This book address fundamental issues of soil degradation and its amendment for agriculture. It will help the reader to adopt simple soil amendment using agricultural waste such sawdust and composting of market waste. Readers will find this book very useful as it revealed effect of land degradation on mycorrhiza population, yield of maize and cowpea. It also deals with the advantages of sawdust and organomineral fertilizer in soil amendment. This book is recommended for soil scientist, environmentalist, ecologist and crop scientist.