INTRODUCTION
 
                 source: wbdfarmmachinery
Agriculture today has grow to the extent that 
simple farm tools cannot do work 
fast not even to provide 
sufficient food for the 
large population.
Presently now the growth of 
mechanize agriculture in the world, as not even make
 food sufficient for people. Instead people are still complaining there is no 
food.
Geographically, the increase of population in the world every day make 
food production don't match population growth.
Mechanize agriculture is the source to solve the problem of 
food insufficiency. 
Mechanize agriculture is the process of using machine in
 farm as a source of labour. It cover large are of land.
In the ancient Mesopotamia time 
mechanize agriculture is carry out with the introduction of the plough, usually powered by animals.
The 
first models of 
cotton picker were introduced in 1940s and this do the work of large 
cotton pickers. In 1880s the reaper and 
threshing machine were combined into the combine harvester. In the late, 19th century steam power was applied to 
threshing machines.
MODERN MECHANIZE AGRICULTURE  
 
                         source: wikimedia
Modern mechanize agriculture is one of the factor responsible for urbanization and industrial economies.
Modern 
mechanize agriculture includes the use of Tractors,Trucks, Harvesters, Combine, Crop dusters e.t.c.
Since modern 
mechanize agriculture became the key factor in increasing crops production, it will also contribute to better management of inputs and increase large corporate farms e t c.
20th CENTURY MECHANIZATION
In the 20th century 
agricultural machinery became the source of labour in the farm. One tractor can do work of many horses. 
Mechanization has increased the output of farmers and lessened the hard labour that involved. Most 
agriculturalists prefer using machine to do all their work in farm than using labour. Also using Agro-chemicals like insecticides, fertilizers and herbicides. In the process of planting and harvesting, machine do work fast and help to increase food production.
The 20th century should be the greatest period of the growth in 
agriculture productivity in the world, due to the increase of population. Every one need food. Today many are investing in agriculture, but not considering the aspect of maintenance of tractors,which is the strength of 
mechanize agriculture. 
Agriculture today, the horse population in  farming declined after the conversion of agriculture and transportation to internal combustion.
Since 1930 up to date sophisticated machine are used in farming, especially in 
mechanize agriculture. The used of steam- Engines end in the 1895-1900,from 1930's Diesel- Engines, three point linkage, combine harvester e.t.c.
From 1990's sophisticated electronic, sophisticated software, yield mapping e.t.c.
All these mentioned above are all involved in carrying out 
modern agriculture operations now.
MECHANIZATION PROBLEMS
Many problems are facing 
agricultural mechanization. The problems are as follows:
1. Agricultural machinery are expensive for many farmers to have confidence in.
2. Mechanization is too expensive for poor farmers to practice.
3. The type of topography may not suit farm machinery operations.
4. Mechanize agriculture involved large area of lands, which poor farmers can not afford.
5. Lacks of maintenance of machines and implements.
6. Farm machinery spare parts are not available and no adequate facilities for the repair.
Reviewed by: Omagbemi Nelson Tosan 
REFERENCES 
Douglas H.R (1991): Agriculture Technology in the twentieth centiry. Sunflower University press. Manhatan, kans.
White William J. Economic history of Tractors in the United States.
Ford, Henry and Samuel (1922): My life and Work: An autobiography.
19oo: History of farm machinery in British.
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