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Growing Sweet Potato, also Kumara

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02 Feb 18 Geoff (Australia - tropical climate)
Does growing sweet potato deplete the soil of any particular mineral. I have grown a good crop of the sweet potato & intend to plant some sweet corn on the next full moon. Is there a particular fertiliser that’s advisable to add, prior to or as planting? I understand that all soils are different, but assuming all things are equal, is there something to add?
05 Feb 18 Mike (Australia - sub-tropical climate)
A bit of fert in the soil now and when the plants are about 12-15
07 Feb 18 Mike (Australia - sub-tropical climate)
When the plants are about 12-15
05 Feb 18 Mike (Australia - sub-tropical climate)
Someone recently told me sweet potatoes take a lot out of the soil - NPK and trace elements etc. A general all round fert should have about 10-14 N 3-10 P and 12-15 K with 1-2 S. You can then up grade to a fert with trace elements. I buy from a farmers fert depot. 25Kg bags cost $20-25 and $30-35 with elements in it. You can buy stuff from supermarkets or Bunnings but you pay 2-4 times the price for smaller 2-5kg bags. Or you can go the organic way with manures et.
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This planting guide is a general reference intended for home gardeners. We recommend that you take into account your local conditions in making planting decisions. Gardenate is not a farming or commercial advisory service. For specific advice, please contact your local plant suppliers, gardening groups, or agricultural department. The information on this site is presented in good faith, but we take no responsibility as to the accuracy of the information provided.
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