Question

Manure is added when the soil is too ____.

• A. Acidic
• B. Basic
• C. Neutral
• D. Dry

Answer 1

The correct option is A

Acidic

Explanation for correct answer

(A) Acidic

1. Manure is added to soil when soil is too acidic, because manure produces increased soil carbon, which is an important source of energy, that makes nutrients available for plants.
2. Manure increases the fertility of the soil and speeds up decomposition, and lowers the soil's acidity level.
3. Hence, option (A) is correct,.

(B) Basic

1. Manure generally lowers the pH and decreased the acidity of the soil.
2. Hence option (B) is incorrect.

(C) Neutral

1. Manure is added to increase soil's fertility, by increasing or decreasing the acidity of soil.
2. Thus when it comes Neutral, there is no use of manure.
3. Hence, option (C) is incorrect.

(D) Dry

1. When the soil becomes dry, it becomes neither acidic nor basic in nature thus there is no use of manure.
2. Hence, option (D) is incorrect.

Therefore, due to decrease the soil's fertility a manure is used when soil is too acidic. Hence, option (A) is correct.