Question

what were the advantages and disadvantages of the use of mechanical harvesting machine of usa

Answer 1

Advantages-Crops are grown faster.It gives more commercial benefits.It has a quantative result.
Disadvantages-It decreases the level of ground water.Excessive loss of water.Decreases water for other organisms.

Answer 2

Advantages:

1. It allowed big farmers to rapidly clear large tract, break the soil, remove the grass and prepare ground for cultivation.
2. These machines reduced dependence on labour and increase efficiency.
3. These machines helped to increase production.

Disadvantages:

1.Very expensive for poor farmers.
2. Increase unemployment.