chapter 15-dirt Flashcards

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1
Q

malnutrition

A

not getting the correct nutrients

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2
Q

undernutrition

A

not enough food/calories

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3
Q

arable land

A

fertile land that can be plowed for crops

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4
Q

topsoil

A

soil that’s on the top that we grow plants in

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5
Q

erosion

A

wearing away of the top soil by wind and water

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6
Q

droughts

A

long term of not getting any precipitation

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7
Q

desertification

A

When the topsoil wears away and plant life can no longer grow

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8
Q

saltinization

A

salt accumulates in the soil

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9
Q

what are the 3 components of soil

A

sand
silt
clay

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10
Q

what are the 3 main chemicals we test for in soil

A

nitrogen
potassium
phosphorus

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11
Q

not getting the correct nutrients

A

malnutrition

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12
Q

not enough food/calories

A

undernutrition

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13
Q

fertile land that can be plowed for crops

A

arable land

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14
Q

soil that’s on top that we grow plants in

A

topsoil

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15
Q

wearing away of the top soil by wind and water

A

erosion

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16
Q

long term of not getting any precipitation

A

droughts

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17
Q

When the topsoil wears away and plant life can no longer grow

A

desertification

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18
Q

salt accumulates in the soil

A

saltinization

19
Q

sand
silt
clay

A

the three different components of soil

20
Q

nitrogen
potassium
phosphorus

A

the three main chemicals we test for in soil

21
Q

Famine

A

Wide spread food shortage

22
Q

Wide spread food shortage

A

Famine

23
Q

Diet

A

What you eat and the amount of it

24
Q

What you eat and the amount you eat

A

Diet

25
Q

Yield

A

Amount of product per unit area

26
Q

Amount of product per unit area

A

Yield

27
Q

Compost

A

Adds organic matter, holds water, add nutrients

28
Q

Adds organic matter, holds water, adds nutrients

A

Compost

29
Q

Pesticides

A

Any chemical that kills pests

30
Q

Any chemical that kills pests

A

Pesticides

31
Q

Biological pest control

A

Use living or naturally produces chemicals to control pests

32
Q

Use living or naturally produced chemicals to control pets

A

Biological pest control

33
Q

Genetic engineering

A

GMO’s manipulating genes for desired outcome

34
Q

GMO’s manipulating genes for desired outcome

A

Genetic engineering

35
Q

Low input farming

A

Least amount of energy/resources to produce crops/organic farming

36
Q

Least amount of energy/resources to produce crops/organic farming

A

Low input farming

37
Q

Domesticated

A

Any plant or animal brought under human control

38
Q

Any plant or animal brought under human control

A

Domesticated

39
Q

Overharvesting

A

Removing too much from nature/refers to fishing

40
Q

Removing too much from nature/refers to fishing

A

Overharvesting

41
Q

Livestock

A

Animals that are raised and sold for profit/food

42
Q

Animals that are raised and sold for profit/food

A

Livestock

43
Q

Ruminant

A

Animals with multi chamber stomachs that can digest food humans can not digest

44
Q

Animals with multi chamber stomachs that can digest food humans can not digest

A

Ruminant