The age of the stigma and of the pollen is important when fertilizing disease free geraniums. Charles H. Sherwood of the ISU horticulture department and Jack Newmarch and Luland Lubka, students in horticultre, reached this conclusion after pollinating three age grops of stamens.

Hog marketings during the late spring and summer are expected to be 4 to 6 percent larger than a year ago. This is the indication from current estimates of sow farrowings and hog inventories. A similar increase is likely during the final quarter of the year - assuming actual farrowings are close to March 1 plans.

Smaller trees reduce labor and equipment costs for fruit growers. The authors describe the effects of a chemical growth retardant on fruit trees in ISU studies.

New information on growth patterns of soybean roots and guidelines for fertilizer placement and cultivation come from a study by the Iowa State agronomy department.

Single copies of these publications are available through your local Cooperative Extension Service Office, or from the Bulletin Distribution Room, Morrill Hall, Iowa State University, Ames, Iowa 50010.