30 Questions
What is the primary purpose of a crop?
For economic gain or subsistence livelihood
What is the main process involved in cropping?
Photosynthesis
What is the primary difference between cropping and gardening?
This information is not provided in the text
What are the three aspects of cropping?
Art, Science, and Business
What is a cropping system?
An art of an agroecosystem
What is the ultimate goal of a cropping system?
To obtain a specific output or result
What is the primary goal of sequential cropping?
To maximize income
What type of cropping involves growing two or more crops in sequence on the same piece of land in a year?
Double cropping
What is the primary purpose of intercropping erect growing crops with cover crops like pulses?
To control soil erosion and weed growth
What is the main characteristic of additive series in intercropping?
The population of the base crop remains the same as the sole crop population
What is a traditional practice of sowing seeds of some rabi crops before the harvest of rice?
Paira or utera cropping
What type of cropping involves growing two or more crops simultaneously during the part of the life cycle of each?
Relay cropping
What is the benefit of sowing crops with differential rooting depths in intercropping?
To minimize competition for nutrients and water
What is the major constraint for sequential cropping?
Availability of adequate resources, especially water
What is the term for one crop variety grown alone in pure stand at normal density?
Sole crop
What should be avoided when selecting component crops for intercropping?
Crops with similar pest and disease
What is an example of quadruple cropping?
Maize-toria-wheat-green gram
What is the type of intercropping where the population of one component crop is proportionally replaced by another?
Replacement series
What is the primary factor that determines the cropping system adopted in a farm or region?
Available resources
What is the characteristic of rainfed cropping?
Depends on rainfall less than 750 mm/annum
What is the benefit of intensive cropping?
Maximizes land use
What is the characteristic of an efficient cropping zone?
Relative yield index is 200%
What is the calculation for the relative yield index?
Mean yield for a crop in a region divided by the mean of all India yield of the same crop multiplied by 100
What is the primary factor that determines the choice of crop in a region?
Available labor
What is the Relative Spread Index of a crop?
The area of the crop expressed as percentage of total cultivated area in the zone divided by the area of the crop expressed as percentage of the total cultivated area in the country multiplied by 100
What is the main index of advantage used for evaluating intercropping systems?
Land Equivalent Ratio
What does LER > 1 indicate in an intercropping system?
An overall biological advantage
What is the formula to calculate La in the Land Equivalent Ratio (LER)?
Yab / Yaa
What is the purpose of converting yields into equivalent yields in Crop Equivalent Yield (CEY)?
To compare yields of different crops
What is the formula to calculate the Crop Equivalent Yield (CEY) of species 'a'?
Ya.Pa / Pa
This quiz covers the basics of cropping systems, including the definition of a crop and its significance in agriculture. It explores the concept of cropping patterns and their importance in economic activity.
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