Sustainable intensification practices suitable for smallholders in southern Africa will be
needed to counteract the impact of future climate change and soil fertility decline in the …

Soil acidity is a common, long-existing problem in smallholder farmer crop production
systems of South Africa. Soils that have low cation exchange capacity, high aluminium …

To improve the effectiveness of manure applications in managing the fertility of cropped
soils, information on the nitrogen, phosphorus and potassium content of ruminant and …

Soil acidity is crucial for crop yields. Acidic soils decrease the availability of important
nutrients to plants, causing lower yields. This applies to both naturally occurring nutrients …

In many economic contexts, decision making compares alternative beneficial courses of
action. When comparing competing beneficial choices, it may not suffice to assess the …

Poor soils are a major cause of poverty in sub-Saharan Africa, and thus restoration of soil
fertility is a significant challenge for sustainable agriculture. Some of the main resources …

This manual is a concise guide to the small-scale production of agricultural lime. It was
developed as part of a research project,'Low-cost lime for small-scale farming'otherwise …