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United States Department of Agriculture

Agricultural Research Service

Development of a user-friendly computer program to predict drift distances of spray droplets
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Large amounts of pesticides are applied worldwide on a wide variety of crops. While pesticides are essential for high quality, abundant food, they pose risks if applied improperly.  Of particular concern is the potential for spray droplets to drift to areas other than the intended targets. 

In order to assist applicators choose the optimum spray conditions to minimize spray drift, Heping Zhuand Robert Foxof the USDA Agricultural Research Service and Erdal Ozkanof the Ohio State University have developed DRIFTSIM--a user-friendly computer program capable of predicting drift distances of spray droplets under a wide variety of conditions. Photo Courtesy Ohio State University
Unlike other computer simulation software, DRIFTSIM requires no special skills to operate and computer system requirements are minimal:  Pentium processor, CD drive, MS-Windows version 3.1 or later, 8 Mb of memory, 30 Mb free hard drive space and a mouse.


For more information see:
DRIFTSIM- Predicting Drift Distances of Spray Droplets OSU Extension Bulletin
A Windows Version Of Driftsim For Estimating Drift Distances Of Droplets Publication
An Application Computer Program (Driftsim) To Predict Drift Distances Of Water Droplets From Field Sprayers. Publication
DRIFTSIM Computer Program News Links
DRIFTSIM, A User-Friendly Computer Program to Predict Drift Distances of Water Droplets Poster

To obtain the software go to:
Software download

ARS Contact:
Heping Zhu

Last Modified: 6/2/2009