Research- Survey Collection in Germany

I am working on a market research project. In this project, we are engaged in work such as questionnaire surveys on the employment situation, management efforts, and impacts of foreign agricultural workers in Germany. This survey is to answer the question table (24 questions).

Request: 1. Individual or corporate owners who grow fruit trees, vegetables, or grains in Germany (Brandenburg) (not applicable to meat)
Or 2. Those who can introduce the above