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Showing items 40456 through 40464 of 73422.Farmers in Malawi remove woodlands to plant crops but they also derive a vast range of other basic needs from the surrounding forests. These miombo woodlands have until relatively recently always been vast in comparison to the human population and their needs.
Long-term ecological effects of transgenic Bacillus thuringiensis (Bt) crops on nontarget pests have received limited attention, more so in diverse small holder based cropping systems of the developing world.
Ce dépliant explique comment obtenir des plants de haute qualité.
Ethiopia is at a critical crossroads with a burgeoning population, a severely depressed national economy, insufficient agricultural production, and a minimal number of devel- oped energy sources.
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