Before you dig a garden, it's important to figure out what type of soil you have and then select plants (and amend your soil) accordingly.

The most substantial of these are the lithic environments, where well-developed microbial communities have colonized cracks in rocks (these ... January 2002 stimulated soil diversity and microbial ...

Over millions of years, wind and water gradually weather rocks ... soil with good structure has lots of these clumps, called aggregates, which loosen heavy clay soil and help sandy soils hold ...

“Soils with too much clay and too much sand can both be remedied by lots of good organic matter ... and long pants as the machine can kick up soil or rocks,” says Roman. Now you're ready ...

And not just any soil. Over the next few days they’ll be adding 6,000 cubic yards of specially manufactured soil to cover the crossing, a mix of sand, silt and clay ... and lots of soil ...

Instructions: Fill a clear glass jar about halfway with the soil, removing any rocks or roots ... followed by silt, and clay on top. Instructions: After 24 hours, measure the thickness of each ...