Upon flooding, phosphorus availability in soil generally
increases due to the creation of anaerobic conditions that lead to the dissolution of iron and aluminum phosphates, making phosphorus more soluble and available for plant uptake.
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120 Mins English English100 Questions100 Marks120 Mins English English60 Questions60 Marks45 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
| Set A |
Set B |
| [i] Robinson |
[a] Pipette method |
| [ii] Yoder |
[b] Wet sieving |
| [iii] Munsell |
[c] Colour chart |
| [iv] Atterberg |
[d] Consistency limits |
| 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 |
Which one of the following is the active factor of soil formation?
The process of enrichment of surface water bodies with nutrients is called
| List I |
List II |
| A. Soil Quality |
I. Removal of the fertile layer |
| B. Water pollution |
II. Point & Non-point source |
| C. Soil erosion |
III. Agriculture crops |
| D. Land capability |
IV. Soil health |
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