Nitrous Oxide Emissions and Ammonia Volatilization from Pasture after Cattle Dung and Urine Applications in the Dry and Rainy Seasons of the Brazilian Cerrado-Reference-Cited by-同舟云学术

Nitrous Oxide Emissions and Ammonia Volatilization from Pasture after Cattle Dung and Urine Applications in the Dry and Rainy Seasons of the Brazilian Cerrado

Published:2024-06-11 Issue:6 Volume:14 Page:1257
ISSN:2073-4395
Container-title:Agronomy
language:en
Short-container-title:Agronomy

Author:

Ramos Maria Lucrecia Gerosa¹^ORCID,da Costa Adriana Rodolfo²,Madari Beata Emoke³,Carvalho Glaucilene Duarte⁴,Pereira Ana Claudia de Castro⁵,Corrêa Rubia Santos⁶,de Sousa Thais Rodrigues¹^ORCID,de Carvalho Arminda Moreira⁷^ORCID

Affiliation:

1. Faculdade de Agronomia e Medicina Veterinária, Universidade de Brasília, Brasília 70910-970, Brazil

2. Departamento de Agronomia, Campus Sudoeste, Universidade Estadual de Goiás, Avenida Brasil, n. 435, Bairro Conjunto Hélio Leão, Qurinópolis 75860-000, GO, Brazil

3. Embrapa Arroz e Feijão, Rodovia GO-462, km 12, Zona Rural, Santo Antônio de Goiás 75375-000, GO, Brazil

4. Secretaria-Geral de Governo do Estado de Goiás, Rua 82, n. 400, St. Central, Palácio Pedro Ludovico Teixeira, Goiânia 74015-908, GO, Brazil

5. Centro Universitário de Goiás—UNIGOIÁS, Avenida João Cândido de Oliveira, n 115, Cidade Jardim, Goiânia 74435-115, GO, Brazil

6. Palácio Pedro Ludovico Teixeira, Rua 82, n° 400, 2° andar—St. Central, Goiânia 74083-010, GO, Brazil

7. Embrapa Cerrados, Rodovia BR-020, km 18, Caixa Postal 08223, Planaltina 73310-970, DF, Brazil

Abstract

An important source of greenhouse gases in Brazil is the nitrous oxide (N2O) emission from pasture, and microorganisms play an important role in nitrogen transformations in the soil. This study aimed to evaluate N2O emission and NH3 volatilization from bovine excreta in pasture in an integrated crop–livestock system (ICL) in the Brazilian Cerrado. Three treatments (urine, dung and control) were performed in two pastures (Area 1—three-year pasture of Urochloa ruziziensis and Area 2—one-year pasture of Urochloa brizantha cv. Piatã), with two application times of the excreta (dry and rainy season), during two successive years of application. Compared to the control, the excreta deposition on ICL increased soil N2O and NH3 fluxes. In the dry season, N2O fluxes were associated with higher ammonium (NH4+) availability. In the rainy season, these fluxes were related to NO3− availability and water-filled pore space (WFPS). In both areas, NH3 volatilization was higher after urine than dung application, especially in the dry season. The highest N2O emission factors were obtained for urine (0.32%), the rainy season (0.36%), and older pasture (Area 1: 0.24%). All these values were below the mean IPCC default values (0.77%). These results indicate that N2O emissions in pasture should be evaluated in regional conditions.

Funder

Foundation for Research Support of the Federal District, Fundação de Apoio à Pesquisa do Distrito Federal—FAPDF

New Zealand Government

Publisher

MDPI AG

Link

https://www.mdpi.com/2073-4395/14/6/1257/pdf

Reference60 articles.

1. Nitrogen emissions along global livestock supply chains;Uwizeye;Nat. Food.,2020

2. MCTI (2022, March 06). Ministério da Ciência, Tecnologia e Inovação. Estimativas Anuais de Emissões de Gases de Efeito Estufa no Brasil/Annual Estimates of Greenhouse gas Emissions in Brasil. 6th Edition. Brasília, DF. 136 Pages, Available online: https://www.gov.br/mcti/pt-br/acompanhe-o-mcti/sirene/publicacoes/estimativas-anuais-de-emissoes-gee.

3. The chemistry, biology, and modulation of ammonium nitrification in soil;Wendeborn;Angew. Chem. Int. Ed.,2020

4. Wang, H., Yan, Z., Ju, X., Song, X., Zhang, J., Li, S., and Zhu-Barker, X. (2023). Quantifying nitrous oxide production rates from nitrification and denitrification under various moisture conditions in agricultural soils: Laboratory study and literature synthesis. Front. Microbiol., 13.

5. Han, B., Yao, Y., Liu, B., Wang, Y., Su, X., Ma, L., Liu, D., Niu, S., Chen, X., and Li, Z. (2024). Relative importance between nitrification and denitrification to N2O from a global perspective. Glob. Chang. Biol., 30.