Detailing interrelated topics, this work addresses issues and concerns related to plant and crop stress. This edition includes information on stress caused by low or high pH, temperature, carotenoids, light, pollution, and agrichemicals. It also covers water-deficit conditions, oxidative damage to proteins, and abiotic stress tolerance. The authors discuss the molecular biology and microbiological aspects of plant responses under salt, drought, and other environmental stress conditions as well as genetic factors. They also examine soil salinity, soil nutrient deficiency problems, and plant and.