Due to strict environmental regulations, farmers are not allowed to spread all of their manure on their land. At the same time, they use synthetic fertilizers to provide their crops with sufficient ...

With silage harvest underway in Minnesota and North Dakota, another critical season begins: fall manure application. After choppers leave the field, farmers turn to dairy manure to prepare the soil ...

Environmental scientists and water resource managers need precise, high-resolution maps to reveal areas that farmers should avoid when planting crops, to limit polluting waters with phosphorus from ...