5222b83b_Growfood_com__Mittleider_Method
[0] The Soil: [Traditional Method] A good garden begins with good soil. The richness of the soil is the single most important factor in gardening success. [Mittleider Method] 
Although good soils are desirable, highly productive gardens can be grown in any soil. Custom soils for grow-boxes can be made if necessary.
Growfood.com
Mittleider Method