Table of contents

The success of a cooperative effort, by W. Thorne 90

Utah's population, by T. R. Black 92

The demand for Christmas trees, by F. W. Kearns 94

Uinta alfalfa, by M. W. Pedersen and D. R. McAllister 97

Techniques in breeding improved wheatgrass, by D. R. Dewey 98

Stem pitting affects apple trees in Utah, by B. N. Wadley 1 00

Phosphorus intake depends on taste, by G. E. Stoddard and C. H. Mickelsen 103

Milk bases and their value, by R. A. Christensen 104

Research reports 113