Question: asking about season of planting and field preparation of betel vine
Answer: season
november - december and january – february are optimum for cultivation.

preparation of field
the field is prepared to a fine tilth and beds of 2 m wide are formed to a convenient length. provide drainage trenches of 0.5 m width by 0.5 m depth in between two adjoining beds. plant the seeds of the live supports i.e. agathi (sesbania grandiflora) in long rows. about 750 banana suckers are planted at the edges of the beds, which are used, for tying the vines on the live support and for packing the betel leaf.  when the agathi plants reach 4 m height, they are topped off for maintaining the height. the crop is planted in two rows in beds of 180 cm width on agathi plants with a spacing of 45 cm between plants in the row.