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 ...
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I faced trouble finding materials, balancing pH and maintaining water level. I used old PET bottles, asked help for pH testing and marked water levels with tape to manage these issues effectively. Class 8 Vocational Education Chapter 1 Hydroponics: Growing Plants ...