Soil Science 1
the bottom layer of the soil horizon
bedrock
soil particle best at holding nutrients
clay
the process by which growth emerges from a period of dormancy in a seed
germination
the main trunk of a plant
stem
the place a person should look to determine the best way to plant their seed
seedpacket
a distinct soil layer parallel to the surface
horizon
layer of soil also known as the A horizon
topsoil
the small stalk attaching the leaf blade to the stem
petiole
the three most important plant nutrients are: ____, phosphorous, potassium
nitrogen
true or false:
gardening leads to higher stress levels
false
the space that allows water and air movement
porosity
type of soil that is best for growing most plants
loam
type of root that many root branches, with no specific main root
fibrous
the place on a stem where new buds form
node
garden activity that prevents energy from going to unwanted plants in the garden
weeding
the rate of water and air movement through soil
permeability
soil type that has the least permeability
clay
type of root that has a main root with several smaller roots branching off
taproot
the most common seed dispersal method
wind
the act of taking a plant growing in a container and planting it in the ground
transplanting
layer of soil also known as the E horizon, with little or no organic matter
eluviated
soil that is composed of equal parts of sand, silt, and clay
loam
the portion of a plant stem between nodes
internode
the period when a seed does not grow
dormancy
gardening method that allows gardeners to plan their garden by the foot
square foot gardening