View Single Post
  #40  
Old 09-13-2012, 02:00 PM
Kiril Kiril is offline
LawnSite Fanatic
 
Join Date: Jun 2007
Location: District 9 CA
Posts: 18,333
Quote:
Originally Posted by Skipster View Post
Kiril, you are kind of correct, but you're forgetting your soil knowledge here.
I forgot nothing skip and there is no "kind of" about it You are the one who was talking about P being bound by the CEC ... or have you already forgotten.
Quote:
Originally Posted by Skipster View Post
You are right to recognize that K is not as tightly held on cation exchange sites as P.
CEC = cation exchange complex ... not anion exchange complex.

Quote:
Originally Posted by Skipster View Post
So, while phosphates don't directly adsorb to CE sites, they bond with cations that are directly adsorb to CE sites and they adsorb to AE sites.
Errr Skip, when P become fixed to select cations it precipitates out of solution as a compound with variable solubility ... some of which may become part of the active pool, some part of the fixed pool. This has nothing to do with the CEC.
Reply With Quote
 
Page generated in 0.03802 seconds with 7 queries