topic 4
topic 5
topic 6
vocab
wild card
100
Being able to grow food and fibre while keeping our natural systems healthy
What is sustainability
100
is the mineral (non-organic) matter (rock, soil, and clay) from which the soil developed
What is Parent material
100
when pests or weeds are introduced into a new country/place
What is introduced species
100
the use of a system of large pipes and sprinklers to water crops
What is irrigate
100
the crust is salt that has collected on the surface of the soil
What is salinization
200
is a new and important industry in alberta
What is agriculture
200
This is a brown or black soil that is right bellow the grass
What is topsoil
200
Herbicides, insecticides, and fungicides are used to control ___,___,___
What is Weeds, insects and fungi
200
A measure of how many different species live in a eco-system
What is Diverity
200
A pesticide used to control insects that carry the fungi infection that causes dutch elm disease
What is DDT
300
is the second most valuable Alberta crop
What is canola
300
nitrogen, phosphorus, and potassium often need to be added to __________
What is fertilizer
300
when Some of the chemicals wash off the plants and leave ___ in the soil
What is residues
300
The dark colored part of the soil which is rich in the nutrients
What is Humus
300
is used to turn up the soil
What is a plough
400
a farm with only one type of plant in a field
What is monoculture
400
farmers plant ________ (rows of trees) along the edges of fields
What is shelterbelts
400
The pollutants move from level to level and get stored in organisms in the same way that food energy is stored. This effect is called ____.
What is Bioaccumulation
400
the layers in a cross section of soil
What is horizon
400
Each year about 20 million dollars worth of ____ are sold as seed to other farmers
What is potatoes
500
soil that is blown away by wind and water
What is erosion
500
_________ is a technique for growing plants without soil
What is hydroponics
500
The number of insect species that withstand there effects are ____
What is resistant
500
Sedimentary rock that is largely made up of once living matter
What is organic
500
The third most valuable crop in Alberta is ____
What is Barley
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