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Super Phos, Super Nitro Report on Spring Wheat Yield and Quality, Research Report (HG)

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1331 W. Houston Avenue, Gilbert, AZ 85233 | 800.961.1220 | Fax 480.425.3061 | info@humagro.com | www.humagro.com ©2017, Trademarks and registered trademarks are property of Bio Huma Netics, Inc. Research Report SUPER PHOS ® and SUPER NITRO ® Improve Spring Wheat Grain Yield and Quality Research by Olga Walsh, PhD, University of Idaho Objective The objectives of this study were: (1) to compare the Micro Carbon Technology ® -based phosphorus (P) product Super Phos ® (SP) with traditional phosphorus (P) fertilizers ammonium polyphosphate (APP), and diammonium phosphate (DAP); and (2) to compare the Micro Carbon Technology ® -based nitrogen (N) product Super Nitro ® (SN) with the traditional nitrogen fertilizer, UAN. Materials and Methods A field experiment of spring wheat was conducted near Conrad, Mont. The P and N fertilizers were compared for effectiveness on yield, grain test weight, and biomass weight for two different application methods—side-dress and foliar— and two different rate/times as indicated in the following table: Treat- ment (Trt) N Fertilizer P Fertilizer Source* Target Rate, lb N/ ac Time Method Source App. Rate, lb P 2 O 5 / ac Time Method 1 n/a 0 n/a n/a n/a 0 n/a n/a 2 UAN 150 seeding sidedress n/a 0 n/a n/a 3 SN 130 seeding sidedress SP 30 seeding side- dress SN 20 tillering foliar 4 SN 130 seeding sidedress SP 15 tillering foliar SN 20 tillering foliar 5 UAN 130 seeding sidedress APP 30 seeding side- dress UAN 20 tillering foliar 6 UAN 130 seeding sidedress APP 15 tillering foliar UAN 20 tillering foliar 7 UAN 130 seeding sidedress DAP 30 seeding side- dress UAN 20 tillering foliar 8 UAN 130 seeding sidedress DAP 15 tillering side- dress UAN 20 tillering foliar * SN = Super Nitro ® ; UAN = UAN-32; SP = Super Phos ® ; APP = ammonium polyphosphate; DAP = diammonium phosphate HG-170621-01 Conclusions Huma Gro ® Super Nitro ® followed by 30 lb P 2 O 5 per acre of Super Phos ® (Treatment #3) contributed to the highest grain test weights, biomass, and yield. This study also indicates that Super Phos ® is less corrosive and less likely to cause damage to the seeds as a dribble and suggests that Super Phos ® could be applied with the seed at a higher rate compared with other P sources. Results Figure 3. Spring Wheat Grain Yield as a Function of P and N Fertilizer Source, Rate, Time, and Placement 20 30 40 50 60 70 80 Spring Wheat Grain Yield (bushels/acre) Fertilizer Source (lb N or lb P 2 O 5 /acre) 90 0 10 Trt #3 130 SN 20 SN till 30 SP seed Trt #7 130 UAN 20 UAN till 30 DAP seed Trt #6 130 UAN 20 UAN till 15 APP till Trt #4 130 SN 20 SN till 15 SP till Trt #8 130 UAN 20 UAN till 15 DAP till Trt #2 150 UAN all seed Trt #1 Unfertilized Check Trt #5 130 UAN 20 UAN till 30 APP seed 56.9 56.8 57.5 59.0 60.2 66.8 70.2 79.6 Figure 2. Spring Wheat Biomass Weight as a Function of P and N Fertilizer Source, Rate, Time, and Placement 10 2 8 12 16 Spring Wheat Biomass weight, oz Fertilizer Source (lb N/ac or lb P 2 O 5 /ac) 0 4 Trt #3 130 SN 20 SN till 30 SP seed Trt #7 130 UAN 20 UAN till 30 DAP seed Trt #6 130 UAN 20 UAN till 15 APP till Trt #4 130 SN 20 SN till 15 SP till Trt #8 130 UAN 20 UAN till 15 DAP till Trt #2 150 UAN all seed Trt #1 Unfertilized Check Trt #5 130 UAN 20 UAN till 30 APP seed 8.5 6.6 8.9 11.8 12.6 12.8 13.6 15.5 6 14 Figure 1. Spring Wheat Grain Test Weight as a Function of P and N Fertilizer Source, Rate, Time, and Placement 60 56 59 61 Spring Wheat Grain Test Weight, lb/bu Fertilizer Source (lb N/ac or lb P 2 O 5 /ac) 55 57 Trt #3 130 SN 20 SN till 30 SP seed Trt #7 130 UAN 20 UAN till 30 DAP seed Trt #6 130 UAN 20 UAN till 15 APP till Trt #4 130 SN 20 SN till 15 SP till Trt #8 130 UAN 20 UAN till 15 DAP till Trt #2 150 UAN all seed Trt #1 Unfertilized Check Trt #5 130 UAN 20 UAN till 30 APP seed 57.9 57.6 57.9 58.6 59.1 59.4 59.8 60.7 58

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