I wouldn't say the low temp will cause defeciencies but it will slow down growth you don't want too big of a swing from night to day either that may cause other issues I think aim
or around 75 at night and 82 at day you shouldn't go much wrong with them ... the worm castings in the soil will only last as a food source for so long and the top dress would be needed to keep up the nutrients they need ... i like the chemmy funky plants the gmo crosses I grew were all fruity with a touch of gassy tones but this time round I've grown some
Chem 4 to chem d crosses and I've got bad breathe funky smelling bud this time round .... I've not grown in soil much so im
Not much help but there are a lot of experienced growers within this forum who will help when they come across your post