Question

Ram and Harish are two farmer brothers working in the same village. Ram uses organic matter ‘A’ in his field whereas Harish uses a chemical ‘B’ in his field to increase soil fertility. Answer the following questions given below. (i) Identify A and B (ii) Differentiate between A and B (Two point of difference)

pls help​

Answer 1

Answer:

• A is manure
• B is fertilizer
• Manure is an organic substance that is obtained from decomposition of vegetables and animal waste. Fertilizers are inorganic substances manufactured in factories. Manures are relatively less rich in plant nutrients, they only remove general deficiency of soil.

Answer 2

Answer:

1. A= cow dung B= Nitrogen fertilizers
2. A

• It is made by using organic matters.
• It is bulky.
• It cannot be dissolved in water.
• It provides various elements.
• It isn't harmful for the crops.

B

• It is made in labs using chemicals.
• It is not bulky like manures.
• It can be dissolved in water.
• It provides some particular elements.
• It might be harmful for the crops.