How to grow eggplant in plastic bag

After 20 days both of my 

egg plant are healthy 

and I see a flower buds too

Hi all
This year I am  starting my trace garden  with egg plant
 Previous year I grow Tomato Bitter Gourd Egg fruit Chilly
so I gain some experience I already have some egg plant
and harvesting egg fruit every week
but this year different quality egg fruit
I bought two egg plant from market 
which cost me just 20 cents each and tow cement bag 
which cost me 5 cents each and also bought two
bags of dry cow dung which cost me just 60 cents
so my total spend for two egg plant $ 1.2 so cheap to grow vegetable

 how i start 
1 bought two bucket of twenty litter          

2 mix 50/50 soil and cow dung 
3 water it and leave it for a week
4 after a week i mix it again and water it
5 last put baby egg plant in it 


These two egg plant












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