Which of the following farming practices may be used to check soil erosion?
Ploughing of land upslope
Contour ploughing
Bush burning
Shifting cultivation
Correct answer is B
No explanation has been provided for this answer.
Time, as a factor of soil formation, influences mainly soil?
texture
organisms
nutrients
maturity
Correct answer is D
No explanation has been provided for this answer.
Which of the following is used to describe soil reaction?
pH
cation exchange
clay content
texture
Correct answer is B
No explanation has been provided for this answer.
Vegetation regeneration on a fallow land is typical example of?
nature conservation
secondary succession
reafforestation
forest reservation
Correct answer is B
No explanation has been provided for this answer.
Plants that grow submerged of floating in water bodies are known as?
hydrophytes
hygrophytes
mesophytes
xerophytes
Correct answer is A
No explanation has been provided for this answer.