منابع مشابه
Catch the drift. Assessing risk from pesticide spraying.
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Court-ordered monitoring of blood cholinesterases (ChEs) from orchard workers in Washington State is underway. In 2008, the mean red blood cell acetylcholinesterase (AChE, EC 3.1.1.7) activity was 9.65 +/- 1.11 micromoles/min/ml (n = 1,793) and the mean serum (BChE, 3.1.1.6) activity was 5.19 +/- 0.90 micromoles/min/ml (n = 1,811). Determinations were made using the Ellman assay and automated e...
متن کاملUse of a Terrestrial LIDAR Sensor for Drift Detection in Vineyard Spraying
The use of a scanning Light Detection and Ranging (LIDAR) system to characterize drift during pesticide application is described. The LIDAR system is compared with an ad hoc test bench used to quantify the amount of spray liquid moving beyond the canopy. Two sprayers were used during the field test; a conventional mist blower at two air flow rates (27,507 and 34,959 m3·h(-1)) equipped with two ...
متن کاملDrift control and buffer zones for helicopter spraying of bracken (Pteridium aquilinum)
Application of asulam herbicide by helicopter, as a primary treatment of bracken, requires appropriate buffer zones to protect non-target plants, conservation areas and water catchments from spray drift. Drift from large-scale applications of asulam were monitored at two moorland sites where helicopters were fitted with Delavan RD ‘Raindrop’ drift-reducing, hollow-cone nozzles. Drift was measur...
متن کاملFrom Drift to Control
This paper analyzes an ERP system implementation from a perspective of complex system and standardization. The examined IT structure can be characterized as a loosely coupled integration with the ERP system as a central integration facilitator. This solution allowed the company to make use of standardization benefits, filling the need of special functionality and at the same time limiting negat...
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ژورنال
عنوان ژورنال: Proceedings of the New Zealand Plant Protection Conference
سال: 1997
ISSN: 1172-0719
DOI: 10.30843/nzpp.1997.50.11359