Plants absorb phosphorus mainly as dihydrogen phosphate (H₂PO₄⁻) and hydrogen phosphate (HPO₄²⁻) ions, depending on soil pH.
• At acidic pH: H₂PO₄⁻ dominates
• At alkaline pH: HPO₄²⁻ is more available
Therefore, both forms are important sources of phosphorus.
English
60 Questions
60 Marks
45 Mins English English100 Questions100 Marks120 Mins English English100 Questions100 Marks120 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 process of enrichment of surface water bodies with nutrients is called
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
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 process of enrichment of surface water bodies with nutrients is called
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
