well the answer to question 1 is mh is best for the veg stage, but i believe u are mistaken on the cfm reference, cfm is the amount of airflow a fan has, u may be refering to hps which is best for flowering.
for question 2, id say ud need some nutrients, start giving them nitrogen rich fertilizer a few weeks after germination then switch to high phosphurus when flowering. also add a small osillating fan to blow over the top of the plants to simulate wind.
as for the last two questions i cant help ya cuz i dont use em