Growing Potato

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11 Apr 17 (South Africa - Dry summer sub-tropical climate)
where can I get potato seeds to plant in cape town Hout bay what ratio of organic compost to top soil must I use and must I add riversand
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11 Apr 17 John (Australia - sub-tropical climate)
Seed potatoes are normally available from nurseries, etc. in the winter. livingseeds.co.za (online) also list them and there will be other suppliers as well. The ratio of soil to compost is not an easy question to answer but adding well rotted manure or compost can only help. Fresh manure will cause misshapen tubers. Ensure the soil is loose and friable down to about 300 mm (12") and then plant the potato seed pieces about 200 mm (8") deep. Potatoes form off the stem above the root mass and this space will give them room to develop. River sand would be good if the soil is very heavy and hard.
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