D. L. Ashby

发表

Copper, zinc, manganese and iron variation in five feeds for ruminants.

J. L. Mason, J. E. Miltimore, D. L. Ashby, 1970 .

CONTROLLED RELEASE OF MAGNESIUM, ZINC, BORON AND NITROGEN FROM POLYETHYLENE CAPSULES

D. L. Ashby, 1969 .

Effect of Partial Acidulation and Elemental Sulfur on Availability of Phosphorus in Rock Phosphate1

O. J. Attoe, W. Fenster, D. L. Ashby, 1966 .

Washing Techniques for the Removal of Nutrient Element Deposits from the Surface of Apple, Cherry and Peach Leaves1

D. L. Ashby, 1969, Journal of the American Society for Horticultural Science.