Best way to build nutritious soil?

[southearn]

I'm working with five acres of "dry sand prairie" in western Michigan. The only thing that grows here naturally are weird grasses, lichens, cactus, and sparse conifers. The soil drains too well, and doesn't retain any moisture. The soil is extremely acidic, maxed out the test strip. This land has never been agricultural or developed in any way. It's very compact too.

My end goal is a food forest. Any ideas to quickly, sustainably and economically build up this soil into a plant paradise?

 

[flowerbug]

I'm working with five acres of "dry sand prairie" in western Michigan. The only thing that grows here naturally are weird grasses, lichens, cactus, and sparse conifers. The soil drains too well, and doesn't retain any moisture. The soil is extremely acidic, maxed out the test strip. This land has never been agricultural or developed in any way. It's very compact too.

My end goal is a food forest. Any ideas to quickly, sustainably and economically build up this soil into a plant paradise?

i'm curious how it can be so acidic if it is mineral based and rains wash through it quickly. i think you may need to try again with a different testing kit to verify.

also you say it drains quickly but is compacted, so again i'm a bit confused...

some organic material and a small percentage of clay will help with water holding capabilities. also mulches on top will help prevent evaporation. agricultural lime will help raise the pH but before adding it you want to double check and also to think about what you might be growing as some plants like blueberries love acidic conditions and others are more tolerant than others. so perhaps you can leave some areas alone for different crops. it can get rather expensive to amend acres...

if it is on a slope you will need to reshape it or terrace it to hold the amendments and mulches in place.

if you get a huge amount of rain all at once you don't want to hold too much moisture because then the whole area may wash away.

for 5 acres i'd say consult with your local county agricultural extension office and see what they think about it and also if it is sloped talk to a geologist because you don't want to put a lot of $ into something and then have it wash away from heavy rains.