A new state law kicks in Dec. 21, limiting the land application of liquid manure on snow-covered ground to emergency situations. The law does not apply to manure from open feedlots or dry manure. It applies to confinement (totally roofed) facilities with liquid manure that have 500 or more animal units. Generally, 500 animal units would be 1,250 finishing hogs; 5,000 nursery pigs; 500 steers, immature dairy cows or other cattle; or 357...

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