The ideal spacing should be 75 cm from one row to the other and 30 cm for inter crop distance
fertilizer application during planting use DAP 200 Kgs/ acre
It is equally important to apply manure before planting 5kgs/ m[SUP]2[/SUP]
For blight its always good to do a preventive spray using sulphur based chemical. Incase it has already set in use Mancozeb