Tillage and SLUS Unit Test - 2 — Agri Master Mind
The primary objective of conservation tillage is
- Removal of plant residues
- Partial retention of plant residues
- Complete retention of plant residues
- None of these
Conservation tillage tends to encourage
- Higher microbial population
- Low microbial population
- Reduced number of earthworms
- None of these
Zero tillage system was first used during 1950 pasture renovation in
- India
- USA
- France
- Japan
Which of the followings is a primary tillage implement?
- Blade harrow
- Disc harrow
- MB plough
- Cultivator
Father of tillage is
- J.B. Lawes
- Aurthur Young
- Liebig
- G.B. Triplet
Physical condition of soil is called
- Texture
- Structure
- Tillage
- None of these
Water requirement for land preparation with pudling is around
- 50 mm
- 150 mm
- 300 mm
- 500 mm
Capillary and non-capillary pores must be in proportion for good crop production
- 1:3
- 3:1
- 1:1
- 4:1
Generally roots occupy of soil mass
- 1/2
- 1/4
- 1/3
- 1/10
Tillage operations share about cost of cultivation Percent of total
- 10
- 30
- 50
- 80
Subsoil compaction is broken by
- MB plough
- Cultivator
- Disc plough
- Chisel plough
Good tilth has…….. Mm size of aggregates
- 0-5
- 0-2
- 0-3
- 0-4
Sub soiler works up to a depth of
- 25 cm
- 35 cm
- 50 cm
- 75 cm
Most common tillage implement used in India is
- Country plough
- Victory plough
- Mould board plough
- Harrows
Basin lister is useful in cheeks
- Cutting and pulverizing the light soil
- Sub soil breaking
- Earthing up
- Preventing run off and to form basins
Sweep cultivator is useful in
- Harvesting of groundnut
- Micro levelling
- Weeding in drylands
- Breaking of clods
Laser levelling of soil can reduce water loss by........Per cent
- 5-10
- 20-30
- 50-60
- 80-90
The main objective of secondary tillage is
- To prepare a good seed bed
- To break the compact or hard soil
- To control weeds
- None of these
Zero tillage is mostly practiced under…….. Cropping sequence
- Wheat-wheat
- Wheat-rice
- Rice-wheat
- Rice-rice
Leading country in the world for conservation agriculture is
- Brazil
- USA
- Africa
- China
The concept of minimum tillage was started in
- China
- India
- Australia
- None of these
The concept of minimum tillage was started in
- 1974
- 1994
- 2004
- 1984
Sod seeding (sowing rice without ploughing in graded pasture) is commonly practiced in
- USA
- Europe
- Russia
- None of these
Good soil structure for crop production is
- Granular
- Crumbly
- Both a & b
- Blocky
Cultivation with implements to control weeds before the crop comes up is called
- Blind tillage
- Secondary tillage
- After cultivation
- None of these
Junior hoe is used for
- Inter-cultivation in wide spaced crops
- Inter-cultivation in closed spaced crops
- Both a & b
- None of these
Conservation agricultural is practiced on about …. Million ha area in the world
- 100
- 90
- 72
- 200
Raising of crop with least tillage operations is called
- Zero tillage
- No tillage
- Minimum tillage
- All of these
Light plough used in water logged area is
- Mould board
- Turn wrest
- Desi plough
- Punjab plough
Which of the following is not a primary tillage practice
- Harrowing
- Weeding
- Ploughing
- Planking
Tillage operations done in between crop rows is known as
- Weeding
- Harvesting
- Prepatory cultivation
- Intercultivation
Which of the followings is not a secondary tillage implement?
- Disc pough
- Disc harrow
- Clod crusher
- Cultivator
Pulverization of seed bed is the objective of
- Primary tillage
- Secondary tillage
- No tillage
- Minimum tillage
Rotavator is a
- Primary tillage tool
- Secondary tillage tool
- Reduced tillage implement
- None of these
The shape of furrow slice cut by desi plough is
- Square
- Rectangular
- V shaped
- Trapezoidal
Depth of ploughing is more than 15 cm, it is known as
- Normal ploughing
- Deep ploughing
- Shallow ploughing
- Zero ploughing
Normal ploughing is done up to a depth of about
- 2 cm
- 15 cm
- 50 cm
- 100 cm
Ridger is used for
- Making furrows
- Earthing up operation
- Making channels
- All of these
Plough that is best suited for dry land condition is
- Disc plough
- Lister plough
- Sub soiler
- None of these
In zero tillage the extent of saving of diesel is about
- 25 %
- 50%
- 75%
- 90%
Zero tillage advances wheat sowing by
- 1-2 days
- 4-5 days
- 7-8 days
- 9-10 days
The size of tractor required to operate a subsoiler is
- 25-40 hp
- 40-45 hp
- 50-60 hp
- 60-80 hp
A clod crusher is a type of
- Spike tooth harrow
- Rolling harrow
- Disc harrow
- Reciprocating harrow
The most commonly used crusher is
- Planker
- Leveller
- Harrow
- Cultivator
A laser leveller is used for
- Moving the soil in the field
- Rough levelling off the field
- Fine grading of the field
- All of these
Spike tooth harrows are used for
- Interculture
- Primary tillage
- Surface finishing
- None of these
The disc diameter in disc harrow varies from
- 35-70 cm
- 20-25 cm
- 50-90 cm
- 100-125 cm
Generally the disc spacing kept in disc harrow is
- 15-20 cm
- 25-30 cm
- 30-40 cm
- > 50 cm
Blade harrow is a
- Sowing implement
- Secondary tillage implement
- Primary tillage implement
- Fertilizer application implement
A cultivator is used for
- Seed bed preparation
- Intercultural operation
- Sowing of seeds with seeding attachments
- All of these
In tractor drawn cultivators number of tines may be
- A. 3, 5, 7
- 7, 9, 11, 13 or more
- 2, 4, 6, 8 or more
- 6, 8, 10, 12 or more
Number of tines in animal drawn cultivators are
- Two
- Five
- Three
- Six
The useful life of a cultivator is
- 8 years
- 12 years
- 10 years
- 15 years
The extent of energy saving by rotavator for tillage operation over traditional method is
- 5%
- 7.5 %
- 10 %
- 15%
FIRB technology is planting of
- Wheat
- Pearlmillet
- Potato
- Maize
FIRB technology was first introduced in India in the year
- 1985
- 1990
- 1995
- 2000
Normally in FIRB system 2-3 rows of wheat are planted on a bed width of
- 50 cm
- 60 cm
- 70 cm
- 80 cm
The machine used for FIRB system of crop planting is known as
- Tractor drawn seed drill
- Tractor drawn raised bed planter
- Tractor drawn no till drill
- Rice transplanter
Zero-till drill is generally practiced in crop rotation in India
- Paddy-wheat
- Bajra-wheat
- Cotton-wheat
- Maize-wheat
Zero till drill is identical with conventional seed drill except it uses
- Inverted 'T' type furrow opener
- Disc type furrow opener
- Hoe type furrow opener
- Combined furrow opener
The main objective of intercultivation is to
- Conserve soil moisture
- Increase aeration till
- Control weeds
- Increase water holding capacity
Blind hoeing is possible in
- Rice
- Potato
- Sugarcane
- Wheat
Frequent harrowings results in.... Of soil structure
- Improvement
- Destruction
- No effect
- None of these
For taking up tillage operations we should consider
- Texture of soil
- Structure of soil
- Type of soil
- Moisture content of soil
The hardening of surface soil is technically termed as
- Compaction
- Pulverization
- Hard pan
- None of these
Deep ploughing is recommended
- Every season
- Once in a year
- Once in 2-3 years
- Once in 5-6 years
The depth of penetration of MB plough is
- 10 cm
- 40 cm
- 25 cm
- 50 cm
The process of mechanical manipulation of soil to make it suitable for crop production is termed as
- Tillage
- Tith
- Preparatory tillage
- Primary tillage
Bunds are formed by
- Disc plough
- MB plough
- Desi plogh
- Bund former
Tillage operation share about……. Percentage of total Cost of cultivation
- 10
- 50
- 30
- 80
Generally roots occupy....... Of soil mass
- 1/3
- 1/5
- 1/7
- None of these
For close spaced crops, weeding operation is done by
- Star weeder
- Rotary weeder
- Hand hoe
- All of these
Plough used for drainage purpose is
- Mould board plough
- Turn wrest plough
- Mole plough
- Chisel plough
Mould board plough was made in India during
- 1930
- 1920
- 1940
- 1950
Iron share was first invented in 1785 by
- James Small
- William Amos
- Robert Ransome
- None of these
Set line planting is practiced in Gujarat for cultivation of
- Groundnut
- Cotton
- Both a and b
- Sugarcane
Normally the sweeps are used for
- Soil mulching
- Furrow openers
- Ridging
- None of these
Seed drill and Horse -Hoe were introduced by
- Jethro Tull
- James Small
- William Amos
- None of these
Mould board was invented by
- William Amos (England)
- Thomas Jefferson (USA)
- James Small (Scotland)
- All of These
Iron plough was invented by
- William Amos
- Thomas Jefferson
- James Small
- Jethro Tull
Sod seeding (sowing rice without ploughing in grazed pasture) is common practice in
- USA
- Europe
- Russia
- None of these
Most important tillage implement used in India is
- Country plough
- Victory plough
- Mould board plough
- Harrow
"Ultra narrow cultivation" is practiced in
- Rice
- Groundnut
- Maize
- Cotton
Soil aggregate size must be...diameter for good crop under irrigated conditions
- 1-2 mm
- 2-3 mm
- 3-5 mm
- >5 mm
Critical level of oxygen in soil for better root growth is
- 1-2%
- 3-5%
- 5-10%
- >10%
The word tillage is derived from language
- Greek
- Latin
- English
- Anglo-Saxon
What is the optimum per cent depletion of available moisture for effective ploughing?
- 0-25
- 25-50
- 70-80
- 50-70
Sub soiler works up to a depth of
- 25 cm
- 50 cm
- 75 cm
- 35 cm
Drainage is…….times slower in puddled soils than granulated soil
- 10
- 1000
- 100
- 10000
Which type of tillage involves turning over the soil completely?
- No-till
- Conservation tillage
- Conventional tillage
- Reduced tillage
What is the primary purpose of tillage?
- To control pests
- To improve soil structure
- To reduce soil erosion
- To increase water availability
Which type of tillage minimizes soil disturbance and maintains crop residues on the soil surface?
- Conventional tillage
- No-till
- Reduced tillage
- Intensive tillage
What is the main drawback of intensive tillage practices?
- Increased soil compaction
- Loss of soil fertility
- Enhanced soil aeration
- Promotion of soil organic matter
Which soil property is typically affected by tillage practices?
- Soil pH
- Soil texture
- Soil organic matter content
- Soil temperature
Which of the following is NOT a type of tillage system?
- Strip tillage
- Rotational tillage
- Ridge tillage
- Broadcast tillage
Which type of tillage is often associated with minimum disturbance of the soil structure?
- Deep tillage
- Surface tillage
- Vertical tillage
- No-till
How does reduced tillage impact soil erosion compared to conventional tillage?
- Increases soil erosion
- Decreases soil erosion
- Has no effect on soil erosion
- Depends on other factors
Which of the following soil properties is generally improved by reduced tillage practices?
- Soil compaction
- Soil structure
- Soil pH
- Soil salinity
Which type of tillage is most effective in reducing soil erosion?
- Conventional tillage
- No-till
- Reduced tillage
- Strip tillage
Which soil property is negatively affected by excessive tillage?
- Soil organic matter content
- Soil aggregate stability
- Soil fertility
- Soil compaction
Assertion: Soil moisture content affects the effectiveness of tillage operations. Reason: Soil moisture influences soil strength, making it easier or harder to till.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: The type of soil impacts the choice of tillage implements. Reason: Different soils have varying levels of compaction and texture, requiring different tillage tools for effective soil management.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: Depth of tillage affects soil structure. Reason: Deep tillage disrupts soil layers, improving aeration and root penetration.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: Soil pH does not impact tillage operations. Reason: Tillage is solely dependent on soil moisture and texture.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: The slope of the land affects the choice of tillage methods. Reason: Steeper slopes are prone to erosion, requiring conservation tillage practices to prevent soil loss.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: Soil texture influences the depth of tillage required. Reason: Sandy soils require deeper tillage to improve water retention and nutrient distribution.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: The presence of rocks in soil impedes tillage operations. Reason: Rocks can damage tillage equipment and hinder proper soil preparation.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: Soil compaction affects root development. Reason: Compacted soils restrict root penetration and nutrient uptake by plants.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: The climate influences the frequency of tillage operations. Reason: Wet climates may require more frequent tillage to manage excess moisture and prevent waterlogging.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: Crop residue management is an important consideration in tillage practices. Reason: Residues left on the soil surface can affect soil moisture retention, weed suppression, and erosion control.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: The tillage depth affects soil temperature. Reason: Deeper tillage can expose deeper soil layers to sunlight, influencing soil temperature.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: The presence of soil microorganisms is unaffected by tillage practices. Reason: Tillage operations do not significantly impact soil microbial populations.
- Both assertion and reasoning are true, and the reasoning correctly explains the assertion.
- Both assertion and reasoning are true, but the reasoning does not correctly explain the assertion.
- Assertion is true, but the reasoning is false.
- Both assertion and reasoning are false.
Assertion: The age of the tillage equipment does not affect its performance. Reason: Tillage equipment remains effective regardless of its age if properly maintained.
- Both assertion and reasoning are true, and the reasoning correctly explains the assertion.
- Both assertion and reasoning are true, but the reasoning does not correctly explain the assertion.
- Assertion is true, but the reasoning is false.
- Both assertion and reasoning are false.
Assertion: Tillage intensity has no impact on soil organic matter. Reason: Tillage intensity does not affect the decomposition rate of organic matter in the soil.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: The width of tillage implements influences fuel consumption. Reason: Wider implements cover more ground per pass, reducing fuel consumption per unit area.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: Soil moisture content affects the draft requirement of tillage implements. Reason: Higher soil moisture reduces soil cohesion, resulting in lower draft requirements for tillage.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: Tillage practices have no impact on soil biodiversity. Reason: Soil biodiversity remains constant regardless of tillage practices.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: The cost of tillage operations is independent of farm size. Reason: Tillage costs are primarily determined by fuel prices and equipment maintenance, not farm size.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: Soil texture affects the power requirement of tillage implements. Reason: Heavier soils require more power to till due to their higher density and cohesion.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: The time of year affects the effectiveness of tillage operations. Reason: Wet conditions during certain times of the year can hinder tillage operations, leading to soil compaction.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: Tillage depth does not influence seedbed preparation. Reason: Seedbed preparation is primarily affected by the type of tillage implement used, not the depth of tillage.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: Soil type has no effect on the selection of tillage practices. Reason: Tillage practices remain consistent regardless of soil type to achieve similar results.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: Tillage operations have no impact on soil structure. Reason: Soil structure remains unchanged regardless of tillage practices.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: Soil compaction is not affected by tillage practices. Reason: Tillage operations do not influence soil compaction levels.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Assertion: The frequency of tillage operations does not impact soil health. Reason: Soil health remains constant regardless of the frequency of tillage operations.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False