Q20
Which of the following can be used to correct acidic soil?
A.
Gypsum
B.
Lime
AnswerC.
Vegetable compost
D.
Calcium superphosphate
Answer: Option B
Solution
Answer: Option B
Solution:
Lime can be used to correct acidic soil. It increases the pH of acidic soil (the lower the pH the more acidic the soil); in other words, soil acidity is reduced and alkalinity increased. it provides a source of calcium and magnesium for plants. it permits improved water penetration for acidic soils.