Chapter 7. Paul S. Teng, Serge Savary, Imelda Revilla. 1993. Systems of plant protection. Pages 116-139. In: Derek J. Chadwick, Joan Marsh (editors). 1993. Crop Protection and Sustainable Agriculture. Ciba Foundation Symposium 177. Chichester, UK. John Wiley Interscience Publication, 285 pages.

Keywords: a framework for analyzing plant protection systems, comparison of cropping systems with respect to intensification parameters and plant protection techniques, plant protection in relation to cropping systems, traditional/indigenous rice cultivation in the Philippines, the traditional maize-rice-groundnut cropping system in West Africa, the cotton-maize groundnut cropping system in West Africa, sugar beets in the Midwestern USA, irrigated rice systems in the Mekong Delta, Vietnam,

vegetables in South East Asia, wheat in the mid-western USA, general issues affecting plant protection systems, crop intensification and changing risk in agricultural production, yield loss, relationship between groundnut yield and diseases in northern Ivory Coast, rice crop loss database, infrastructure and support services, farmer involvement in plant protection, correspondence analysis of rice farmers’ perceptions of their pest problems in Central Luzon, Philippines, the impact of plant protection on the environment and human health, estimated total environmental and social costs associated with pesticide usage in the USA