One of the android mobile soil science application developed by Dr Gopal Mahajan - Needy students can go for it (One of the best application)
In primary minerals Fe present as (M.Imp)
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37%
Divalent ion
18%
Trivalent ion
34%
Both a and b
10%
FeOOH
One of the most important chemical weathering process is
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12%
Hydration
73%
Hydrolysis
9%
Oxidation
6%
Carbonation
Plants will take nitrogen in the form of ammonium ion and nitrate ion with equal ease
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36%
True
64%
False
Lattice hole theory was given by (IARI Ph.D)
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67%
Page and Baver
19%
Bray R.H.
13%
Marshall
2%
Balue