Heavy metals Industrial Wastes and Effluents 4 Drought resistance 2 Effect of stress on 2 Environmental Tolerance of Plants 2 Meteorology and Climate 2 Pesticides 2 more ... Plant Physiology and Biochemistry 2 Plant Production 2 Plants 2 Pollution 2 Pollution and Degradation 2 Salinity 2 Salt tolerance 2 Stress 2 Stress response 2 Toxicology 2 Adaptation 1 Agricultural pollution 1 Agriculture 1 Aluminium 1 Amino acids 1 Ammonium 1 Animal Husbandry and Production, (New March 2000) 1 Animal Wastes 1 Aquatic Produce 1 Aromatic hydrocarbons 1 Bacteria 1 Bacterial toxins 1 Beneficial organisms 1 less ...