Soil Horizons & Types
This soil horizon is also called topsoil. and is most productive.
What is the A horizon?
This component is also called coco coir.
What are coconut fibers?
This fertilizer contains nitrogen, phosphate, and potassium.
What is a complete fertilizer?
This occurs when fertilizer dissolves and moves into groundwater or surface water.
What is leaching?
This type of organic matter remains recognizable, like twigs and leaves.
This horizon contains leaf litter and organic material.
What is the O horizon?
This potting mix ingredient comes from the lumber and paper industry.
What is shredded bark?
These three letters represent the primary fertilizer nutrients.
What is NPK?
This is the displacement of fertilizer by rainwater or irrigation.
What is runoff?
This tool is used to determine soil texture based on percentages of sand, silt, and clay.
What is a soil texture triangle?
This soil texture has the largest particles and feels rough and gritty.
What is sand?
This component can hold several times its weight in moisture.
What is peat moss?
A fertilizer that provides only one plant nutrient is called this.
What is an elemental fertilizer?
Planting trees and grasses along field edges to absorb nutrients is called this.
What are field buffers?
These four things make up soil.
What are organic materials, inorganic materials, water, and air?
This soil type is considered the best for growing plants.
What is loam?
This rock-based component helps aerate mix, provide minerals, and hold water.
What is vermiculite?
Give 2 examples of a natural fertilizer.
What is manure, compost, kelp, blood meal, bone meal...?
This soil conservation practice uses ridges and channels across slopes to reduce erosion.
What is terracing?
This is the most important property of soil.
What is texture?
This horizon is made of weathered rock fragments and is the transition between soil and parent material.
What is the C horizon?
This potting mix component comes from heated obsidian lava rock.
What is perlite?
In a 16-4-8 fertilizer analysis, this percentage represents nitrogen.
What is 16%?
Name something we can do during fertilizer application that would prevent environmental issues.
What is 1) applying fertilizer at the right time of year 2) the right amount 3) right method and 4) Keeping animal and their waste of of water sources.
This type of organic matter is fully decomposed and no longer recognizable.
Humus