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Last updated: September 2006 Summary: Potassium (K), also referred to as potash, is vital for pasture growth and is an important part of farm fertiliser policy. The visual signs of K deficiency are similar to nitrogen (N) deficiency - yellowing of the pasture, browning off of the tips of grass blades, and prominent urine patches. If clover growth in urine patches is much stronger than in the rest of the pasture, K deficiency is likely. Badly K deficient clovers will have small holes in their leaves. View full Farmfact:
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