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Agronomy-7

Q.1
An appropriate combination of different farm enterprises and the means available to the farmers to raise them successfully is called_______.

Cropping system
Farming system
Cropping pattern


Q.2
A system in which land is managed for the concurrent production of agricultural and forest crops and for rearing of domesticated animals.
Agro-silvi-pastoral system
Agri-horti-silvi-pastoral system
Horti-silvi-pastoral system


Q.3
A farming system in which arable crops are grown with trees or shrubs established mainly to hasten soil fertility restoration and enhance soil productivity is called__________.
Lay farming
Alley cropping
Horti-silvi-pastoral system


Q.4
ndividual crop species which are part of multiple cropping system are called_________.
Component crops
Companion crops
Multiple crops


Q.5
Example of simultaneous poly culture is____________.
Mixed cropping
Relay cropping
Both


Q.6
Agro-silvi-pastoral system is a combination of agrisilviculture and______.
Horti-pastoral system
Agri-horti system
Silvi-pastoral system

Q.7
The spread index of a crop is calculated by dividing__________.

Average area of state / average area of country x 100
Area of state / area of country x 100
Yield of state / yield of country x 100


Q.8
Land equivalent ratio is_______.
Cropping patterns used on a farm
Cultivation of crops in a farm
The sum of the fractions of the yield of the intercrops, relative to their sole crop yields


Q.9
The basic principle of taking crop rotation is___________.
To maintain the fertility status of soil
To take higher returns per unit area of the soil
To keep the weeds under control


Q.10
Cropping intensity means_______.
% ratio of gross cropped area to net cropped area
% ratio of net cropped area to gross cropped area
% ratio of number of crops in rotation to period of one rotation


Q.11
Any direct or indirect harmful effect that one plant has on another through release of chemical substances in the root environment is called_____.
Annidation
Toxic effect
Allelopathy


Q.12
The ratio of number of hectare days required in monoculture to the number of hectare days used in intercropping to produce identical quantities of each of the component crop is called______.
NAR
ATER
CGR


Q.13
The unit of crop produced per unit of nutrient added is calledThe unit of crop produced per unit of nutrient added is called________.
Nutrient use efficiency
Agronomic efficiency
Nutrient uptake


Q.14
A short duration crop in between two main crops is termed as_________.
Cash crop
Component crop
Catch crop


Q.15
Growing four crops sequentially in a year in the same field is_______.
Multiple cropping
Quadruple cropping
Sequential cropping


Q.16
Intensification of cropping in time dimensions takes place in_______.
Multiple cropping
Double cropping
Sequential cropping


Q.17
The recurrent succession of crops on the same piece of land either in a year or over a period of time is called________.
Crop rotation
Cropping pattern
Cropping system


Q.18
In farming system main objective is________.
Higher profitability
Ecological balance
Both


Q.19
The proportion of area under different crops at a point of time in a unit area is called______.
Cropping pattern
Cropping system
Both


Q.20
In low rainfall area ( 750 mm / annum) ____________ is practiced.
Multiplecropping
Doublecropping
Intercropping


Q.21
Annidation in time takes place in intercropping of__________.
Sorghum with redgram
Groundnut with redgram
Both


Q.22
In multistoried cropping the principle of ____________ is used.
Annidation in space
Annidation in time
Allelopathy


Q.23
Conversion of yield of different intercrops into equivalent yield of one crop on monetary basis is called___________.
RYT
CEY
LER


Q.24
RYT of < 1 indicates_____.
Yield reduction
Yield enhancement
No change


Q.25
The sum of area under different crops and harvested in a single year divided by total cultivated area is called__________.
CEY
MCI
LER

Number of score out of 25 = Score in percentage =


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