# Yahoo Web Search

1. ### what does CEC mean? How does CEC relate to soil surface area?

The CEC is the abbreviation for the cation exchange capacity of the soil. Any element... cations a soil can hold is described as the CEC and is expressed in milliequivalents per 100 grams...

1 Answers · Science & Mathematics · 16/12/2009

2. ### Why does the % of max. cation exchange capacity ( CEC ) that can effectively serve as CEC lower with lower pH?

Since, % CEC = Ca + Mg + Na + K / Total CEC * 100 as... in the soil. this is why at pH > 7 we generally assume 100% CEC as far as CEC itself changing with pH;it is...

1 Answers · Science & Mathematics · 06/03/2010

3. ### ph, Liming, and CEC questions for a Soils class?

... to help with a liming recommendation as well. to increase the cec you should add materials with a naturally high cec like smectitic/vermiculite ...

1 Answers · Science & Mathematics · 11/12/2011

4. ### does clay have the highest CEC of all particle sizes?

It might. By the way, CEC stands for what?

1 Answers · Science & Mathematics · 05/04/2009

5. ### calculate the % base saturation of a soil having a CEC of 15cmol/kg if only the following basic cations can be

16.7%

1 Answers · Science & Mathematics · 13/10/2007

6. ### HELP: Soil fertility?

Soils with high CEC not only hold more nutrients, but they are better able to buffer...and long-term productivity of a soil is greatly influenced by its CEC . http://docs.google.com/viewer?a=v&q=cache:-0SukLWwVC0J:www....

1 Answers · Science & Mathematics · 14/09/2011

7. ### how do I measure the ammonium in soil?

...you must remember that it is a cation, and will not be released by the CEC of the soil unless you replace it with another cation that has a similar or ...

1 Answers · Science & Mathematics · 16/10/2010

8. ### How do you calculate Cation Exchance Capacity?

...all together... you get 1.9 cmolc/100g soil...that's 19 cmolc/kg soil...for actual CEC you don't use Al and H so you subtract them out ...

2 Answers · Science & Mathematics · 12/12/2011

9. ### What are the significant geographical or historical facts of the Montane Cordillera ecozone?

2 Answers · Science & Mathematics · 30/01/2010

10. ### Soil is rich in humus has high?

organic matter, CEC (usually), nutrients (usually), water holding capacity, etc.

1 Answers · Science & Mathematics · 24/05/2010