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Kettle Moraine, WI | I don't know what state you are from as some state land grant universities have extension agents that could help you find a value for the manure from local fertilizer prices and typical nutrients analysis of your species and confinement system/bedding type of manure. For reference university of Wisconsin system has some good resources about dairy manure. Here is a handy concise publication that may help.
https://ipcm.wisc.edu/wp-content/uploads/sites/54/2022/11/NutrientMa...
If they haven't had any fertility applied for decades, I assume they are not pushing for high profit or high yields so manure application can make it look like magic. | |
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