Sustainable Agriculture
ICSE · Class 12 · Environmental Science
Flashcards for Sustainable Agriculture — ICSE Class 12 Environmental Science. Quick Q&A cards covering key concepts, definitions, and formulas.
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What is sustainable agriculture?
Answer
Sustainable agriculture is farming that produces maximum agricultural yield to meet present needs without causing environmental degradation. It also protects the resource base for future generations.
Why is sustainable agriculture needed in India?
Answer
India has a large and growing population, and agriculture supports a major share of the people. Food production must increase, but land, water, and soil must also be protected from damage.
How does natural farming work as a closed system?
Answer
Natural farming avoids human-supplied inputs like fertilisers, pesticides, herbicides, tillage, weeding, and pruning. It uses local environment, ground cover, crop residues, and natural recycling of n…
Why is natural farming called do-nothing farming?
Answer
It is called do-nothing farming because the farmer avoids many external inputs and lets nature support crop growth through local resources, biodiversity, and nutrient cycling.
What is Rishi Kheti?
Answer
Rishi Kheti is the Indian name for natural farming. It uses animal wastes, herbs, and cow products such as buttermilk, curd, milk, and urine as growth promoters and pest-control aids.
How are crops classified by use?
Answer
Field crops include food grains, oilseeds, and pulses. Plantation crops include tea, coffee, cocoa, and rubber. Garden crops include vegetables, orchard crops, and ornamental plants.
How are crops classified commercially?
Answer
Food crops include rice, wheat, maize, pulses, and oil crops. Fodder crops include berseem, oat, and sorghum. Commercial crops include cotton, jute, and sugarcane.
How are crops classified by season?
Answer
Rabi crops are winter crops such as wheat, gram, and mustard. Kharif crops are rainy-season crops such as paddy and soyabean. Zaid crops are summer crops such as cucumber and melons.
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