Evaluating Emissions of Nitrous Oxide from Cropland Soils Under Different Rotations in Mato Grosso, Brazil: A Scenario Simulation Study
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Cited by (3)
Soil formation and properties along a sedimentary lithosequence in the ecotonal Cerrados of Mato Grosso, Brazil
2022, CatenaCitation Excerpt :Studies on soil genesis in these ecological transitions are still incipient, as most soil surveys where of very small scale and carried out in the 1980́s. Although some relevant works focused on soils of the Pantanal wetlands (e.g., Coringa et al., 2012, 2014) and others studied soil fertility and changes due to agricultural management (Hunke et al., 2015; Meurer et al.; 2019; Roy et al., 2017), a considerable portion of Mato Grosso soils has never been investigated with regard to their genesis and composition, even where annual mechanized agriculture is already established, with a few recent exceptions that focused on a basalt-developed toposequence (e.g., Lima et al., 2021). Soil genesis and development in the Cerrado biome is typically marked by the following combination of soil-forming factors: a) large areas of sedimentary formations, typically composed by pre-weathered, nutrient-poor materials; b) predominance of very old planation surfaces of at least Cretaceous age (Silva, 2009), i.e. long time of soil formation, which also resulted in gently rolling or near flat slopes; and c) year-round warm temperatures and intense summer precipitations coupled with dry winters.
Climate-related land use policies in Brazil: How much has been achieved with economic incentives in agriculture?
2021, Land Use PolicyCitation Excerpt :This model was originally developed to describe carbon turnover in agriculturally used soils under temperate conditions. The model has recently been extended to reproduce observed N2ON fluxes from soils under Brazilian cattle pastures (Meurer et al., 2016) and cropland, and to evaluate N2ON emissions under different crop rotations in Mato Grosso (Meurer et al., 2019). Gaseous N losses are assumed to result from denitrification, which is regulated by soil moisture and soil temperature.
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Present address: Department of Soil and Environment, Swedish University of Agricultural Sciences, Uppsala 75007, Sweden