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10 Cards in this Set

  • Front
  • Back
topsoil
weathered rock and organic material
humus
deccayed plant and animal remains
subsoil
like topsoil- lacking organic material
contour plowing
plow along a slope
compost
plant material in piles and allowed to decompose
salinization
accumulation of salts in soil
pest
any organism that you don't want cause and can caule damage
pesticides
kills pests
insecticides
kills insects
pesticide resistance
pests evolve to make pesticides less effective