Agricultural Science Questions
Question 1426:
Water-logged soils impede good crop growth and development because
- A The fibrous roots are destroyed
- B Crop roots are deprived of sufficient oxygen
- C Excessive water stops root growth
- D Soil around roots become too cold for root growth
Question 1427:
The relative proportion of each fraction of soil in a soil sample determines its
- A Texture
- B Structure
- C Profile
- D Catena
Question 1428:
Which of the following materials cannot be used for liming?
- A Gypsum
- B Basic slag
- C Chalk
- D Urea
Question 1429:
Which of the following statements about soil water is true?
- A Crops wilt when gravitational water has drained off
- B Capillary water drains off after rainfall
- C A soil with high water table is best for farming
- D Crops utilize capillary water in the soil
Question 1430:
Which of the following soil elements becomes readily available at pH values above 8?
- A Molybdenum
- B Manganese
- C Zinc
- D Aluminium