Reducing Corn Produc.on Costs Webinar February 1, 2016...February 1, 2016 Reducing Corn Produc.on Costs Webinar, February 1, 2016 Transgenics or not? • Seed costs can be reduced

ReducingCornProduc.onCostsWebinarFebruary1,2016


ReducingCornProduc.onCostsWebinar,February1,2016

35.0%

19.3%15.6%

11.7%

5.6%12.7%

CostSharesforCorninWestCentralIndiana,2015

Land Fer?lizer Seed Machinery Labor Other



Rota?onCorn;CostsperBushelin2015and2016Budgets

Item 2015 2016 PercentChange

Fer?lizer $0.89 $0.70 -20%

DryerandMachineryFuel $0.30 $0.21 -30%

TotalVariableCost $2.70 $2.42 -10%

TotalCost $4.98 $4.57 -8%

CornPrice $3.80 $3.50 -8%

15 3040

SoiltestP(ppm)assoc.withlimitsforcornandsoybean

Maximizeprofitthisyear•  About50lbnutrient/acre

shouldmaximizeprofitatupperendofLOW

•  and100lbnutrient/acreatlowerendofLOW

Nitrogenraterec.•  Recs.applytoefficient.mingsandplacementofN

• NLossRisksarehigherif:– Fallorearlyspringanhydrous– EarlyspringliquidN– Surface-appliedurea

©PurdueUniv

0

50

100

150

200

250

0 50 100 150 200 250 300

Grainyield(b

u/ac)

TotalappliedNfer?lizer(lbsN/ac)

YieldresponsetoNisnotlinear

Yieldrespo

nsetoN

decreasesa

sNrate

nearstheo

p.mum

YieldresponsetoNstopsbeyondtheop.mumNrate

Economicop?mumNrate•  MostprofitableNrateover.me,noteverysingleyear

•  Opt.Nratesinanysitua.oncanvaryplusorminus30to40lbN/acre

•  Recs.arebasedoncornaYersoybeantrials(add40-50lbN/acremoreforcornaYercorn)

•  Varieswithpriceoffer.lizerandgrain

158

166

171

191

201188

$4corn$330/tUAN-28%or$970/tAA

Economicrec’sforcorn/soybeaninWC/SWIndiana

+40-50forC/C

hep://www.agry.purdue.edu/ext/corn/news/.meless/NitrogenMgmt.html

Nitrogenguidelines



Transgenicsornot?

•  Seedcostscanbereducedbyusinglessexpensivehybridsthatdonotcontaintransgenictraits(akanon-GMOhybrids).–  Upwardsof$100savingsper80kunit.–  At34,000seedsperacre,translatestoseedcostsavingsupwardsof$43/acre.

©PurdueUniv

13



Hybridselec?onisnotsimplyaboutgene?cyieldpoten?al•  But,alsotheabilityofhybridstoperformconsistentlywell

acrossawiderangeofgrowingcondi.ons(i.e.,stresstolerance).

•  Tolerancetoawidearrayofstressesisimportantbecausewecannotaccuratelyforecastnextyear’sgrowingcondi.ons.

©PurdueUniv



MostEffec?veIndicatorofHybridStressTolerance:•  Hybridperformanceinasmanyvarietytrialsasyoucanfind

withinagivengeographicregion.

•  Mul.pletrialshopefullyprovidearangeofgrowingcondi.onsthatyourfieldsmayexperienceinthefuture.

•  Lookforhybridsthatconsistentlyyieldnearthetopofthemajorityofthetrials.

+/-1bu/ac

+/-2bu/ac

0

50

100

150

200

250

18000 23000 28000 33000 38000 43000

Grainyield(b

u/ac)

Plantpopula?on(plants/ac)

YieldResponsetoPopula?on

PurdueSeedingRateTrials,2008-2014

Whiletheagronomicop.mumplantpopula.onistechnically32kplantsperacre,theyieldresponsecurveissoflatthatfinalstandsanywherebetween~29kand~35kwillyieldclosetoop.mum.



Bocomlineonplantpopula?on•  Ourresearch:Two“sweetspots”forplantpopula.onforcorn

inIndiana.

–  Produc.vesoils:Low30’sFINALstand–  Challengingsoils:Mid20’sFINALstand

•  Ourresearch:VariableratesnotwidelybeneficialformostfieldsinIndiana.

•  Economicratesareatleastseveralthousandlessthanagronomicrates.

Onlinesummary…www.kingcorn.org/news/?meless/SeedingRateGuidelines.pdf

Documents

Reducing Corn Produc.on Costs Webinar February 1, 2016...February 1, 2016 Reducing Corn Produc.on Costs Webinar, February 1, 2016 Transgenics or not? • Seed costs can be reduced