Genetic engineering is an important tool for improving agricultural crops, enhancing their yield and quality. By modifying genes, plants can be developed to resist diseases, tolerate drought or salinity, and increase their nutritional content. For example, varieties of rice and maize have been developed to resist pests and diseases, reducing the need for chemical pesticides and protecting the environment. Genetically improved crops may also provide additional nutritional benefits, such as higher levels of vitamin A or protein. These technologies contribute to global food security, especially in regions facing climatic challenges or limited resources, although their use requires careful assessment to ensure environmental and health safety.