Im using heavy harvest this year and have used it in the past the stuff rocks. Im also using algamin kelp meal, and Oregonism XL mixed in to some of the holes didnt have enough to buy it for all the holes. And i learned a cool trick, you can tear up diapers and place them around the bottom of the hole to retain moisture like polymer crystals or something would. You can get away with not using nutrients plants will for sure be much smaller, some prolly wont make it, but others will flourish depending what all is in your soil, and what type of soil your planting in, what strain is used, etc etc. . If your lucky like me and have 1000's of acres of rolling farm land to treck you might do great without anything but nicely rooted clones, shovel, very fine ground lime, and something to carry water with once your there. Its kinda late int he season to be preparing holes, but you still might be ok, if your gunna use native soil just mix the lime into the top like 8 inches of soil, make your holes wider then they are deep and water the holes thoroughly.