Volatilization Losses from Sprinkler Applied Nitrogen Blythe - - PowerPoint PPT Presentation

▶

Jan 28, 2024 33 likes •176 views

Volatilization Losses from Sprinkler Applied Nitrogen Blythe McAfee Application Techniques Sprinkler irrigation Gravity irrigation Micro irrigation Surface spreading Injection www.farmprogress.com, www.watercenter.unl.edu,

SLIDE 1

Volatilization Losses from Sprinkler Applied Nitrogen

Blythe McAfee

SLIDE 2

SLIDE 3

Application Techniques

Sprinkler irrigation
Gravity irrigation
Micro irrigation
Surface spreading
Injection

www.farmprogress.com, www.watercenter.unl.edu, www.nelsonirrigation.com

SLIDE 4

SLIDE 5

NH3 NH4

NH4

NH3 NH3 NH4

NH4

Ammonium Ammonia

NH4

SLIDE 6

NH3 NH3 NH3 NH4

NH4

NH3 NH3 NH3 NH3 NH3 NH4

NH4

NH3 NH4

NH4

NH3 NH4

NH4

NH3 NH4

NH3

NH3 NH3 NH3 NH3 NH3

SLIDE 7

Environmental Factors

Soil

pH
Temperature
Soil texture
Water content

Weather

Wind speed
Humidity
Atmospheric temperature

SLIDE 8

Which Factors Increase Volatilization?

Acidic (low pH) Fine Soils Wet Soil Low Temps Low Wind Speeds Low Humidity Alkaline (high pH) Coarse Soils Dry Soil High Temps High Wind Speeds High Humidity

SLIDE 9

How much do we lose?

SLIDE 10

SLIDE 11

My Research

SLIDE 12

Which Increase Volatilization?

Acidic (low pH) Fine Soils Wet Soil Low Temps Low Wind Speeds Low Humidity Alkaline (high pH) Coarse Soils Dry Soil High Temps High Wind Speeds High Humidity

SLIDE 13

Nebguide G1335
http://water.unl.edu/manure/

SLIDE 14

Thank you!

Questions?