July 1955 — Vol. 30 No: 3

Molybdenum as a Plant Nutrient V. The Interrelationships of Molybdenum and Nitrate Supply in the Concentration of Sugars, Nitrate and Organic Nitrogen in Cauliflower Plants Grown in Sand Culture

S.C. AGARWALA and E.J. HEWITT

pp: 151-162 — See abstract

Molybdenum as a Plant Nutrient VI. Effects of Molybdenum Supply on the Growth and Composition of Cauliflower Plants Given Different Sources of Nitrogen Supply in Sand Culture

S.C. AGARWALA and E.J. HEWITT

pp: 163-180 — See abstract

The Effects of Aldrin, Dieldrin, Isodrin, Endrin and Ddt on Mitosis in Roots of the Onion (Allium Cepa L.)

MARY E. SCHOLES

pp: 181-187 — See abstract

Seasonal Changes in the Major Nutrients of Black Currant Leaves

C. BOULD

pp: 188-196 — See abstract

Black Currant Leaf Spot: II. Laboratory Tests of Fungicides for the Prevention of Sporing of Pseudopeziza Ribis on Overwintered Leaves

A.T.K. CORKE

pp: 197-200 — See abstract

The Determination of the Irradiance in Various Spectral Regions for Plant Irradiation Practice

Stichting Verlichtingskunde

pp: 201-207 — See abstract