Ecology Science Debate Series Science Policy 

Could Agriculture Save US Water Supply?

Population growth and climate change are making water an even more scarce resource. Does agriculture have the power to reduce water shortages? By Mackenzie Myers This article is part of a series about key science policy issues. Please use these articles to become an informed voter, ask political candidates about the issues, and put every candidate on record about science. This time of year in California’s Central Valley, it’s easy to see where the Golden State gets its nickname. Golden sun shines on golden grasses of rolling golden hills, parched…

Read More
Maize Biology Botany 

Do We Really Need Fertilizers To Grow Crops?

Plants need nitrogen, and many plants depend on fertilizers to get enough. But scientists have been growing plants without fertilizers. By Radhika Desikan We all learn that plants can make their own food via a complex process called photosynthesis. However, to make their food, and to grow properly, plants need nutrients (chemicals) such as nitrogen, phosphorus, potassium, and calcium from the soil. Although these chemicals are naturally present in most soils, years of intensive farming have depleted soils of these nutrients. As a result, humans have resorted to using artificial…

Read More