Water crystals help drought-proof plants. But these tiny polymers are leaving gardeners concerned.
Recent extreme rains and weather in the Midwest are causing a multitude of problems in the topsoil that much of the nation's food supply relies on.
US agriculture is dominated by large farms that rely on chemical inputs. In contrast, regenerative farming makes land and water healthier by mimicking nature instead of trying to control it.
Leftover lactose from cheese production shows early promise as a treatment that can help soils retain water and nutrients, making them more resistant to drought.
Big data can be used to properly advise smallholder farmers in Africa and help guide pest monitoring efforts.
The Agriculture Department provides nearly $6 billion annually for land, water and wildlife conservation on farms. President Trump's 2019 budget drastically reduces funds for these programs.
Healthy soil teems with bacteria, fungi, viruses and other microorganisms that help store carbon and fend off plant diseases. To restore soil, scientists are finding ways to foster its microbiome.
Demonstration farms are a key way in which new knowledge can be transferred to farmers around the world.
Pollution has increased carbon in our soils - which is good for climate change. But this carbon may not stay there for long.