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U G F E R T E X

Prescription Lime and Nutrient Guidelines for Agronomic Crops

Version 3.1

University of Georgia

Authors:

C.O. Plank, Extension Agronomist

Glen Harris, Extension Agronomist

Programmer:    Rick Hitchcock, IT Manager
  ?   Name:   ?   Crop:
Field ID: Soil: Coastal Plain Piedmont Deep Sands
County:
Date:   ?   Prior
Crop:
  ?   Irrigated:   ?   Yield Goal: Units   ?   Starter     N:     P2O5:   ?   Plow Depth: inches
(for lime requirement)
  ?   pHw:   ?   Lime Buffer Capacity:   ?   Target pH: Lime Requirement: LimeRec   tons/Acre
  ?  Mehlich-1
Soil Test Values 		P
K
Ca
Mg
Zn
Mn
Application
Guidelines
N:
P2O5:
K2O:
Ca:
Mg:
Zn:
Mn:
B:
S:
  ?  
Soil Buildup
Years to Build Change: Phosphorus Potassium
Desired Change in Index
Current Soil Test Levels PCurrent KCurrent
Soil Test Levels with Buildup PBuild KBuild
Soil Test Levels with excess P2O5 and K2O PWithExcess KWithExcess
Fertilizer Required: P2O5:   PSupp
lbs/a/year 		K2O:    KSupp
lbs/a/year
  ?  
Manure

Type: ManType
ManureUnit /acre has:
Nutrients suppliedDeficitExcess
N:
NMan  lbs/acre
P2O5:
PMan  lbs/acre
K2O:
KMan  lbs/acre
Residual N: ResNAvailTot  lbs/acre
Additional Commercial
Fertilizer Required

N: NFert  lbs/acre
P2O5:PFert  lbs/acre
K2O: KFert  lbs/acre
  ?   Manure Type:
Application Method   ?   Broadcast - immediate incorporation
Broadcast - incorporation within 2 days
Broadcast - Unincorporated
Injected in soil
Sprinkler Irrigation

Ammonium Availability Factor: AmmLossFactor
Available Nutrients Current Year
 lbs/Unit
Total N: TotNAvail
   Ammonium N: AmmAvail
   Organic N: OrgNAvail
Total P2O5: ManurePAvail
Total K2O: ManureKAvail
Current Year's Analysis (wet weight basis) Dry Matter %:
Units: /acreConcentration
Total N: lbs/Unit a1  N
   Ammonium N: lbs/Unit a2  NH4-N
   Organic N: OrgN  lbs/Unit  
Total P2O5: lbs/Unit a3  P2O5
Total K2O: lbs/Unit a4  K2O
N Available from Application in Previous Year   ?   (Assuming same manure type and units of application)
Rate  tons/acre
Total N  lbs/acre
   Ammonium N  lbs/acre
   Organic N PrevOrg  lbs/acre
   Residual N ResNAvailTot1  lbs/acre
UGFERTEX
Version 3.0

NOTICE: UGFertex is based on the University of Georgia soil testing program and is correlated with the Mehlich I soil test extractant. Soil test inputs using other extractants may cause invalid results. Unrealistic yield goals or excessive P and K buildup rates also may not be economically feasible.

This program is based on the best available data. Since many uncontrolled variables can affect plant growth and nutrient requirements, the University of Georgia Cooperative Extension Service is not responsible for any losses incurred from the use of this program. This software is provided "AS IS" and without warranty as to performance.