burlap sacks in a pine forest

well this year instead of digging holes i've decided to use big ass burlap sacks used to ship green coffee in...the area where i will be growing is a deep pine forest with highly acidic soil...my question is if or when the roots break through the burlap and dig into the native soil will it effect the plant? the sack is huge about 2.5'x4' while empty and laying flat...probably could fit around 10-15 gallons....do you think i even have to worry about the roots breaking through? they will be going out around april 15th so they are going to be vegged for good while...any ideas??? on another somewhat related note. how well does the burlap retain nutes? i'd imagine a good rain would basically flush out all the nutes? what are the advantages/disadvantages to using burlap instead of rubbermaids? i did a search and seen a post saying water retension was good with burlap and i can get away without watering too much...? thanks

if im not mistaken which im sure ill hear it if i am. many people on here use nutrients for tomatos on there weed plants. and tomato plants love acidic soil. because alot of the labels say "for acid loving plants"/ but dude with those huge ass sacks your prob fine.
peace love

they don't love acidic soil but they will grow in it to around 5ish