how do they look? because a lot of leaves are dying on the bottom side

hi guys, my plants have exactly 2 weeks of flowering , how do they look? because a lot of leaves i take every time i can look carefully ( ussualy when i water them , every 4 days). are they burned or is usual for 2 weeks flowering?

they are 5 Northern lights under 600w hps , i water every 4 days like this : 1 water topmax , 2nd watering bio bloom, 3rd watering water).


and the second question is : on the macros photo look some balls or it seems to me?

I've got some yellowing at 5weeks...bottom of plants...I hear this is normal but if ya wanna fix it hit em w some veg nutes for some N

You familiar with lollypop ping (search it on here if you are not)? It's a method of removing lower branches to allow for better air flow and force all the plants energy to the main cola's, these leaves that are turning brown and dying are they on these lower branches? Looking at the 3rd pic, the plant in the forefront could use some snipping from the bottom, those bottom branches (looks ilke their jus above the pot) are not going to get much light and thus are not going to give you much more than little popcorn buds, not even worth it IMO.

Many growers like to use veg nutes for the first 2 weeks of flowering, this is what I do also. Plants aren't really producing but the first week or 2 of flower (strains differ) they just stretch and they need the veg nutes more than ever for that stretch. I usually got 10 - 14 days on veg nutes in the flower room, flush once than switch to flowering nutes, my 85 day sativa I give 21 days of veg nutes.