First published in 1991. This is a more portable version of the Booker Tropical Soil Manual, in which the format (and weight) of the first edition have been red

Introduction; Types of land resource field studies; Survey organisation and practice; Classification and mapping of soils; Land evaluation; Soil physics; Soil c

Food insecurity is a fundamental challenge to human welfare and economic growth in Africa. Low agricultural production leads to low incomes, poor nutrition, vul