For the restoration of highly degraded areas, plantation of which of the following is recommended?
correct Answer
D) Nitrogen-fixing tree seedlings
Highly degraded land has poor soil and very less nutrients, especially nitrogen.
Nitrogen-fixing trees can add nitrogen to the soil and improve soil fertility, so they help the land recover faster.
English
100 Questions
100 Marks
120 Mins English English60 Questions60 Marks45 Mins English English30 Questions30 Marks27 Mins EnglishThe correct order of wind erosion processes is
Biological control of wind erosion is
Match List I with List II
Set A | Set B |
[i] Splash erosion | [a] Impact of falling raindrops |
[ii] Saltation | [b] Wind erosion |
[iii] Erosivity | [c] Rainfall factor |
[iv] Dispersion ratio | [d] Impact force required to detach soil particles |
| List – I |
List – II |
| A. Splash erosion |
I. Uniform removal of soil layers |
| B. Sheet erosion |
II. Most common form of erosion |
| C. Rill erosion |
III. Advanced stage of rill erosion |
| D. Gully erosion |
IV. Due to rain drop action |
Select the crops which serve as vegetative barriers against soil erosion
I. Vetiver II. Agave III. Cenchrus grass
Suggested Test Series
Suggested Test Series
