Title:	Stock and contents of carbon and nitrogen of soil managed with silicate agrominerals under pasture of Urochloa brizantha cv. BRS Paiaguás in the Cerrado.
Authors:	SILVA, P. B. da CARVALHO, A. M. de SA, M. A. C. de JUNQUEIRA, A. M. R. SOARES, J. P. G. MARCHI, G. MARTINS, E. de S. SOUSA, T. R. de SANTOS, L. F. OLIVEIRA, A. D. de
Affiliation:	PRISCILA BRELAZ DA SILVA, UNIVERSIDADE DE BRASÍLIA; ARMINDA MOREIRA DE CARVALHO, CPAC; MARCOS AURELIO CAROLINO DE SA, CPAC; ANA MARIA RESENDE JUNQUEIRA, UNIVERSIDADE DE BRASÍLIA; JOAO PAULO GUIMARAES SOARES, CPAC; GIULIANO MARCHI, UNIVERSIDADE DE BRASÍLIA; EDER DE SOUZA MARTINS, CPAC; THAIS RODRIGUES DE SOUSA, UNIVERSIDADE DE BRASILIA; LUIZ FERNANDO SANTOS, UNIVERSIDADE DE BRASÍLIA; ALEXSANDRA DUARTE DE OLIVEIRA, CPAC.
Date Issued:	2025
Citation:	In: LATIN AMERICAN AND CARIBBEAN SOIL CARBON RESEARCH SYMPOSIUM, 2025, Rio de Janeiro. [Anais eletrônico...], Galoá, 2025.
Description:	This study assessed the impact of silicate agrominerals (basalt, biotite schist, kamafugite), applied as potassium sources in doses calculated to increase soil CEC, in comparison to potassium chloride (KCl) and a control, on carbon and nitrogen dynamics in a Red-Yellow Latosol under Urochloa brizantha pasture in the Cerrado, Brazil. Analyses of carbon stocks (CS), total carbon (TC), total nitrogen (TN), total organic carbon (TOC), C:N ratio, and soil density (Ds) in the 0-10, 10-20, and 20-30 cm layers, performed using ANOVA and Tukey's test (p<0.05), showed no significant differences for most parameters, including CS (which ranged from 63.34 Mg ha−1 to 72.44 Mg ha−1) and Ds (ranging from 1.13 g cm−3 to 1.23 g cm−3). However, an upward trend was observed for TC with biotite schist (20.02 g kg−1), for TN with KCl (1.23 g kg−1), and for TOC and the C:N ratio with kamafugite, suggesting that both kamafugite and biotite schist show potential for improving soil TC and TOC levels in pastures. The use of silicate agrominerals as a management alternative supports SDG 2 and the Low Carbon Agriculture Plan, offering a pathway for the recovery of degraded areas in livestock production systems.
Thesagro:	Cerrado Pastagem
Keywords:	Latosolo Matéria orgânica do solo Xisto biotítico Kamafugito Estoque de carbono no solo Dinâmica do carbono e nitrogênio Agrominerais silicatados Recuperação de áreas degradadas Soil carbon stock Carbon and Nitrogen Dynamics Degraded area recovery Latosol
Notes:	Pôster.
Type of Material:	Resumo em anais e proceedings
Access:	openAccess
Appears in Collections:	Outras publicações (CPAC)