This vintage text contains a detailed treatise on the chemistry of agricultural fungicides and insecticides. The huge financial loss associated with the loss of crop due to insects and fungi has led to the artificial control of the pests with a large number of substances - and it is the purpose of this volume to set out the nature and chemical properties of these substances. Full of practical information suitable for both the student and the agricultural professional, this text makes for a worthy addition to any colelction of farming literature. Many antiquarian books such as becoming increasingly hard to come by and expensive, and it is with this in mind that we are proudly republishing this book now in an affordable modern edition - complete with a new introduction on farming.