Question

Which of the following statement is not true for organic manure?

• A. It enhances the water holding capacity of the soil.
• B. It has a balance of all plant nutrients.
• C. It provides humus to the soil.
• D. It improves the texture of the soil.

Answer 1

The correct option is B

It has a balance of all plant nutrients.

The correct option is B.

Explanation for correct option:

1. Organic manure is made from the breakdown of animals and plant waste, which nourishes the soil with nutrients.
2. Organic manure offers plant nutrients, however, it does not deliver all of the nutrients within essential amounts.

Explanation for incorrect options:

Option A:

Organic manure application enhances organic matter content, and better soil structures retain more water, improving soil water retention capacity.

Option C:

1. Humus is a darkish, organic material formed in soil by the breakdown of plant and animal waste.
2. Humus is abundant in manure. Humus compost gradually awakens bacteria and earthworms without damaging plants.

Option D:

1. Organic manure supplies organic material, restoring soil texture for improved water retention and aeration.
2. Manure feeds soil particles and soil microbes with nutrients like nitrogen, phosphorus, as well as other micronutrients.
3. Thus, adding manure to that same soil enhances its texture and increases its porosity.

Final answer: “It (organic manure) has a balance of all plant nutrients” is the incorrect statement regarding organic manure.