Autoria: SPADOTTO, C. A.; MINGOTI, R.

ABSTRACT: The tropical region can be geographically defined, using latitudinal delimitation, as that part of the earth located between the Tropic of Cancer and the Tropic of Capricorn, comprising 38%... ...

Repositório: BDPA     Ano de publicação: 2023

Autoria: HEDIN, L. O.; MCGRODDY, M.; HOULTON, B.; MORAN, E. F.; BATISTELLA, M.

Tropical forest soils often tend to be rich in nitrogen but poor in phosphorus. We have measured hydrologic nitrogen and phosphorus losses from soils across a soil fertility gradient in the central Am... ...

Repositório: BDPA     Ano de publicação: 2004

Autoria: CASTRO, G. S. A.; CRUSCIOL, C. A. C.; CALONEGO, J. C.; ROSOLEM, C. A.

Increased soil organic matter (SOM) improves the cation exchange capacity of tropical weathered soils, and liming is required to achieve high yields in these soils. Despite a decrease in SOM in the sh... ...

Repositório: BDPA     Ano de publicação: 2015

Autoria: LEITE, L. F. C.; DORAISWAMY, P. C.

CQESTR simulates the effect of management practices on soil organic carbon (SOC) stocks. The beta version of the model had been calibrated and validated for temperate regions. Our objective was to eva... ...

Repositório: BDPA     Ano de publicação: 2007

Autoria: BERNARDI, A. C. C.; CARVALHO, M. C. S.; POLIDORO, J. C.; BENITES, V. M.

Potassium (K) fertilization is one of the most common nutrient inputs used by farmers to cultivate crops on Brazil?s highly weathered, low-fertile and acidic tropical soils. Soil K is typically classi... ...

Repositório: BDPA     Ano de publicação: 2013

Autoria: JESUS, I. R. D. de; BENITES, V. de M.; POLIDORO, J. C.; LAFORET, M. R. C.; PAIVA, D. W. de; COSTA, H. G.

This paper aims to present the FertBrasil network, a network leaded by the Brazilian Agricultural Research Corporation ? Embrapa, that includes more than three hundreds of researchers in more than fif... ...

Repositório: BDPA     Ano de publicação: 2013

Autoria: RONQUIM, C. C.

Global agricultural production will have to increase by 70% until 2050 to provide for the increasing food supply needed for a growing population, with growing revenues and a shifting, protein-based di... ...

Repositório: BDPA     Ano de publicação: 2021

Autoria: CARBO, L.; MARTINS, E. L.; DORES, E. F. G. C.; SPADOTTO, C. A.; WEBER, O. L. S.; DE-LAMONICA-FREIRE, E. M.

Sorption of acetamiprid (E)-N1-[(6-chloro-3-pyridyl)methyl]-N2-cyano-N1-methylacetamidine), carbendazim (methyl benzimidazol-2-ylcarbamate), diuron (N-(3,4-dichlorophenyl)-N, N-dimethyl urea) and thia... ...

Repositório: BDPA     Ano de publicação: 2007

Autoria: VOLF, M.; BENITES, V. de M.; ROSOLEM, A. C.; CRUSCIOL, A. C.; MORAES, F. M.; MENEZES, F. J.; SILVA, C. A.

The original soil exchangeable potassium (K) concentrations are at or above critical levels in many Brazilian Cerrado (savanna) soils. Hence, many cropped areas have been fertilized with low K rates,... ...

Repositório: BDPA     Ano de publicação: 2017

Autoria: VICENTE, L. E.; SOUZA FILHO, C. R. de

Soil characteristics provide important support for understanding transformations that occur in environmental systems. Physical characteristics and chemical compositions of soils controlled by pedogene... ...

Repositório: BDPA     Ano de publicação: 2011