Ruminant livestock production in the tropics, particularly when based on pastures, is
frequently blamed for being detrimental to the environment, allegedly contributing to:(1) …

As global demand for livestock products (such as meat, milk and eggs) is expected to double
by 2050, necessary increases to future production must be reconciled with negative …

Abstract In the Orinoco River Basin of eastern Colombia large scale and rapid conversion of
natural savannas into commercial agriculture exists as a critical threat for the ecological …

Global agriculture is now at the crossroads. The Green Revolution of the last century is
losing momentum. Rates of growth in food production are now declining, with land and …

Establishment of improved tropical pastures on acid savanna soils of low fertility can
increase the soil organic matter (SOM) content and soil fertility. Our objective was to follow …

Large, round-shaped surface casts derived mainly from the anecic Martiodrilus sp., family
Glossoscolecidae were investigated for their structural stability and the composition of soil …

On acid low-phosphorus (P) Colombian Oxisols, improved pastures with acid-soil-tolerant
grass and legume varieties have increased beef production by a factor of 10 to 15 with only …

The structure and seasonal changes of earthworm communities were evaluated in a natural
savanna and in a improved grass-legume pasture in a Colombian oxisol over a period of 18 …

The vertical distribution of native earthworm species from natural and disturbed savannas in
the Oxisols of the Colombian Llanos was assessed in a native savanna and in a 17-year-old …

Beef cattle production constitutes the main land use in the neotropical savannas of the
eastern Colombian Orinoquia. However, the effects of Brachiaria decumbens Stapf (Bd) …