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Question
Carefully observe the following figure
- Name the technique shown in the figure and the scientist who demonstrated this technique for the first time.
- Name atleast three plants for which this technique can be employed for their commercial production.
- What is the significance of aerating tube and feeding funnel in this setup?
Short Note
Solution
- Hydroponics, Julius von Sachs.
- Tomato, seedless cucumber, lettuce.
- Aerating tube ensures adequate aeration of the root for optimum growth of the plant.
The funnel is used to release water and nutrients into the container with nutrient solution.
This solution needs to be replaced every day or two for maximum growth.
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Methods to Study the Mineral Requirements of Plants
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