Flashcards
ENVS2130
Cards in this deck (31)
- 1Is a food Calorie smaller or larger then an energy calorie?larger
- 2what % of the Earths Land can we grow crops on?11%
- 3Where does more than half of Canada's imported food come from?USA
- 4how much of Canada's landmass is free from severe limitations for crop production?5%
- 5According to the Canada Land Inventory how many classes of agricultural land exist in Canada?7
- 6T or F. The primary sector of the agri-food industry includes food produced in backyard home gardens.T
- 7Which province has the highest concentration of urban land in Canada?Ontario
- 8T or F. The Neolithic Revolution occurred approximately 100,000 years ago.F
- 9T or F. The agricultural revolution that coincided with the scientific and industrial revolutions is considered to be the British Agricultural Revolution.T
- 10T or F. The main benefit of the Green Revolution was that it increased agricultural production worldwide.T
- 11Agriculture is considered to have originated first in?The fertile crescent of the Middle East
- 12All nitrogen fixing plants are:Legumes
- 13Canada is #1 in the world in the production of the following crop:Canola
- 14Which of the following has decreased over the last 100 years in Canada:# of Farms
- 15T or F. Soil structure describes the proportion of sand, silt and clay particles present in the soil while soil texture refers to the arrangement of these soil particles into aggregates.F
- 16Top soil is the most productive soil layer because:It is where most Organic matter is found
- 17The process by which organisms can take nitrogen from the atmosphere and convert it to soil nitrogen.Biological Nitrogen Fixation
- 18The macronutrient that is difficult to manage because it is very strongly held by most soils is:phosphorous
- 19In conservation tillage operations at least _____ of the soil surface is covered with plant residues.30%
- 20We generally do NOT find nutrient deficiencies associated with the following soil condition:Soils with high organic matter contents
- 21The Haber-Bosch process is the industrial process used to produce:Nitrogen fertilizers
- 22The first trophic level of a soil food web consists ofPlants
- 23T or F. Soil organic matter is a very homogeneous mixture of materialsF
- 24Nitrification describes the process whereby:Ammonium is converted into nitrate (the more plant-available form of nitrogen)
- 25The following is a broad spectrum herbicide used to kill broad-leaf weeds and grasses:Glyphosate
- 26The following is the commonly used insecticide linked to Honey Bee Colony Collapse Disorder:Neonicotinoids
- 27T or F. Systemic pesticides are pesticides that kill as a result of direct contactF
- 28The environmentally sensitive approach to pest control that uses pesticides judiciously is called:IPM
- 29A soil with greater than 30% organic matter is considered to be an organic soilT
- 30An important benefit of conservation tillage is decreased weeds.F
- 31—