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Range improvement means replacing undesirable plants with a more desirable type of forage.

Dustywings—natural enemies of citrus mites and scales—need their prey as well as honeydew-secreting insects to survive.

Methyl bromide fumigation applied to walnuts under packing-house conditions killed navel orangeworm and Mediterranean flour moth larvae without leaving harmful residues in the fumigated walnut meat.

The following report is based upon a survey undertaken at the request of Division 01 Food Technology, University of California College of Agriculture.

Part II of a series of reports of studies on the effects of packing-house equipment, plant layout, and work methods on efficiency and costs made co-operatively by the University of California Guanine Foundation of Agricultural Economics, and the Bureau of Agricultural Economics, United States Department of Agriculture, under the authority of the Research and Marketing Act, Detailed reports in mimeograph form are available by addressing a request to Giannini Foundation, 207 Giannini Hall, University of California, Berkeley 4. Following reports in this series will compare house operations, methods, equipment, and arrangements. The comparisons may be used to establish standards for efficient operation. Kith minor modifications, the results of these studies can be applied to many of the problems of parking and processing other fruits and vegetables.

Four avocado varieties—in an experimental orchard of 36 varieties at Riverside—appear to be promising for commercial plantings.

Several tomato fields in California showed severe stink bug damage this past season.

The oriental fruitfly threat to California's fruit industry has been reduced by the successful establishment in Hawaii of natural enemies of the pest.

End-product wastes of some industries which process different types of organic materials are desirable as mulching materials in agricultural practice.