Horizons 1
The A horizon is also known as ________
Topsoil
The O horizon is made up of _________
Humus
The texture test tells us how much _____, ______ and _______ are present
Sand, Silt, and Clay
N stands for ________
Nitrogen
Fertigation is ________
Delivery of nutrients through irrigation
The O horizon is also known as the ________
Organic Layer
The A horizon is made up of ________
Minerals with Humus
Sand is the ________ particle
Largest
P stands for _________
Phosphorous
Earthworms are examples of _________ and they create ________
Macro organisms , air flow / pores, add manure ect
The E horizon is also known as _________
The Eluviation layer
The E horizon is made up of __________
Leached minerals and Organic Matter
Clay is the _________ particle
Smallest
K stands for __________
Potassium
Mites are examples of ________
Micro organisms
Subsoil layer
The B horizon is made up of ________
Deposited minerals and metal salts
Silt is the ________ sized particle
Medium
NPK are known as __________
Macro nutrients
A alkaline pH reading would be ______
8+
The C horizon is also known as ________
Parent rock
The C horizon is made up of _________
Partly weathered rock
Soil with a high ______ content dyes our hands red
Iron
Calcium and Magnesium are examples of _______ nutrients
Micro
An acid pH would be ________
Less than 6.5
The R horizon is also known as ________
Bedrock
The R horizon is made up of _________
Unweathered parent rock
The field texture test involves the ______ and ______ tests
Bolus and Ribbon
Nutrients come in the following forms:
Granular, green manure, liquid, ect
Ideal soil type in most cases is known as a ________
Loam