Author(s): 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... ...

Repository: BDPA     Publication year: 2015

Author(s): 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%... ...

Repository: BDPA     Publication year: 2023

Author(s): 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... ...

Repository: BDPA     Publication year: 2013

Author(s): 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... ...

Repository: BDPA     Publication year: 2021

Author(s): GIONGO, V.; GALVÃO, S. R. da S.; MENDES, A. M. S.; GAVA, C. A. T.; CUNHA, T. J. F.

The Brazilian semi-arid tropics occupies an area of 969,589 km2 that represents 11% of the national territory and the Caatinga is its most representatives Biome with an area of 844.453 km². However, a... ...

Repository: BDPA     Publication year: 2011

Author(s): SPADOTTO, C. A.; DORES, E. F. G. de C.; MINGOTI, R.

ABSTRACT: Agriculture areas in the tropical region has high occurrence of pests that requires more intense control practices usually by using pesticides, and soil and water contamination is an increas... ...

Repository: BDPA     Publication year: 2024

Author(s): VASCONCELOS, M. J. V. de; FIGUEIREDO, J. E. F.; OLIVEIRA, M. F. de; SCHAFFERT, R. E.; RAGHOTHAMA, K. G.

ABSTRACT - Phosphorus is an essential macronutrient for plant growth and development. However, phosphorus availability is low in many soils, and the plant?s ability to acquire phosphorus from the rhiz... ...

Repository: BDPA     Publication year: 2022

Author(s): BETTIOL, W.; GHINI, R.

A long-term assay was conducted to evaluate the environmental impacts of agriculture use of sewage sludge on a tropical soil. This paper describes and discusses the results obtained by applying a inte... ...

Repository: BDPA     Publication year: 2011

Author(s): 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... ...

Repository: BDPA     Publication year: 2007

Author(s): 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... ...

Repository: BDPA     Publication year: 2011