This book focuses on the preharvest practices on the production and quality of food crops. Nine chapters are included in this book, which are: Effect of Preharvest Factors on the Quality of Vegetables Produced in the Tropics - Vegetables: Growing Environment and the Quality of Produce; Effects of Agronomic Practices and Processing Conditions on Tomato Ingredients; Modelling Fruit Quality: Ecophysiological, Agronomical and Ecological Perspectives; Sprays Technology in Perennial Tree Crops; Chestnut, an Ancient Crop With Future; Improvement of Grain Legume Production in Semi-Arid Kenya Through Biological Nitrogen Fixation: The Experience With Tepary Bean (Phaseolus Acutifolius a Gray var. Latifolius); Impact of Ozone on Crops; Saffron Quality: Effect of Agricultural Practices, Processing and Storage; Fruit and vegetables Harvesting Systems. It will stimulate readers thinking on key constraints in agriculture and horticulture. Readers will get acquainted with a wide range of information, technologies and methodologies.