Book excerpt: An authoritative reference on the subject of using non-chemical controls on greenhouse-grown crops, this book explains the latest in crop-management techniques from around the globe. The contributing authors come from the United States, Canada, the United Kingdom, Spain, the Netherlands, Germany, Denmark, Italy, and Asia. Biological control factors and the various types of controls -- predators, parasites, nematodes, and pathogens -- are described. Information is also provided on greenhouse structures, sampling, quality control, specific pests on both ornamental and vegetable crops -- whiteflies, spider mites, leafminers, thrips, aphids, other minor pests -- and soil borne pests. Specific crops are also discussed, including chrysanthemums, poinsettias, cut flowers, foliage plants, woody ornamentals, bedding plants, cucumbers, sweet peppers, tomatoes, and mushrooms.