Agricultural machinery, such as tractors, combines, and sprayers, are essential to meet the growing demand for food. Tractors have evolved from simple machines to sophisticated ones with tracks, cabs, and dashboard computers. Other machinery includes broadcast seeders, combine harvesters, baling machines, and crop dusters.
World population growth means that world food demand is also growing. To meet these demands, production must be faster and more efficient than ever before. Agricultural machinery, such as tractors, combines and sprayers, help achieve these goals.
A tractor is typically one of the most recognized pieces of agricultural machinery. What may not be as widely recognized are the capabilities of these machines and the technology they are equipped with. The main purpose of a tractor is to transport or pull something as part of the agricultural process. With older models, this could be a very difficult job.
Tractors were once simple motorized machines with two large wheels at the rear and two smaller wheels at the front. Tractors have evolved into sophisticated agricultural machinery that may not even have wheels. Some models are equipped with tracks instead, and modernized tractors may also have cabs equipped with heated seats, automatic temperature controls and dashboard computers.
Broadcast seeders are machines that can be attached to tractors to distribute seeds. These machines come in different sizes, but the larger models are usually linked so that they can draw operating power from the tractor. The seeds are placed inside the hopper, which is a funnel-like barrel that can have multiple scoops inside. There are usually rotating discs at the bottom of the machine that can be adjusted for various diffusion patterns.
A combine harvester is a large machine that is used to harvest grains, such as wheat, barley and corn. This piece of agricultural machinery is significant because it performs what traditionally were three distinct jobs. A combine harvester chops the plants; removes the edible part, which is the grain; and then cleans the debris from the grain. Once the combine has a significant supply in the storage tank, it can easily be loaded onto a truck and transported elsewhere.
The discarded part of the plants that the combine leaves behind can often be used for hay. The remains of those plants are typically converted into neat bales with another piece of farm machinery. There are machines that produce square bales and others that produce round bales. Both types of baling machines typically employ a forced packing and packing system to achieve the desired shape.
A crop duster is an agricultural aircraft that can be used to spread agricultural substances such as pesticides or fertilizers over large areas. The pilot generally flies his aircraft low and substances are sprayed in streams from the wings. Not only does this method generally save time, but it also avoids the risk of crops being damaged by wheeled machines.
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