chapter 15-dirt Flashcards

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

23
Q

Diet

A

What you eat and the amount of it

24
Q

What you eat and the amount you eat

25
Yield
Amount of product per unit area
26
Amount of product per unit area
Yield
27
Compost
Adds organic matter, holds water, add nutrients
28
Adds organic matter, holds water, adds nutrients
Compost
29
Pesticides
Any chemical that kills pests
30
Any chemical that kills pests
Pesticides
31
Biological pest control
Use living or naturally produces chemicals to control pests
32
Use living or naturally produced chemicals to control pets
Biological pest control
33
Genetic engineering
GMO’s manipulating genes for desired outcome
34
GMO’s manipulating genes for desired outcome
Genetic engineering
35
Low input farming
Least amount of energy/resources to produce crops/organic farming
36
Least amount of energy/resources to produce crops/organic farming
Low input farming
37
Domesticated
Any plant or animal brought under human control
38
Any plant or animal brought under human control
Domesticated
39
Overharvesting
Removing too much from nature/refers to fishing
40
Removing too much from nature/refers to fishing
Overharvesting
41
Livestock
Animals that are raised and sold for profit/food
42
Animals that are raised and sold for profit/food
Livestock
43
Ruminant
Animals with multi chamber stomachs that can digest food humans can not digest
44
Animals with multi chamber stomachs that can digest food humans can not digest
Ruminant