On balance, assuming no unpredictable great catastrophe, the question does not seem to be “ Shall we have enough food by 19 7 5 ? ” but rather, “ How shall we produce the needed food and fiber efficiently; how produce it at low cost?” W e can produce more at increasing cost as needed, but, unless we offset that in-
search Service, U S D A ) : I f we take 19 50 as a base year and project our 19 75 needs in terms of population increase, per capita con sumption, and gradual growth in level of ex ports and imports, those needs seem likely to come within a range of 40 to 50 percent in crease from 19 50 . I am optimistic about the physical possibilities of achieving an increase well within that range, but it will not come automatically. Projecting such increases with confidence assumes adequate attention to re search, education, conservation, and other pro grams undertaken on a balanced basis. More land is available if we need the land, but most of this increase is likely to come from higher production per acre and per animal.