Question

Find out the correct sentence.

• A. i and iii
• B. i and ii
• C. ii and iii
• D. iii and iv

Answer 1

The correct option is B

i and ii

The correct option is B.
Explanation for the correct option:
Statement (i):

1. Manure is organic material that is utilized in agriculture as organic fertilizer.
2. The majority of manure is composed of animal feces; additional sources include compost and green manure.
3. Manure is the degraded form of dead plants and animals that is added to the soil in order to boost productivity.
4. It is a natural and cost-effective fertilizer.
5. Excreta from humans and animals are also utilized as manure.
6. The nitrogen, phosphorus, and potassium content in livestock manure is high.

Statement (ii):

1. The manure improves the soil's porosity.
2. It refers to the soil's ability to hold water.
3. This improves soil structure and enhances soil structures to retain more water, improving the soil's water retention capacity.
4. Good soil structure increases the available water in the soil for plant growth and productivity.

Explanations for the incorrect options:
Statement (iii):

1. The addition of compost to clay soil improves its structure.
2. More than two inches of compost can be added to clay soil without harming the soil or the plants.
3. Compost enhances drainage and decreases compaction.
4. Manure does not aid in the drainage of surplus water from clayey soil.

Statement (iv):

1. Manure used properly as fertilizer reduces nutrient contamination to water resources and aids in the development of healthy soils.
2. Manure nutrients can also be used to support the growth of worms, insect larvae, algae, and other living creatures.
3. Because manure is formed of animal excretory waste, excessive usage of it does not harm the environment.
4. The organic stuff is excretory waste from animals.

Final answer: The correct statements are (i) and (ii).