Drying – Types of Drying
DRYING
Natural Dying:
The seeds are spread in a thin layer on beds over the ground. The layer of the seed is constantly distributed so as to permit the lower layers to dry. The time required for natural drying depends on a number of factors including species, the degree of maturity of the seed and weather conditions.
Seed having high moisture contents are likely to forgo. In this case, the seed should be dried at moderate temperature with good ventilation.
Artificial drying:
The rapid, artificial drying of seed is especially useful during rainy or humid weather. A temperature is 450C for a maximum period of 48-72 hours. In some species, a large proportion of seed remains enclosed in the pods e.g. Acacia nilotica, Acacia aneura.
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