A decline in rural population in any region may be expressive of the general adjustment as between country and city; it may mean the passing out of active cultivation of large areas of land that ought to be in forest or in extensive systems of agriculture; it may mean the moving out of well-to-do farmers to cheaper lands, as an expression of the land-hunger of the American; it may be due in some cases to the retiring of well-to-do persons from the farms to the town; and other causes are at work in particular localities. The rural population of Iowa is decreasing, but the agricultural production and land valuation are increasing. The lessened production of live-stock, of which we have recently heard so much, is probably not due to any great extent, if at all, to decreasing rural population. It is in part due to the shift in farming following the passing of the western ranges, and in part to the lack of a free market, and in part to a changing adjustment in farming practices. This situation will take care of itself if the markets are not manipulated or controlled. Many publicists are alarmed at the lessened production of farm products in comparison with imports, and fear that the balance of trade will be seriously turned against us, with a rise in the rate of exchange. It is not to be expected that we shall maintain our former rate of export of raw crops, nor is it desirable from the point of view of maintaining the fertility of our lands that we should do so; but the maintenance of production is now to depend on farming every acre better, in larger farms as well as in smaller farms, rather than on taking up new acres. The ultimate importance of agriculture to civilization, in other words, lies not in the number of persons it supports, but in the fact that it must continue to provide supplies for the populations of the earth when mining and exploitation are done, when there are no new lands, and when we shall have taken away all the first flush of the earth's bounty. The character of the farm man, therefore, becomes of supreme importance, and all the institutions of society must lend themselves to this personal problem. We shall never again be a rural people. We want the cities to grow; and as they grow they should learn how to manage themselves. How they shall meet their questions of population is not my problem; and I have no suggestions to make on that subject. _The abandoned farms._[1] If persons move from any part of the country until there is a marked absolute falling off in population, it must follow that certain lands shall be left unused, or shall be combined with adjacent lands into larger business units. It is no anomaly that there are "abandoned farms" (they are seldom really abandoned, but more or less unused), and it is natural that they should be in the remoter, hillier, and poorer regions. So are shop buildings abandoned on back streets, and likewise factories on lonely streams.