Checking the Waste: A Study in Conservation. Mary Huston Gregory

57.

      Renovation of Worn-out Soils. Dept. of Agriculture Bulletin, 245.

      Soil Fertility. Dept. of Agriculture Bulletin, 257.

      Management of Soils to Conserve Moisture. Dept. of Agriculture Bulletin, 266.

      Fertilizers for Cotton Soils. Bureau of Soils Bulletin, 62.

      Work of the Bureau of Soils. Bureau of Soils Bulletin.

      Exhaustion and Abandonment of Soils. Bureau of Soils Bulletin. Whitney, 5c.

      Phosphorus. Illinois Agricultural Experiment Station Bulletin.

      The Present Status of the Nitrogen Problem. Yearbook Dept. of Agriculture Reprint, 411.

      The Search for Leguminous Forage Crops. Yearbook Dept. of Agriculture Reprint, 478.

      Leguminous Crops. Yearbook Dept. of Agriculture Bulletin, 278.

      Progress in Legume Inoculation. Yearbook Dept. of Agriculture Bulletin, 315.

      A Grain for Semi-arid Lands. Yearbook Dept. of Agriculture Bulletin, 139.

      The Sugar-Beet. Yearbook Dept. of Agriculture Bulletin, 52.

      Dry-Land Problems in the Great Plains Area. Yearbook Dept. of Agriculture Reprint, 461.

      Reports of Dry Farming Congress.

      The Natural Wealth of the Land. J. J. Hill, Report Governor's Conference.

      National Wealth and the Farm. J. J. Hill.

CHAPTER III

       Table of Contents

FORESTS

       Table of Contents

      Aside from the soil itself, which supports all life, there is no other resource so important to man as the forests, with their many uses covering so wide a range.

      The beauty and restfulness of a forest, the grace and dignity of single trees, the shade for man and animals, the shelter from storms—all these things appeal to our love for the beautiful, and touch our higher nature. The person who loves trees is a better person than the one who does not. As the poet expresses it: