According to question, increased use of no-till farming is most effective in reducing nutrient pollution that contributes to the formation of the dead zone in the gulf of Mexico.
The Dead Zone's causes include Massive volumes of nutrients, especially nitrogen and phosphorus, were carried into the Gulf of Mexico by heavy rains and melting snow from farmland, sewage treatment facilities, and other sources along the Mississippi River.
To reduce nutrient pollution use fewer fertilizers and changing the timing of fertilizer applications to reduce runoff of excess nutrients from fields. control of animal feces to prevent their influx into waterways.
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