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Discuss non-crystalline silicate colloids as learnt in soil composition.

      

Discuss non-crystalline silicate colloids as learnt in soil composition.

  

Answers


Jim
-Consist of tightly bonded oxygen, Si, and Al atoms, but they do not have ordered, crystalline sheets.
-These group of colloids are highly charged, and are formed from volcanic ash.
-Have high positive and negative charge.
-Have high water holding capacity but not sticky when wet.
-High P fixing ability especially in acidic conditions.
-Examples = Allophane and imogolite.
jim items answered the question on October 19, 2018 at 09:58


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