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What is Hydroponics? Video Lecture | Biology for Grade 11

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FAQs on What is Hydroponics? Video Lecture - Biology for Grade 11

1. What is hydroponics?
Ans. Hydroponics is a method of growing plants without using soil. Instead, plants are grown in a nutrient-rich solution that provides all the necessary elements for their growth and development.
2. How does hydroponics work?
Ans. In hydroponics, plants are typically grown in a controlled environment, such as a greenhouse. The roots of the plants are submerged or periodically sprayed with a nutrient solution that contains all the necessary minerals and elements required for their growth. This allows the plants to absorb nutrients more efficiently, resulting in faster growth and higher yields.
3. What are the advantages of hydroponics?
Ans. Hydroponics offers several advantages over traditional soil-based farming. Firstly, it allows for precise control over the growing conditions, including temperature, humidity, and nutrient levels, which can result in optimal growth and higher crop yields. Additionally, hydroponics uses significantly less water compared to traditional farming methods and can be practiced in areas with limited access to fertile soil. Lastly, hydroponics reduces the risk of soil-borne diseases and pests, leading to healthier and more disease-resistant plants.
4. What types of plants can be grown using hydroponics?
Ans. Virtually any type of plant can be grown using hydroponics. From leafy greens, herbs, and vegetables to fruits and even flowers, hydroponics provides a suitable environment for a wide range of plant species. However, certain plants may require specific adjustments to the nutrient solution and growing conditions to thrive in a hydroponic system.
5. Is hydroponics a sustainable farming method?
Ans. Yes, hydroponics is considered a sustainable farming method. It requires significantly less water compared to traditional soil-based farming, reducing water usage and conserving this precious resource. Additionally, hydroponics eliminates the need for pesticides and herbicides, reducing chemical usage and minimizing environmental pollution. The controlled environment in hydroponics also allows for year-round cultivation, reducing the need for long-distance transportation of produce and supporting local food production.
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