What do plants need to photosynthesize?
Light, CO2, and water
What is crop rotation?
changing the type of crop grown on one area and alternating between different crops
What happens if we grow the same type of crop repeatedly in one area?
Disease
Pests
Decrease in nutrients
What are the the types of farming?
Intensive and Extensive farming
Subsistence and Commercial
Arable, Pastoral and Mixed
Arable subsistence
What are the 3 main nutrients needed in plants
Nitrogen
Potassium
Phosphorus
Has the total amount of farms in Canada increased over time?
No, it has decreased greatly.
What are water spreading weirs?
Water-spreading weirs are structures made of natural stones and cement that span the entire width of a valley to spread floodwater.
What type of farming is more common in the more rural landscapes with open fields?
Extensive farming
What 4 things fall under the category 'topography'
Climate, gradient, aspect, altitude
Describe and name the 2 types of physical weathering
Onion skin; very hot in the morning and very cold at night which causes surface of the rock to expand and contract until it breaks off.
Freeze-thaw weathering; water fills gaps in rock, freezes, solid expands the crack, melts, happens again until it breaks off.
What is 'Clay Pot Irrigation'?
Buried clay pot irrigation uses buried, unglazed, porous clay pots filled with water to provide controlled irrigation to plants. The water seeps out through the clay wall of the buried clay pot at a rate that is influenced by the plant's water use.
What are the 3 ways learned in class for sustainable agriculture?
meatless options, vertical farming, roof top farming