Definitions
A single, prominent root with numerous small roots coming out of it
What is a taproot?
Brightly coloured parts of the flower
What are petals?
Pests that are considered "thieves" because they steal moisture, nutrients, space, or light from a crop.
What are weeds?
When salt has collected on the surface of the soil.
What is salinization?
One third of the world's people use this crop to make food.
What is wheat?
The process by which pollen, containing sperm, travels to the female cone
What is pollination?
What is the anther?
What are insects?
A rich, dark soil that is created when warmth and moisture encourage soil organisms to break down plant and animal matter.
What is humus?
About half of this crop is used to make frozen french fries and chips.
What are potatoes?
Movement of pollutants through levels of a food chain, so that greater quantities are retained with movement up the food chain
What is bioaccumulation?
What is the stigma?
Pests that cause infections, destroying parts or all of a plant.
What are fungi/ bacteria?
A technique for growing plants without soil.
What is hydroponics?
The second most valuable crop in Alberta, used to make margarine, cooking oil, and salad dressing.
What is canola?
The female part of a flower
What is a pistil?
Stalk that supports the anther.
What is the filament?
When a farmer grows wheat in the first year, barley in the second, potatoes in the third, hay in the fourth, for example.
What is crop rotation?
The stubble from last year's crop is left on the field.
What is zero tillage?
Most of this crop is grown to feed livestock, and about one-quarter is used by humans for making malt flavouring for use in many foods.
What is barley?
A process that involves choosing specific plants with particular characteristics and encouraging these plants to reproduce
What is selective breeding?
Open and close the stoma.
What are guard cells?
Using a pest's natural enemies to control it.
What is biological control?
Sulphur, calcium, and nitrogen are commonly found in soil parent material, but crops often require additional nitrogen (N), phosphorus (P), and this nutrient with the symbol (K) — the three primary nutrients in most fertilizers (N-P-K).
What is potassium?
A term to describe only one type of plant in a field.
What is monoculture?