Pope John XXIII
Mater et Magistra §131
Mater et Magistra: On Christianity and Social Progress
131 In addition, a sound agricultural program is needed if public authority is to maintain an evenly balanced progress in the various branches of the economy. This must take into account tax policies, credit, social insurance, prices, the fostering of ancillary industries and the adjustment of the structure of farming as a business enterprise.
Source: Mater et Magistra (Vatican.va)