1. Copper spray substitutes

   • Albert E. Dimond
   • J. W. Heuberger
   • James G. Horsfall

   OriginalPaper Pages: 141 - 153

2. The possibility of reducing the proportion of phosphate in fertilizer applied to sandy soils

   • John Bushnell

   OriginalPaper Pages: 153 - 155

3. Some varietal differences in wireworm injury to potatoes

   • W. A. Rawlins

   OriginalPaper Pages: 156 - 158

4. Sectional notes

   • L. M. Ware
   • E. Marx
   • R. E. Goodin

   Announcement Pages: 158 - 169

5. Erratum

   • L. M. Ware
   • E. Marx
   • E. W. Harbor

   Erratum Pages: 169 - 169