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Questions and Answers
What is a key principle of sustainable agriculture?
What is a key principle of sustainable agriculture?
- Focussing on large-scale industrial farming
- Maximizing the use of synthetic fertilizers
- Prioritizing high-yielding crop varieties
- Minimizing dependence on synthetic fertilizers, pesticides, and antibiotics (correct)
What system of cultivation is often used in sustainable agriculture?
What system of cultivation is often used in sustainable agriculture?
- Intensive irrigation and fertilization
- Crop rotation, minimal tillage, and use of manures (correct)
- Monoculture with heavy machinery
- Deforestation and land conversion
What type of agriculture is characterized by low external input and minimal environmental impact?
What type of agriculture is characterized by low external input and minimal environmental impact?
- Low external input sustainable agriculture (LEISA) or low input sustainable agriculture (LISA) (correct)
- Green revolution
- Organic farming
- Conventional agriculture
What is an important aspect of sustainable agriculture?
What is an important aspect of sustainable agriculture?
What is a key feature of sustainable agriculture?
What is a key feature of sustainable agriculture?
What is the ideal temperature range for the vegetative growth of onions?
What is the ideal temperature range for the vegetative growth of onions?
What is the main reason for the smell in onions?
What is the main reason for the smell in onions?
Which varieties of onions are suitable for dehydration and making onion paste?
Which varieties of onions are suitable for dehydration and making onion paste?
What is the edible part of cauliflower?
What is the edible part of cauliflower?
What is the best time to transplant rabi onions?
What is the best time to transplant rabi onions?
In which year was cauliflower introduced in India?
In which year was cauliflower introduced in India?
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Study Notes
Sustainable Agriculture
- Aim to minimize dependence on synthetic fertilizers, pesticides, and antibiotics.
- Involves a system of cultivation that utilizes:
- Manures
- Crop rotation
- Minimal tillage
- Based on awareness of agroecological concepts, which prioritize:
- Conservation of natural resources
- Minimization of waste and environmental impact
- Characterized by a stable ecology, ensuring long-term sustainability.
Types of Sustainable Agriculture
- Includes low external input sustainable agriculture (LEISA)
- Also known as low input sustainable agriculture (LISA)
Onion Cultivation
- The hollow heart in onions can be avoided by closer spacing of plants and avoiding excessive use of fertilizers.
- Onion is the second most important vegetable crop in India, next to Potato.
- The ideal temperature for onion's vegetative growth is 12.8-23 °C.
- Onions are propagated through bulbs.
- Onion bulb formation is more sensitive to photoperiods.
- The smell in onions occurs due to the presence of Sulphur.
- Important varieties of onions include Agrifound Dark Red, Agrifound Light Red, Arka Bindu, and Arka Pragati.
- The best time for transplanting kharif onions is August, and for rabi onions, it is from December end.
- Delayed harvesting may result in splitting and bolting.
Onion Uses
- Agrifound White and Phule Safed are suitable for dehydration and making onion paste.
- Agrifound Rose and Arka Bindu are popular for making pickles in the southern states of India.
Cauliflower and Cabbage
- Cauliflower is the most popular vegetable among cole crops.
- Cauliflower and Cabbage belong to the family Cruciferae.
- The origin of Cauliflower and Cabbage is in the Mediterranean region.
- Cauliflower was introduced in India in 1822 by Dr. Jenson from London.
- The edible part of Cauliflower is the curd, and its color is generally white.
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