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The top is set with more clearance than the bottom to allow a gradual cleaning action. Setting the concave clearance, fan speed, and sieve size is critical to ensure that the crop is threshed properly, the grain is clean of debris, and all of the grain entering the machine reaches the grain tank or 'hopper'.
The first seed-counting machine was the vibratory mechanical seed counter. Modern day electronic seed counters are faster and more accurate. [3] In 1929 the US Bureau of Plant Industry worked with several seed companies to perfect a seed counter. [4] In 1962 an electric seed counter was developed by the USDA's Agricultural Marketing Service ...
The economy of Kenya is the largest by GDP in East and Central Africa. [1] [2] Agriculture is a major employer; the country traditionally exports tea and coffee and has more recently begun to export fresh flowers to Europe. The service industry is also a major economic driver. Additionally, Kenya is a member of the East African Community ...
Mechanical screening, often just called screening, is the practice of taking granulated or crushed ore material and separating it into multiple grades by particle size.. This practice occurs in a variety of industries such as mining and mineral processing, agriculture, pharmaceutical, food, plastics, and recycling.
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The seed drill sows the seeds at the proper seeding rate and depth, ensuring that the seeds are covered by soil. This saves them from being eaten by birds and animals, or being dried up due to exposure to the sun. With seed drill machines, seeds are distributed in rows; this allows plants to get sufficient sunlight, nutrients from the soil.
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A threshing machine or a thresher is a piece of farm equipment that separates grain seed from the stalks and husks. It does so by beating the plant to make the seeds fall out. It does so by beating the plant to make the seeds fall out.