期刊
RESEARCH SYNTHESIS METHODS
卷 12, 期 1, 页码 62-73出版社
WILEY
DOI: 10.1002/jrsm.1440
关键词
crop yield; random effects model; decision support tool; visual analytics
资金
- CLAND [16-CONV-0003]
- Iowa Soybean Association checkoff
- Iowa State University
- Iowa Soybean Association
The concept of on-farm research networks allows farmers to test new agricultural management practices with support from local researchers, aiming to increase crop productivity and profitability. ISOFAST, an interactive web tool developed using R Shiny, simplifies interpretation of multi-site and multi-year summaries of trial results, generating new knowledge for farmers and agronomists.
The on-farm research network concept enables a group of farmers to test new agricultural management practices under local conditions with support from local researchers or agronomists. Different on-farm trials based on the same experimental design are conducted over several years and sites to test the effectiveness of different innovative management practices aimed at increasing crop productivity and profitability. As a larger amount of historical trial data are being accumulated, data of all the trials require analyses and summarization. Summaries of on-farm trials are usually presented to farmers as individual field reports, which are not optimal for the dissemination of results and decision making. A more practical communication method is needed to enhance result communication and decision making. R Shiny is a new rapidly developing technology for turning R data analyses into interactive web applications. For the first time for on-farm research networks, we developed and launched an interactive web tool called ISOFAST using R Shiny. ISOFAST simultaneously reports all trial results about the same management practice to simplify interpretation of multi-site and multi-year summaries. We used a random-effects model to synthetize treatment differences at both the individual trial and network levels and generate new knowledge for farmers and agronomists. The friendly interface enables users to explore trial summaries, access model outputs, and perform economic analysis at their fingertips. This paper describes a case-study to illustrate how to use the tool and make agronomic management decisions based on the on-farm trial data. We also provided technical details and guidance for developing a similar interactive visualization tool customized for on-farm research network. ISOFAST is currently available at .
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