Question

Hey Guys!

What is Hydroponics?Who Demonstrate it First?Experimental set - up of the Experiment & Significance of Hydroponics?

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Class - 11th; Biology; Mineral Nutrition!

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Answer 1

Hydroponics:

★ Hydroponics is a type of hydroculture. This is a type of growing plants but without the use of soil.

★ For growing plants they use the water solvent it contains mineral, nutrients solutions.

★ The other name of Hydroponics is tank farming or also know as aquaculture.

★ In this type of agriculture many types of vegetables and few other ingredients will be grown in huge amount.

★ Mr.William Frederick Gericke was the person dremonstrated hydroponics.

★ John Woodward is know as father of hydroponics.

1. (1) Before the harvest Cotyledons Were removed.
2. (2) stem.
3. (3) 1 newest left grown is not older than 7 days (meristem).
4. (4) Measurements marked points for left count that is one to five and other one to four.

★ Significance to hydroponics is over growing in soil is more faster then growth of a plant.

Refer the attachment for the diagram:

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Answer 2

Answer:

Hydroponics is a subset of hydroculture, which is a method of growing plants without soil, by instead using mineral nutrient solutions in a water solvent. Terrestrial plants may be grown with only their roots exposed to the nutritious liquid, or the roots may be physically supported by an inert medium such as perlite, gravel, or other substratesDespite inert media, roots can cause changes of the rhizosphere pHand root exudates can impact the rhizosphere biology

The nutrients used in hydroponic systems can come from an array of different sources, including (but not limited to) fish excrement, duck manure, purchased chemical fertilisers, or artificial nutrient solutions

Plants commonly grown hydroponically on inert media include tomatoes, peppers, cucumbers, lettuces, marijuana, and model plants like Arabidopsis thaliana.

Hydroponics offer many advantages, one of them being a decrease in water usage for agriculture. To grow 1 kilogram of tomatoes in intensive farming requires 400 liters of water, in hydroponics 70 liters of water, and only 20 liters of water for aeroponics. Because of the lack of water needed to grow produce, it would be possible in the future for harsh environments which don’t have much accessible water, to be able to grow their own food.