TILLAGE OPERATION

Question 1

Tillage of an entire area as contrasted to a partial tillage as bands or strips

Answer 1

Broadcast tillage

Question 2

Primary tillage operation which manipulates the soil to a greater depth than 300 mm

Answer 2

Deep tillage

Question 3

Tillage action and transport operation utilized to loosen, load, carry and unload soil

Answer 3

Earthmoving

Question 4

Tillage operation which move soil to create desired soil configuration

Answer 4

Land forming

Question 5

Tillage operation that cut and moves small layers of soil to provide smooth, refined surface

Answer 5

Land planning

Question 6

A system that maintains a minimum of 30% residue cover on the soil surface after planting or maintains at least 1, 100kg/ha of flat small grain residue equivalent on the soil surface during the critical erosion period

Answer 6

Conservation tillage

Question 7

System traditionally performed in preparing seedbed for a given crop and grown in a geographical area

Answer 7

Conventional tillage

Question 8

System wherein least soil manipulation is performed

Answer 8

Minimum tillage

Question 9

System in which tillage of the total soil surface is performed in such a way that plant residue is specifically left on or near the soil surface

Answer 9

Mulch tillage

Question 10

Idealized system which permits a maximized net return for a given crop under given conditions

Answer 10

Optimum tillage

Question 11

Subsoiling under the plant row prior to planting usually intended for subsurface drainage

Answer 11

Precision tillage

Question 12

System in which large number of depressions or small reservoirs are formed to hold rain or sprinkler applied water

Answer 12

Reservoir tillage

Question 13

Operations simultaneously utilizing two or more different type of tillage tools or implements to simplify, control, or reduce the number of trips over a field

Answer 13

Combined tillage operation

Question 14

Outer layer of the brown rice consisting of the aleurone cells covering the endosperm of the rice grain

Answer 14

Bran

Question 15

Pieces of grains smaller than 3/4 of the average length of the unbroken kernels

Answer 15

Broken grains

Question 16

Rice kernels from which only the hull has been removed and with the bran layer still intact

Answer 16

Brown Rice

Question 17

Grain or piece of grain with its length equal to or greater than 3/4 of the average length of the whole kernels

Answer 17

Head rice

Question 18

Grains obtained after the removal of hull, bran or germ

Answer 18

Milled rice

Question 19

Rice mill that employs a series of two or more whitening/polishing machines

Answer 19

Multi-pass rice mill

Question 20

Device of a rice mill, which removes the remaining bran on the milled rice and produces glossy appearance

Answer 20

Polisher

Question 21

Type of rice mill having an under-runner stone disc huller and vertical cone whitener

Answer 21

Cone “cocno” type

Question 22

Type of rice mill using a rubber roll huller and utilizes friction and/or combination of other types of whitener

Answer 22

Rubber roll type

Question 23

Type of huller with rotating blades and utilizes pressure such as Coriolis’ force, frictional force from the blades, or impact force at collision with the blades and peripheral surface

Answer 23

Centrifugal type

Question 24

Rice that employs only one whitening machine

Answer 24

Single pass

Question 25

Rice grain from which the hull, the germ, the outer bran layers and the greater part of the inner bran layer have been removed, but part of lengthwise steaks of the bran layers may still be present on less than 20% of the sample grains

Answer 25

Well milled rice

Question 26

Type of whitening machine consisting of a cylinder or cone with abrasive material such as emery stone or any similar materials enclosed in a perforated steel housing

Answer 26

Abrasive type