It is the purpose of this chapter to encourage and to promote agriculture and agricultural production as the basis of the prosperity of all the people by assisting the availability for agricultural purposes, and for those engaged therein, of satisfactory credit facilities at a low rate of interest under the farmers cooperative system, as established in the laws of the United States by the provisions of the Federal Farm Loan Act, the Farm Credit Act of 1933, and acts amendatory of and supplementary to each of said acts.