Source: CORNELL UNIVERSITY submitted to
SEIZING ON THE POTENTIAL TO BREED FOR INTERCROPS: DEFINITION OF BREEDING GOALS
Sponsoring Institution
National Institute of Food and Agriculture
Project Status
COMPLETE
Funding Source
Reporting Frequency
Annual
Accession No.
1031185
Grant No.
2023-51300-40958
Cumulative Award Amt.
$49,151.00
Proposal No.
2023-04370
Multistate No.
(N/A)
Project Start Date
Sep 1, 2023
Project End Date
Aug 31, 2024
Grant Year
2023
Program Code
[113.A]- Organic Agriculture Research & Extension Initiative
Recipient Organization
CORNELL UNIVERSITY
(N/A)
ITHACA,NY 14853
Performing Department
(N/A)
Non Technical Summary
Historically, breeding crops to improve their performance in intercrops has been an intractable problem. Recent technological developments in plant breeding, specifically, genomic selection methods, crop growth models, and high throughput image capture using drones, however, will allow progress. Though intercrops have been shown to perform better than monocrops in multiple ways, we have only a poor understanding of the most important aspects of intercrops are for farmers. Before embarking on breeding for intercrops, we will use this planning grant to consult with farmers to build our understanding of their needs and thus define breeding goals that they will embrace.To accomplish this information gathering, we will first develop a set of contacts with farmer organizations, cooperative extension agents, and farmer stakeholders. These contacts will be people who are interested in intercropping and in defining appropriate research and breeding directions for intercrops. We will interact with key farmer stakeholders to define a survey likely to capture the breadth of farmer needs. We will administer that survey and analyze responses. We will deepen the understanding derived from the survey through focus groups. We will leverage this understanding to define the objectives of grant proposals seeking to fund breeding for intercropping to benefit farm diversity and ecological intensification.
Animal Health Component
100%
Research Effort Categories
Basic
(N/A)
Applied
100%
Developmental
(N/A)
Classification

Knowledge Area (KA)Subject of Investigation (SOI)Field of Science (FOS)Percent
20515603030100%
Knowledge Area
205 - Plant Management Systems;

Subject Of Investigation
1560 - Oats;

Field Of Science
3030 - Information and communication;
Goals / Objectives
Objective 1:We will connect with cooperative extension and with farmer organizations (see support letters) to identify farmers interested in intercropping. Participants will also be identified through the USDA Organic Integrity Database, listservs, and conferences. We will first reach out to key stakeholders viewed as community leaders. These stakeholders will play a critical role both in formulating survey questions and, with consent, as "survey champions" to promote the completion and return of the survey among farmers in their communities. We will not limit the survey to organic farmers, though we anticipate that a majority of participants will be organic or transitional.At this early time in the grant, we will also lay the groundwork for focus groups. Scheduling to dovetail with winter meetings and seeking permission to present at those meetings happens well in advance. We recognize that several of us have not been members of the organic community. The burden will be on us to show that we care about its philosophy and social relationships. We will be asking farmers for help through sharing observations derived from their work. We will seek to deserve that help.In the collaborative network that we want to create, we hope to attend to its racial equity. As much as in any other area, seeking racial equity will require cultural humility. Our current collaborative includes one Filipino and two Latinx members. We are otherwise all of white European descent. Efforts at racial equity need racially diverse leadership (Penniman, 2018), which we do not have. Nevertheless, as we engage in understanding farmer needs, we will seek both equitable processes and outcomes (Brzozowski et al., 2022). A number of farmer organizations and cooperative extension agencies have policy statements and resources for equity and inclusion (e.g., https://marbleseed.org/about/racial-equity; https://staff.cce.cornell.edu/board-toolbox/dei). In planning, we will consult with these resources.Objective 2:The survey will be developed iteratively in consultation with key stakeholders. Topics will include farmer demographics, current acreage, current intercropping practices, anticipated benefits in several areas (e.g., overall marketable production, non-marketable organic matter production, weed pressure, disease and pest prevalence, soil fertility and health, seed sourcing, logistical challenges, perceived training needs, and other topics identified by key stakeholders). The survey instrument will be designed and distributed using the Tailored Design Method (Dillman et al., 2014). The survey will be piloted with a group of non-key-stakeholder farmers then distributed via paper mail and email. Each participant will receive multiple contacts. We will prime survey respondents to consider possible breeding targets by opening the survey with a paragraph on genetic variability and its use to tailor adaptation and performance. In collating responses, we will highlight constraints that might be mitigated by breeding. Many constraints might be more effectively addressed by management or engineering interventions. For the focus groups, we will seek to set up contrasts between approaches to better rank them.One or more focus groups will be conducted with farmers at regional organic farming conferences, such as the Marbleseed Organic Farming Conference in St. Croix, WI. We will coordinate the travel with farmer organizations to leverage their winter meetings so that in-person focus groups can be held without additional farmer travel. Questions will focus on key topics identified through a preliminary analysis of the survey data. Focus groups will be planned and facilitated according to the best practices. Each focus group will include up to twelve participants and will last between one and two hours. Focus groups will be led by a facilitator and an assistant; the facilitator will introduce the goals of the study, obtain consent from participants, ask open-ended questions, and draw out participants as needed. The assistant will take notes. Focus groups will be recorded for future transcription and analysis.Objective 3:Researchers will meet virtually for a project initiation meeting in September 2023. Thereafter, the group will meet bimonthly to progress toward defining goals and writing a larger proposal. Broadly, the agendas for these meetings will be: 1. Project initiation and Networking (Sept). Re-iterate purpose of planning grant. Identify a keynote speaker on collaborations with the organic farming community. We will brainstorm organizations and distribution lists to approach and divide tasks according to Co-PDs with the best connections. 2. Survey Prep (Nov). We will invite key stakeholders. Co-PDs will bring in survey topic area and question suggestions. All suggestions will be consolidated into the first survey draft. 3. Preliminary survey results (Jan). It will still be early in the survey, but we will need some initial idea of survey outcomes to begin planning the larger proposal. We will define objectives and decide if we need other researchers given farmer needs. 4. Planning and writing tasks (Mar). This meeting will occur in the shadow of the likely deadline for the 2024 OREI RFA. We will plan final tasks prior to grant submission. 5. Field Day and post grant proposal planning (Jun). We will hold an in-person meeting and field day event in Ithaca, NY. Final results of the stakeholder survey and focus groups will be synthesized and presented at the meeting. The meeting will allow more long-term objective setting and planning to target multiple funding sources including the NIFA CGP-FAS RFA.
Project Methods
Some survey questions will be quantitative in nature (e.g., relative rankings of different priorities). Others will be qualitative and require some interpretation (e.g., open-ended questions in the survey). Much of the focus group discussion will be of the latter sort, requiring determination of categories of topics and coding. We are fortunate to have on staff a Communications Specialist with experience in conducting exchanges with farmers and performing data compiling. We will interpret results along the dimensions of the particular species farmers are interested in, the reasons for those species, and the functions and ecosystem services farmers need intercrops to fulfill. We will use questionnaire approaches that emphasize possible tradeoffs between different traits or functions [e.g., conjoint analysis with pairwise alternatives (Byrne et al., 2012; Balogun et al., 2022)] to clarify their relative values among farmers.

Progress 09/01/23 to 08/31/24

Outputs
Target Audience:We surveyed organic field crop farmers on their practices and purposes when they plant intercrops. The results from this survey are being used to design crop breeding research to develop varieties that better meet the needs of farmers using intercropping. Thus, the first audience served by the project are plant breeders who need to know breeding goals to focus on in this area. The second audience are farmers who use intercropping and who will, when research makes progress, receive varieties that are better suited to their needs. Farmers surveyed (310 respondents) resided primarily in northern states ranging from New York to Montana. Changes/Problems: Nothing Reported What opportunities for training and professional development has the project provided?Emily Fratz worked on developing and administering the survey. She also has compiled its results. She also conducted two focus groups. She is now a Ph.D. candidate at Cornell University. Leah Treffer assisted in conducting the two focus groups. She is also a Ph.D. candidate at Cornell University. How have the results been disseminated to communities of interest?At the present time the summary of the survey has only been distributed to collaborators who are working on a grant together. This summary includes only main results from each survey question. We plan on analyzing a few select interactions between questions (for example, are there intercropping functions that go together more or less frequently with crop species than might be expected by chance). Once that is done, we will seek to publish the survey results as a peer-reviewed manuscript. What do you plan to do during the next reporting period to accomplish the goals? Nothing Reported

Impacts
What was accomplished under these goals? Survey Instrument Development To develop the survey and the focus group instrument we consulted with: Elizabeth Dyck - Organic Growers' Research and Information-Sharing Network Krysti Mikkonen - Northern Plains Sustainable Agriculture Society Lydia English and Sarah Carlsen - Practical Farmers of Iowa Bethany Wallis and Samuel Rose - Northeast Organic Farming Association of New York Luke Gianforte - Gianforte Farm, Cazenovia, NY Klaas Martens - Klaas and Mary-Howell Martens Farm, Penn Yan, NY Carmen Fernholtz - A-Frame Farm, Madison, MN Survey and Focus Group Administration The survey included a total of 22 questions on a range of topics including respondent demographics, characterization of the farm operation, intercrops planted, intercropping management practices, and intercropping breeding goals. The survey was distributed using the USDA Agricultural Marketing Service (AMS) Organic Integrity Database (https://organic.ams.usda.gov/integrity), which includes all USDA Certified Organic farmers in the US. The survey was distributed to farmers based in the US who listed one of the predefined field crops as a crop produced on their farm. Field crops were defined as: corn, soy, wheat, oat, alfalfa, rye, barley, clover, pea, and triticale. The survey was emailed to 1,721 email addresses and mailed to 1,000 street addresses between Feb. and Apr. 2024. Focus groups were carried out at the OGRAIN conference in Madison, WI in January 2024 and at the Marbleseed conference in Lacrosse, WI in February 2024. Results of these efforts have been tabulated. We plan on publishing the results some time in 2025. Plant Breeding Organization There were three primary take home messages from the survey around which we are organizing to do plant breeding research: i) Oat is important in intercropping. Of the top six intercropping combinations reported by farmers, oat was a component of three. ii) Oat is listed in combination with multiple other species. Thus, if we breed oat for intercropping, we need to find out if it is a good partner in multiple different combinations. Thus, we need to research "interspecific general mixing ability" of the oats we develop: If we develop oat varieties that perform well in intercropping with pea, will they also perform well as nurse crops for alfalfa and clover? iii) Farmers grow intercrops for purposes other than cash yield. The function of "cash crop yield" was only the fifth most important function that farmers mentioned. Soil health is the first. We need to research variety and intercrop impacts on components of soil health. We have developed a collaborative of six oat breeders, two legume cover crop breeders and two cropping systems agronomists to propose research to tackle these problems.

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