ag·ro·e·col·o·gy 
(ăg′rō-ĭ-kŏlə-jē)
(ăg′rō-ĭ-kŏlə-jē)n.
The application of ecology to agriculture, as in the conservation of soil and water resources, the minimization of pollution, and the use of natural fertilizers and pesticides.
ag′ro·ec′o·logi·cal (-ĕk′ə-lŏjĭ-kəl, -ē′kə-) adj.