sposal of all decayed fruit, the
raking up and burning of all leaves in infected orchards, arsenical and
lime sprays, and, above all, such attention to pruning and cultivation
as will keep the trees in good condition.

Lastly, the keeping of bees in the orchard will pay well, not only for
the honey they produce, but because they assist greatly in carrying the
pollen from flower to flower, and so increasing the crop of fruit.

REFERENCES

Forests. Report National Conservation Commission.

Forest Conservation, Papers and Discussions, Report Governor's
Conference.

Arbor Day, Forest Service Department of Agriculture Circular, 96.

Tree Planting on Rural School Grounds. Forest Service Department of
Agriculture Circular, 134.

Practical Assistance to Tree Planters. Forest Service Department of
Agriculture Circular, 22.

How to Transplant Forest Trees. Forest Service Department of Agriculture
Circular, 61.

Forest Planting on Coal Lands. Forest Service Department of Agriculture
Circular, 41.

Forestry in the Public Schools. Forest Service Department of Agriculture
Circular, 130.

Primer of Forestry. (Pinchot). Forest Service Department of Agriculture
Circular, 173.

The Use of the National Forests. (Pinchot.)

What Forestry Has Done. Forest Service Department of Agriculture
Circular, 140.

Forest Preservation and National Prosperity. Forest Service Department
of Agriculture Circular, 35.

Forest Planting and Farm Management. Forest Service Department of
Agriculture Circular, 228.

Facts and Figures Regarding our Forest Resources. Forest Service
Department of Agriculture Circular, 11.

Drain Upon the Forests. Forest Service Department of Agriculture
Circular, 129.

The Waning Hardwood Supply. Forest Service Department of Agriculture
Circular, 129.

Timber Supply of the United States. Forest Service Department of
Agriculture Circular, 116.

Forestry and the Lumber Supply. Forest Service Department of Agriculture
Circular, 97.

How to Cultivate and Care for Forests in Semi-arid Regions.

Forest Service Department of Agriculture Circular, 54.

Paper-making Materials and their Conservation. Bureau of Chemistry, 41.

CHAPTER IV

WATER

Water is an absolute necessity to man, as much as the air he breathes or
the food he eats. Water comes to us in the form of rain or snow. We
usually think of it as unlimited, but we must come to think of it as a
resource that can be abused and wasted or