Automated fertilization via irrigation network | Agricultural Technology - Akhdar
Designing a fertilizer injection program that balances plant needs, water quality, and growth stage, while monitoring EC and pH.
The idea and why it matters
Fertilization via irrigation distributes small, frequent doses near the roots, but it requires water of known composition and compatibility between fertilizers.
A single reading is insufficient; direction and measurement at the source and drainage are more beneficial.
practical application
Analyze the water and soil, prepare separate concentrate tanks for incompatible materials, and calibrate the injection pump.
Start with a low concentration and monitor drainage, flushing the lines with clean water at the end of the cycle.
What should be measured?
Monitor the EC and pH at the reservoir and the end of the line, pressure uniformity, plant growth, and nutrient concentrations in periodic analyses.
Calculate the actual nutrient quantity, not just the weight of the commercial fertilizer.
Mistakes and risks to avoid
Mixing calcium with sulfates or phosphates at high concentrations causes precipitation.
Overdosing, an improperly calibrated injector, or the absence of a backflow preventer can harm the crop and the water source.
Actionable summary
Design a fertilizer injection program that balances plant needs, water quality, and growth stage, while monitoring EC and pH.
Start small, establish a baseline, and then expand the solution after measuring results and reviewing costs and risks.
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