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Huma Gro Ultra-Precison Blend and Fumigation Replacement On Strawberries, Pacific Ag Research, Field Study (HG) ENG

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1331 W. Houston Avenue, Gilbert, AZ 85233 | 800.961.1220 | Fax 480.425.3061 | info@humagro.com | www.humagro.com ©2019, Trademarks and registered trademarks are property of Bio Huma Netics, Inc. Huma Gro ® Nutrient and Fumigation Replacement Program Increases Strawberry Yields 97% Field Trial Conducted by: Pacific Ag Research Huma Gro ® Products: Ultra-Precision™ Blend (Fresca CA Strawberry Mix), Promax ® , and Zap ® Objective This field trial assessed the effects on strawberry yields of replacing field fumigation with periodic applications of Huma Gro ® Promax ® and Zap ® and replacing a grower's standard fertilizer program with irrigation-applied Ultra-Precision™ blended liquid Huma Gro ® crop nutrition products. Materials & Methods This trial was conducted in Arroyo Grande, Calif., using Portola strawberries planted in 40' x 3.33' plots. There were 4 treatment programs studied, set up in a randomized-block design replicated 6 times. The strawberries were planted on June 30 and harvested weekly from Sept. 18 through Dec. 19. The four trial programs compared pre-plant fumigation (PicClor 60) with periodic applications of Huma Gro ® Promax ® and Huma Gro ® Zap ® . It also compared a Grower's Standard fertilizer program with a pre-mixed Ultra-Precision™ blended liquid fertilizer program of Huma Gro ® products (Fresca CA Strawberry Mix Ultra-Precision™ Blend) selected specifically for strawberries and applied through drip irrigation. The Grower's Standard fertilizer program included the following: 18-6-12 Osmocote Slow Release, 600 lb/ac, applied 1x; CAN 17, 10 gal/ac, 4x; 7-7-7, 20 gal/ac, 2x; Calcium nitrate, 10 lb,ac, 8x; Multi K (13-0-46), 10 lb/ac, 8x; Microplex, 1 lb/ac, 8x; Monterey Maxi (6- 30-30), 10 lb/ac, 3x; and 20-20-20, 10 lb/ac, 3x. The 4 trial programs were as follows: 1. • No fumigation—Promax ® at 2 gal/ac, soil-applied preplant and 5 additional times during the season. Zap ® at 1 gal/ac applied 1 week after each Promax ® application. • Huma Gro ® Ultra-Precision™ Blend at 5.32 gal/ac irrigation-applied twice a week for 22 weeks beginning July 6 until final harvest. 2. • Fumigation—PicClor 60 at 25 gal/ac applied once 3 weeks prior to planting • Huma Gro ® Ultra-Precision Blend at 5.32 gal/ac irrigation-applied twice a week for 22 weeks beginning July 6 until final harvest. 3. • Fumigation—PicClor 60 at 25 gal/ac applied once 3 weeks prior to planting • Grower's Standard fertilizer program 4. • No fumigation—Promax ® at 2 gal/ac, soil-applied preplant and 5 additional times during the season. Zap ® at 1 gal/ac applied 1 week after each Promax ® application. • Grower's Standard fertilizer program The strawberries were picked 14 times during the growing season, and measurements were made at each picking and results calculated cumulatively of trays picked per acre, marketable utilization of berries, yield (by weight), and price paid per yield. Results As can be seen in Figure 1, Treatment 1 (all Huma Gro ® , no fumigation) produced the highest marketable yield (23,403 lb/ ac), a 97% higher marketable yield than the control, Treatment 3 (fumigation plus grower's standard fertilizer program, with a yield of 11,891 lb/ac). Treatment 4 had the second highest marketable yield in the trial (19,119 lb/ac), also using the Huma Gro ® fumigation replacement of Promax ® and Zap ® but using the Grower's Standard fertilizer program. (See page 2 for additional results.) Conclusions This trial and others demonstrate that the use of Huma Gro ® Promax ® and Zap ® can achieve high yields on Portola strawberries in California, even without traditional fumigation. Treatments with Promax ® and Zap ® , which were applied via irrigation, have the advantage over traditional fumigation in that they are nontoxic, have no reentry interval, and could be applied at any time during the growing season. This is a tremendous advantage over traditional fumigation. This trial also demonstrates that the Huma Gro ® Ultra-Precision™ blend of liquid fertilizers applied through irrigation resulted in yields superior to the grower's standard fertilizer program. The combination of Huma Gro ® Ultra-Precision™ blend of liquid fertilizers plus the Huma Gro ® fumigation replacement products of Promax ® and Zap ® (Treatment 1) increased yields by 97% over the control (Treatment 3). Treatment 3: Fumigation—PicClor 60 Grower's Standard 23,403 Marketable Fruit Yield, lb/ac Figure 1. Total Marketable Strawberry Yield lb/ac, by Treatment 5,000.00 0.00 10,000.00 15,000.00 20,000.00 25,000.00 Treatment 1: No Fumigation—Promax® + Zap Huma Gro® Nutrient Blend Treatment 4: No Fumigation—Promax® + Zap® Grower's Standard Fertilizer Program Treatment 2: Fumigation—PicClor 60 Huma Gro® Nutrient Blend 19,119 16,341 11,891 A B C D Page 1 of 2 HG-190227-01

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