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ancient and modern techniques involved in growing crops - advantages and disadvantages .

A SEED TELLS A FARMER’S STORY LESSON-19 CLASS---V EVS. Agriculture. ancient and modern techniques involved in growing crops - advantages and disadvantages. k.v.a.f.s.avadi. ANCIENT FARMING.

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ancient and modern techniques involved in growing crops - advantages and disadvantages .

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  1. A SEED TELLS A FARMER’S STORY LESSON-19 CLASS---V EVS Agriculture ancient and modern techniques involved in growing crops - advantages and disadvantages. k.v.a.f.s.avadi

  2. ANCIENT FARMING • Olden days farmers grew different kinds of crops-grains and vegetables-according to the season. • They made use of hand tools and animals for farming • They kept enough grains for their needs and sold the rest.

  3. TOOLS USED FOR AGRICULTURE

  4. Ploughing and sowing the seeds

  5. Transplanting of the seedlings.

  6. Weeding-removing the weeds

  7. WHEAT READY FOR HARVEST

  8. PEOPLE THRUSHING SEEDS .

  9. Modern agriculture includes using machines replacing people, using hybrid variety seeds, using artificial fertilizers using insecticides and using novel methods in agriculture . These improvements have increased the yield of the crops reducing manual work and saving the time spent. Modern methods

  10. Tractors used for ploughing

  11. Insecticide sprayingmachine

  12. Threshing machine

  13. Disadvantages of modern farming • Quality of the seed decreases due to the use of hybrid varities. • Growing same type of crops in the same field makes the soil poor in mineral contents. • Causes air pollution due to spraying of insecticides. • Food crops sprayed with insecticides cause threat to human life causing diseases.

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