Let us compare both, which manure is beneficial.
Chemical fertilizers |
Natural fertilizers |
1. These are made up of inorganic salts. |
1. These are made by the decomposition of plants and animal (organic) wastes. |
2. These are prepared in factories. |
2. These are prepared in open places. |
3. No humus can be found. |
3. Deposits of humus layer is found in the soil. |
4. More amount of Nitrogen, Phosphorus and Potash deposits in the soil. |
4. Potash deposits in the soil. |
Observe the table carefully, discuss with your teacher and conclude which fertilizer is best to the farmers and why?
a) When do farmers irrigate the land?
b) List out the water resources of your village.
c) Are they useful to your farmers?
d) In what way the farmers of your village get water to the fields ?