Thank you all for your replies, much appreciated
I am in Malaysia, a tropical climate, very humid during the day. I have them outside my window in a shady area since i live in a condo, i cannot get full sunlight.
In this photo it is a garlic plant. Before i transplanted it to the new soil it was very healthy. Once i moved it it started to stop growing and its roots started to become like this.
I also had the same problem with vegetable kai lan sprouts.
I talked to a friend who said i might be over watering them. Even though the plastic pots have drainage. I am eager to see if you agree with him so i can lighten the water load if that is the problem.
I threw away the soil in the garbage because i didn't want to contaminate the rest of the soil and upset the ph value.
A garden supplier said that my mix is too complicated and it might not be balanced. Do you think i should simplify my mix? I want my plants to get as much nutrients and minerals as it can get.
Such a nice learning process
