Putting It All Together

MANAGEMENT ZONES

Doug Aspinall

Senior Soil Scientist

ZoneSmart

September 10, 2015.

Yield Index: Winter Wheat & Soybeans

Yield Index

Winter Wheat

4 years

Yield Index

Soybeans

3 years

Yield Index Map

4 years Winter Wheat

3 Soybeans

Yield Index Classes

Class

Below average, stable

Below average,somewhat stable

Above average,somewhat stable

Above Average, stable

Detailed Soil Map

Soil_Type

Burford Loam

Disturbed Loam

Donnybrook Gravelly Sandy Loam Degraded

Donnybrook Gravelly Sandy Loam Thick Ap

Donnybrook Gravelly Sandy Loam modal

Donnybrook Loam

Donnybrook Loam Thick Ap

Guelph Fine Sandy Loam

Guelph Loam

Guelph Loam Degraded

Guelph Loam Degraded Thin Ap

Guelph Loam Stony

Guelph fine sandy loam degraded

Linders Loam

Soil Type & Yield

Index

Management

Zones: Soil

Fertility & Yield

Maps

Guelph Loam

stable, high

yielding

OM% pH K Mg

CEC K

Management Zone Yield Statistics

Soil type 2005 2006 2008 2010 2012 2013 2014 2015

SB WW WW WW WW SB SB WW

GPH.l #230 35.9 59.0 46.8 66.9 40.0 55.0 51.5 80.4

DBK.lcs #267 18.0 47.5 41.1 35.9 26.6 29.9 42.6 46.0

LDR.l #190 38.1 69.3 56.6 68.2 46.8 56.3 50.2 83.6

Field Avg 31.2 59.3 46.9 54.2 38.3 48.9 46.3 76.1

Soil type WW SB

GPH.l 58.6 47.5

DBK.lcs 39.4 30.1

LDR.l 64.9 48.2

Field 54.9 42.1

Management Zone Averages

OM CEC pH K:Mg

P Mg Ca Zn

Mn

LDR.l GPH.l DBK.lcs

%OM 3.2 3.4 3.1

pH 7.4 7.5 7.6

CEC 12 12 14

P 32 37 41

K 177 180 180

Mg 240 255 250

K:Mg .7 .75 .8

Ca 1630 1732 2055

Zn 4.3 5.4 6.2

Mn 19.5 16.4 17.9

Soil Fertility Stats

Intersect Swath Map with Management

Zones Polygons

Corn Planter swaths 40’

40 ft. sq. blocks imposed on

Soil Types

Soil/Yield Zones – all polygons

Soil/Yield cleaned

Remove polygons < 144 m2

40 ft. blocks on Management Zones

20 x 40 ft. blocks

Row by row

WFE, Linders Farm

Data Collected so far

Several RTK GPS elevation data sets + combine and planter

DUAL EM, 2 collections

Veris EC

SIS sensing

• P 4000 sensing

• Soil Optix

• 8 years of yield monitor data, wheat and soybean

• ~ 100 soil type inspections

• 60 + soil test samples (GFO, Soil Optix, Sis)

• soil texture analyses (Aspinall, Sis, Soil Optix)

• Ortho/google imagery

• Drone imagery

• CORN in 2016!!!!