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Liam Stack, M.Agr.Sc, Technical Manager for Dairygold Agri Business
4-5 bales/acre will remove around 6-8 units of P/ac and 40-50 units of K/ac.
Farmers have found soil K indexes to be low on individual paddocks where a lot of surplus bales are removed, and K is not replenished. Where you have no P allowance, and no slurry is available to spread on these paddocks a compound like 19:0:15 or 27-0-11 is an option.
Table 1: Units of N, P and K removed per acre depending on number of bales per acre.
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