Benefits of Mixed and Inter-cropping in Cropping Patterns

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What is the term used for the duration of sunlight that affects the growth and flowering of plants?

Hybridisation

Thermoperiods

Genetically modified crops

Photoperiods (correct)

How is hybridisation defined in the context of crop improvement?

Introducing disease resistance in crops

Introduction of a gene to enhance crop characteristics

Crossing between similar plants within the same genus

Crossing between different species of plants within the same genus (correct)

Which method involves introducing a gene into crops to confer specific desirable traits?

Genetic modification (correct)

Hybridisation

Interspecific crossing

Photosynthesis

What is essential for new crop varieties to be accepted in different areas according to the text?

Consistent high yields under varying conditions Signup and view all the answers

In which season are some crops grown that are termed as requiring improvement in yield?

Rainy season Signup and view all the answers

What is a key factor considered when selecting crop varieties or strains for breeding?

Response to water availability Signup and view all the answers

What is the main purpose of varietal improvement in crop production?

To achieve higher yield, good quality, and desirable agronomic characteristics Signup and view all the answers

In crop production, what is the primary purpose of intercropping?

To improve yield and diversify production simultaneously Signup and view all the answers

Why is crop rotation considered beneficial in agriculture?

To improve soil fertility and reduce disease incidence Signup and view all the answers

What is the primary purpose of using manure and fertilizers in fields?

To provide essential nutrients for plant growth Signup and view all the answers

How does genetic manipulation contribute to agricultural practices?

By enhancing biotic and abiotic resistance Signup and view all the answers

Which practice ensures that fish production can be increased both in marine and inland ecosystems?

Employing composite fish culture system Signup and view all the answers

What is the significance of uniform maturity in crop harvesting?

Decreases crop losses during harvesting Signup and view all the answers

Why is tallness and profuse branching considered desirable in fodder crops?

To provide more forage material Signup and view all the answers

In which type of crops is dwarfness desired and why?

Cereals, to reduce nutrient consumption Signup and view all the answers

How does the financial condition of farmers impact their choice of cropping system and production practices?

It influences the selection of crop varieties Signup and view all the answers

Why is developing varieties for wider adaptability beneficial in stabilizing crop production?

Helps in stabilizing crop production under different environmental conditions Signup and view all the answers

How do biotic and abiotic factors affect crop production differently?

Biotic factors involve pests and diseases while abiotic factors relate to soil quality Signup and view all the answers

What is the primary purpose of using check-dams in agriculture?

To prevent soil erosion and retain rainwater Signup and view all the answers

Which of the following statements about mixed cropping is true?

It maximizes the utilization of available nutrients Signup and view all the answers

In intercropping, what is the primary reason for alternating rows of different crops?

To ensure maximum utilization of nutrients and pest control Signup and view all the answers

Which factor primarily determines the choice of crops in a crop rotation system?

The availability of moisture and irrigation facilities Signup and view all the answers

What is the main advantage of intercropping over monocropping (growing a single crop)?

Improved soil fertility and nutrient utilization Signup and view all the answers

Which cropping system is most effective in reducing the risk of complete crop failure?

Mixed cropping Signup and view all the answers

Which of the following statements accurately describes the effects of weeds on crops?

Weeds compete with crops for resources like water, nutrients, and light, reducing crop yields. Signup and view all the answers

Which of the following is NOT a method by which insect pests can harm crops?

Introducing beneficial bacteria and fungi to the soil, promoting plant growth. Signup and view all the answers

Which of the following is a desirable agronomic characteristic for crop production?

Ability to produce multiple harvests within a single growing season. Signup and view all the answers

Which of the following is a common method for controlling weeds, insect pests, and diseases in crop production?

Using chemical pesticides, including herbicides, insecticides, and fungicides. Signup and view all the answers

Which of the following statements accurately describes nutrient management in crop production?

Proper nutrient management involves applying fertilizers and managing soil health. Signup and view all the answers