Plants grow best in pH between 5.5 and 6.5. Adjust water pH using pH up/down solutions. Too high or low pH affects nutrient absorption, so maintaining balanced pH is essential in hydroponics. Class 8 Vocational Education Textbook Work with Life Forms ...
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Mix cow dung, jaggery and water to prepare jeevamrit, an organic liquid manure. Let it ferment for 4–5 days. Strain it and use the diluted liquid as nutrient-rich feed in hydroponic systems. Class 8 Vocational Education Textbook Work with Life Forms ...
In the wick method, a cloth wick delivers nutrients to the plant. DWC keeps roots in oxygenated water. NFT circulates nutrient solution in a thin film, keeping roots moist but not submerged fully. Class 8 Vocational Education Chapter 1 Hydroponics: Growing ...
Urban farming is growing food in city areas like rooftops, balconies and vacant plots. It includes hydroponics, container gardening and vertical farming. It promotes fresh, local food and sustainable living in cities. Class 8 Vocational Education Chapter 1 Hydroponics: Growing Plants ...
Related jobs include hydroponic farmer, agricultural technician, nursery worker, botanist or plant scientist. These roles involve plant care, research, system design and improving crop yields using modern farming technologies and scientific methods. Class 8 Vocational Education Kaushal Bodh Solutions Class 8 Vocational ...