English

Conserving corn belt soil

59 pages : 23 cm · "Natural productiveness of most of the soil in America's Corn Belt is on the decline. This publication treats of erosion as a contributing cause. Erosion-control practices, now employed on the extensive project areas of the soil Conservation Service, are discussed. The region includes a part of the vast central valley in the upper reaches of the Mississippi River and considerable land lying adjacent to its main tributaries, the Missouri and the Ohio."--Foreword · Contribution from Soil Conservation Service · Map on back cover · Seventy crop years -- Soils that reward -- Soils that fail -- Gone with the rain -- From corn to cover -- Joined forces to hold soil

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