20379400
Description
Flashcards by Brittney Glover, updated more than 1 year ago
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Created by Brittney Glover
almost 6 years ago
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| Question | Answer |
| Is a food Calorie smaller or larger then an energy calorie? | larger |
| what % of the Earths Land can we grow crops on? | 11% |
| Where does more than half of Canada's imported food come from? | USA |
| how much of Canada's landmass is free from severe limitations for crop production? | 5% |
| According to the Canada Land Inventory how many classes of agricultural land exist in Canada? | 7 |
| T or F. The primary sector of the agri-food industry includes food produced in backyard home gardens. | T |
| Which province has the highest concentration of urban land in Canada? | Ontario |
| T or F. The Neolithic Revolution occurred approximately 100,000 years ago. | F |
| T or F. The agricultural revolution that coincided with the scientific and industrial revolutions is considered to be the British Agricultural Revolution. | T |
| T or F. The main benefit of the Green Revolution was that it increased agricultural production worldwide. | T |
| Agriculture is considered to have originated first in? | The fertile crescent of the Middle East |
| All nitrogen fixing plants are: | Legumes |
| Canada is #1 in the world in the production of the following crop: | Canola |
| Which of the following has decreased over the last 100 years in Canada: | # of Farms |
| T 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 |
| Top soil is the most productive soil layer because: | It is where most Organic matter is found |
| The process by which organisms can take nitrogen from the atmosphere and convert it to soil nitrogen. | Biological Nitrogen Fixation |
| The macronutrient that is difficult to manage because it is very strongly held by most soils is: | phosphorous |
| In conservation tillage operations at least _____ of the soil surface is covered with plant residues. | 30% |
| We generally do NOT find nutrient deficiencies associated with the following soil condition: | Soils with high organic matter contents |
| The Haber-Bosch process is the industrial process used to produce: | Nitrogen fertilizers |
| The first trophic level of a soil food web consists of | Plants |
| T or F. Soil organic matter is a very homogeneous mixture of materials | F |
| Nitrification describes the process whereby: | Ammonium is converted into nitrate (the more plant-available form of nitrogen) |
| The following is a broad spectrum herbicide used to kill broad-leaf weeds and grasses: | Glyphosate |
| The following is the commonly used insecticide linked to Honey Bee Colony Collapse Disorder: | Neonicotinoids |
| T or F. Systemic pesticides are pesticides that kill as a result of direct contact | F |
| The environmentally sensitive approach to pest control that uses pesticides judiciously is called: | IPM |
| A soil with greater than 30% organic matter is considered to be an organic soil | T |
| An important benefit of conservation tillage is decreased weeds. | F |
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