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East Central Ia | Im not sure i buy the slow release N theory. We have seen the exact opposite here. We always struggled with late season N with our manure ground.
We have gone to split applying and have really seen our yields stabilize.
We apply our manure off our P and K needs now and supplement the rest of our N.
That started out with fall manure, followed by 50-75 units of spring nh3.
Now we are using cover crops so we fall apply the manure, spread rye, VT the rye in and level off the manure tracks. Then spring we stream some liquid N on top of the row after planting (to help with N tie up from the rye), and can come back and topdress Urea in June depending on the season.
This has REALLY helped stabilize some great yields on our manure ground.
Edited by bleedred 3/15/2017 10:13
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Hog manure...COC......Side Dressing N?
