Agricultural Science Questions
Question 1706:
A detrimental effect of bush burning is that it
- A Destroys soil organic matter
- B Destroys weed seeds
- C Sterilizes the soil
- D Adds potash to the soil
Question 1707:
The following crops will enrich the soil with nitrates except
- A Calopogonium
- B Pueraria
- C Centrosema
- D Exoriepus
Question 1708:
Which of the following groups of rocks is formed as a result of volcanic eruption?
- A Lomestone,basalt and shale
- B Basalt,granite and pumice
- C Sandstone,granite and quartzite
- D Marble,gneiss and shale
Question 1709:
The following fertilizers can be used to neutralize soil acidity except
- A Wood ash
- B Ammonium nitrate
- C Limestone
- D Calcium phosphosilicate
Question 1710:
The following are advantages of sub-surface irrigation except that
- A It is suitable for soils with low water holding capacity
- B It can be used only for specific types of crops
- C The rate of evaporation is greatly reduced
- D It reduces the incidence of pests