Agriculture: Cropping System and Pattern

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What is the primary purpose of a crop?

To conserve natural resources

To maintain ecosystem balance

To obtain scientific knowledge

For economic gain or subsistence livelihood (correct)

What is the main process involved in cropping?

Fermentation

Photosynthesis (correct)

Decomposition

Respiration

What is the primary difference between cropping and gardening?

Level of profit making

This information is not provided in the text (correct)

Type of crops grown

Scale of operation

What are the three aspects of cropping?

Art, Science, and Business Signup and view all the answers

What is a cropping system?

An art of an agroecosystem Signup and view all the answers

What is the ultimate goal of a cropping system?

To obtain a specific output or result Signup and view all the answers

What is the primary goal of sequential cropping?

To maximize income Signup and view all the answers

What type of cropping involves growing two or more crops in sequence on the same piece of land in a year?

Double cropping Signup and view all the answers

What is the primary purpose of intercropping erect growing crops with cover crops like pulses?

To control soil erosion and weed growth Signup and view all the answers

What is the main characteristic of additive series in intercropping?

The population of the base crop remains the same as the sole crop population Signup and view all the answers

What is a traditional practice of sowing seeds of some rabi crops before the harvest of rice?

Paira or utera cropping Signup and view all the answers

What type of cropping involves growing two or more crops simultaneously during the part of the life cycle of each?

Relay cropping Signup and view all the answers

What is the benefit of sowing crops with differential rooting depths in intercropping?

To minimize competition for nutrients and water Signup and view all the answers

What is the major constraint for sequential cropping?

Availability of adequate resources, especially water Signup and view all the answers

What is the term for one crop variety grown alone in pure stand at normal density?

Sole crop Signup and view all the answers

What should be avoided when selecting component crops for intercropping?

Crops with similar pest and disease Signup and view all the answers

What is an example of quadruple cropping?

Maize-toria-wheat-green gram Signup and view all the answers

What is the type of intercropping where the population of one component crop is proportionally replaced by another?

Replacement series Signup and view all the answers

What is the primary factor that determines the cropping system adopted in a farm or region?

Available resources Signup and view all the answers

What is the characteristic of rainfed cropping?

Depends on rainfall less than 750 mm/annum Signup and view all the answers

What is the benefit of intensive cropping?

Maximizes land use Signup and view all the answers

What is the characteristic of an efficient cropping zone?

Relative yield index is 200% Signup and view all the answers

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 Signup and view all the answers

What is the primary factor that determines the choice of crop in a region?

Available labor Signup and view all the answers

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 Signup and view all the answers

What is the main index of advantage used for evaluating intercropping systems?

Land Equivalent Ratio Signup and view all the answers

What does LER > 1 indicate in an intercropping system?

An overall biological advantage Signup and view all the answers

What is the formula to calculate La in the Land Equivalent Ratio (LER)?

Yab / Yaa Signup and view all the answers

What is the purpose of converting yields into equivalent yields in Crop Equivalent Yield (CEY)?

To compare yields of different crops Signup and view all the answers

What is the formula to calculate the Crop Equivalent Yield (CEY) of species 'a'?

Ya.Pa / Pa Signup and view all the answers