Markus Braaten. Elston D. Solberg. Director of Agri-Knowledge Agri-Trend. US Director of Agri-Knowledge Agri-Trend USA
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1 Water Drives Everything!! So Make Every Drop Count Elston D. Solberg Director of Agri-Knowledge Agri-Trend Markus Braaten US Director of Agri-Knowledge Agri-Trend USA
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3 Food, Fibre and Fuel
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5 Uptake (lbs/a)
6 Spread Nutrients Out Over Time & Space Time Fall/winter Spring At Seeding In crop Space With seed Near seed Mid row On top Broadcast Streams/band
7 Mimicking Mother Nature... Fertilizer Placement and Other Strategies to Achieve Season Long Crop Nutrition
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9 WUE, NUE 1 of rain N grows 130 lbs of wheat grain
10 WUE, NUE 1 lb of fertilizer N grows 40 lbs of wheat grain
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12 Three most essential, but often unmanaged, inputs to crop production?
13 Maximizing Photosynthetic Efficiency Oxygen Nitrogen Hydrogen Carbon 6CO 2 + 6H 2 O C 6 H 12 O 6 + 6O 2 Nitrogen Potassium Magnesium Zinc Calcium Chloride Phosphorus Oxygen Sulfur Manganese Copper Boron Iron Molybdenum
14 Our Job Maximize the conversion of solar energy into energy stored in agricultural produce. BUT IT S MORE THAN THAT Lysine C 6 H 14 N 2 O 2 Methionine C 5 H 11 NO 2 S Cysteine C 3 H 7 NO 2 S Optimize the amount of the other essential nutrients like protein, minerals and vitamins that ends up in the foods we produce.
15 Water Use Efficiency 1 st 4 goes to the factory unless you re corn & the 1 st 8 goes to the factory Every 1 after that goes to yield Prof. Les Henry Water in the soil is $$ in the Bank! Nobody measures it!!
16 Crop Water Use Efficiency & Management
17
18 The Right 7 Factors N S Cl B P K Ca Mg Cu Fe Mn Zn 4R s 3 Balance & Synergy 1 ROOTS Root Dominance 2 SHOOTS Optimal Density
19 Which Fish do we Fry 1 st?
20
21 Compaction in Field Near You
22 Sub Field ph Variability Biggest Fish
23 Buffer ph %BS Ca Al Mn Mo Root Growth NUE, WUE
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25 Mike Dolinski Senior Agri-Coach 3 days wheat
26 High Al, wheat 15 days 52 F
27 High Al, wheat 15 days 52 F
28 High Al, wheat 15 days 52 F
29 The 7R s of Yield, Quality, Maturity, Profitability and Sustainability
30
31 Think Like a Plant
32 The 1 st thing a young plant wants to do is..... GROW ROOTS!!
33 Growing Roots 80% of a plants biomass in below the soil surface Each plant only explores ~2% of the soil volume that supports it
34 Nutrient Mobility In Soil: In Plant: Very Mobile: Nitrate, Sulfate, Chloride & Boron Moderately Mobile: Ammonium, Potassium, Calcium, Magnesium, Molybdenum Immobile: Phosphorus, Copper, Iron, Manganese & Zinc Mobile: Nitrogen, Phosphorus, Potassiu Magnesium, Molybdenum, Chloride Immobile: Boron, Calcium, Copper, Iron, Manganese, Nickel, Sulfu
35 Nutrient Uptake
36 The 2 nd thing a young plant wants to do is..... GROW SHOOTS!!
37 Planting Considerations More Plants = More Photosynthesis Other Considerations Row Spacing SBU Yield Environment
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39
40 Spike Count/ft2
41 Think of Your Crop as a Solar Panel Radiation Adsorption CO 2 Assimilation Focus on: Early Rooting Early Chlorophyll Results in: Improved WUE & NUE More yield & quality Rapid Maturity
42 Think Solar Panels!! Think Early Chlorophyll! Find Synergy!! Think Magnesium (Mg) Think Cu and Mn catalysts A big solar panel: hastens maturity, competes with weeds, hedges bets to higher yield & quality
43 Leaf Green Area Index What the heck is this?? How much solar panel is created quickly per unit area of soil surface being cropped/
44 GAI & WUE
45 Water Drives Everything!! So Make Every Drop Count
46 Let s Connect a Few Thoughts
47
48
49 Crop Available Water per Foot of Wet Soil CEC
50 Crop Water Use Efficiency and Management
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52
53
54 Breton No-Till est. 1982, sampled 1999 OM
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