16 Questions
What is a pre-requisite for the intensification of cropping and achieving yield stability?
High yielding varieties (HYV)
Which of the following is NOT a characteristic of crops needed for intensification of cropping as per the text?
Immobilization of nutrients
To achieve yield stability, what should be included in the crop system according to the text?
Vegetables and legumes in the crop system
What is a key factor to consider to make the best use of space and time with minimum competition?
Including crops that benefit the succeeding crop
Why should crops in an intensification system not have allelopathic effects as per the text?
Allelopathic effects can harm neighboring plants
What is the primary purpose of fish culture in ponds as mentioned in the text?
Cultivating fish species for food production
How do intensive pond systems differ from extensive pond systems?
Extensive systems have higher fish densities for increased biomass productivity
What historical practice laid the foundation for modern fish farming in controlled pond environments?
Using natural pools with no human intervention
Which country led global aquaculture production in 2018 according to the text?
China
How does aquaculture contribute to global food supply based on the text?
It plays a crucial role in meeting increasing protein demands globally
Why do extensive pond systems prioritize maintaining high water quality with lower fish densities?
To prevent overcrowding that may harm aquatic life and ecosystem balance
What factors influence the choice of fish species for culture in ponds?
Temperature tolerance, growth rate, feeding habits, and market demand
How can good water quality be maintained in ponds for promoting fish growth?
Periodically draining or partially draining ponds to remove accumulated sediment
What role does fish culture in ponds play in inland waters and wetlands management?
Contributes to food production, stock enhancement, and biodiversity conservation
Why is sustainable fish farming important as the world population grows?
To ensure a steady food source and conserve wild fish stocks
What is the significance of periodically draining ponds in fish culture?
To remove accumulated sediment and maintain a healthy environment for fish growth
Test your knowledge on the factors influencing intensification of cropping and achieving yield stability, including choice of crops and varieties, use of high-yield and disease-resistant varieties, fertilizer responsiveness, and sustainability practices like adding decomposable residues and incorporating legumes and vegetables into crop systems.
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