"The Government had always taken the view that there nothing in the pledge to prevent the prices of particular commodities being adjusted, up or down, according to the requirements of food production policy. The price mech### could be used to further Government policy in promoting discouraging, the production of such commodities. "It could not be assumed that any special arrangemen which might be made for dealing with marginal land would uncharged the system by which the existing scale of price to be advanced to the extent of any further increase in ### If any means were found of subsidising production on marg land, this would involve re-examination of the pledge and present structure of agricultural prices.