1 / 13

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

Explore the evolution of farming techniques from ancient to modern times, including the tools used, crop varieties grown, and methods employed. Discover the advantages and disadvantages of ancient and modern agriculture practices, highlighting the impact on crop yields, labor efficiency, and environmental factors. Learn about the transition from manual labor with hand tools to mechanized farming with machines, hybrid seeds, fertilizers, and pesticides. Understand the challenges faced by modern farming such as decreased seed quality, soil degradation, air pollution, and health risks associated with chemical use.

yoshikoj
Download Presentation

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

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  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.

More Related