soil
composition
organic matter
organic matter is living thing or dead thing's
minerals
the plants feed off of the minerals
water
you use water in soil for the plants that grow in soil
air
so the living mater can breath also so the plants can breathe
use for soil
crops
you can grow crops in soil
build buildings
use as a base for the build we live in or work in
provides habitat for most of the organisms on Earth
mostly ever thing lives on soil
damage to soil
fertilizer
using fertilizer all the time can damage the soil over time
pollution
dumping pollution in soil can make the soil bad to use anything on it
erosion
over time erosion break down the soil over time
soil testing
phosphorus
Phosphorus is an essential element classified as a macro nutrient because of the relatively large amounts of P required by plants
nitrogen
nitrogen is required by plants is it can grow in large quantity's
ph
ph levels are from 0 to 14, 7 is neutral and below 7 is acidic and above 7 is alkaline
potassium
potassium is required for the plant to grow and reproduction of plants also it is a nutrient.
texture
clay
clay is a type of soil that is the most fine particle
sand
sand is the most gritty particle
silt
silt is in the middle of sand and clay
loam
loam is a little bit of all types of soil