"Of or relating to the application of ecological principles to the production of food" is the meaning of the adjective "agroecological."
The suffix "agro-" can be used to refer to the production of food, feed, fiber and other goods by the systematic raising of domesticated plants and animals. The noun ecology is formed from the Greek nouns oikos ("household") and logos("knowledge"). It refers to the scientific study of the distribution and abundance of living organisms and the interactions among organisms and between the organisms and their environment.