The On-Farm Network is growing, and so is access to trial results! Single-site research reports have been organized in the database below, providing detailed information at the farm level, packaged in an easy-to-read single page document.
How it works:
Limit the number of reports by clicking the desired Crop, Year, Trial Type, and/or Major Region. Within the database table, click on any column header to sort the table. To view a single site report, select the Trial ID to open the single site research report in a new tab.
There are two statistical tests that are used to analyze On-Farm Network data:
- A paired t-test is used for trials with two treatments (eg. Treated vs. untreated).
- Analysis of variance (ANOVA) is used for trials with three or more treatments (eg. Product A vs. Product B vs. Untreated).
Confidence level: A 95% confidence level is used within our trials. This means we can say with 95% certainty that we are certain of the outcome.
P-value: A calculated probability used in statistics to either accept or reject the null hypothesis. The null hypothesis for our trials is that there is no difference between treatment means. A p-value of less than 0.05 suggests that there is enough evidence to reject the null hypothesis, meaning there is a significant difference between treatment means. If the p-value is greater than 0.05, then there is not enough evidence to conclude that the observed treatment differences are due to our applied treatment at a 95% confidence level.
A trial with a significant yield difference is highlighted green in the yield difference column of the database.
Coefficient of Variation (CV): The statistical measure of random variation in a trial. The lower the value, the less variable the data.
A trial that does not meet the trial requirements, eg. field history, is not included in the overall average for yield difference.
MPSG does not endorse the use of products tested in the On-Farm Network. Although trials are conducted at multiple sites under varying conditions, your individual results may vary. Contents of these research publications can only be reproduced with the permission of MPSG.