Jamb Agricultural Science Questions
Question 266:
The horizon of a soil profile which encourages the greatest level of microbial activity is
- A A - horizon
- B B - horizon
- C C - horizon
- D D - horizon
Question 267:
The easiest method of determining soil texture in the field is by
- A Moulding
- B Sieving
- C Sedimenting
- D Feeling
Question 268:
The type of soil with a particle size of 0.02 to 0.002mm is
- A Clay
- B Slit
- C Fine sand
- D Coarse sand
Question 269:
If urea fertilizer contains 46% nitrogen, calculate the amount of nitrogen in 25kg bag of fertilizer?
- A 11.5kg
- B 13.5kg
- C 21.5kg
- D 26.5kg
Question 270:
Fertile soil is one which
- A Which easily drained
- B Is well aerated
- C Can produce a good harvest of cowpea
- D Contain all essential plant nutrients in suitable proportion