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Nare, Brajesh
- On-The-Go Position Sensing and Controller Predicated Contact-Type Weed Eradicator
Abstract Views :255 |
PDF Views:88
Authors
Affiliations
1 Biological Systems Engineering, Washington State University, Pullman, WA 99164, US
2 Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur 721 302, IN
3 ICAR-Central Institute of Agricultural Engineering, Bhopal 462 038, IN
4 CAR-Central Potato Research Institute, Shimla 171 001, IN
1 Biological Systems Engineering, Washington State University, Pullman, WA 99164, US
2 Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur 721 302, IN
3 ICAR-Central Institute of Agricultural Engineering, Bhopal 462 038, IN
4 CAR-Central Potato Research Institute, Shimla 171 001, IN
Source
Current Science, Vol 114, No 07 (2018), Pagination: 1485-1494Abstract
This article presents a robust contact-type weed eradicator based on position sensing, digital image processing and microcontroller for weed control in row crops. The imaging system determines the weed density between the crop rows using an image analyser developed in Visual Studio Open computer vision platform for use under varying illumination levels. Graphic user interface was developed for parametric adjustments of the image analyser. The image analyser conducts image analysis after image acquisition and the data is sent via computer serial to microcontroller for pulse width modulation controlled chemical release. Solenoid valves are employed for liquid release on sponge rollers. The contact-type technique overcomes losses due to chemical drift and percolation resulting in an efficient application. The machine locomotion sensing is done through an inductive type proximity switch. The developed system was calibrated in laboratory, followed by extensive field tests. The average weeding efficiency reported was 90.30% with lowest plant damage of 5.74% and 7.91% and high yield coefficients of 26.15 g/plant and 581.74 g/plant in two selected crops of groundnut and maize plantation. The technology saved about 79.50% of herbicide marking it as a robust and eco-friendly technology.Keywords
Contact Application, Graphic User Interface, Image Analyser, Locomotion Sensing, Microcontroller, Weed Density.Full Text
References
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Abstract Views :331 |
PDF Views:96
Authors
Affiliations
1 Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur 721 302, IN
2 Biological Systems Engineering, Washington State University, Pullwan, WA-99164, US
3 ICAR-Central Potato Research Institute, Shimla 171 001, IN
4 ICAR-Central Institute of Agricultural Engineering, Bhopal 462 038, IN
1 Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur 721 302, IN
2 Biological Systems Engineering, Washington State University, Pullwan, WA-99164, US
3 ICAR-Central Potato Research Institute, Shimla 171 001, IN
4 ICAR-Central Institute of Agricultural Engineering, Bhopal 462 038, IN
Source
Current Science, Vol 115, No 6 (2018), Pagination: 1115-1123Abstract
Wastage of chemical inputs and environmental degradation have been a serious issues with conventional methods of pesticide application in agricultural and horticultural engenderment, resulting in fruit poisoning. A tractor-operated low-cost, ultrasonic sensor predicated selective pesticide sprayer was developed and tested for efficient spraying on the plant canopy and to abstain from spraying in canopy absentia. Sensing technology was interfaced with programmed Atmega328P for automatic spray control through pump, solenoid valves and nozzles. The sensing signals instigated the microcontroller system for desired spraying. The sprayer was evaluated with two different types of nozzles for optimal input resulting in best spray coverage and impact fruit infection. Water sensitive papers were used for estimation of spray characteristics. The turbo nozzle sprayer resulted in 47.41% of spray coverage, 171 drops/cm2 with 26% of pesticide savings and considerably prevented fruit infection up to 95.64%. This proved to be much better than hollow cone nozzle spraying. The technology was provisioned for boom height and nozzle angle adjustment as per canopy geometry. The ultrasonic sensor sprayer was designed for low cost and precise pesticide spraying especially for marginal farmers, thereby reducing both costs and environmental pollution by plant protection products.Keywords
Agricultural Engenderment, Efficient Spraying, Environment Pollution, Fruit Infection, Ultrasonic Sensing Technology.Full Text
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