Maintaining soil health in oil palm cultivation HISTORY / Africa / East

Maintaining soil health in oil palm cultivation HISTORY / Africa / EastMany existing oil palm plantations were set up after clearing equatorial and tropical rainforests. In tropical forests, the topsoil is where the fertility lies due to its physico chemical properties, developed through an accumulation of organic matter and intense biological activity. In the first four years after felling the properties of this topsoil change rapidly, but it has been reported that the topsoil then evolves towards a new, stable chemical

two scientists stumbled on a major discovery while pulling pieces of Sellotape apart - graphene

contradictions

to place these in context and examine the motives for putting the schemes forward

and demonstrates that this elite discourse was grounded in a commitment to the languages and sciences of Renaissance Humanism

Willows have traditionally been used as biofuel in the form of wood chips for direct combustion in heat and power plants

Explores the relationship between industry and the visual arts in the long nineteenth century

An authoritative review of the position of the IMF and World Bank in their sixtieth year

investment

which quickly ballooned to 200

The chapter pays particular attention to the antioxidant

and deepen our understanding and appreciation of this complex and luminary figure

Through a series of exercises