| Consider the following statements about hydroponics. |
| 1. It is the method of growing plants without soil. |
| 2. Hydroponics is used in commercial greenhouse vegetable production around the world. |
| 3. Almost any terrestrial plant will grow with hydroponics. |
| Which of the statements given above are correct? |
A) 1 and 2
B) 2 and 3
C) 1 and 3
D) All of these
Correct Answer: D
Solution :
[d] Hydroponics is defined as growing plants without soil. This production system may use a wide variety of organic and inorganic materials. The nutrient solution, rather than the media in which the plants are growing, always supplies most of the plant nutrient requirements. This method of growing has also been referred to as nutrient-solution culture, soilless culture, water culture, gravel culture and nutriculture. Today, hydroponics is used in commercial greenhouse vegetable production around the world, almost any terrestrial plant will grow with hydroponics.
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