CORN AND SOYBEAN UPDATES FOR 2013 Angela McClure Corn and Soybean Specialist

2012 Rainfall Patterns (total inches by month)

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7JacksonMilan

Inch

es

Creative Double Cropping paid off 15-20” tall plants AG2.9 planted late July following corn and

harvested in late October 2012

Crop Insurance Planting Dates-2013

Corn Soybean

Full coverage Mar 21- May 20 Apr 16-June 15

Partial coverage Till June 15 Till June 25

Plant Early for Best Corn Yield– usually…. (Milan, REC; Dekalb 63-84 VT3)

210 216

180 186 166

112 95

176 182

140 139

115

47 65 63

82

42 31

118

95

55

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100

150

200

250

L Mar E Apr L Apr E May L May E Jun L Jun

201020112012

Seed Quality- Early vs Late Planted

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300

2008 2009 2010 2011 2012 5 yr avg

drylandIrrigated

30%

Irrigated and dryland corn yields, UT Milan REC

(Pioneer 33N58 with 220 units N at planting)

Value of Irrigation—consistent yields across extreme environments

178

253

Impact of Drought: It is hard to make corn without water

Corn Water Use

Critical Water Need

Approx. Inch/Week

Kernel Row number (V9-V12) 1.75”

Ear length (V12-V17) 2.0”

Ear Size Potential (V17-R2) 2.3”

Grain fill (R3- black layer) varies

Soybeans can Recover from Early Season Drought (Milan, REC; planted May 14th)

Maturity

R1 R2 R3 R4 July Rain

Aug Rain

Sep Rain

Yield (Bu/A)

Date when 50% plants/plot were at this stage 3.8 6-20 6-26 7-8 7-16 66.8 3.9 6-20 6-26 7-8 7-18 69.9 4.2 6-25 7-2 7-10 7-29 76.6 4.7 6-28 7-5 7-12 7-31 75.1 4.8 7-2 7-12 7-16 8-5 82.1 5.0 7-2 7-12 7-18 8-5 79.9

Data are average for 130K and 180K populations and 15 and 30 inch row widths for indeterminate varieties.

6.07

” beg

7-7

-12

4.58

”

4.96

”

Maturity Group and Yield 2012 Season (15” rows planted at 130K/A)

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93Y84 93Y92 94Y23 94Y70 94Y80 95Y01

IrrigatedDryland

Bushels/A

Irrigated beans had higher plant populations at harvest (130K/A Planting Rate; Milan REC)

Variety Irrigated Dryland Irrigated Dryland 15” rows 15” rows 30” rows 30” rows

93Y84 127,195 95,832 103,237 75,576 93Y92 108,464 110,642 106,504 105,850 94Y23 123,275 94,960 97,139 87,337 94Y70 121,968 96,703 108,464 90,605 94Y80 114,563 101,358 101,713 91,476 95Y01 121,097 109,642 96,921 104,810

Irrigated beans responded more consistently to narrow rows (Bushel increase in yield by going from 30” row to 15” rows)

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93Y84 93Y92 94Y23 94Y70 94Y80 95Y01

Yellow= Dryland Blue = Irrigated

Bus

hels

/A

Irrigated varieties had less “Green Stem Syndrome” Occurrence related to early season stress and variety

Nitrate Levels following Dry Corn Crop (MREC Oct 2012 ; 240 lbs N split applied)

55.1

64.9

43.4

56.4

37.8

59.1

43.1

32.3

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0-6" 6-12" 12-18" 18-24"

80 bu

100 bu

PPM X 2 = lbs Nitrogen/Acre for 6” sample

PP

M N

ITR

ATE

Nitrate levels following Soybean Harvest (MREC ppm Oct 2012; 60 bushel yield potential field )

5 4 3.4 1.9 0

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70

0-6" 6-12" 12-18" 18-24"

PPM nitrates

P and K levels at different soil depths (MREC Oct 2012; ppm following corn; n=12)

25 10.3 11.7 12.8

133.1 111.8

98.2 91.4

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0-6" 6-12" 12-18" 18-24"

P KFall 2011 test results: 88 ppm K 41 ppm P Fertilized 23-60-90

‘Fertilizer credit’ flowing a drought Broadcast fertilizer situation

Wheat and cover crops trap unused nitrogen Nitrogen- use it or lose it; plant wheat or cover crop; no carryover into 2013 crop

P205 and K20

• Should be available for 2013 cropping season

Nitrogen Management in corn (example: targeting 220 lb N/A) Dryland Irrigated 220 lbs N at planting (add N stabilizer for urea or UAN)

220 lbs N at planting

50 lbs at planting fb 170 lbs sidedress V3-V5 (add a N stabilizer urea or UAN)

50 lbs at planting fb 170 sidedress V3-V5

35 lbs at planting 145 lbs sidedress V3-V5 40 lbs 2 week pretassel (add N stabilizer for urea or UAN)

35 lbs at planting 145 lbs sidedress V3-V5 40 lbs 2 week pretassel

50 lbs at planting 90 lbs sidedress knee high corn 50 lbs waist high corn 30 lbs 2 week pretassel

2012 Yield and Population (Irrigated Dekalb 62-63 Milan REC; 34-0-0)

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80 fb 120 220 PRE 80 fb 100 fb 40 80 fb 200

30 K35 K40 K45 K

Roundup Ready 1 Patent • Monsanto patent on RR1 technology in soybean expiring in 2014

• Monsanto will continue to collect tech fees in 2013 and 2014

• 2015 will be first year producers can purchase RR1 seed at lower cost and save seed except:

• When seed contains other patented yield traits • Contact seed company rep for more details fall 2014

Drought Tolerant Corn Gene I.D. and traditional plant breeding- Syngenta seeds ‘Artesian’ and Pioneer ‘AquaMax’ hybrids • NK seeds 4000 series hybrids • Pioneer 1498 HR

GMO trait(s)- Monsanto ‘DroughtGard’ hybrids • Cleared for use in U.S. but not for foreign exports

Drought Tolerant Corn

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1.9

8.9

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Good Moisture Poor Moisture

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rce

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n Y

ield

Syngenta’s Artesian hybrids

Pioneer’s Aquamax hybrids

Foliar Yield Enhancement Products Micronutrient products:

Delta Ag- MicroVite (0-0-0; 6% Su, 4% Zn, Mg, Cu, Mn)

Delta Ag- CropKarb (8-0-18; Bo), AgXplore- SoyScience (4-0-10, 0.5% Bo, Mn) AgroCulture- FertiRain (12-3-3)

Anti-stress/PGR product: Stoller- Bioforge

2012 GoBeans Locations

Dyer Co. Alan Sims

Weakley Co. David Oliver

Shelby Co. Keith Wilder Giles Co.

Jason Birdsong

Franklin Co. Justin Woodall

Coffee Co. Greg Freeze

Cannon Co. Danny Powell

Gibson Co. Denton Parkins

Madison Co. Matt Griggs

UT 2012 GoBeans Plot Results Treatment

Cannon (93Y92)

Coffee (AG 3730)

Dyer* (Terral 4610)

Franklin* (Armor 48R40)

Gibson (Terral 47R74)

Giles (DP4888)

Madison (94Y70)

Shelby* (AG4303)

Weakley (93Y92)

Bushels/Acre corrected to 13% moisture

MicroVite 75.8 68.9 53.3 59.9 41.5 59.0 46.4 41.6 17.1

Bioforge 75.9 65.9 50.7 55.6 42.8 57.5 45.8 44.8 19.1

SoyScience 75.4 71.3 48.2 62.1 44.4 57.4 44.8 46.5 18.5

CropKarb 73.6 69.2 48.5 60.2 44.4 59.0 46.1 45.6 18.5

FertiRain ---- ---- 48.4 58.8 44.6 57.9 46.2 47.4 17.5

Untreated 75.2 64.5 54.3 58.5 41.4 58.1 47.6 40.2 18.0

Plot Average

75.2 68.0 50.5 59.0 43.2 58.2 47.7 44.3 18.0

*Field variability may have affected numbers; Highlighted cells are products yielding 3 bu or better than the check for a location

Soy Foliar Fert Demonstration 2012 Product

Rate

Tested

Number

of

locations

Average

Yield over

locations (Bu/Acre)

Yield 3 Bu

or better

than

Untreated

Return/Acre

Above

Untreated

Excluding

Coffee Co.

Return/Acre

Above

Untreated

over all

locations SoyScience 2 Qts/A 9 52.1 44% of trials -$0.94 $10.05

CropKarb 2 Qts/A 9 51.7 33% of trials -$2.93 $3.26

MicroVite 2 Qts/A 9 51.5 11% of trials -$4.30 $4.45

Bioforge 1 pint/A 9 50.9 11% of trials -$13.87 -$11.37

FertiRain 4 gal/A 7 45.8* 28% of trials -$23.84 -$23.84

Untreated

Check --- 9 50.9 ---

*FertiRain was tested in 7 counties and was not included in the two highest yielding

locations.