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Percentage of work of plow used in cutting furrow slice
43%
Seeding directly into previously undisturbed soil
No-till
Weight of clean threshed grain/grain
Threshing recovery
Distinguishing symbol affixed to products by manufacturers in order to identify them as his goods
Trademark
If a sprocket is used for a chain, a sheave is used for
V-belt
The true point of hitch or center-of-pull of an implement
Center of power
Amount of any material applied per unit treated by a sprayer
Application rate
When pipeline is painted with green and white color, the safety color means that the pipe contains
Liquid of inherently low hazard
The soil profile modified by tillage or amendments for use by plant roots
Root bed
Represents the interrelationship between capacity, head, power, NPSH, and the efficiency of the pump
Performance curve
Filling up of water in the pump to evacuate the entrapped through a vent and create a liquid seal inside the casing
Priming
The grain-straw ration for samples to be used for testing should between the range of
0.5-0.65
Type of gear used for power take-off drive
Spline shaft gear
Machine element used to tighten bolt
Nut
Device that generates electricity from sunlight
Photovoltaic
Type of rice furnace that burn the fuel while it is being spread in a circular pattern inside the combustion chamber
Cyclone furnace
Maximum pumping rate requirement for LOKS
40 strokes per minute
A hand operated tractor suitable for primary and secondary tillage used when field has been soaked for at least half a day to soften the soil
Puddling-type floating tiller
Optimum axle speed for puddling-type floating tiller
250 rpm
Sum of all resistance on the tractor
Running resistance
Shift implement's weight to the tractor's drive wheel in order to improve traction
Weight transfer
International testing center for tractor
NEBRASKA
When a machine is driven directly from the shaft of the power source, the power is transmitted through
Direct drive
Size designation for agricultural V-belt
HA, HB, HC, HD, HE
Gripping device between power source
Clutch
Used to transmit power between two intersecting shafts usually when the angle between them is variable
Universal joint
Type of plow adapted in breaking different types of soil for turning and covering crop residues
Mouldboard plow
Power required in pulling an implement
Drawbar power
Tillage equipment which displaces and shatters soil, used to reduce soil strength and to bury or mix plant materials and fertilizers in the tilled layer
Primary tillage equipment
Tillage implement consisting of two or four gangs of concave disc
Disk harrow
Procedure in which planting is made directly into an essentially unprepared seedbed
Zero tillage
Secondary tillage operation which pulverizes, smoothens, and packs the soil during seedbed preparation and also controls weeds
Harrowing
For to propel an implement in the direction of travel
Draft
The angle in a vertical plane perpendicular to the direction of travel between a centralized tool or reference axis and the soil surface
Tilt angle
Part of the mouldboard plow that receives the furrow slice from the share and turns to break, crush and pulverize the soil
Mouldboard
Part of the mouldboard plow which is used to cut the soil
Share
Part of the mouldboard plow bottom which helps to counteract the side pressure exerted by the furrow slice
Landside
Type of implement which is directly attached to the tractor and its power lift is dependent upon the tractor engine for its general operation
Integral-mounted
Type of implement which is supported by two or three wheels and is hitched to the drawbar of the tractor where it is being pulled
Trailing
Type of plow which is equipped with plow bodies which turns the furrow slice to one side only
One-way plow
Type of plow which has two sets of bodies mounted symmetrically on a shareframe which can be rotated over 180 degrees along the longitudinal axis
Revesible plow
Percentage of work done in pulling an average plow
18%
Percentage of work of plow used in turning slice of soil
34%
Point in which all the horizontal and vertical forces in the plow meets
Center of resistance
Primary tillage plow for rice farming that is attached in replacement to the cage wheel of a power tiller
Spiral
Angle of the disc plow in reference to the vertical plane
Title angle
Angle of the disc plow in reference to the direction of travel of the plow
Disc angle
Power requirement of a rotary tiller for primary tillage
30 kW/m
A plow primarily for loosening the soil
Chisel plow
A plow that is used to break up plow sole
Subsoiler
Gang arrangement on a disc harrow consisting of two gangs of discs placed end to end which throws the soil in opposite direction
Single-action
A gang arrangement often called as "tandem harrow"
Double-action
Gang arrangement in which the harrow is not centrally located with respect to the tractor position
Offset
A trailing harrow that is hitched too high to the drawbar of the tractor will
Have too shallow penetration
Actual coverage rate/total field time
Effective field capacity
Mouldboard plow
Higher draft than disc plow
Tillage operation traditionally performed in preparing a seedbed for a given crop grown
Conventional tillage
Implement with integral power unit designed to provide both mobility and power for performing agricultural operation
Self-propelled machine
Used to place seed in a furrow
Seeder
Used to place plant parts to a prepared furrow
Planter
Machine that prepares the soil, meters the seed, and positions seed in one operation
Drill
Machine which is cylindrical in shape designed for planting germinated rice seed in rows
Drum seeder
Scattering of seeds on the surface of prepared soil
Broadcasting
Planting method wherein seeds are deposited, either singly or in group, in a water soluble tape under controlled condition
Seed-tape planting
Machine that places rice seedlings at a proper spacing on a well-prepared paddy soil
Rice transplanter
Primary factor that affects the performance of the sprayer
Sprayer-particle size
A sprayer apparatus consisting of pressure source and controls and specifically employing an over-the-crop boom with automizer arrange to provide uniform coverage of the treated surfaces
Boom sprayer
Field sprayer that is being carried at the back
Knapsack sprayer
Mechanical or thermal device that produces a liquid dispersion having a volume median diameter of less than 50 um
Aerosol generator
Apparatus which consists of a hopper, a metering unit, and a distribution device, that uses either gravity, centrifugal force, or pendulum action to spread granules to the surface of the entire area to be treated
Broadcast spreader
Machine that cuts rice stalks and places them on a window when they are gathered and bound into sheaves and carried to a thresher
Reaper
Machine that detaches the grain from a panicle
Thresher
Machine used in separating the kernels from the cob
Sheller
Part of a rice thresher which encloses the threshing cylinder and allows the separation of the grains from the panicle
Concave
Type of mechanical thresher in which rice stalks are fed into the threshing chamber while the stalks are either mechanically or manually held during threshing operation
Hold-on thresher
Type of throw-in thresher wherein rice-in-stalks are fed in between the cylinder and the concave and go directly out of the threshing chamber
Through-flow thresher
Type of throw-in thresher which moves the materials being threshed in a helical manner around the threshing cylinder
Axial-flow thresher
Knife velocity/forward velocity of rice reaper
1.35
Mass of fuel consumed per unit of time/measured power
Specific fuel consumption
Tillage or soil preparation in which plant residues are specifically left on or near the surface
Mulch tillage
Center to center distance between overlapping broadcast applications
Swath
Portion of the combine comprising the mechanism for gathering crops
Star wheel
Horizontal distance, perpendicular to the direction of travel, an implement performs its intended function in one pass
Operating width
Fluid or solid used to propel or transport chemical
Carrier
Portion of implement in terms of force per unit area of tilled cross-section
Specific draft
CIF
Cost, insurance, freight
A clutch that is used to drive a machine element in only one direction
Overrunning clutch
A clutch that limits the amount of torque or power that is transmitted through the shaft to the driven member
Slip clutch
Unbroken side of a furrow
Furrow wall
Raise ridge formed when plowing starts in the middle of strip
Back furrow
Open trench left during plowing when the strips are finished
Dead furrow
Soil-handling implement which turn uniform ridges of soil to a predetermined shape
Bed shaper
When a disc plow is set on vertical position, the plow will
Not penetrate
Tillage system which consist of fewer or less energy intensive optimum compared with conventional tillage
Reduce tillage
30% or less of the soil surface is tilled, the tillage operation employed
Strip tillage
Soil-tool reaction in which soil slides over the surface of the tillage tool without significant adhesion
Scouring
Agricultural tractors, self-propelled machines, implement design fro field operation
Agricultural field equipment
A self propelled implement
Does not require a tractor to operate
A booklet in which adjustments, care and maintenance, and safety of the machine are indicated
Operator's manual
The line of pull that is straight from the center-of-load through the point where the drawbar of the draft is attached to the drawbar of the tractor
Vertical line draft