You may be right about different soil types or possibly some different variety. I wonder if the cows refuse to eat it if they are on it from the first of the growing season in the Spring?When had Sericea for hay it was necessary to cut it when it was about knee high. If it gets much taller, the stems get too tough and large to make good hay. Cows will pick through the hay and eat only the tender tops. I would get two cuttings a year here. To cut for hay, the problem is leaf loss. If it gets too dry, the leaves shatter off. Cut about an hour, check the very tip of the stem. When the leaves at the top are dry and crispy it's ready to bale. Bales will be heavy and seem too green, but they will cure out and keep fine. Cows like the hay. Don't know about horses, but years ago a relative sold sericea hay on order to a horse owner who had definite ideas about how it was to be baled. This time of year the sericea is too big to cut for hay. Don't think its a good time to spray it. Spraying with 2,4d probably works better in the Spring when it is young and tender. If you have problem spots in your fields and it is feasible to do so, I would clip it before it makes seed. My opinion based only on reading about it is that nothing beats native grasses for grazing on the Great Plains and that other invasive species are bad. KEH
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