questions: asking about field preparation 
 answers: suggested sowing time : september-october
spacing : 15 cm x 5-7 cm ( row to row x plant to plant )
weeding: first weeding at 30 days and the second at 60 days after planting
harvesting: leaves turn to yellow or brown and show sign of dryness .take out the plant with help of hull and leave for atleast 2-3 days to dry in the field .
early harvest results in poor quality bulbs and cannot be stored for long periods.