Nitrate has been a persistent groundwater problem in Minnesota for decades, largely due to agriculture and a ________.

Minnesota residents filed a petition to the EPA in April 2023 asking the agency to use its emergency powers under the __

____ is a common component of commercial fertilizer and animal manure used on crop land, and can leach into groundwater.

The safe health limit of nitrates in drinking water is _______________.

Officials from the state __________ say 89% of nitrate in southeast Minnesota water comes from commercial fertilizer.

Soils have limited quantities of ________ forms of nitrogen, which do not provide crops sufficient nitrogen.

With more research and development, scientific experts say ______ could be a viable alternative to nitrogen fertilizers.

A recent survey stated nearly _______ of farmers said that crop yields will fall if forced to reduce their use of fertilizer.

_________ is implementing a series of mandatory and enforceable pollution prevention and water conservation measures

The tribal rules oppose state and federal laws, which have advocated ______________ in pollution prevention.

The U.S. Department of Agriculture provides farmers in Minnesota and every other state more than __________ annually for conserving water.

The Pollution Contol Agency reported that ___________ pounds of nitrogen drains from state farmland annually into the Mississippi River

Regulation type where certain action or pollution practice is forbidden by law, controlled by authorities, and fined if the law is violated