Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
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
|
