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| Web URL(s): | https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/119669
Last checked: 12/04/2019
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Hopkins, Bryan G. |
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| Author Affiliation: | Brigham Young University, Provo, UT |
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| Title: | Biostimulants: Meta analysis and overview |
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| Section: | SSSA division: Nutrient management and soil and plant analysis
Other records with the "SSSA division: Nutrient management and soil and plant analysis" Section
Biostimulants, soil amendments, manure, and non-traditional fertilizers oral
Other records with the "Biostimulants, soil amendments, manure, and non-traditional fertilizers oral" Section
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| Meeting Info.: | San Antonio, Texas: November 10-13, 2019 |
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| Source: | ASA, CSSA and SSSA International Annual Meetings. 2019, p. 119669. |
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| Publishing Information: | [Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America] |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Abiotic disorders; Agriculture industry trends; Biostimulants; Phosphorus uptake; Product evaluation; Quality evaluation; Yield response
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| Abstract/Contents: | "A survey of major fertilizer companies indicates it is one of the top current trends in their businesses-with significant research, development, and investment. However, this major trend in agriculture is fraught with misperception, confusion, and generally lacking credentialed recommendations. Biostimulants are microorganisms and/or chemical substances which enhance plant growth and quality, often due to abiotic stress tolerance; excluding traditional pesticides, fertilizers, and soil amendments, such as limestone and gypsum. Biostimulants can be classified in the following categories: 1) soil and geological extracts (most commonly humic and fulvic acids), 2) botanical and algal extracts, 3) microbial inoculants and extracts, 4) inorganic and synthetic compounds (such as silicon), and 5) animal hydrolysates and digests. In our research, we have completed lab, greenhouse, and field trials with each of these classes of products (178 trials over the last two decades). Most of this work has been done in well managed, high yield environments with a variety of row crops, as well as turfgrass and alfalfa. A meta-analysis shows only 22% of these trials resulted in significant positive increases in yields or quality parameters, with an average increase of 0.9%. Most of the positive responses were with use of organic acids in combination phosphorus (P) fertilizer. This data suggests that, when applied properly to soils with a high likelihood of response (low soil-test P with poor P solubility) that there is an increase in P uptake, often with a yield and/or quality increase. The results of our other trials are less conclusive. However, data from other researchers shows potential for these products, especially when used under stress conditions. An overview of the state of biostimulants will be given, along a summary of various reviews on the topic." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only!
"415-4" |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hopkins, B. G. 2019. Biostimulants: Meta analysis and overview. Agron. Abr. p. 119669. |
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Last checked: 12/04/2019
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