Pros and Cons
List a benefit of Crop rotation
What is prevention of nutrient depletion in soil and limit the damage by disease and pests?
Farmers water their crops using a system of large pipes and sprinklers.
What is irrigate?
A word used for the layers of the soil.
What is Horizon?
2 logging methods used to harvest trees
What is clear cutting and selective harvesting or cutting?
2 disadvantages of Clear Cutting forests
What is: Destroying habitat, Soil erosion,
Growing only one type of plant in the field.
What is monoculture?
This is the layer of soil that is the highest in nutrients due to dead and decaying matter
What is the humus?
To make sure we don't use more trees than we can replace.
What is sustaining our forests.
2 Benefits of Genetic Modification
What are: making plants disease and pest resistant, sweeter, larger, more nutritious?
The layer of vegetation left on fields after harvest to prevent erosion.
What is crop residue?
What is the purpose of having natural areas surrounding farmers fields when they are near waterways?
What is preventing fertilizers and pesticides from getting into water ways?
The difference between Natural reforestation vs Managed reforestation
What is allowing trees to grow back on their own vs replanting trees?
2 benefits of greenhouses.
What is: controlling the environment, Growing crops you wouldn't normally be able to.
a method of natural pest control used by farmers without the use of pesticides.
What are: Crop rotation or using other insects that eat pests,
Parent material, Climate, Vegetation, Time are all what?
What are some factors affecting how soils develop?
2 animal species that have been negatively impacted by logging and human involvement.
What are the caribou and wolf species?
This happens as pesticide use increases and pests (over time) develop an immunity to the toxic effects of the chemicals being used.
What is Pesticide resistant insects or Superbugs.
3 main Nutrients that are primarily found in fertilizer?
What are Nitrogen, Potassium and Phosphorous?
List 2 reasons why soil is important.
What are: Providing an anchor for plants, Growing produce, Providing habitat for organisms, Purifying water, Recycling nutrients, Regulating the atmosphere
A special type of forest that should be protected and why?
What is old growth forest? Because it has so much biodiversity.