Fertility on a Budget Brian Arnall Precision Nutrient Management | - - PowerPoint PPT Presentation
Fertility on a Budget Brian Arnall Precision Nutrient Management | Oklahoma State University 20 min Importance of Proper Fertility Multi- Nutrient Variable Application Much like a Ladder In-Season One Step at a Time. Cues Secondary
Precision Nutrient Management | Oklahoma State University
20 min
Soil pH P & K N & S
Secondary & Micros Multi- Nutrient Variable Application In-Season Cues
Nutrient response curve based on soil test, Rutgers Cooperative Extension.
PSS‐2266 Fertilization Based on Sufficiency, Build‐up and Maintenance Concept
Build‐up maintain fertilizer scheme suggested by the Ohio State University.
PSS‐2266 Fertilization Based on Sufficiency, Build‐up and Maintenance Concept
Yield Wheat Corn Soybean 20 8 8 16 40 16 15 32 60 24 23 48 80 32 30 64 100 40 38 80 125 50 48 100 150 60 57 120 175 70 67 140 200 80 76 160
0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
Percent Stand, compared to check.
Billings 14 Enid 14 RedRock14 Irrigated 14 Dryalnd 15 Irrigated 15
0.4 0.6 0.8 1.0 1.2 1.4
Percent Yield, compared to check.
Billings 14 Enid 14 RedRock 14 Irrigated 14 Dryland 15 Irrigated 15
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