Question:  query regarding silage making 
Answer:  told him to select grass [ para ,napier , bajra,guinea  etc ] a trench is require vareing  with size, depth /cover the trench with plastic sheath covering the bottom & side upto the upper level [ length ,breadth, & height of the trench is varies depending upon the amount of grass use   for silage production /] keep a counter opening to pull  {withdrow }the grass form the trench when required / the trech is densely packed with the selected grass /cover the trench with soil keeping the os idendity [ counter opening for easy removel of grass when required or for inspection / urea can be sprinkle over the gress before placing the grass into trench @ [ 1 kg/ 50kg of grass ]/ -- this procedure can be followed to increase the protein percentage & palatability of the grass & to get the green grass in scarcity period where flood ,drought occur & decrease production of grass .