Calag Archive

Results obtained during the 1954 season with an experimental asparagus harvester–first used in 1952–indicate that recovery of short spears can be improved and blade life greatly increased by minor modifications.

A new pest of alfalfa, the yellow clover aphid – Therioaphis ononidis (Kalt.)–has arrived in California.

The most important pests of stored grain–such as the granary and rice weevils–either do not thrive or cannot live in grain whose moisture content is 10% or less.

Discovery of the Khctpra beetle–Trogoderma granarium Everts–in barley stored in warehouses in Tulare County, in December 1953, was the first record of this insect occurring in the United States.

The cost of controlled burning–the planned application of fire to a preselected area to clear the land of unwanted brush–is considerably higher than is usually assumed.

Stocks–Matthiola incana – comprise the second largest floricultural field crop, in terms of acreage, produced in California.

Uramite–a combination of urea and formaldehyde–is a type of recently developed plastic with many of the favorable characteristics of organic nitrogen.

Sodium has not as yet been found to be an essential element–for health in citrus–although it frequently occurs in varying concentrations in citrus orchard soils.

Lemon trees have not responded consistently to applications of any of the nutrient elements in studies at Riverside directed toward learning whether their collapse or decline is affected by nutritional factors. Neither have the trees exhibited symptoms of leaf burn usually associated with an excess of a nutrient element.