Nitrogen and Agriculture: A Deep Dive
In this informative content, delve into the world of nitrogen and its impact on agriculture. Explore articles, videos, regulations, and management plans related to agricultural nitrogen use. Discover triggers and requirements for nutrient management plans in Wisconsin. Uncover the importance of managing nitrogen in agriculture for environmental sustainability.
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Presentation Transcript
Nitrogen and Agriculture Let s Talk About It! AAE 320 FALL 2018
Articles/Videos Ecosystems: Down on the Farm (Environmental Defense Fund Video) 2. A Brief History of Our Deadly Addiction to Nitrogen Fertilizer (Mother Jones) 3. Nutrient Pollution: The Sources and Solutions: Agriculture (US EPA and USDA NRCS) 4. Taking a Stand Against Those Who Pollute Drinking Water (Environmental Working Group) 5. Update on DMWW Lawsuit (FarmDOC) 1.
Questions to Consider What grabbed your attention when reading the article/watching the video? What does the author want farmers to do? What kind of regulations should we have for agricultural nitrogen use? Who should pay for it? Who made the media item? How reliable are they? What was their agenda?
Agricultural Use of Nitrogen & Phosphorous in WI As long as it does not cause damage, no laws regulate how much fertilizer a farmer can use (rate, timing) If a farmer spreads manure on frozen ground and it kills fish, the farmer can be fined Several triggers exist that require a farmer to have a Nutrient Management Plan for the farm See the link to What is a Farm Nutrient Management Plan? on the class page
What Triggers Needing to File a Nutrient Management Plan in Wisconsin? Participate in USDA-NRCS Programs Permitted Livestock Operations (NR243) Wisconsin s Livestock Siting Ordinance (ATCP51) County & Local Zoning County Programs Priority Watersheds & Outstanding/Exceptional Resource Water Protection Areas (NR 151) Land & Water Conservation Plans (NR 151) Working Lands (Farmland Preservation) Tax Credit If accept cost-share to create a plan (ATCP 50)
What is a Farm Nutrient Management Plan? A strategy for obtaining the maximum return from on- farm and commercial fertilizer resources in a manner that protects water quality Measure current levels of soil fertility Determine crop nutrient needs Account for on-farm nutrient resources (manure, legumes, residual N) Adjust commercial fertilizer application rates If a plan is required for an agricultural or environmental program, the plan must meet USDA- NRCS s Nutrient Management Standard 590
