LPM 121: Fodder Production and Grassland Management (1+1)

DIFFERENT FORMS OF POWER AND THEIR ADVANTAGES

Merit		Demerit
Human Power
1.	Easily available.	1.	Costliest power compared to all other forms of power.
2.	Used for all types of work.	2.	Very low efficiency.
		3.	Requires full maintenance when not in use.
		4.	Affected by weather condition and seasons.
Animal Power
1.	Easily available.	1.	Not very efficient.
2.	Used for all types of work.	2.	Seasons and weather affect the efficiency.
3.	Low initial investment.	3.	Cannot work at a stretch.
4.	Supplies manures to the field and fuels to farmers.	4.	Requires full maintenance when not in use.
5.	Lives on farm products.	5.	Creates unhealthy and dirty atmosphere near the residence.
		6.	Very slow in doing work.
Mechanical Power
1.	Efficiency is high.	1.	Initial capital investment high.
2.	Not affected by weather.	2.	Fuel is costly.
3.	Cannot run at a stretch.	3.	Repairs and maintenance needs technical knowledge.
4.	Requires less space.
5.	Cheaper form of power.
Electrical Power
1.	Very cheap form of power.	1.	Initial capital investment high.
2.	High efficiency.	2.	Requires good amount of technical knowledge.
3.	Can work at a stretch.	3.	If handled carelessly, it causes great danger.
4.	Maintenance and operating cost is very low.
5.	Not affected by seasons.