Horticultural Machineries

Topics: Fire-tube boiler, Boiler, Boilers Pages: 16 (5833 words) Published: May 28, 2013
HLT 443
The word horticulture is derived from the Latin hortus “garden” and cultura “cultivation”. It is the science involved with intensive plant cultivation for human use. It is very diverse in its activities, incorporating plants for food (fruits, vegetable, and mushroom) and non-food crops (flowers trees and shrubs). It also includes related services in plant conservation, landscape restoration, landscape and garden design. Horticulture involves several, areas of study which can be grouped into two broad sections-ormentals and edibles. Horticultural machinery are the various tractors, rotary cultivators, drills, sprayers, root vegetable harvesters and other equipment of interest to horticulturist POWER UNITS USED FOR HORTICULTURAL PURPOSES

The need for special types of power unit and or cultivation implements arises when it is necessary to work between fruits trees or halyard, where the planting distance has already been decided and the equipment has to conform to it. narrow rows of fruits and haps sometimes necessitate the use of extremely narrow tractors, with overall widths of about 4 ft (1.2m) such tractors require specially adapted mounted equipment and use among other implements, types of plough which are designed for plugging up or away from both sides of rows of haps or fruits some of special cultivation implements used include. 1. SMALL ROTARY CULTIVATORS

A rotary cultivator is a tool that is used to loosen, aerate and prepare soil for new planting or to enhance the condition of soil for existing plantings. A rotary cultivator often known as rotatiller or roto cultivator consists of sharp rotating tins or blades that are typically made of steel or aluminum. The rotating tins dig into the soil, loosening and aerating the soil in a process known as cultivation. Cultivating soil is important because over a period of time soil tends to compact and harden. This can make it more difficult for plant to receive the proper level of water and nutrients. Breaking up and loosening compacted soil makes it easier for water and nutrients to flow through the soil and into plantings. A small rotary cultivator is hand held cultivator either self propelled or powered. It looks much like a lawn mower. A self propelled rotary cultivator has tins (blades) attached to a pole that is similar to a long stick and the user simply pushes it to cultivate a lawn or garden. Many self propelled cultivators have aluminum tines which some users have found to be too light weight for anything more than light grader use. There are therefore self-propelled cultivators that utilize a heavier weight metal for the rotating tines, which many find to be more effective. However, the heavier weight of these tools may make it more difficult to use for an extended period of time. A motorized cultivator is powered by a small gasoline or electric motor; it is often used on large gardens. The tines of a rotary cultivator rotate in the opposite direction of the wheel and till to a depth of 8 to 10 inches normal width of the small rotary cultivator range from 4 – 8 ft (2 – 2.4m) with power rating ranging from 1 hp to 8 hp (0.75kw) 2. WALKING TRACTOR

The walking tractor or two-wheel tractor is a tractor with one axle self powered and self-propelled which can pull and power various farm implements such as a tractor, cultivator, or harrow, a plough or various seeders and harvesters. The operator usually walks behind it or sides the implement being towed like a four-wheel tractor, the walking tractor is designed to run many attachments with a single power source and gives thousands of hours of services. These tractors are fitted with engines of up to 3hp (2.2 kw). Some walking tractors now constructed have a power rating of up to 12 hp. 3. NARROW TRACT TRACTOR

Narrow track tractors are of interest to horticulturalist who frequently need to pull a heavy spraying machine as well as to carry out plugging and other...
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