How could farmers increase the yields of their crops without using genetically modified organisms?

Temperature, light, and carbon dioxide levels affect photosynthesis. Farmers use fertilizers, pesticides, and biological control to increase crop yields.

Explanation:

I hope you know that GMOs are actually a good thing for this planet. They have been known to decrease the need for pesticides. Also, the growing population will require more food as time goes on. GMOs can prevent world hunger in the next hundreds of years.