Cation exchange capacity (CEC) is highest in Vermiculite, followed by Montmorillonite, Illite, and Kaolinite. Vermiculite has a high surface area and charge density. Montmorillonite also exhibits swelling properties and good CEC, while Kaolinite has very low CEC due to its 1:1 clay structure.
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80 Mins English English50 Questions50 Marks40 Mins English English25 Questions50 Marks20 Mins EnglishFor restoration of highly degraded areas, plantation of which is recommended?
The equation to estimate soil loss by wind erosion is , in which K stands for
The most widely used vegetation index is
| Set A (Scientist) |
Set B (Contribution) |
| [i] Thomas Way |
[a] Borax |
| [ii] Thomas Graham |
[b] Ammonium molybdate |
| [iii] Sorenson |
[c] Copper sulphate |
| [iv] Schofield |
[d] Zinc sulphate |
Resource Conservation Technologies include: A) Zero or Minimum Tillage B) Direct Seeding C) Bed planting with residue mulch
The essentiality of Molybdenum was discovered by
Which one of the following is the active factor of soil formation?
Suggested Test Series
Suggested Test Series
For restoration of highly degraded areas, plantation of which is recommended?
The equation to estimate soil loss by wind erosion is , in which K stands for
The most widely used vegetation index is
| Set A (Scientist) |
Set B (Contribution) |
| [i] Thomas Way |
[a] Borax |
| [ii] Thomas Graham |
[b] Ammonium molybdate |
| [iii] Sorenson |
[c] Copper sulphate |
| [iv] Schofield |
[d] Zinc sulphate |
Resource Conservation Technologies include: A) Zero or Minimum Tillage B) Direct Seeding C) Bed planting with residue mulch
The essentiality of Molybdenum was discovered by
Which one of the following is the active factor of soil formation?
