WHITE WIDOW special treatment???

just wonderin if anyone out there where i can find a guide for growing certain strains...i want to know if my particular strain requires more n-p-k...and so forth..any help will result in +rep

Iam growing it now it is at about 6 weeks old and one week in flowering I have one girl and she is about 38" tall. Here is a link to some good info Ive been doing just what thay say and it has been growing better then anyother plant Ive grown. Good luck and thanks for the +reps (I can use them lol)

http://www.youtube.com/watch?v=V1Ma7yeZWbY

need help someone???