questions: telling that he has 5o kilograms (approx) of ginger in hand. now as the price is low in the market, he wants to go for preservation of his stock to sell later when the price goes up. asking the procedure of preservation. 
 answers: advised to dig a pit of 45x45x60 cm in size where he can store 25 kgs. of ginger. then a prolep of soil & fym at the base and sides.to sun dry for 15 days and to sprinkle 5 per cent malathion dust on the sides and base.to spread ginger upto a height of 2 cm from the base and then again of 10 cm. after that to cover by dry sand.to repeat the same  upto 45 cm from the base.then cover the top by a wooden tray of 2 holes for air pass.lastly,to  temperature maintain of 30 degree for moisture content.