No one is sure why or how terra preta works, but it seems to, i already see a difference in a couple of spots ... all i've done is collect charcoal from burnpiles in five-gallon buckets,
mash it up some, dig it into soil along with horse manure ... got strips of it in garlic beds just planted, we'll see how they do ... it may work by harbouring tiny beneficial animalitos, or by holding ...