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Modeling the Interaction of Plant Architecture and Spray Techniques

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  2007 ASAE Annual Meeting  071031.(doi:10.13031/2013.22892)
Authors:   Gary J Dorr, Jim Hanan, Andrew J Hewitt, Steve Adkins, Barry N Noller
Keywords:   Sprays, Deposition, Plants, Model, Droplets

Vegetation type and structure can play an important role in determining the amount of spray that reaches a target as well as the amount of spray moving away from a treated area. In this paper droplet trajectory models and plant architecture models are combined using three-dimensional computer modeling techniques to develop a probabilistic model of turbulence-related spray transport around various plant architectures. The plant architecture model utilises a set of growth rules expressed in the Lindenmayer systems (L-systems) formalism linked to a C++ environmental program to determine the interception of spray droplets by the various vegetative elements. Algorithms have also been introduced to investigate the influence of droplet splash on spray deposition.

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