Soil microorganisms
Crops are used to cover soil during winter
Soil primary macronutrients
Underlying geological formation underneath soil
N, P, K
Parent Material
Accumulation of soluble salts
Ability of a soil to supply chemical nutrients/essential elements
Erosion
Soil having beneficial qualities related to crop growth.
Soil Fertility
Dirt along being moved away by natural occurrences.
Cover Crops
Soil Horizons
Soil primary micronutrients
Salinity
Tilth
Ca, Fe, S, Mg, Cl, B, MN
