A. molybdenum B. manganese C. zinc D. aluminium Correct Answer: Option B - manganese
A. crops wilt when gravitational water has drained off B. capillary water drains off after rainfall C. a soil with…
A. gypsum B. basic slag C. chalk D. urea Correct Answer: Option D - urea
A. texture B. structure C. profile D. catena Correct Answer: Option A - texture
A. the fibrous roots are destroyed B. crop roots are deprived of sufficient oxygen C. excessive water stops root growth…
A. to encourage young people to take up farming B. to provide employment for young school leavers C. to develop…
A. afforestation B. mining C. ranching D. fish farming Correct Answer: Option C - ranching
A. modification of the crop genetic compostion B. adoption of continuous cropping system C. reducing water supply to growing crops…
A. cotton B. coconut C. cassava D. kola Correct Answer: Option C - cassava
A. evolution B. revolution C. diffusion D. adoption Correct Answer: Option D D. adoption