Arun Katyayan Agronomy Part 01 — Agri Master Mind
The most appropriate to jhumming Land is fixed but crop is rotated Cause soil erosion Practised in NER in india
- Only a
- A,b, and c
- A and c
- A and b
Subsistence agriculture is
- To sustain life and family need
- It require high cost and input
- To obtain high income
- Ecological balance
Pillars of modern cropping system are
- Geotype
- Geometry of planting
- Management practices
- All of these
Yearly sequence and spatial arrangement of crops and fallow in a given area is called
- Cropping scheme
- Cropping pattern
- Cropping system
- Farming system
Major cropping system in India is
- Maize – wheat
- Maize – wheat
- Wheat – maize
- Rice – wheat
The plan according to which crop are raised on individual plot of a farm with an objet of getting the maximum returns from each plot without impariring ferlility of the soil is
- Cropping scheme
- Cropping pattern
- Cropping system
- Farming system
The number of crops grown per annum on a given area of land times 100 is called
- Cropping system
- Cropping design
- Cropping intensity
- Cropping index
Any subsidiary crop grown in association with a main crop is
- Component crop
- Sole crop
- Inter crop
- Companion crop
Intercopping is the intensification of crops in
- Time dimension
- Space dimension
- None
- Both a and b
Growing two or more crop simultaneously during part of life cycle of each is
- Intercropping
- Relay cropping
- Strip cropping
- Mixed cropping
Repetitive growing of same sole crop in the same land is
- Monoculture
- Sole cropping
- Crop rotation
- None
Match of the following A with B Innovators a. 13.5 % Early Adoptors b. 34 % Early majority c .34 % Late majority d.2.5 % Leggards e 16 %
- I)-c, ii)-a, iii)-b, iv)e, v)d
- I)-d, ii)-b, iii)-a, iv)e, v)c
- I)-d, ii)-a, iii)-b, iv) c v) e
- I)-a, ii)-d, iii)-b, iv)e, v)c
Complementary interaction between intercrops in space and time dimension is
- Synergistic cropping
- Companion cropping
- Annidation
- None
Cultivation of crops which have different natural habit and zero competition is
- Parallel cropping
- Synergistic
- both
- None of these
Intercropping is said to be beneficial when LER is
- 0
- 1
- <1
- >1
Climate produced by land sea breeze or mountain valley breeze is example of
- Macro climate
- Micro climate
- Topo climate
- Meso climate
Ideal dimension for agrometerological observatory is
- 50 X30
- 100 x60
- 60 X40
- 60 X30
Agro metrological observatories are maintained for
- Study of weather
- Agriculture research
- Study of climate
- None of these
Solar constant value is ….
- 1.94 cal/cm2/min
- 1.94cal /m2/sec
- 1.94 cal/m2 /min
- 1.94 /cm / sec
Total number of agro- ecological sub – region (AESRs)in India is
- 15
- 20
- 21
- 60
The largest agro – climate zone in the country is
- Eastern plateau and hill region
- Western plateau and hill region
- Western dry region
- The island region
A drought that occurs due to an imbalance between soil moisture and evapotranspiration of a crops is …
- Agriculture drought
- Hydrological drought
- Meterological drought
- Physiological drought
A drought that occurs due to lack of moisture conservation practices is …
- Apparent drought
- Physiological
- Agriculture drought
- Socio – economic drought
The zone delineated by thornthwaite moisture moisture indices form more than 100 is …
- Semi – arid
- Arid
- Humid
- Extreme humid
A dry soil layer at the surface may be create in - situ by loosening surface soil and hastening the drying of upper soil is knows as ………
- Soil mulch
- Straw mulch
- Stubble mulch
- Vertical mulch
The CRIDA was established in the year
- 1967
- 1988
- 1985
- 1992
Leaf and canopy temperature can be measured by
- Infrared thermometer
- Barometer
- Lysimeter
- None of these
The fraction of total precipitation which forms a part of crop consumptive use is knows as …
- Effective rainfall
- Effective irrigation
- Effective climate
- Erodibility
The amount of water needed to return the soil moisture status to the field capacity is knows as ….
- Soil moisture deficit
- Soil moisture stress
- Soil moisture tension
- Osmotic stress
Rainfed farming areas are characterized by a growing season of
- <75 days
- 75-120 days
- >120 days
- 50 -70 days
In India dryland constitutes …… % of the cultivated area .
- 78
- 88
- 68
- 48
Higher yield of rice could be ensured by adequate suppy of ….. fertilizer at the tillering stage
- Nitrogen
- Potash
- Phosphrous
- All of these
Abnormally rapid erosion in an environment disturbed by animals life , chiefly man is called
- Erodibility
- Erosion resistant
- Erosion accelerated
- None
Humid and sub – humid part og northeastern states comes under
- Organic farming
- Dry farming
- Drought year
- Rainfed farming
Which of the following is / are water – absorbing chemicals ?
- Pusa hydrogel
- Jalshakti
- Aquasorb
- All of these
Incorporation of vegetative mulch in a band in the for the purpose of harvesting rain water and conversing soil and water is know as ..
- Tillage depth
- Tillability
- Vertical mulching
- Tillage action
Which is the stomatal closure type anti – transpirant ?
- Kaoline
- PMA
- Mobileaf
- All of these
The meterological drought occurs when the rainfall deficiency is more than ….. % of long term average .
- 75%
- 50%
- 60 %
- 25%
Which of the following is drought – resistant crop ?
- Rice
- Barely
- Potato
- Sorghum
Physiological drought is mainly caused by …
- Salinity and alkalinity
- Less water
- Plant pathogen
- All of these
Maximum wind erosion occurs in
- Karnataka
- UP
- Rajasthan
- MH
Dryland contributes …% of the total food production in India
- 42
- 68
- 72
- 84
ICARDA was established in the year …
- 1987
- 1980
- 1977
- 1967
Dryland farming areas are characterized by a growing season of
- 75- 120 days
- Less than 75 days
- >120 days
- 150 -180 days
Leaf rolling reduces up to ….. % transpiration in rice
- 57
- 70
- 41
- 61
Graded bunding is suitable when rainfall is
- More than 600 mm
- Less than 400mm
- More than 400mm
- Less than 600 mm
As per thronth wait classification , semi- arid climate has a moisture index of
- -20 to – 40
- -80 to - 100
- -33 to -66
- -40 to -80
Areas receiving averages annual rainfall >1150 mm are categorized as …..
- Dryland farming
- Rainfed
- Dryland farming
- Dry farming
AICRPDA classified the climate based on
- moisture availability index
- Temperature effectiveness index
- Moisture deficit index
- None
ICRISAT uses the climate classification given by
- Thronthwaite
- Steiner
- Troll
- Papadakis
Agronomic measure to control soil erosion is mainly adopted for slope …
- 4%
- <2%
- >1.5 %
- <1.5 %
Contour bunding is mainly practiced in areas with slope ….%
- <2
- <6
- 2-10
- >16
The most suitable plant as vegetative barrier is ..
- Khus( vetiver)
- Willow
- Lavender
- All of these
First stage of water erosion
- Sheet
- Rill
- Splash
- Gully
Which mode of transportation has more contribution toward wind erosion ?
- Suspension
- Saltation
- Splash
- Surface creep
The nutrient loss due to soil erosion is to the extent of ….. Mt
- 2.4 -5.4
- 5.4 -8.4
- 8.4- 10.4
- 1.4 -3.4
The most common form of erosion by water is
- Sheet erosion
- Gully erosion
- Rill erosion
- Stream bank erosion
Which form of erosion is the main cause of crust formation ?
- Sheet
- Splash
- Gully
- Rill
The universal soil loss equation consider the soil loss due to which erosion ?
- Splash and sheet
- Sheet and rill
- Splash and rill
- Splash ,sheet and rill
The study of behaviour of soil water system in moist to semi – fluid state is ..
- Plastology
- Rheology
- Pedology
- Steology
Plate like soil structure is found in …
- Surface horizon
- B horizon
- Any part of the profile
- C horizon
The first objective of watershed management is …
- Enhancement of agriculture productivity
- Improvement of water yields
- Conservation of natural resources
- Rehabilitation of natural resources
Regur formation is dominate in
- Podzols
- Saline soils
- Black cotton soil
- Laterite soil
Erosivity index was developed by
- Wishchmeir
- Smith
- Wischmeir and smith
- Kohnke and Bertrand
In the universal soil loss equation , factor that are amenable to manipulation are ..
- R and K
- L and S
- C and P
- All of these
Central soil and water conversation research and training institute is located at ..
- Dehradun
- Hyderabad
- Chennai
- Kolkata
Which of the following institute is concentrating on wind erosion problems in India ?
- CRIDA
- ICRISAT
- ICARDA
- CAZRI
In the soil loss by wind equation , K is
- Soil cloudiness factor
- Surface roughness factor
- Surface cover factor
- Local wind factor
Which land capability classes (LCC) are suitable for regular cultivation ?
- Class I and II
- Class I ,II and III
- Class I,II ,III ,IV
- Class V and VI
The broad bed and furrow (BFF) method was developed was developed by
- CRIDA
- CIMMYT
- ICRISAT
- CAZRI
When top soils have less resistance to erosion than subsoil , shape of gully is
- Trapezoidal
- V shaped
- U shaped
- None
Gully having a depth of 6 m is classified as
- Small
- Medium
- Large
- None of these
Map colour for LCC V class
- Green
- Yellow
- Dark green
- Orange
Slope for class III LCC is
- 8 -12 %
- 3- 5 %
- 5 – 8 %
- 12 -18 %
The size of micro watershed is
- 10000 – 50000 ha
- 1000 -10000 ha
- 100 – 1000 ha
- 10 – 100 ha
….. soil is self mulching
- Red soil
- Laterite soil
- Alluvial soil
- Black Soil
Vertical mulching is mostly done in …..
- Coconut garden
- Cotton garden
- Coffee garden
- Both a and c
The direct or indirect harmful effect on the other crops through the release of toxic substance as such from thr plant …..
- Functional Allelopathy
- True allelopathy
- Both a and b
- None
The toxin may inhibit more strongly plants of the producer species itself …
- Allelopathy
- Allo – inhibition
- Auto – inhibition
- None
Which plant leaves exudate allelochemical reduce germination of mustard seeds ?
- Eucalyptus globules
- Sunflower
- Cucumber
- Walnut