The following fertilizers can be used to neutralize soil acidity except
Wood ash
Ammonium nitrate
Limestone
Calcium phosphosilicate
Correct answer is B
No explanation has been provided for this answer.
Which of the following groups of rocks is formed as a result of volcanic eruption?
Limestone, basalt and shale
Basalt, granite and pumice
Sandstone, granite and quartzite
Marble, gneiss and shale
Correct answer is B
No explanation has been provided for this answer.
The following crops will enrich the soil with nitrates except
Calopogonium
Pueraria
Centrosema
Exoriepus
Correct answer is D
No explanation has been provided for this answer.
A detrimental effect of bush burning is that it
Destroys soil organic matter
Destroys weed seeds
Sterilizes the soil
Adds potash to the soil
Correct answer is A
No explanation has been provided for this answer.
Which of the following statements about soil organisms is false?
Soil pH will attack population of soil organisms
Population of soil living organisms is increased with increase in soil organic matter
Soil with good texture and structure cannot harbour soil microbes
Soil temperature affects the activities of soil organisms
Correct answer is C
No explanation has been provided for this answer.