Plants, Genes, and Agriculture looks at the human population and the food supply now and how the global food system has changed over time. It looks at the role of plants in the human diet. It considers the importance of genes, genomics, and molecular biology. It asks how we can convert solar energy into crop-production and considers innovations in agriculture. The text also looks at soil ecosystems, plant nutrition, biotic challenges from weeds, plant diseases, biotic changes, and abiotic stress. The text then considers food safety, and asks specifically if foods made from GE crops are safe to eat. It ends looking at how technology has impacted plants and agriculture over the last few years.