The type of agriculture producing lower yields, is low impact, planting of crops that have high genetic diversity, using polyculture and harvested by small communities.
What is subsistence agriculture?
100
The agriculture technique of planting of more than one crop per field.
What is polyculture?
100
Technique is which vegetation is established in a field between growing seasons.
What is cover crops?
100
On this scale, 7 is neutral and most often the optimal range for plant growth.
What is the pH scale?
200
Climate, living organisms, parent material, topography and time.
What are the factors that affect pedogenesis?
200
The type of agriculture using monoculture, using high amounts of energy (irrigation, fertilizers, pesticides, transportation) and producing very high yields.
What is industrial agriculture?
200
The agriculture technique of planting the same crop in one field.
What is monoculture?
200
Cover crops plowed into the soil to add nutrients and organic matter.
What is green manure?
200
Consumer buys produce directly from the farmer through a membership or subscription.
What is Consumer Supported Agriculture (CSA)?
300
Silt and clay, sand and gravel, air, water, dead organic material and living flora and fauna.
What are the components of soil?
300
The three macronutrients that are used in synthetic fertilizers.
What are nitrogen, phosphorus and potassium?
300
The soil horizon that contains organic matter, living organisms, inorganic minerals and is where plants take root.
What is horizon A (topsoil)?
300
A tillage technique in which at least 30% of the crop residue is left on the field.
What is conservation tillage?
300
Produce that is grown without the use of pesticides or fertilizers for at least 3 years and without the use of genetically engineered seeds.
What is USDA Certified Organic Produce?
400
The ability of water to move through the soil.
What is permeability?
400
Agriculture technique in which more than one type of plant is planted in a field.
What is polyculture?
400
An agricultural science that incorporates alternative methods for reducing loss due to crop pests.
What is Integrated Pest Management (IPM)?
400
The agriculture technique in which the field is left unplanted for a season.
What is summer fallowing?
400
A key nutrient in plant growth.
What is nitrogen?
500
The wearing away, transportation, and deposition of soil particles by wind, water and glaciers.
What is soil erosion?
500
Agriculture innovations, beginning in the 1960s, that have increased food production.
What is the Green Revolution?
500
The type of biological control in which the immature insect develops inside the pest and emerges as an adult.
What is a parasitoid?
500
An agriculture method in which we meet the food requirements of the present, without compromising the soil for future generations agriculture needs.
What is sustainable agriculture?
500
A human-caused factor that led to the Dust Bowl Era.