Agrogeology

This book offers a basic understanding of the geology of plant nutrients and provides information on processes that are involved in the release of nutrients from rocks to soils, for the growth of plants. The reader will become aware that ‘crops need rocks as nutrient stocks’. The reader will also find out more about the raw materials and processes necessary to make conventional and low-cost geological fertilizers and soil amendments, and on ways to utilize these geological resources directly or through processing. In addition, the reader will become sensitized on environmental issues related to the extraction of geological nutrient resources and the use of these resources in agriculture.