Full TGIF Record # 325178
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Web URL(s):https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/143175
    Last checked: 02/07/2023
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Thoms, Adam; Donelan, Thomas; Hatten, Chad; Gould, Thomas
Author Affiliation:Thoms: Presenting Author and Iowa State University; Donelan: Iowa State University; Hatten: Roquette America, Inc.
Title:Field evaluation of plant proteins for creeping bentgrass performance
Section:Turfgrass management and ecology poster (includes student competition)
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C05 turfgrass science
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Meeting Info.:Baltimore, Maryland: November 6-9, 2022
Source:ASA, CSSA, SSSA International Annual Meeting. 2022, p. 143175.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
# of Pages:1
Abstract/Contents:"Complex plant proteins rich in amino acids, peptides and other organic compounds have demonstrated improved growth characteristics both alone and in combination with urea. The objective of this experiment was to determine if complex plant protein products, rich in amino acids and peptides, could be a potential fertilizer or biostimulant alone or in combination with urea to improve turfgrass growth in the field compared to urea and another industry available liquid fertilizer. A randomized complete block field trial with four replications was conducted on a sand-based creeping bentgrass putting green in the summer of 2022 at the Iowa State Horticulture Research Station in Ames, IA. A standardized nitrogen rate was applied across fertilizer treatments at 24.4 kg N ha-1 every 14 days to every plot. Turfgrass percent green cover, quality, clipping yield, and soil organic matter were all tracked as part of the study. Vegetable Protein A (92.2%) had higher mean percent green cover for the study than the untreated (83.9%) and urea (84.5%). Vegetable Protein A and Vegetable Protein A with 50% of the nitrogen from urea were in the top percent green cover grouping on every rating date. Urea (20.5 g) had a greater mean clipping weight than all other treatments except the industry available liquid fertilizer (14.1 g). Vegetable Protein A fertilizer with and without urea as partial nitrogen source had the greatest performance for precent green cover. The addition of urea as a nitrogen source to the complex plant protein fertilizers did not provide an advantage in performance. These treatments offered acceptable season-long nutrient supply to the creeping bentgrass putting green in this field study. Future research should focus on testing various rates of these fertilizers in the field."
This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Thoms, A., T. Donelan, C. Hatten, and T. Gould. 2022. Field evaluation of plant proteins for creeping bentgrass performance. Agron. Abr. p. 143175.
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    Last checked: 02/07/2023
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