W. J. Sheppard

Fertilization of cotoneaster in a pinebark medium

M. Watson, C. Gilliam, W. J. Sheppard, 1982 .

Effect of nitrogen form and rate on elemental content and growth of pyracantha, cotoneaster and weigela.

C. Gilliam, T. Fretz, W. J. Sheppard, 1980 .

Aggregated fly ash as a medium amendment for the production of container grown nursery stock

H. A. Poole, C. Gilliam, T. Fretz, 1980 .

Treating Boron Toxicity in Rhododendron catawbiense1

C. Gilliam, W. J. Sheppard, E. Smith, 1981, HortScience.

Evaluation of Bentazon for Yellow Nutsedge Control in Container-grown Nursery Stock1

T. Fretz, W. J. Sheppard, 1979, HortScience.