What is the water holding capacity of sandy soils?
a. high
b. medium
c. low
the small-scale climate conditions within a localized area that can differ significantly from the surrounding regional climate
Microclimate
What type of soil has the finest particle size, slow drainage, poor aeration, and is easily compacted?
clay soils
What % of the world's land is currently desertifying?
a. 1/3
b. 2/3
c. 1/2
b. 2/3
Which plant structure develops from a mature ovary and protects seeds?
a) Flower
b) Seed
c) Root
d) Fruit
d. Fruit
How did the video suggest we improve our agriculture practices?
a. farm more naturally
b. increase fertilizer use
c. reduce crop diversity
a. farm more naturally (like nature does!)
A modern farming method that relies on large-scale production, chemical fertilizers, and pesticides to maximize crop yields
Industrial Agriculture
Water content after drainage:
a. gravitational water
b. field capacity
c. permanent wilting point
b. field capacity
What historical event is mentioned as a significant example of soil erosion?
the dust bowl
What is the primary function of flower?
reproduction
What management practice involves planting non-cash crops to prevent soil erosion and increase soil health?
cover cropping
Gases such as carbon dioxide, methane, and nitrous oxide that trap heat in the atmosphere, contributing to the greenhouse effect and global warming
Greenhouse Gases
what are the 3 soil textures?
sand, silt, and clay
What nutrient do plants provide to soil microbes?
Carbon!
plants, male and female reproductive organs are found on the same plant
monoecious
what is the top layer of the soil primarily made of?
organic matter
refers to the diverse community of microorganisms living in the soil, including bacteria, fungi, archaea, protozoa, and viruses
Soil Microbiome
what are the 4 main soil components?
minerals, water, air, organic matter
What is the number one role soil plays in combating climate change?
it absorbs carbon dioxide (carbon sequestration)
What is the main function of stomata in leaves?
a) Photosynthesis
b) Water storage
c) Gas exchange
d) Nutrient absorption
B. water storage
What type of soil mixture is a loamy soil?
a. even mixture of sand, silt, and clay
b. half sand and half silt
c. half silt and half clay
a. an even mixture!
The process of capturing and storing atmospheric carbon dioxide in plants, soils, and other carbon sinks to help mitigate climate change
Carbon Sequestration
climate, organisms, parent material, topography, and time
What chemical is mentioned as being harmful and commonly found in ag practices?
Glyphosate
Which environmental factor impacts gibberellin and ethylene production?
a) Light intensity
b) Soil pH
c) Temperature
d) Wind speed
C. temperature