According to the grading system promulgated under the Agricultural Product Standard Act, 1990 (Act No. 119 of 1990), there are four classes of potatoes: Class 1. Class 2. Class 3. Lowest class. Potatoes should be stored in containers that are intact, clean, suitable...
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Potatoes
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Pests and Diseases
The table below provides information on the most common potato pests, their symptoms and how to control them. Common pests of potatoes and how to control them. Pest Symptoms Images Control measure(s) Potato aphid Macrosiphon euphorbiae Aphids are small,...
Yield Potential
Potato yield expectancy varies depending on several factors such as soil quality, weather, and disease prevalence. However, a conservative yield for potatoes is typically estimated at 15 tonnes per hectare. An average yield, when all the factors are optimal, is around...
Harvesting
It is important to wait until the crops are fully mature, with dead haulm and tubers that have hard skins, before lifting them. It is not recommended to lift crops with immature or blighted foliage. After burning off the foliage, it is advisable to allow at least 10...
Fertilisation
Potatoes have many uses, from fresh markets to processed fried products, starch, seed, and more. Each type of potato has specific nutrient requirements, which are affected by the location and climate. To achieve higher yields, the potato plant needs high...