Urban IPM 3 day training equip

Information about Urban IPM 3 day training equip

Published on November 9, 2007

Author: demirel

Source: authorstream.com

Content

Application Equipment:  Application Equipment Douglass E. Stevenson, Ph.D. Extension Associate Texas Cooperative Extension Sprayers:  Sprayers To Enhance Safety and Benefits and to Get the Most From Any Sprayer::  To Enhance Safety and Benefits and to Get the Most From Any Sprayer: Select the right equipment. Set it up correctly. Use proper operation procedures. Perform proper maintenance. Reference Materials:  Reference Materials The pesticide label Spray equipment Extension guidelines All Sprayers Should Be::  All Sprayers Should Be: Durable Convenient to fill Convenient to operate Easy to clean Three Basic Functions of a Sprayer::  Three Basic Functions of a Sprayer: Distribution Metering Storage and transport Types of Spray Equipment:  Types of Spray Equipment Hand sprayer Knapsack (LOK) Battery powered Slide8:  Low pressure hydraulic High pressure ULV Chemigation or injection Three Functions of a Nozzle:  Three Functions of a Nozzle Metering Atomization Pattern dispersal Flow Rate is Dependent On::  Flow Rate is Dependent On: Nozzle size Pressure Fluid Characteristics Components:  Components Tank - mostly plastic, size varies Pump - various Filter - 50 or 100 mesh Nozzles - flat fan, cone, flood Regulator - regulate pressure Tanks:  Tanks Fiberglass Stainless steel Galvanized steel Aluminum Polyethylene Pumps Must Provide:  Pumps Must Provide Gallons per minute (GPM) required by all nozzles Tank agitation (6% of tank volume) Twenty percent (20%) reserve for wear Backpack or Hand:  Backpack or Hand Pumping action from moving a flexible diaphragm Fairly resistant, moderately priced Roller Pump:  Roller Pump Widely used Cheap, effective, and flexible Rolling action of rollers force liquid through outlet Gear Pump:  Gear Pump Used on early sprayers Wear easily Cannot be repaired Centrifugal Pump:  Centrifugal Pump Good for abrasive materials Not self-priming High capacity Piston Pump:  Piston Pump Positive displacement Low output Expensive Good for WP Nozzles:  Nozzles Flat fan - herbicides Cone - insecticide, fungicide Floods - herbicide, fertilizer Sizes - 01, 02, 03 or 3, 5, 10 Angles (fan) - 80, 110 Nozzle Materials:  Nozzle Materials Ceramic Hardened stainless steel Stainless steel Nylon Brass Nozzles: Wear vs Cost:  Nozzles: Wear vs Cost Flat fan:  Flat fan Broadcast Tapered edges Must overlap Even flat fan:  Even flat fan Rectangular pattern Banding Ex: 8002E More Flat Fans:  More Flat Fans Flat fan - extended range Twin flat fan - good for dense foliage Flooding flat fan Cones:  Cones Circular pattern Smaller particles Good foliage penetration Flood nozzles:  Flood nozzles Fertilizer and herbicide Large droplet Multi-pattern:  Multi-pattern Hand-held Select pattern by turning nozzle body Strainers:  Strainers Tank opening (16-20 mesh) In-line (20-50 mesh) Nozzle screen (none - 100 mesh) Hoses:  Hoses Correct size Flexible (non-collapsible if suction hose) Durable Resistant (sunlight, oil, chemicals, abrasion, twisting) Sufficient Pressure Rating ULV or Mist Blowers:  ULV or Mist Blowers Use a fan or whirling disc Low volume Save time and labor Calibration critical Concentrated pesticide Spreaders:  Spreaders Drop spreader Uniform pattern Low drift Spreaders:  Spreaders Centrifugal or rotary spreader Wider swath Non-uniform pattern Drift:  Drift Why Minimize Drift?:  Why Minimize Drift? To Avoid: Spotty pest control Wasted chemicals Off-target damage Environmental impact Public concerns Problems in populated areas Factors that Affect Droplet Size:  Factors that Affect Droplet Size Spray pressure Spray angle Nozzle type Orifice size To enlarge droplet size::  To enlarge droplet size: Operate at lower end of recommended pressure range Use nozzles with larger orifice Use special nozzles to reduce the portion of small droplets Environmental Conditions:  Environmental Conditions Best conditions occur early or late in day: wind more likely in 3-to-10 mph range temperature is lower relative humidity is higher WARNING: watch for inversions Maintenance:  Maintenance Cleaning: hoses, nozzles, pumps, tanks, and hoppers Clean with water and/or detergent Use soft brush on nozzles Cleaning agents:  Cleaning agents Insecticides/fungicides - powder detergent - agitate, flush and rinse Hormone herbicides (salt or amine) - ammonia or washing soda- agitate, flush, let stand overnight, flush and rinse Other herbicides - powder detergent - agitate, flush and rinse Suggested Calibration Tools:  Suggested Calibration Tools Measuring tape(s) - 100 ft tape and yardstick A watch capable of measuring seconds - stopwatch works best Measuring container marked in ounces - one quart works for most applications Ground Speed:  Ground Speed Linear relationship Doubling speed cuts rate in half Cutting speed in half doubles rate To Increase Rate::  To Increase Rate: Slow down Use larger nozzle Increase pressure Decrease nozzle spacing To Decrease Rate::  To Decrease Rate: Speed up Use smaller nozzle Decrease pressure Increase nozzle spacing

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