Reducing 2016 Soybean Produc5on Costs - Purdue University

Reducing2016SoybeanProduc5onCosts



Fer$lizer25%

Seed35%

Pes$cides12%

MachineryFuel&Repairs12%

Misc.16%

SoybeanVariableExpenseSharesinIndiana2016CropYear,PerBushel

Source:PurdueCropCostandReturnGuide,ID-166-W



$0.40$0.50$0.60$0.70$0.80$0.90$1.00$1.10$1.20$1.30

02 03 04 05 06 07 08 09 10 11 12 13 14 15 16Year

SoybeanSeedCostPerBushel,W.Central,Indiana


DeterminingSeedingRates•  SeedQuality–germina5on%,purity%•  Variety–diseasepressure(whitemold)•  Equipment–calibra5on,seedplacement

– drill,air-seeder,planter,rowcleaners,etc•  Soilcondi$ons–emergence%(crust,etc)

– clean5ll,no-5ll,heavyresidue•  SeedRatewillchange,but PlantPopula$onTargetwillnotchange.

SeedCostAloneSeedRate Plant

Pop.$40/unit

$50/unit

$60/unit

$70/unit

1000s/ac ------------------$/ac-----------------100 90 29 34 41 49125 113 35 43 52 61150 135 42 52 63 73175 158 49 61 73 85200 180 56 69 83 97225 203 63 78 94 109

Reduce50K,Save~ $14 $18 $21 $24

WillTheseStandsYieldtheSame?A B

C D

75K 95K

115K 185K

0% 20% 40% 60% 80%

100%

0 50 100 150 200

Perc

ent o

f Max

Harvest Stand (1000s)

ResponsiveOFRstoSoyPopula5on

•  52.8 to 76.7 bu/ac •  31.0 to 61.9 bu/ac •  29.2 to 70.9 bu/ac

2010

2011

2012

SeedRates•  SeedRatewillchange,but

PlantPopula$onTargetwillnotchange.•  Targetis 100to120kplants/ac•  Planters(15to30”): 120to140kseeds/ac•  Air-seeders(~15”): 140to160kseeds/ac•  Drills(<10”): 160to180kseeds/ac•  Lowerratescanbeusedwithwellcalibrated/tunedequipment,

especiallyiffieldcondi5onsaregood.•  Ratescouldbeloweredmoreiffungicideseedtreatmentsused

(cost:benefit).

$1.50

$2.00

$2.50

$3.00

$3.50

$4.00

$4.50

02 03 04 05 06 07 08 09 10 11 12 13 14 15 16Year

Es$matedSoybeanVariableExpensesPerBushel,W.Central,Indiana


TIMELYPLANTINGofSoybeans•  Bestcombina5onof and

tomaximize:–  LeafNodes–  Pods–  Reproduc$vebranches–  Canopyclosure–  Reproduc$vedura$on

:generalsweetspot

(evenearlyMayoccasionally)

15

16

17

18

19

20

03/30 04/13 04/27 05/10 05/30 06/06

Nod

e nu

mbe

r pla

nt-1

Planting Date

AAA

A

B

B

Planting Date Effect on Nodes

Greentotheeyebythe4thofJuly15-inRowsatFullBloom(R2)

30-inRowsatFullBloom(R2)

15-inrowsclosetherow25dfasterthan30-inrows!

2014&2015Plan5ngs:4Varie5es

020406080100

20-Apr 4-May 18-May 1-Jun 15-Jun 29-Jun 13-Jul

Yield(%

ofM

ax)

Plan$ngDate

3Varie5es 4thVariety

TIMELYPLANTINGofSoybeans:generalsweetspot

(evenearlyMayoccasionally)

•  50%ofIndianaareplantedbyMay20th!•  Timelyplan$ngseasilyyield4to8bumorethantheendofMayplan5ngs.Manyyielddifferencesareevengreater.

Reducing 2016 Soybean Produc5on Costs - Purdue University

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