The Secretary shall provide the price support authorized or required herein through the Commodity Credit Corporation and other means available to him.

Except as otherwise provided in this Act, the amounts, terms, and conditions of price support operations and the extent to which such operations are carried out, shall be determined or approved by the Secretary. The following factors shall be taken into consideration in determining, in the case of any commodity for which price support is discretionary, whether a price-support operation shall be undertaken and the level of such support and, in the case of any commodity for which price support is mandatory, the level of support in excess of the minimum level prescribed for such commodity: (1) the supply of the commodity in relation to the demand therefor, (2) the price levels at which other commodities are being supported and, in the case of feed grains, the feed values of such grains in relation to corn, (3) the availability of funds, (4) the perishability of the commodity, (5) the importance of the commodity to agriculture and the national economy, (6) the ability to dispose of stocks acquired through a price-support operation, (7) the need for offsetting temporary losses of export markets, (8) the ability and willingness of producers to keep supplies in line with demand and (9), in the case of upland cotton, changes in the cost of producing such cotton.