The investigation of the absorption of lead by plants can be carried out quite simply by
dipping them into a solution which contains a radioactive isotope of lead, and determining …

The distribution with depth of lead in cores of peat shows that the annual fallout in the UK
has not changed greatly since the middle of the last century. Increased fallout of lead from …

Absorption of Zn labeled with< sup> 65 Zn (Zn*) by excised barley roots was studied in
experiments lasting no more than 4 hours, and often much less. The lowest concentration of …

Accretion of lead by abscised barley roots from a lead nitrate solution was metabolically
obtained, complemented by a fraction acquired physico-chemically. Added calcium supply …

The body of information presented in this paper is directed to individuals concerned with the
state of our knowledge on lead uptake and translocation by plants and its subsequent …

The author, after discussing difficulties of terminology, deals with his subject under the
headings of diffusion, ion exchange and Donnan effects, combination, accumulation and …

Rape, cucumber, wheat, oats and tomato were grown for one to two weeks in nutrient
solutions with heavy metals added. Of the metal ions tested (Cr 3+, Cu 2+, Co 2+, CrO 4 2 …

PLANT PHYSIOLOGY ble chemical elements for plants. Only one of these physiologists,
AIAZEJ (2, 3, 4), has taken a comprehensive view of the problem until within the last eight or …

The presence of indigenous lead in the earth's crust at concentrations averaging 16μg/g soil
(De Treville, 1964), its recent deposition near highways and other pollutant sources …

(WITH TWO FIGURES) In connection with experiments reported in this journal'by AL SO-
IMIER and the senior author one experiment was conducted to determine whether or not …