Ch2 Adaptations to the Physcial Environment - Water and Nutrients3.pdf

1 Page

University College Courses
Course Code
Spencer Barrett

This preview shows half of the first page. Sign up to view the full page of the document.
+  H ions dissolve minerals from rocks and soils enhancing the natural solvent properties of water (making it nutrient-rich) + 2+ -  H +2+aCO  3a + HCO 3  Ca ions are very important to life and high conc. are vital esp. to orgnms who incorporate it into their shells +  H ions are essential for making nutrients available, but it also dissolves highly toxic heavy metals (detrimental to life) Plants Obtain Water and Nutrients from the Soil by Osmotic Potential  plants acquire inorganic nutrients (other than O, C, some N) as ions dissolved in water + -  N in soi3-as NH 4 NO 3  P – PO 4  Ca 2+ +  K  availability varies w/ their chemical form in the soil, temp. acidity, presence of other ions  K often limits plant production even when abundant  its formed compounds don’t dissolve easily Soil Structure and Water-Holding Capacity  soil retains water due to water’s unique properties  H O molecules cling to each other through hydrogen bonding (surface tension) 2  and to the surfaces of soil particles (capillary attraction)  soils consist of particles of clay, silt, sand, and organic materials  sizes: clay < silt < sand  total SA of particles increases as particle size decreases, soils w/ more clay and silt hol
More Less
Unlock Document

Only half of the first page are available for preview. Some parts have been intentionally blurred.

Unlock Document
You're Reading a Preview

Unlock to view full version

Unlock Document

Log In


Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.