Q6 of 465 Page 63

What are advantages of using manure?

Advantages of manures are:

(i) Manures are natural fertilizers and do not cause pollution to environment.

(ii) Manures are bulky sources of organic matter which supply nutrients in small quantity and organic matter in large quantities.

Name three most important nutrients required for plant growth.

Choose plant’s micronutrients and macronutrients from the following

Iron, Chlorine, Sulphur, Copper, Nitrogen, Calcium, Manganese, Potassium, Zinc, Magnesium, Molybdenum, Phosphorus.

Give two limitations of using manure.

Compare the use of manures and fertilizers in maintaining soil fertility.