Short-Term dynamic of soil fertility from integrated crop-livestock systems in tropical savanna
Nenhuma Miniatura disponível
Data
2017-05-01
Autores
Ludkiewicz, Mariana Gaioto Ziolkowski [UNESP]
De Araujo, Leandro Coelho [UNESP]
Galindo, Fernando Shintate [UNESP]
Zagato, Luana Quirino Souza Dayoub [UNESP]
De Oliveira, André Roberto Franco [UNESP]
Maruno, Túlio César [UNESP]
Santos-Araujo, Sabrina Novaes Dos [UNESP]
Título da Revista
ISSN da Revista
Título de Volume
Editor
Resumo
The chemical attributes and the total organic carbon stock of the soil, from crop-livestock integration systems for renovation of degraded pasture, with fodder sorghum, were evaluated in torpical Savanna. The experiment was carried out in randomized block design with five replications, in plots of 200 m2, in Brazilian Savanna. Treatments were (i) degraded pasture of Brachiaria decumbens cv. Basilisk; (ii) conventional renovation method for B. brizantha cv. Marandu (Control); (iii) Marandu sown in succession to sorghum monocrop for ensilage collected 0.45 m above the soil surface; and Marandu seeded simultaneously with the sorghum and harvested (iv) 0.15 and (v) 0.45 m above the soil surface. Carbon stock increases 19.9% in a short time (120 days) in the soil layer of 0.10-0.20 m for integrated crop-livestock systems treatments. All forms of renovation of pasture contributed to increases in macronutrients and reduction of Al in the soil. After 442 days, the higher soil fertility was observed for the Control tratamento indicating that this is a good method of renovation of pasture and it can be used where the crop-livestock can not.
Descrição
Palavras-chave
Carbon Stock, Degraded Pasture, Sorghum, Urochloa.
Como citar
Tropical and Subtropical Agroecosystems, v. 20, n. 2, p. 237-249, 2017.