Potatoes are very suitable for marketing thanks to their popularity and flexibility. But good yields are needed for commercial production to cover the high costs of cultivation and mechanization. Nutrient and water supply to harvest and storage. Cultivate with sufficient distance from other potato plots to avoid virus infection and blight. Production at higher altitudes results in more slow-sprouting planting material. Heritage varieties Specialty: only cultivate them in agreement with buyer or sell directly.  Conserving varieties: Organisations like Seka Organics within the UK could also be ready to help with sourcing Heritage varieties, but demand is especially from domestic gardeners. Often lower yields than modern varieties, higher wholesale prices. Planting material considerably more expensive than for modern varieties. Planting at wide spacing can result in happy crops particularly where planting is irregular or emergence poor. Total yield may be reduced as a result so planting at higher densities. Organic farming uses organically bound nutrients as fertilizes. Organic farmers ‘feed’ the microorganisms in the soil, which make the nutrients available for the plants. Organic farming uses organically bound nutrients as fertilizers. Organic farmers ‘feed’ the microorganisms in the soil, which make the nutrients available for the plants.