Corn Plot OverviewCorn Plot Overview

Jared ShippeyJared Shippey

Ben LoganBen Logan

General InformationGeneral Information

Planted 5/30/08Planted 5/30/08 Hybrid – Pioneer 38B87 – 94 daysHybrid – Pioneer 38B87 – 94 days Planted population 35,000Planted population 35,000 Manure applicationManure application

Fall 6000 gal/ac surface appliedFall 6000 gal/ac surface applied Spring 6000 gal/ac surface appliedSpring 6000 gal/ac surface applied

Field has long term manure historyField has long term manure history Previous crop – Corn silage w/ rye cover cropPrevious crop – Corn silage w/ rye cover crop

Tillage PlotsTillage Plots

Treatments – Treatments – Plot 1: Spring chiselPlot 1: Spring chisel Plot 2: Spring turbo-tillPlot 2: Spring turbo-till Plot 3: No-tillPlot 3: No-till

Fertility program –Fertility program – 18 gal/ac 7-21-6 as starter18 gal/ac 7-21-6 as starter 30 gal/ac 30% UAN banded at planting30 gal/ac 30% UAN banded at planting

Yield ResultsYield Results

Yield checks on 9/10/08Yield checks on 9/10/08 Spring chiselSpring chisel

13.5 tons/ac13.5 tons/ac Spring turbo-tillSpring turbo-till

15.0 tons/ac15.0 tons/ac No-tillNo-till

16.0 ton/ac 16.0 ton/ac All yield data adjusted to 70% moistureAll yield data adjusted to 70% moisture

Economic AnalysisEconomic Analysis

Corn Silage $40/tonCorn Silage $40/ton Revenue –Revenue –

Chisel - $540/acChisel - $540/ac Turbo-Till - $600/acTurbo-Till - $600/ac No-Till - $640/acNo-Till - $640/ac

Economic Analysis Economic Analysis

Tillage and Planting costs per acreTillage and Planting costs per acre Chisel –Chisel –

$48.50/ac$48.50/ac Turbo-Till – Turbo-Till –

$32.60/ac$32.60/ac No-Till – No-Till –

$18.20$18.20 Figures taken from NASS 2008 PA Custom Figures taken from NASS 2008 PA Custom

Machinery RatesMachinery Rates

Economic Analysis Economic Analysis

Net Return To TillageNet Return To Tillage Chisel – Chisel –

$491.50$491.50

Turbo-Till – Turbo-Till – $567.40$567.40

No-Till – No-Till – $621.80$621.80

Fertility PlotsFertility Plots

All plots were no-tilledAll plots were no-tilled TreatmentsTreatments

Plot 4: Myer’s tradition fertility programPlot 4: Myer’s tradition fertility program Plot 5: Starter and manure onlyPlot 5: Starter and manure only Plot 6: Manure only Plot 6: Manure only Plot 7: Tradition fertility program plus Avail Plot 7: Tradition fertility program plus Avail

Myer’s Tradition FertilityMyer’s Tradition Fertility

Starter: 18 gal 7-21-6 banded 2x2 off rowStarter: 18 gal 7-21-6 banded 2x2 off row Nitrogen: 30 gal UAN banded w/ planterNitrogen: 30 gal UAN banded w/ planter 6000 gal manure fall applied6000 gal manure fall applied 6000 gal manure spring applied6000 gal manure spring applied All manure surface applied on rye cover All manure surface applied on rye cover

cropcrop Total fertilizer app. 108-40-11Total fertilizer app. 108-40-11

Starter and ManureStarter and Manure

Starter: 18 gal 7-21-6 banded 2x2 off rowStarter: 18 gal 7-21-6 banded 2x2 off row 6000 gal manure fall applied6000 gal manure fall applied 6000 gal manure spring applied6000 gal manure spring applied All manure surface applied on rye cover All manure surface applied on rye cover

cropcrop Total fertilizer app. 13-40-11Total fertilizer app. 13-40-11

ManureManure

6000 gal manure fall applied6000 gal manure fall applied 6000 gal manure spring applied6000 gal manure spring applied All manure surface applied on rye cover All manure surface applied on rye cover

cropcrop

Tradition Fertility w/ Tradition Fertility w/ AvailAvail

Starter: 18 gal 7-21-6 banded 2x2 off row Starter: 18 gal 7-21-6 banded 2x2 off row w/ Availw/ Avail

Nitrogen: 30 gal UAN banded w/ planterNitrogen: 30 gal UAN banded w/ planter 6000 gal manure fall applied6000 gal manure fall applied 6000 gal manure spring applied6000 gal manure spring applied All manure surface applied on rye cover All manure surface applied on rye cover

cropcrop Total fertilizer app. 108-40-11Total fertilizer app. 108-40-11

Yield ResultsYield Results

Plot 4: Myer’s fertility program – 16.0 Plot 4: Myer’s fertility program – 16.0 tonstons

Plot 5: Starter & manure – 14.8 tonsPlot 5: Starter & manure – 14.8 tons Plot 6: Manure only – 12 tonsPlot 6: Manure only – 12 tons Plot 7: Myer’s fertility plus Avail – 11.4 Plot 7: Myer’s fertility plus Avail – 11.4

tonstons All yield data adjusted to 70% moistureAll yield data adjusted to 70% moisture

Economic AnalysisEconomic Analysis

30% UAN est. $0.70/lb of N = $420/ton30% UAN est. $0.70/lb of N = $420/ton

Difference between Starter & UAN and Difference between Starter & UAN and Starter only was 1.2 tons of yield with a Starter only was 1.2 tons of yield with a value of $48.00value of $48.00

Cost of nitrogen to get addition 1.2 tons Cost of nitrogen to get addition 1.2 tons of yield was $66.50of yield was $66.50

SummarySummary

Yield difference between Avail plot and Yield difference between Avail plot and other plots with same fertility program other plots with same fertility program was mostly related to soil productivity was mostly related to soil productivity differencedifference

No-tilled plots tolerated dry August No-tilled plots tolerated dry August conditions better than tilled plotsconditions better than tilled plots

Abundant manure history can provide Abundant manure history can provide majority of crop P & K needs majority of crop P & K needs