Unit Two, Topic 4 Flashcards
sustainability
being able to grow food and fibre while keeping our natural systems healthy for the long term
The most common crops grown in alberta
Wheat Oats Canola Barley Legumes Potatoes Alfalfa
another word for watering crops using a system of large pipes and sprinklers
irrigate
only one type of plant in a field is called a
monoculture
Another word for the variety of plants and animals found in an ecosystem
diversity
6 common tree species in Alberta
- Lodgepole Pine
- White Spruce
- Black Spruce
- Aspen
- White Birch
- Tamarack (Larch)
Soil erosion
soil that is blown away by the wind and water
Which trees are used for lumber?
Lodgepole pine, White Birch, and Tamarack
What trees are used for paper
Black spruce, aspen and white spruce
How long ago was the plough invented?
5000 years ago
Cultivators
machines that are used to prepare and fertilize soil
An advantage of growing crops in monoculture
farmers can use large farm machinery to grow crops over a larger area
Disadvantage of using a plough
it’s more expensive
what is monoculture
one crop that I grown all over the field and is a way to use energy more efficiently
what is diversity (as it relates to an ecosystem)
A measure of how many different species live in a ecosystem.