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Ahrens, W. H. – Journal of Agronomic Education, 1986
Presents an experiment which enables weed science students to observe first-hand the process of herbicide leaching in soils. Features of this technique which demonstrate the movement of herbicide within a column of soil are outlined. Diagrams are provided of the apparatus employed in the exercise. (ML)
Descriptors: Agricultural Education, Agronomy, College Science, Herbicides
Peer reviewed
Direct linkWhiteley, Liz; Gibbon, Jamie; Hofgartner, Jon; Mason, Craig; Willmetts, Helen – Journal of Biological Education, 2003
An investigation is described that would be suitable for A-level or first year degree Biology or Environmental Science students. Crop plants were grown in different concentrations of lead chloride and lead nitrate. French beans, carrots and Brussels sprouts were all inhibited at concentrations over 0.01 mol dm[superscript -3] showing stunted root…
Descriptors: Foreign Countries, Science Experiments, Environmental Education, Lesson Plans
