The objectives of field preparation are based on the following principles: Elimination and control of undesirable plants like crop volunteers and weeds to reduce competition with the established main crop;
The cultivated groundnut fall into three groups in respect of the habit of growth, namely bunch (Spanish) and Valencea, semi-spreading (Virginia bunch) and spreading (Virginia runner).
In the bunch group, the seeds are round, plump non-dormant with light-rose testa.
