Conservation agriculture is claimed to be a panacea for the problems of poor agricultural
productivity and soil degradation in sub-Saharan Africa (SSA). It is actively promoted by …

Quantitative techniques for spatial prediction in soil survey are developing apace. They
generally derive from geostatistics and modern statistics. The recent developments in …

Crop production is the single largest cause of human alteration of the global nitrogen cycle.
We present a comprehensive assessment of global nitrogen flows in cropland for the year …

Soil fertility in Africa is under pressure as an increasing number of farmers attempt to make a
living based on what the land can offer to growing plants. Studies in Africa from about 1989 …

Nutrient depletion in soils adversely affects soil quality and reduces crop yield and
consequently poses a potential threat to global food security and agricultural sustainability …

Nutrient balances are useful tools as indicators of potential land degradation and for
optimizing nutrient use, and are thus highly relevant in the African context. A comprehensive …

The required increase in agricultural production to meet future food demand will further
increase pressure on land resources. Integrative indicators of the current status of the …

25 soil surface to erosion, which leads to the loss of the fertile topsoil. Soil compaction, as a
result of excessive soil tillage operations and animal grazing, results in poor crop rooting …

Annotation. Successful agroforestry requires an understanding of the complex relationship
between trees, crops and soils. This book provides a review of both economic and …

The world's population is predicted to hit 9 billion by 2050, up from today's total of nearly 7.4
billion, and with it food demand is predicted to increase substantially. There are many factors …