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<blockquote data-quote="jedstivers" data-source="post: 675842" data-attributes="member: 8873"><p>Evaluation of Nontraditional Fertilizers for Bermudagrass Forage Yield</p><p>Dr. John Jennings, Professor, Kenny Simon, Program Associate, Dr. John Boyd, Professor, Dr. Leo Espinoza, Assistant Professor, and Dr. Shane Gadberry, Assistant Professor</p><p></p><p>High fertilizer prices have caused many producers to look for alternatives to reduce costs. Nontraditional fertilizers are being marketed with low recommended application rates making cost per acre appealing to producers. These products are often marketed based on testimonials with little or no research data for forage production. In the summer of 2008, we conducted a trial to compare three nontraditional fertilizers with urea, ammonium nitrate and liquid urea for effect on bermudagrass dry matter yield.</p><p></p><p>Methods: Fertilizer treatments were applied to 10' x 25' plots in a common bermudagrass hay meadow in Faulkner County, Arkansas. Treatments were applied on 6/27/08, and plots were harvested on 7/28/08 to simulate hay production and on 8/7/08 with subsequent harvest on 10/17/08 to simulate stockpiled bermudagrass pasture production. Rainfall occurred within 24 hours of fertilizer application for both dates. Plots were sprayed with 2,4-D on 6/27/08 for broadleaf weed control. Fertilizer treatments were ammonium nitrate, urea, liquid urea, Monty's Plant Food (analysis 8-16-8), Fish Emulsion (analysis 5-1-1) and Sea 90 Mineral (analysis at <a href="http://www.seaagri.com/" target="_blank">http://www.seaagri.com/</a>). Application rates were ammonium nitrate, urea and liquid urea - 75 lb/acre of N; Fish Emulsion - 4 gallons/acre; Sea 90 Mineral - 2 lb/acre; and Monty's Plant Food - 1.5 pints/acre. The nontraditional products were foliar applied alone at labeled recommended rates and also in combination with urea at 75 lb/acre N. Nitrogen content and total nitrogen applied per acre for each product are shown in Table 1. All treatments and combinations were replicated four times. All plots received P and K fertilizer on 6/26/08 according to soil test recommendations for bermudagrass hay at a 4 ton/acre yield goal (x-92-240 per acre). Dry matter yield results are presented in Table 2.</p><p></p><p>Table 1. Nitrogen content and total nitrogen applied</p><p>for the fertilizer products used in this trial</p><p></p><p>Treatment</p><p> % N</p><p> lb N/unit</p><p> lb N applied/acre</p><p> </p><p>Ammonium Nitrate 34% 680 lb/ton 75 lb/ton </p><p>Urea 46% 920 lb/ton 75 </p><p>Liquid Urea 23% 2.5 lb/gal 75 </p><p>Monty's Plant Food 8% 0.9 lb/gal 0.2 </p><p>Fish Emulsion 5% 0.6 lb/gal 2.4 </p><p>Sea 90 Mineral 0% 0 lb/ton 0 </p><p></p><p>Table 2. Evaluation of nontraditional fertilizers</p><p>for bermudagrass yield</p><p></p><p>Treatment</p><p> July* </p><p> October </p><p> Total Yield</p><p> </p><p>Dry Matter Yield (lb/acre)**</p><p> </p><p>Ammonium Nitrate 3229 A 4244 A 7474 A </p><p>Urea 2872 AB 3722 AB 6595 AB </p><p>Liquid Urea (23% N) 2877 AB 3546 B 6423 AB </p><p>Urea + Monty's Plant Food 2919 AB 3412 B 6332 B </p><p>Urea + Fish Emulsion 2619 B 3670 AB 6289 B </p><p>Urea + Sea 90 Mineral 2913 AB 3300 B 6212 B </p><p>Monty's Plant Food 928 C 1526 C 2455 C </p><p>Fish Emulsion 965 C 1307 C 2273 C </p><p>Sea 90 Mineral 847 C 1178 C 2025 C </p><p>Untreated Check 745 C 1127 C 1873 C </p><p></p><p>* July: treatments applied 6/27/08 and harvested 7/28/08; October: treatments applied 8/7/08 and harvested 10/17/08.</p><p>** Treatments followed by the same letter are not significantly different at the 0.05 level.</p><p></p><p>Results: Bermudagrass dry matter yield for both harvests was significantly increased by application of N as ammonium nitrate, urea and liquid urea compared to the untreated check treatment (Table 2). Urea and liquid urea were not statistically different than ammonium nitrate but produced 10% to 16% less dry matter. Dry matter yield for Monty's Plant Food, Sea 90 Mineral or Fish Emulsion applied alone was not different than the untreated check treatment for either harvest. Addition of 75 lb/acre urea with these products did not increase dry matter yield over urea alone. The urea/fish emulsion combination yielded statistically less (19%) on the July harvest than ammonium nitrate, but the reason for this difference is not known. Results show that the nontraditional fertilizers (Monty's Plant Food, Sea 90 Mineral and Fish Emulsion) did not improve bermudagrass dry matter yield when applied alone or in combination with urea. Liquid urea and urea were effective for improving dry matter yield but produced 10% to 16% less bermudagrass dry matter than ammonium nitrate.</p><p></p><p></p><p><a href="http://www.aragriculture.org/News/animal_science_enews/2009/july2009.htm#Bermudagrass" target="_blank">http://www.aragriculture.org/News/anima ... rmudagrass</a></p><p>The chart wouldn't show on here so this is the link.</p><p>--------------------------------------------------------------------------------</p></blockquote><p></p>
[QUOTE="jedstivers, post: 675842, member: 8873"] Evaluation of Nontraditional Fertilizers for Bermudagrass Forage Yield Dr. John Jennings, Professor, Kenny Simon, Program Associate, Dr. John Boyd, Professor, Dr. Leo Espinoza, Assistant Professor, and Dr. Shane Gadberry, Assistant Professor High fertilizer prices have caused many producers to look for alternatives to reduce costs. Nontraditional fertilizers are being marketed with low recommended application rates making cost per acre appealing to producers. These products are often marketed based on testimonials with little or no research data for forage production. In the summer of 2008, we conducted a trial to compare three nontraditional fertilizers with urea, ammonium nitrate and liquid urea for effect on bermudagrass dry matter yield. Methods: Fertilizer treatments were applied to 10' x 25' plots in a common bermudagrass hay meadow in Faulkner County, Arkansas. Treatments were applied on 6/27/08, and plots were harvested on 7/28/08 to simulate hay production and on 8/7/08 with subsequent harvest on 10/17/08 to simulate stockpiled bermudagrass pasture production. Rainfall occurred within 24 hours of fertilizer application for both dates. Plots were sprayed with 2,4-D on 6/27/08 for broadleaf weed control. Fertilizer treatments were ammonium nitrate, urea, liquid urea, Monty's Plant Food (analysis 8-16-8), Fish Emulsion (analysis 5-1-1) and Sea 90 Mineral (analysis at [url=http://www.seaagri.com/]http://www.seaagri.com/[/url]). Application rates were ammonium nitrate, urea and liquid urea - 75 lb/acre of N; Fish Emulsion - 4 gallons/acre; Sea 90 Mineral - 2 lb/acre; and Monty's Plant Food - 1.5 pints/acre. The nontraditional products were foliar applied alone at labeled recommended rates and also in combination with urea at 75 lb/acre N. Nitrogen content and total nitrogen applied per acre for each product are shown in Table 1. All treatments and combinations were replicated four times. All plots received P and K fertilizer on 6/26/08 according to soil test recommendations for bermudagrass hay at a 4 ton/acre yield goal (x-92-240 per acre). Dry matter yield results are presented in Table 2. Table 1. Nitrogen content and total nitrogen applied for the fertilizer products used in this trial Treatment % N lb N/unit lb N applied/acre Ammonium Nitrate 34% 680 lb/ton 75 lb/ton Urea 46% 920 lb/ton 75 Liquid Urea 23% 2.5 lb/gal 75 Monty's Plant Food 8% 0.9 lb/gal 0.2 Fish Emulsion 5% 0.6 lb/gal 2.4 Sea 90 Mineral 0% 0 lb/ton 0 Table 2. Evaluation of nontraditional fertilizers for bermudagrass yield Treatment July* October Total Yield Dry Matter Yield (lb/acre)** Ammonium Nitrate 3229 A 4244 A 7474 A Urea 2872 AB 3722 AB 6595 AB Liquid Urea (23% N) 2877 AB 3546 B 6423 AB Urea + Monty's Plant Food 2919 AB 3412 B 6332 B Urea + Fish Emulsion 2619 B 3670 AB 6289 B Urea + Sea 90 Mineral 2913 AB 3300 B 6212 B Monty's Plant Food 928 C 1526 C 2455 C Fish Emulsion 965 C 1307 C 2273 C Sea 90 Mineral 847 C 1178 C 2025 C Untreated Check 745 C 1127 C 1873 C * July: treatments applied 6/27/08 and harvested 7/28/08; October: treatments applied 8/7/08 and harvested 10/17/08. ** Treatments followed by the same letter are not significantly different at the 0.05 level. Results: Bermudagrass dry matter yield for both harvests was significantly increased by application of N as ammonium nitrate, urea and liquid urea compared to the untreated check treatment (Table 2). Urea and liquid urea were not statistically different than ammonium nitrate but produced 10% to 16% less dry matter. Dry matter yield for Monty's Plant Food, Sea 90 Mineral or Fish Emulsion applied alone was not different than the untreated check treatment for either harvest. Addition of 75 lb/acre urea with these products did not increase dry matter yield over urea alone. The urea/fish emulsion combination yielded statistically less (19%) on the July harvest than ammonium nitrate, but the reason for this difference is not known. Results show that the nontraditional fertilizers (Monty's Plant Food, Sea 90 Mineral and Fish Emulsion) did not improve bermudagrass dry matter yield when applied alone or in combination with urea. Liquid urea and urea were effective for improving dry matter yield but produced 10% to 16% less bermudagrass dry matter than ammonium nitrate. [url=http://www.aragriculture.org/News/animal_science_enews/2009/july2009.htm#Bermudagrass]http://www.aragriculture.org/News/anima ... rmudagrass[/url] The chart wouldn't show on here so this is the link. -------------------------------------------------------------------------------- [/QUOTE]
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