APES Crossword

unconsolidated rock fragmented layer
to saturate with water
Varying successive crops on the same ground to avoid soil depletion
Substances that are toxic to plants and are used to destroy unwanted vegetation
wearing away at landforms
Pesticides that are designed to kill a large variety of organisms
Crop growing that does not destroy soil through tillage
Anything that provides shelter or protection from wind
soil layer with high % of organic matter
Naturally occurring process that effects all landforms
The massive cutting down of trees
Not eating enough of the right things
Intake of nutrients is oversupplied, exceeding amount needed to grow
Subsoil below O
To make or form into a level of flat areas or steps
A chemical that destroys fungus
Plowing that causes the least amount of soil erosion
A diagram that is based off proportions of silt, sand and clay
Ex: DDT
Ecosystem based prevention system to minimize damaging effects of pests
Increasing salt content of soil
A layer generally parallel to soil crust
Layer covering bedrock
Topsoil