2013 Soybean
Production Update

Greg Endres, Extension area agronomist
NDSU Carrington Research Extension Center
gregory.e...
•South-central ND
season review
•Plant establishment
•Timing of weed control
inches

May-Sep monthly rainfall, Southcentral ND, 2013
Soybean Establishment Study, CREC, 201113

• 2 tillage systems
– conventional and direct seed (‘no-till’)

• 2 planting da...
May 30

July 22

conventional

direct seed
Soybean Establishment Study, Carrington, 201113: SEED YIELD WITH TILLAGE SYSTEMS
60
52.5 51.8

50
40

40.8

*
45.9 45.3

4...
Soybean Establishment Studies, CREC, 2011-12:

SEED YIELD WITH PLANTING DATES
60
50
40

53.7
43.5
*

*

50.6

40.7

37.6
*...
Soybean Establishment Study,
CREC, 2013: Planting dates

May 29

June 12
Soybean Establishment Study, CREC, 2013:

Planting dates – impact on plant
development and agronomic factors
Dates for pla...
Soybean Establishment Study, CREC, 2013:

SEED YIELD WITH PLANTING DATES
50
43.1

42.9

40
30

29-May
12-Jun

20
10
0
Carr...
Planting date x maturity group, Prosper, 2013

Planting dates: May 13 and 28
Maturity groups: 0.1 and 0.7
(DSR 0101 and 07...
Planting date x maturity group,
Prosper, 2013
Planting
date

Stand

Yield

plants/A

bu/A

Planting
date

May 13

146,560
...
Planting date x maturity group, Wishek, 2013

Planting dates:

May 24

June 6
Planting date (4) x variety (2), CREC, 2013
Burton Johnson
Soybean Establishment Study, CREC, 201113:
SEED YIELD WITH PLANTING-TIME FERTILIZER
60
50
43.7

42.3

43.0

45.3

46.0

45...
Soybean establishment study, CREC, 2013:
50

SEED YIELD WITH FUNGICIDE 1
44.5

30
20

unt reat ed check
Priax or

10

1

0...
NDSU Soybean Foliar Fungicide Trials, 2004-13 (29 trials):

50

SEED YIELD 1
43.7

30
20

unt reat ed check
fungicide

0

...
Soybean yield loss from weeds
Timing of initial weed control
Weed height
Soybean stage
At planting (soil application)
VC-V...
Soybean timing of initial weed control, Carrington, 2013

early POST – June 21
July 11 – late POST
Soybean yield with timing of initial weed
control, Carrington, 2013.
35

32.8

29.8

30

Bu/A

25

LSD (0.05): NS

27.4
22...
Soybean timing of initial weed
control, NCREC (Minot), 2013

Sep 12
NDSU Research Summary of Soybean Plant Establishment Factors
Factor
^Tillage system
Previous crop

A

B

(Oct 2013)

reduc...
Questions?
Soybean production update
Soybean production update
Soybean production update
Soybean production update
Soybean production update
Soybean production update
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Soybean production update

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A brief review of selected NDSU soybean production management trials conducted in 2013.

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  • {"23":"Less broadcast P available due to reduced rainfall and dry topsoil during season?\n","25":"Yield response 17% of trials.\n","15":"CREC Plant stand: early = 130K; midMay = 151K\n"}
  • Soybean production update

    1. 1. 2013 Soybean Production Update Greg Endres, Extension area agronomist NDSU Carrington Research Extension Center gregory.endres@ndsu.edu 701-652-2951
    2. 2. •South-central ND season review •Plant establishment •Timing of weed control
    3. 3. inches May-Sep monthly rainfall, Southcentral ND, 2013
    4. 4. Soybean Establishment Study, CREC, 201113 • 2 tillage systems – conventional and direct seed (‘no-till’) • 2 planting dates – multiple trials • 4 (planting time) fertilizer treatments – 6-24-6 applied on low-med P (7-9 ppm) and high-VH K (141-216 ppm) soil – untreated check, broadcast, 2-inch band • POST fungicide (2 of 4 reps) Funded by ND Soybean Council
    5. 5. May 30 July 22 conventional direct seed
    6. 6. Soybean Establishment Study, Carrington, 201113: SEED YIELD WITH TILLAGE SYSTEMS 60 52.5 51.8 50 40 40.8 * 45.9 45.3 45.2 43.4 * 40.8 conventional 30 direct seed 20 10 0 2011 2012 2013 3-yr ave Averaged across planting dates and fertilizer treatments
    7. 7. Soybean Establishment Studies, CREC, 2011-12: SEED YIELD WITH PLANTING DATES 60 50 40 53.7 43.5 * * 50.6 40.7 37.6 * 30 30.3 27.9 early 19.5 20 10 0 Carrington 2011 May 5/19 Carrington 2012 Apr 30/May 15 New Rockford Wishek 2012 2012 May 2/17 Apr 24/May 16 normal
    8. 8. Soybean Establishment Study, CREC, 2013: Planting dates May 29 June 12
    9. 9. Soybean Establishment Study, CREC, 2013: Planting dates – impact on plant development and agronomic factors Dates for plant development Planting dates Emergence Flower Maturity (R8) May 29 163 196 273 June 12 171 202 280 8 6 7 Plants/A Pod height Test weight Planting dates June 28 cm lb/bu May 29 134,740 2 53.7 June 12 129,430 4 52.1 Difference in days
    10. 10. Soybean Establishment Study, CREC, 2013: SEED YIELD WITH PLANTING DATES 50 43.1 42.9 40 30 29-May 12-Jun 20 10 0 Carrington Averaged across tillage systems and fertilizer treatments
    11. 11. Planting date x maturity group, Prosper, 2013 Planting dates: May 13 and 28 Maturity groups: 0.1 and 0.7 (DSR 0101 and 0747)
    12. 12. Planting date x maturity group, Prosper, 2013 Planting date Stand Yield plants/A bu/A Planting date May 13 146,560 45.8 May 13 May 28 165,620 40.4 Yield 0.1 46.0 0.7 May 28 Maturity group 45.7 0.1 38.2 0.7 42.5 bu/A
    13. 13. Planting date x maturity group, Wishek, 2013 Planting dates: May 24 June 6
    14. 14. Planting date (4) x variety (2), CREC, 2013 Burton Johnson
    15. 15. Soybean Establishment Study, CREC, 201113: SEED YIELD WITH PLANTING-TIME FERTILIZER 60 50 43.7 42.3 43.0 45.3 46.0 45.8 40 check 30 broadcast 2" band 20 10 0 2013 2011-13 P = low-med and K = high-VH. 6-24-6 applied as band at planting or broadcast PRE (not mechanically incorporated). Averaged across planting dates and tillage systems.
    16. 16. Soybean establishment study, CREC, 2013: 50 SEED YIELD WITH FUNGICIDE 1 44.5 30 20 unt reat ed check Priax or 10 1 0 bu/ A 40 41.5 4 fl oz/A at R3-4 stages
    17. 17. NDSU Soybean Foliar Fungicide Trials, 2004-13 (29 trials): 50 SEED YIELD 1 43.7 30 20 unt reat ed check fungicide 0 10 bu/ A 40 41.9 Headline or Priaxor applied primarily at R1-3 stages (V2-R4). Yield statistically significant (LSD 0.05) in 5 of 29 trials. 1 Source: Markell et al.
    18. 18. Soybean yield loss from weeds Timing of initial weed control Weed height Soybean stage At planting (soil application) VC-V2 (unifoliate to 1st 2 to 4 inches trifoliate) V2-V4 (2nd to 4th 6 to 8 inches trifoliate) V4-R2 (4th trifoliate to > 10 inches full flower) Untreated check NDSU: 4 site-years (2011-12). Soybean yield bu/A 48.0 46.9 45.2 37.7 19.3
    19. 19. Soybean timing of initial weed control, Carrington, 2013 early POST – June 21
    20. 20. July 11 – late POST
    21. 21. Soybean yield with timing of initial weed control, Carrington, 2013. 35 32.8 29.8 30 Bu/A 25 LSD (0.05): NS 27.4 22.9 22.7 20 check at planting 15 ePOST 10 lPOST mPOST 5 0 Carrington
    22. 22. Soybean timing of initial weed control, NCREC (Minot), 2013 Sep 12
    23. 23. NDSU Research Summary of Soybean Plant Establishment Factors Factor ^Tillage system Previous crop A B (Oct 2013) reduced till Yield > (%) 7 conventional till NDSU trial site-years 19* wheat 7 soybean 6 no 6 Seed inoculation with soybean history Seed fungicide yes yes 10 no 19 ^Planting date < early May 13 mid May 4 150-175,000 14-21 5 5 100-130,000 28-30 20 19 broadcast 0 5* at planting 5 band (away from seed) early POST Planting rate (pls/A) Row spacing (inch) ^P at planting time ^Timing of Weed Removal 0 5* *Data from trials conducted during 1999-2013
    24. 24. Questions?

    ×