White Widow First Grow

Hi Im just on my second grow,my first one was with automatic sativa and I didnt get much from 4 plants a t all,around 3 ozs.I have 5 white widows which I have started on a 12 12 light cycle and they seem to be ok.and really really big..As Im new to growing can anyone offer any advice on the growing and things to watch out for as it looks like theres lots of buds on these, They have been budding for maybe 9 days now.Am I doing things ok,

Oh sounds nice Get some pic up!