Sustainable Agronomy Deb Gangwish PG Farms & The Diamond G - - PowerPoint PPT Presentation

Grower Perspective: Sustainable Agronomy

Deb Gangwish PG Farms & The Diamond G June 26, 2018

About Us…

• Family Farm – Corn, Seed Corn Soy, Custom Seed Harvest, Trucking Company, Ranch and

Backgrounding lot. Geographically diverse farm.

• Great Team – 22 FT Employees, 15 PT Employees we are a “Farmly”
• Storage and drying facilities at each farm totaling a bit over 2 M Bushels,
• 100% pivot irrigated, all have telemetry, all but 4 on power district load control = 50%

energy savings

• No-till since 1994 various cover crops for 15 years
• Soil Health Partnership Farmer – Till vs. No-till Trials on Diamond G
• FT Agronomist part of our

team – Paramount!!!

• Industry partner for beta

testing, on farm field trials

• Many SMART farming

practices – Climate Field View, Precision Planting, Exactrix OPI – grain monitoring, Zimmatic Drying system,

• Always searching for ways

to enhance efficiencies

Sustain inabilit ity To PG Farms & The Dia iamond G

• The Balanced Use of Available Resources to Achieve

the Best Environmental, Social and Economic Outcomes.

Farmers + Agronomists = Sustainable Ag

Sustainability is is a Jo Journey of f Generations

Co Consumers are Demandin ing Su Sustain inable le Ag and Technolo logy is is Our r Game Ch Changer.

Always Remember The WHY…

Humankind and Their Relationships Drive Innovation – The Human Factor is Key In All We Do!

A Few Li Links to Resources to Help Us Share th the In Incredible St Story of f Modern Agriculture

The Soil Health Partnership – SoilHealthPartnership.org The Soil Health Institute – soilhealthinstitute.org Take Action Pest Resistance Management – Iwilltakeaction.com 4 R Nutrient Stewardship – nutrientstewardship.com CropLife America – croplifeamerica.org GMO Answers – gmoanswers.com Genetic Literacy Project – geneticliteracyproject.org U.S. Farmers & Ranchers Alliance – usfarmersandranchers.org Aquamart – aquamart.org Exactrix –exactrix.com

Farmer Perspective on Sustainable Agriculture

Clay Mitchell Fall Line Capital June 26, 2018

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BLACK BELT T COUNT NTIE IES

DEERBROO RBROOK – 2615 TOTAL ACRES RES

203 ac under water 1,709 ac-ft storage 171.936 cy excavation 4 200HP pump 1 40HP pump 11,350 GMP 11 Pivots (1,170 irrigated ac) 13,670 ft pivot machine 16 Pivots (1,737 irrigated ac) 21,950 ft pivot machine

soil loss soil accumulation soil accumulation

Number of Days by Daily Precipitation Intensity (1980-2016)

781 394 202 249 37 8 669 414 283 469 108 42 604 380 260 457 111 43 596 354 254 482 126 67 595 389 220 350 66 32 255 81 41 38 6 208 38 10 3 100 200 300 400 500 600 700 800 900

0.25 to 0.5 in 0.5 to 0.75 in 0.75 to 1 in 1 to 2 in 2 to 3 in > 3 in Days

Daily PPT Intensity Ranges

RICE LAKE, WI COVINSTON, TN SHUBUTA, MS EUDORA, AR HOPKINSVILLE, KY GLASGOW, MT KENNEWICK, WA

8 40 1 1 41 2 65 2 28 3 1 10 20 30 40 50 60 70 3 to 6 in 6 to 9 in > 9 in

Days Daily PPT Intensity Ranges

RICE LAKE, WI COVINSTON, TN SHUBUTA, MS EUDORA, AR HOPKINSVILLE, KY GLASGOW, MT KENNEWICK, WA

Number of Days by Daily Precipitation Intensity > 3 in (1980-2016)

General Information

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Summary

BREAKING ING THE WEED D RESIS ISTANCE TANCE CYCL CLE

INCREASED USE OF GLYPHOSATE LOW VOLUME LEADS TO DRIFT LOW VOLUME LEADS TO DRIFT HIGHER RELATIVE EFFICIANCY ON GRASSES WEED SHIFT IN NEWLY DISTURBED AREAS WEED APPEARANCE FOLLOWS CHARACTERISTIC PATTERN

Drift of spray into non-cropland border areas is well known as drift measurements under normal conditions vary from 1-15% of target application at 1m from the last spray nozzle. While shown to be highly predictable, drift is also highly variable because

• f dependence on droplet size in addition to wind speed and release height. While a

1000 micron droplet drifting 4.7 feet in a 3mph wind from a release height of 10 feet, a 5 micron droplet will travel 3 miles under the same conditions

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DICAMBA RESISTANT PIGWEED TRIAL

Through experimentation in the greenhouse, we selected a population of pigweed that is tolerant to herbicide dicamba at a field rate. This pigweed population was not found to be resistant to dicamba in nature or in any field.

GREENHOUSE EXPERIMENT DESIGNED TO EXAMINE POTENTIAL FOR FUTURE RESISTANCE

Researchers exposed three generations of dicamba-susceptible pigweed collected from the field to sublethal doses of dicamba (conditions for resistance development)

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RESISTANCE EVOLUTION

Field screening indicated that no major-effect resistance genes were present in 100 million individuals. Resistance was obtained by recurrent low-dose pyroxasulfone selection

• f multiple herbicide-resistant L. rigidum. The multiple-

resistant MR population showed a clear capacity to evolve pyroxafulfone resistance with >30% plant survival at 240 g ha-1 (2.4-fold the recommended rate after three generations of recurrent selection.)

DISTANCE TANCES INCRE REASING ING BY ORDER R OF MAGNITU NITUDE DE

US CORN & SOY BORDERS MOON APOGEE US COAST-TO-COAST EARTH CIRCUMFERENCE 500,000 1,000,000 1,500,000 2,000,000 2,500,000

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Thank you!