Marble
Gneiss
Quartzite
Schist
Shale
Correct answer is A
No explanation has been provided for this answer.
Which of the following is not an edaphic factor affecting agricultural production?
Soil PH
Soil texture
Predators
Soil structure
Soil type
Correct answer is C
No explanation has been provided for this answer.
Ditches are constructed to remove excess water
Furrows in which water collects are made
Water seeps into the tiles to reach an outlet where water
Water is pumped through perforated pipes to crops
Ditches are dug from a source of water to the farmland
Correct answer is C
No explanation has been provided for this answer.
Which of the following is not an effect of grazing on the soil?
Enrichment of soil with animal dung
Exposure of soil to erosion
Destruction of soil structure
Increase in soil acidity
Reduced rate of water percolation
Correct answer is D
No explanation has been provided for this answer.
Phosphorus
Boron
Nitrogen
Chlorine
Molybdenum
Correct answer is A
No explanation has been provided for this answer.