December 1930 — Vol. 8 No: 4

The Incidence and Control of Apple Scab and Apple Mildew at East Malling

M.H. MOORE

pp: 283-304 — See abstract

The Tarsonemid Mite of Strawberry

A.M. MASSEE

pp: 305-308 — See abstract

The Raspberry and Loganberry Beetle and Its Control. Further Experiments with Pyrethrum Emulsion Sprays and a Dust

C.L. WALTON

pp: 309-315 — See abstract

Investigations on the Nutrition of Fruit Trees. Some Effects of Deficiencies of Nitrogen, Potassium, Calcium and Magnesium, with Special Reference to the Behaviour of Certain Varieties of Apple Trees

M.B. DAVIS

pp: 316-344 — See abstract