https://www.khanacademy.org/science/revision-term-1-od-grade-9-life-science/x26da6cb4aecf5718:untitled-4/x26da6cb4aecf5718:improvement-in-food-sources/v/crop-improving-strategies 2025-07-21T11:46:54.685328771Z Crop Improving Strategies Discover how scientists and farmers boost crop production using smart strategies like plant breeding, gene revolution, and use of fertilizers and manures. Learn the difference between chemical and organic fertilizers, and explore how organic farming and biofertilizers help protect our soil and environment. Shankar Nair video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Crop Improving Strategies Discover how scientists and farmers boost crop production using smart strategies like plant breeding, gene revolution, and use of fertilizers and manures. Learn the difference between chemical and organic fertilizers, and explore how organic farming and biofertilizers help protect our soil and environment. https://cdn.kastatic.org/ka-youtube-converted/kApK4AEGOYg.mp4/kApK4AEGOYg.mp4 236 Improvement in food sources https://www.khanacademy.org/science/revision-term-1-od-grade-9-life-science/x26da6cb4aecf5718:untitled-4/x26da6cb4aecf5718:improvement-in-food-sources/v/animal-husbandry-fish-and-bee 2025-07-14T09:41:09.9920098Z Animal Husbandry Fish and Bee Dive into the fascinating world of fish farming and beekeeping—two vital practices in animal husbandry. Learn how freshwater and marine fish are farmed using methods like composite pisciculture and mariculture. Shankar Nair video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Animal Husbandry Fish and Bee Dive into the fascinating world of fish farming and beekeeping—two vital practices in animal husbandry. Learn how freshwater and marine fish are farmed using methods like composite pisciculture and mariculture. https://cdn.kastatic.org/ka-youtube-converted/ybuFe3gUtTw.mp4/ybuFe3gUtTw.mp4 240 Improvement in food sources https://www.khanacademy.org/science/revision-term-1-od-grade-9-life-science/x26da6cb4aecf5718:untitled-4/x26da6cb4aecf5718:improvement-in-food-sources/v/animal-husbandry-cattle-and-poultry 2025-07-14T09:41:09.9920098Z Animal Husbandry Cattle and Poultry In this video, explore the world of cattle farming and poultry—two essential branches of animal husbandry that feed millions. Learn how proper housing, balanced feed, and hygiene impact milk production in cows and buffaloes. Shankar Nair video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Animal Husbandry Cattle and Poultry In this video, explore the world of cattle farming and poultry—two essential branches of animal husbandry that feed millions. Learn how proper housing, balanced feed, and hygiene impact milk production in cows and buffaloes. https://cdn.kastatic.org/ka-youtube-converted/HiQrPsFdoVQ.mp4/HiQrPsFdoVQ.mp4 283 Improvement in food sources https://www.khanacademy.org/science/revision-term-1-od-grade-9-life-science/x26da6cb4aecf5718:untitled-4/x26da6cb4aecf5718:improvement-in-food-sources/e/improvement-in-crop-yields 2026-04-08T00:16:02.937952483Z Improvement in Crop Yields Lets answer some questions Shankar R exercise https://www.khanacademy.org/science/revision-term-1-od-grade-9-life-science/x26da6cb4aecf5718:untitled-4/x26da6cb4aecf5718:improvement-in-food-sources/e/fish-farming-beekeeping 2026-04-08T00:16:02.937952483Z Fish Farming & Beekeeping Lets answer some questions! Shankar R exercise