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Condensed from an address by H. R. Wellman, Director, Giannici Foundation of Agricultural Economics, University of California, to the Annual Membership Meeting, California State Chamber of Commerce in San Francisco, December 4, 1946.

This perspective view was designed by Supervising Architect ft J. Evans of the University of California campus at Davis, to show the development that will take place under the presentbuilding program. Existing buildings and those contemplated are shown in the sketch.

Quick decline of oranges still is largely confined to certain parts of Los Angeles County, although some cases have been seen in northern Orange San Bernardino County, and some suspected cases have been noted elsewhere.

Many soils which in their native condition were of good tilth, of low density, and highly permeable to water, have lost their fine structure and have become compacted when placed under cultivation.

The recent flood of publicity concerning DDT has resulted in such widespread misconceptions of its proper use that it is desirable to review here what may be expected of this insecticide and discuss some of the livestock pests against which it may be employed.

One of the important undertakings of the Division of Entomology and Parasitology during the past three years has been a detailed study of the use of DDT (dichloro, diphenyl,trich-loroethane) for control of codling moth under the various conditions that exist in pear orchards of the state.

The writers are indebted in this connection to County Agents Berry, Catlin, Everett, and Lilley and to Carl J. Hansen of the Agricultural Experiment Station.

Results obtained by University of California veterinarians in cooperation with sixty-five dairy and beef cattle owners throughout this state over a period of several years, make it possible to announce an encouraging degree of success in the control of bovine brucellosis (Bang's disease, or infectious abortion) without resorting to the slaughter of valuable cattle.

Enzymes, promoters of vital chemical activity in plant and animal cells, play an important role in food processing. Important transformations, some beneficial, some detrimental, are induced in fruit and vegetable products.

Two types of landowner are affected by the emerging and increasing opportunities for the management of timber on a continuous basis as a permanent and profitable business—the industrial lumbermen and the farmer or other rural proprietor of a small tract of woodland.