I and II only
I and IV only
II and III only
III and IV only
Correct answer is B
No explanation has been provided for this answer.
Which of the following statements is correct about micro-nutrients? They
Promote formation of only root nodules
Are required by plants in very small quantities
Are fixed into the soil through microbial activity
Increase crop tolerance to pest attack
Correct answer is B
No explanation has been provided for this answer.
In which layer of the soil profile do most biological activities occur?
D-horizone
C-horizone
B-horizone
A-horizone
Correct answer is D
No explanation has been provided for this answer.
I, II and III only
II, III and IV only
I, II and IV only
I, II, III and IV
Correct answer is C
No explanation has been provided for this answer.
Soil water that is available for root absorption at field capacity is
Capillary water
Hygroscopic water
Gravitational water
Superfluous water
Correct answer is A
No explanation has been provided for this answer.