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Improvement in Food Resources- CBSE Class 9 Science Video Lecture (Hindi)




Topics covered
Introduction; Various Revolution held in India; Types of Crops; Crop Season; Crop Variety Improvement- Good and Healthy Seeds, Hybridisation, Genetic Improvement, Properties of Improved Seeds;Crop Production Improvement- Nutrient Management- Manure, Fertilizers; Irrigation-Wells, Canals, River Lift System, Tank, Rain Water Harvesting; Crop Patterns- Mixed Cropping, Inter Cropping, Crop Rotation;Crop Protection Improvement- Pest Control-Weeds, Insects, Pathogens, Protection from Pests; Storage of Grains; Organic Farming;Animal Husbandry- Cattle Farming- Purpose of Cattle Farming, Types of Cattle, Lactation Period, Care of Cattle, Diseases; Poultry Farming- Management Practices in Farms, Difference between Broilers and layers; Fish Production- Finned & Unfinned Fish Production, Capture and Culture Fishing, Marine and Inland Fishing, Composite Fish Culture; Bee- Keeping; Some Indian Varieties of Bees;

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