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Design, development and performance evaluation of henna harvester.

Shital Sonawane¹, Abhay Kumar Mehta², Rohit Dilip Nalawade³

¹Govt. College of Agricultural Engineering and Technology, CSM Krishi Vidyan Sankul, Kashti, Malegaon, 423105, India.

Scientific Reports

|April 21, 2025

Summary

A new mechanized henna harvester significantly improves harvesting efficiency and reduces costs. This innovation offers substantial economic benefits for farmers by overcoming the challenges of manual henna harvesting.

Keywords:

Circular saw blades Harvesting efficiency Henna Mechanical harvester Shattering loss

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Area of Science:

Agricultural Engineering
Mechanization
Crop Harvesting Technology

Background:

Manual henna harvesting is labor-intensive, costly, and poses health risks.
There is a need for mechanization to improve efficiency and reduce farmer burden.

Purpose of the Study:

To design, develop, and evaluate a mechanized henna harvester.
To address the challenges of traditional manual harvesting methods.

Main Methods:

A prototype harvester with circular saw blades was designed.
Field evaluations assessed harvesting efficiency, shattering losses, and field capacity.
Performance was analyzed at varying forward and blade speeds.

Main Results:

Optimal performance achieved at 1200 rpm blade speed and 2.1 km/h forward speed.
Harvesting efficiency reached 86.32% with minimal shattering losses (2.14%).
Field capacity was 0.22 ha/h, with operational costs reduced by 80% (277 Rs/ha).

Conclusions:

The mechanized henna harvester is a viable solution for efficient harvesting.
It significantly reduces labor challenges and operational costs for henna farmers.
The technology offers substantial economic benefits, improving livelihoods in the henna industry.