocks under Urochloa spp.pasture with a natural forested savannah as a reference. Repository: BDPA Publication year: 2016
Nitrous oxide emissions from soil of natural grassland under different intensifications in Pampa biome. Author(s): VOLK, L. B. da S.; GENRO, T. C. M.; TRINDADE, J. P. P. The Pampa Biome occurs in just 2.07% of Brazilian territory, but in Rio Grande do Sul state occurs in 63% (176,496 km2) of gaucho territory. Repository: BDPA Publication year: 2016
Natural rock of Ipirá effects on common bean (Phaseolus vulgaris) production and soil acidity. Author(s): OLIVEIRA, I. P. de; CUSTÓDIO, D. P.; NEVES, B. P. das; SANTOS, R. S. R. Repository: BDPA Publication year: 2006
Production, nutritional status and chemical properties of soils with addition of cattle manure, reactive natural phosphate and biotite schist in Massai cultivar. Author(s): MOREIRA, A.; FAGERIA, N. K.; SOUZA, G. B. de; FREITAS, A. R. de The objective of this work was to evaluate the effects of cattle manure, reactive natural phosphate and biotite schist on the soil fertility, yield and nutritional status of Megathyrsus spp. cv. Massa... ... Repository: BDPA Publication year: 2010
Soil organisms associated to the weed suppressant Crotalaria juncea (Fabaceae) and its importance as a refuge for natural enemies. Author(s): TAVARES, W. S.; CRUZ, I.; SILVA, R. B.; FIGUEIREDO, M. L. C; RAMALHO, F. S.; SERRÃO, J. E.; ZANUNCIO, J. C. Organismos de solo desempenham um importante papel em cultivos orgânicos de Crotalaria juncea (Fabaceae) e estão associados com a conservação natural do ambiente. O presente estudo teve como objetivo... ... Repository: BDPA Publication year: 2011
Soil microbiological properties and enzyme activity in agroforestry systems compared with monoculture, natural regeneration, and native Caatinga. Author(s): MIGUEL, D. L.; SILVA, E. M. R. da; SILVA, C. F. da; PEREIRA, M. G.; LEITE, L. F. C. Repository: BDPA Publication year: 2020

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