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Nitrogen and carbon isotope composition of organic Fertilizers. Author(s): INACIO, C. de T.; CABALLERO, S. S. U.; CHALK, P. M. Synthetic (e.g. urea) and organic fertilizers (e.g. compost) differed markedly in N isotope composition and the greater the difference between organic and synthetic fertilizer the more robust will be... ... Repository: BDPA Publication year: 2013
Fiber fractions, multielemental and isotopic composition of a tropical C4 grass grown under elevated atmospheric carbon dioxide. Author(s): ABDALLA FILHO, A. L.; COSTA JUNIOR, G. T.; LIMA, P. de M. T.; SOLTANGHEISI, A.; ABDALLA, A. L.; GHINI, R.; PICCOLO, M. de C. Abstract: Brazil has the largest commercial herd of ruminants with approximately 211 million head, representing 15% of world?s beef production, in an area of 170 million hectares of grasslands, mostly... ... Repository: BDPA Publication year: 2019
Water relations and carbon isotope composition in young plants of two provenances of Jatropha curcas L. subjected to water deficit. Author(s): GOMES, F. P.; GOMES, L. M. C.; LAVIOLA, B. G.; GRIFFITHS, H. Repository: BDPA Publication year: 2016
Spondias tuberosa trees grown in tropical, wet environments are more susceptible to drought than those grown in arid environments. Author(s): ANTUNES, W. C.; MENDES, K. R.; CHAVES, A. R. de M.; OMETTO, J. P.; JARMA-OROZCO, A.; POMPELLI, M. F. In this study, we investigated the different responses of Spondias tuberosa (umbu) trees, which grow in two different ecological life zones in northeast Brazil: tropical wet and tropical arid ecosyste... ... Repository: BDPA Publication year: 2016
Organic matter in areas under secondary forests and pasture. Author(s): MENEZES, C. E. G.; GUARESCHI, R. F.; PEREIRA, M. G.; ANJOS, L. H. C.; CORREIA, M. E. F.; BALIEIRO, F. de C.; PICCOLO, M. de C. The objective of this study was to evaluate the soil carbon stock (Stock C) and bulk density, the chemical and granulometric fractions of the organic matter and the isotopic signal of the soil δ1... ... Repository: BDPA Publication year: 2017
Impact of Supra-Optimal Temperatures on Physiology and Yield in Rice Field. Author(s): BRITO, G. G. de; FAGUNDES, P. R. R.; TELÓ, G. M.; ABREU, A. G. de; MAGALHAES JUNIOR, A. M. de; FRANCO, D. F.; ANDRES, A.; PARFITT, J. M. B.; KUHN, R. A.; PETRINI, J. A. Repository: BDPA Publication year: 2016
Origin of organic matter and quantity of transported material from Jaguari river, SP and MG, Brazil. Author(s): CAMARGO, P. B. de; COSTA, C. F. G.; FIGUEIREDO, R. de O.; PICCOLO, M. C.; REIS, L. C.; MAJER, P. E. T. The objective was to investigate the origin of the organic matter of the sediment and the particulate material in the Jaguari River, under the influence of different land uses. The basin, a few decade... ... Repository: BDPA Publication year: 2017
Carbon isotope fractionation for cotton genotype selection. Author(s): BRITO, G. G. de; SUASSUNA, N. D.; DIOLA, V.; SOFIATTI, V.; DUCATTI, C.; SILVA, E. T. da; MORELLO, C. de L. Repository: BDPA Publication year: 2014
Organic matter as affected by conservation agriculture of cassava and maize cultivation in an acrisol from Southwestern Brazilian Amazon. Author(s): DICK, D. P.; AQUINO, I. O.; COSTA, F. de S.; DIAS, C. T. S. In the Brazilian Southwestern Amazon, food security agriculture predominates in smallholder farms where cassava cultivation is conducted under conventional tillage (CT). We investigated the impact of... ... Repository: BDPA Publication year: 2022
Three decades of irrigated sugarcane cropping increased the soil carbon stock and substituted most of the original carbon in the brazilian drylands. Author(s): SANTOS, L. R. C.; FREITAS, A. D. S.; SILVA, A. F.; MENEZES, R. S. C.; FERNANDES JUNIOR, P. I.; CAMARGO, P. B.; SAMPAIO, E. V. S. B. Soil carbon (C) dynamics are increasingly studied because of their role in theglobal C cycle and potential influence on atmospheric carbon dioxide con-centrations and climatic changes. The substitutio... ... Repository: BDPA Publication year: 2025

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