Use of sprinklers to supplement the usual subbing method of irrigation increased October-harvested sugar beet production by 8.4 tons per acre. In addition to alleviating drought conditions, sprinkling increased the plant uptake of nitrogen and phosphorus from this highly organic soil.

The Jongeneel and Hechtman Farming Company and Hanneson and Riddle, consulting agronomists, cooperated in the Ryer Island tests.