CHAPTER ONE
INTRODUCTION
1.1 BACKGROUND OF STUDY
Mechanized agriculture is the process of
using agricultural machinery to mechanize the work of agriculture, greatly
increasing farm worker productivity. In modern times, powered machinery has
replaced many farm jobs formerly carried out by manual labour or by working
animals such as oxen, horses and mules. As individuals within a society become
more specialized in their economic activities, they come to rely upon others to
supply at least some of the products and services which they need. The entire
history of agriculture contains many examples of the use of tools, such as the
hoe and the plough. The ongoing integration of machines since the Industrial
Revolution however has allowed farming to become much less labour-intensive.
Since the beginning of agriculture threshing
was done by hand with a flail, requiring a great deal of labour. The threshing
machine, which was invented in 1794 but not widely used for several more
decades, simplified the operation and allowed the use of animal power. Before
the invention of the grain cradle (ca. 1790) an able bodied labourer could reap
about one quarter acre of wheat in a day using a sickle. It was estimated that
for each of Cyrus McCormick's horse-pulled reapers (ca. 1830s) freed up five
men for military service in the US Civil War.[2] Later innovations included
raking and binding machines. By 1890 two men and two horses could cut, rake and
bind 20 acres of wheat per day.[3]
1.2 STATEMENT OF THE PROBLEM
Mechanized agriculture is the process of using
agricultural machinery to mechanize the work of agriculture, greatly increasing
farm worker productivity. The effective mechanization contributes to increase
production in two major ways:
i.
The timeliness of operation
ii.
The good quality of work.
The
requirement of power for certain operations like seedbed preparation,
cultivation and harvesting becomes so great that the existing human and animal
power in the country appears to be inadequate. As a result, the operations are
either partially done or sometimes completely neglected, resulting in low yield
due to poor growth or untimely harvesting or both.
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