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Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
Soybean Endres
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Soybean Endres

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Soybean discussion on establishment, weed control and special inputs.

Soybean discussion on establishment, weed control and special inputs.

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  • Plant stand: Conv = 137K, DS = 145K.
  • CREC Plant stand: early = 130K; midMay = 151K
  • Less broadcast P available due to reduced rainfall and dry topsoil during season?
  • 6% high vs low.
  • 6% high vs low.
  • *Flex = east of H281; micro-rate (Rezult+Flex+Rap+cleth+MSO) = small weeds (<1-2”), sequential; Lib = LL soy, small weeds ( < 3”)
  • Do special products increase yield and if yes, economically?
  • 3 categories of products applied at different times. Different varieties and response?
  • Inoculated seed, 30-inch rows
  • 6-state, 18 sites/yr, 3 yr study
  • Transcript

    • 1. 2013 SoybeanProduction Update Greg Endres, Extension area agronomist NDSU Carrington Research Extension Center gregory.endres@ndsu.edu 701-652-2951
    • 2. •Plant establishment•Weed management•Special inputs
    • 3. NDSU Research Summary of Soybean Plant Establishment Factors (August,2012)Factor A Yield > B NDSU trial (%) site-yearsTillage system Reduced till 9 conventional till 17Previous crop wheat 7 soybean 6Seedinoculationwith soybean yes pending no ?historySeed fungicide yes 11 no 18Planting date < early May pending mid May 2Planting rate(pls/A) 150-175,000 5 100-130,000 18Row spacing 14-21 5 28-30 19(inch)P at planting broadcast 4 band (away from 2time seed)Timing of Weed PRE 3 early POST 2Removal
    • 4. Soybean Establishment, CREC, 2011-12• 2 tillage systems – conventional and direct seed (‘no-till’)• 2 planting dates – 2011: May 5 & 19; 2012: April 30 & May 15• 4 (planting time) fertilizer treatments – 6-24-6 applied on med P (8/9 ppm) and high K (216/178 ppm) soil – untreated check, broadcast, 2x0-inch band, and mid-row band• POST Headline fungicide (2 of 4 reps) Funded by ND Soybean Council
    • 5. Soybean Establishment Study Carrington, 2011-12:SEED YIELD WITH TILLAGE SYSTEMS 60 52.5 51.8 50 43.4 40.8 40 * 30 conventional direct seed 20 10 0 2011 2012
    • 6. Soybean Establishment Studies, CREC, 2012:SEED YIELD WITH PLANTING DATES 53.7 50.6 50 * 40 37.6 * 30.3 30 27.9 early * normal 19.5 20 10 0 Carrington New Rockford Wishek Apr 30/May 15 May 2/17 Apr 24/May 16
    • 7. Soybean Establishment Study, CREC, 2011-12:SEED YIELD WITH STARTER FERTILIZER. 60 51.8 51.7 52.5 52.5 50 43.9 42.0 41.9 40.4 40 check 30 broadcast 2x0 band 20 mid-row band 10 0 2011 2012 P = med and K = high. 6-24-6 applied as band at planting or broadcast PRE.
    • 8. Soybean Timing of Weed Removal, 2012 Carrington (June 13) Langdon (Aug 20)
    • 9. Soybean yield with timing of weed removal, Carrington and Langdon, 2012. LSD (0.05): 7.0 LSD (0.05): 6.6 60 50 47.1 45.5 47.5 47.8 46.4 42.6 39.3 40 check at plantingBu/A 30 25.1 ePOST mPOST 20 12.5 13.7 lPOST 10 0 Carrington Langdon
    • 10. Soybean yield loss from weedsTiming of initial weed control Soybean yieldWeed height Soybean stage bu/AAt planting (soil application) 48.0 VC-V2 (unifoliate to 1st2 to 4 inches trifoliate) 46.9 V2-V4 (2nd to 4th6 to 8 inches trifoliate) 45.2 V4-R2 (4th trifoliate to> 10 inches full flower) 37.7Untreated check 19.3NDSU: 4 site-years (2011-12).
    • 11. NDSU Research Summary of Soybean Plant Establishment Factors (Nov 2012)Factor A Yield > B NDSU trial (%) site-years^Tillage system Reduced till 8 conventional till 18*Previous crop wheat 7 soybean 6Seedinoculationwith soybean yes pending no ?historySeed fungicide yes 10 no 19*^Planting date < early May 13 mid May 4*Planting rate(pls/A) 150-175,000 5 100-130,000 20*Row spacing 14-21 5 28-30 19(inch)^P at planting broadcast 0 band (away from 4*time seed)^Timing of At planting 2 early POST 4*Weed Removal
    • 12. Options of soil-applied herbicides, with residualcontrol, for glyphosate-resistant kochia in soybean • Sulfentrazone –e.g. Authority MTZ, Broadaxe, Spartan Charge • Valor • Sharpen, Verdict (+ Zidua)
    • 13. POST herbicide options for glyphosate-resistant kochia control in soybean• Flexstar*• NDSU micro-rate*• Liberty**use restrictions
    • 14. What can we do toprofitably increasesoybean seed yield inaddition to using bestmanagement practices?
    • 15. Soybean response to special inputs 1 , Carrington, 2005-12FERTILIZER PESTICIDES GROWTH PROMOTERSfarmer fertilizer blend  Headline (+ Fastac) RatchetQuickroots; Liquid sufl/  Stratego Pro/YLD Soil Builder; Ag blend (+can/soy mix Leverage) Bin Buster XP; KQ-XRN6-0-0-9 (Zn)  Priaxor (+ Fastac) X-tra Power; Sugar Mover9.5-0-0-5-10 (Zn)  Quilt Xcel (+ Warrior T)  MegaGro; HappyGroMax-In; Max-In MnNF;  Winfield Leverage) Evito (+  SeedProd; CropProdSolutions experimentals Cobra   BTN+; T1UAN  Makaze Yield Pro (GP)  BioForge; Golden HarvestCoRon; zinc Plus GAMicro500; Sure-K  NBSEB mix  N-Hibit; ProActSugar  Foliar BlendMicroMixMoly Yellow = foliar products used in 2012. RR soybean: 2005-06=RG200RR, 2007=NT-0090, 2008-12=DSR0401. 1 Study partially funded by private industry
    • 16. Special foliar inputs for soybean, Carrington, 2012. (irrigated; 18 trts vs untreated checks; 4 reps) Soil  adequate nutrient levels (med or higher) except Cl (VL) and Na (low)  7.7 pH; 3.6% organic matter; low soluble salts and VL carbonates Application timing  V2 and/or R1-3 soybean stages 1. Fertilizers 2. Fungicides no yield increase with any treatment 3. Growth promoters Yield of untreated check = 56.6 bu/acre
    • 17. Soybean performance with special inputs,Carrington, 2005-12. Response vs. untreated check 1 Yield of Number of untreated Seed TestYear Environment treatments check yield weight Protein bu/A bu/A lb/bu %2005 16 36.7 *2006 dryland 21 26.22007 15 58.02008 16 47.3 NS2009 15 51.2 NS NS irrigated2010 19 51.62011 19 42.1 * (-)2012 18 56.6 NS*=statistically significant (0.05); NS=no difference in factor compared to untreated check.1Details at www.ag.ndsu.edu/CarringtonREC/
    • 18. Soybean special input study, CREC, 2005-12: SEED YIELD WITH PRODUCT COMBINATIONS (3-6/YR) 1 60 50 46.3 47.1 40 unt reat ed checkbu/ A 30 product com binat ion 20 10 01 No statistical difference (LSD 0.05) each year of 8 trials.2012 mixture: BinBuster XP (V2)/ Headline + Fastac (R3)
    • 19. Soybean intensive mgmt study, NDSU, 8 site-yr (2008-11) 1 :SEED YIELD and HIGHEST NET RETURN with rowspacing, planting rate and foliar inputs . (bushels/acre) $ $ 14 14 14 14 28 28 28 28 150 150 200 200 150 150 200 200 N Y N Y N Y N Y1 LSD (0.05) = NS for each site-yr Endres, Kandel et al.
    • 20. Questions?

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