7/24/2019 10 Things You Should Know About Soil
1/2
Katy Spangler
10 Things You Need To Know About SOIL1) Soil has 6 layers called
Horizons O, A, E, B, C, & R
C! "east #eathered portion o$ the soil pro%leO! "itter layer,
ostly 'ndecayed
aterials Bedroc(! he deep,'nderlying nonsoil aterials B!
*ineralsthat #ere leached o't o$ layers A! Ai+t're o$ soil, loa,
and detrit's
(Notes)
) Soils in -ioes.rasslands! Soil has a s'-stantial organic
layer/ %re
helps to -rea( do#n plant aterial in this layer0ine orest Soil!
Soil coposed o$
liter & h''s/ this so'l is acidic d'e to the acc''lations
o$needles 2esert!Soils roc(y, 3ery dry & contains alost no
organic atter
ropical Rain orest! Soils acidic & contains 3ery
littleorganic atter despite large plant pop'lation
2ecid'o's orest! Soil is rich inh''s & partially decayed
lea3es (Notes)
4) Soil consists o$57 inerals
7 #ater7 air
7 organic atter
(https://www.quickcrop.ie/blog/2014/01/top-10-interesting-facts-
about-soil/)5) here is a ini' o$ 88 years to $or 1 inch o$
topsoil9
(https://www.quickcrop.ie/blog/2014/01/top-10-interesting-facts-about-soil/)
) Soil acts as a %lter $or 'ndergro'nd #ater, %ltering o't
poll'tants9(https://www.quickcrop.ie/blog/2014/01/top-10-
interesting-facts-about-soil/)
6) Soil a(es 'p the o'terost layer o$ o'r planet and is $ored
$roroc(s and decaying plants and anials9
(Book)
:) here are three ain types o$ soil;clay, sandy, and loay9
hereare also other types o$ soil, depending on the type o$
'nderlying
roc( and the cliate and 3egetation9 "oas are a i+t're o$
clay,sand, and silt, and are ore $ertile than other soils9
(http://www.factonster.co/!k/enc"clope!ia/soil.htl)
