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White House is 'close' on Japan, India tariff agreements but expect them to be light on specifics; Families in limbo following federal energy assistance program cuts- we have reports from NH and MD; NV adopted CA's 'clean car' standard, rule now under GOP examination.

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Educators worry about President Trump's education plan, as federal judges block several of his executive orders. Battles over voting rules are moving in numerous courts. And FSU students protest a state bill lowering the age to buy a gun.

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Migration to rural America increased for the fourth year, technological gaps handicap rural hospitals and erode patient care, and doctors are needed to keep the Eastern Band of Cherokee Indians healthy and align with spiritual principles.

PA farmers urged to minimize manure input on fields during winter

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Monday, February 17, 2025   

Winter in Pennsylvania brings farmers not only snow and freezing temperatures but stricter manure-spreading regulations to minimize water pollution.

Putting manure on farm fields is discouraged during winter months or when the ground is snow-covered or frozen at least four inches deep.

Robert Meinen, assistant research professor and extension specialist at Pennsylvania State University, said manure can provide essential nutrients to crops and reduce fertilizer costs but the nutrients have to stay in the fields to maximize their value and not run off into waterways.

"One of the drawbacks is, and the trade-off is, that we have to be careful because we also have environmental risk -- in particular, nitrogen and phosphorus -- if they get into surface water or groundwater, can cause pollution," Meinen explained.

Meinen pointed out in Pennsylvania, farms fall into different categories, including concentrated animal feeding operations, which the Environmental Protection Agency defines based on animal numbers and manure output. The large-scale operations face stricter federal oversight but the state's winter manure laws apply to all farms.

Meinen noted farmers applying manure in winter must follow strict guidelines, including Manure Management Plan requirements. He added winter applications require more conservative measures than in warmer weather, from lower application rates to field slope limitations.

"Restrictions on the slope of the field that you can go on, so a steep slope is to be avoided," Meinen emphasized. "Ground cover requirements, meaning that we can't have a bare soil surface that manure's applied to in the wintertime. It must have some kind of cover crop, or thick ground cover from crop residue."

He stressed Pennsylvania and other states have tightened their rules for putting manure on farm fields in the winter. The state defines winter as mid-December through the end of February, although the rules also apply when the ground is frozen or snow-covered.


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