کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9473012 | 1321419 | 2005 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
An air-assisted spinning disc nozzle and its performance on spray deposition and reduction of drift potential
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موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم کشاورزی و بیولوژیک
علوم زراعت و اصلاح نباتات
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
An air-assisted system was used with a Micromax III speed spinning disc nozzle and assess its effects on spray penetration, deposition and reduction of drift in an artificial canopy representing cotton plants. The effects of air-assist velocities (10, 15, 25 m sâ1) to carry droplets and application volumes (20 and 40 l haâ1) and two droplet sizes obtained by changing disc speed on spray deposition and drift potential were investigated with different cross-wind velocities (1.5, 2.5, 3.5 m sâ1) in a wind tunnel. Deposition data produced by the spinning disc nozzle with and without air assistance were compared using a fluorometric method. Spray pattern displacement (SPD) was also determined using a spray patternator in the wind tunnel. Wind velocity, air assistance, application volume, droplet diameter and their interactions significantly affected deposition on plants. The highest deposit on plants was obtained with the combination of no cross-wind, spray volume of 20 l haâ1, an air-assist velocity of 25 m sâ1 and droplet diameter of 210 μm. Downwind drift was partly controlled at an air-assist velocity of 25 m sâ1 when drift potential could be reduced up to 39%.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Crop Protection - Volume 24, Issue 11, November 2005, Pages 951-960
Journal: Crop Protection - Volume 24, Issue 11, November 2005, Pages 951-960
نویسندگان
Ali Bayat, Nigar Yarpuz Bozdogan,