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Growing Sweet Potato, also Kumara

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16 Aug 18 Adrienne (New Zealand - sub-tropical climate)
Can you please tell me what is the best type of fertiliser to prepare the soil for kumara?
11 Sep 18 Mike (New Zealand - temperate climate)
Any general fertiliser - but probably something with a fair bit of P in it. N P K - something like 10 -14N, 6-10 P, 10-15 K.
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