The amount of lime to apply to correct a soil acidity problem is affected by a number of factors, including soil pH, texture (amount of sand, silt and clay), structure, and amount of organic matter.

Somehow, I missed the memo about testing for pH. "Soil pH testing is vital for understanding your soil's chemical makeup and ...

When soils become waterlogged, soil organisms take the oxygen they need from nitrates, leaving the nitrogen in a gaseous form which escapes into the air. This is known as denitrification and is the ...

When you use links on our website, we may earn a fee. A pH soil tester may not already be part of your gardening routine, but soil experts we talked to say it should be. Knowing whether your soil ...

I’ve lived and gardened in a lot of places, from Florida’s thin, chalky-limestone ground to Utah’s iconic red-clay earth. In that time ... with agronomists to create a sustainable tool for water ...

Others like potassium are added regularly to soils as fertilizer for the purpose of being withdrawn as needed by crops. The relative ability of soils to store one particular group of nutrients, the ...

Sandy soil is pale coloured and has large particles. These create lots of small air gaps. Water drains through them easily so it usually feels dry. Clay soil is usually sticky and has small particles.

A worm burrows its way through the dark earth, ingesting particles of soil and expelling nutrient-rich casts in a constant forage for food. Charles Darwin described earthworms as one of the most ...