Who pays when a company’s trial leaves 10 acres of your Indiana soybeans 10 bushels an acre short, and who may use the yield data from that strip afterward? At Purdue’s 2026 figures for rotation soybeans, 60 bushels an acre at $10.20 a bushel, that shortfall is $1,020 a season. So before the first machine pass, write a one-page partnership term with six items and have both sides sign it. The first item says who may use the strip’s data. A partnership term is a short written agreement between you and whoever runs the trial, and it does not replace a contract drawn up by a lawyer.
What does hosting a trial cost you?
A trial strip is a band of the field that the sponsor plants or treats its own way. The check strip beside it is left as you normally farm it, so the two can be compared. Either one can yield below the rest of the field: a treatment can fail, and a check can go without an input.
The cost comes in three forms. The first is machine work. Embrapa, Brazil’s federal farm research agency, lists in its precision farming book the need to overlap or stay close to the last crop’s rows, which can create difficulties for the machinery. The second is yield. The same authors say treatments that yield below the farm average may have to be kept, such as checks given none of one nutrient.
The third is time. They note that fertilizer trials on fields long under no-till often need to run for years, because one or two seasons are commonly not enough to test the idea.
Some programs pay for it. Practical Farmers of Iowa, a farmer-led research group, gives its cooperators a yearly stipend to offset the costs and the time of the project. On larger projects, its staff and the farmer agree the payment before the project starts. Agree yours the same way, before the first pass.
Write the payment and the number of seasons on the page before anyone starts the tractor.
Whose question does the trial answer?
The sponsor’s, unless you write yours. Embrapa’s authors separate two kinds of study. Trials of inoculants, fertilizers, machines and plant protection focus on the effectiveness of the technology itself, not on its use in the area where the study ran.
On-farm experimentation, they write, mostly aims at results that apply to the field under study. That needs local data and trust between the partners about who may reach and use the information.
They also report that working with a research institute or a service company is often seen as a way of taking the farm’s data for others to use. They do not say who sees it that way.
Before you meet the sponsor, write your own question on a sheet of its own, with the field and the crop. What a trial can and cannot test is a separate article.
Does any law say who owns the data from the strip?
No specific law in the sources cited here settles it for a farm in Indiana. The University of Maryland Extension wrote in its farm data bulletin that, as of 2016, no existing laws covered farm data ownership. Its advice was that a well-crafted contract is the best management practice to follow.
Nebraska has since acted. The National Agricultural Law Center reports that Nebraska’s agricultural data privacy act was signed on April 14, 2026, the first state law to set ownership rights and safeguards for farm data. It makes the agricultural producer the owner of data that originates from the farm.
That act does not cover derived data, meaning data that has been significantly modified, processed, analyzed or compiled, such as reports and predictive models. The center’s article does not mention Indiana. Ask a lawyer where you farm whether any state rule applies.
People often sign nothing. In a University of Wisconsin-Madison online survey of 73 dairy farmers, 81 percent had not signed a data sharing agreement or did not know if they had. Also, 38 percent did not know how to stop the sharing. The questionnaire went to a convenience sample and asked about farm data in general, not about trials.
Because the law leaves the gap, the written page fills it. The first item should also say whether published results may show your name or the field’s location.
What goes on the page?
Six items, on one page, with a line for each.
- Who may use the data from the strip.
- The field and the dates.
- What each side does, and who supplies the machines, fuel and labor.
- What the farm may lose, and how it is paid.
- What comes back to the farm, and by when.
- Both signatures and the date.
Maryland Extension lists three questions for the first item. One asks what control the farmer will have over the data. Another asks whether the data can be deleted after use. The third asks whether the contract requires consent before the data is shared with a third party. Write who gets the raw data and who else may see it.
For items three to five, Practical Farmers of Iowa shows the practice from the side of the farmer. Its cooperators follow a written protocol, collect and record data as specified, and turn in the data at the end. Payment is a reimbursement for each project completed, plus allowable expenses.
Mark the strip on the map the tractor driver works from, so the first pass does not treat it like the rest of the field. The signed page is also a written record of a tie between the farm and an outside organization. A separate article explains how to keep a list of those ties.
What do I write first, and how long does it take?
Write item one first, because it is the one nothing else settles. Plan about an hour to talk the six items through with whoever proposes the trial, and about twenty minutes to write the page. Both times are estimates, not measured.
Write the end date on the page and in the field’s production plan. A separate article explains a production plan for each field three seasons ahead.
Other pages of this kind are in the sustainability part of the library, and the same habit of writing before the work fits the rest of farm management.