fertilizers
disease control in crops biological and environmentally friendly approaches
this important book examines the development and potential exploitation for a range of non chemical approaches to disease control with a focus on the need for a greater understanding of crop ecology as the basis for effective disease control in the field . chapters in the book include coverage of cultural practices biological control methods induced resistance the use of composts and compost extracts host plant resistance the exploitation of tolerance the use of variety mixtures biofumigation solarisation sulfur induced resistance the use of essential oils the disguising of leaf surfaces and the use of bacteriophages .