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In the 19th century, a German botanist at the University of Wurzburg, Julius Sachs, dedicated his career to understanding the essential elements that plants need to survive. By examining differences between plants grown in soil and those grown in water, Sachs found that plants did not need to grow in soil but only needed the nutrients that are derived from microorganisms that live in the soil. In 1860, Sachs published the “nutrient solution” formula for growing plants in water, which set the foundation for modern day hydroponic technology.

---   Harvard University blog



  1. Abstract,Agronomy for Sustainable Development, Springer Verlag/EDP Sciences/INRA, 2017 Over the last three decades, urban agriculture has been improving food security in Cuba by providing fresh vegetables within and on the outskirts of cities and villages. However, organic fertilizers and...
  2. Peggy Bradley The first class in a series of videos on Micro-Gardens. How to grow your own food on a 100 by 50 foot lot
  3. In the 19thcentury, a German botanist at the University of Wurzburg,Julius Sachs, dedicated his career to understanding the essential elements that plants need to survive. By examining differences between plants grown in soil and those grown in water, Sachs found that plants did not need to grow...
  4. Abstract,Journal of Soil and Water Conservation, 2018 Currently hydroponic cultivation is gaining popularity all over the world because of efficient resources management and quality food production. Soil based agriculture is now facing various challenges such as urbanization, natural disaster,...
  5. Securing Water for Food: A Grand Challenge for Development helps farmers around the world grow more food using less water, enhance water storage, and improve the use of saline water and soil to produce food by ensuring that the entrepreneurs and scientists behind groundbreaking new approaches are...
  6. Syrian refugees at Zaatari camp in Jordan and scientists from the University of Sheffield are working together to create a way to grow healthy, fresh food with nothing but water and old mattress foam. These 'recycled gardens' use the mattresses in place of the soil, which solves two problems in...
  7. Abstract, Frontiers in Plant Science, 2019 Soilless cultivation represent a valid opportunity for the agricultural production sector, especially in areas characterized by severe soil degradation and limited water availability. Furthermore, this agronomic practice embodies a favorable response...
  8. Abstract, ACTA Scientific Agriculture, 2019 Horizontal agriculture is confronting with major challenges and the most importantly, decrease in per capita land availability as well as agricultural production. In addition to this, the two dimensional traditional farming is unable to meet the food...
  9. Peggy Bradley A class on using small containers in a micro-garden. This shows using recycled materials to help construct a garden at home
  10. Peggy Bradley This is Class 3 in the Micro-gardens Class. It discusses making larger garden containers out of shipping pallets and sheets of black plastic.
  11. Peggy Bradley This is the fourth class in the Micro-gardens Class. It discusses hydroponic substrates that can replace soil.
  12. Peggy Bradley Class 5 of the Micro-Gardens Class on using mineral hydroponic nutrient.
  13. Peggy Bradley This class shows the organoponics movement in Cuba where 60% of their food is grown this way. Shows how to set up one in your own yard.
  14. Peggy Bradley This is class 7 in the Micro-garden Training and concerns controlling pests with natural means.
  15. Peggy Bradley This class shows different things that can be used instead of soil to grow plants. It is part of a micro-gardens Class to grow your own food on 100 by 50 foot lot.
  16. Peggy Bradley This is the ninth and final class in the Micro-gardens Course. It discusses products other than food that can be grown with hydroponics.
  17. Access Agriculture Training Video पानी की बचत, कम से कम भूमि का उपयोग, कम शरम, तेजी से विकास, उचच उपज के अतयधिक पौषटिक चारे देना जो आपके पशुधन में सुधार करेगा। हाइडरोपोनिक चारा उतपादन में ये परमुख लाभ हैं। उपलबध भाषा Chitonga / Tonga अंगरेजी अरबी चिचेवा / नयंजा टवि तेलुगु फरेंच बांगला मराठी...
  18. Abstract,International Journal of Applied Agricultural Sciences, 2018 In urban centers today, Controlled Environment Agriculture is being proposed as a potential alternative to conventional agriculture using hydroponic methods in controlled spaces as a means to increase local food production and...
  19. Hydroponics is a system of agriculture that utilizes nutrient-laden water rather than soil for plant nourishment. The re-use of nutrient water supplies makes process-induced eutrophication (excessive plant growth due to overabundant nutrients) and general pollution of land and water unlikely,...

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