المؤلفون: Leake, Alastair, Walston, Oliver, Jones, J. V. H., Oliver-Bellasis, H. R., Langton, Steve, Watts, R. J., Crisp, G. G. A., Shutkever, Harry, Sidebottom, Robin, Gray, Linda, Bennett, S. A., Price, J. P. Newell, Hosking, Tom, Baker, B.

المصدر: Farmers Weekly; 8/13/2004, Vol. 141 Issue 7, p63-65, 3p

مصطلحات موضوعية: LETTERS to the editor, FARMERS, SOIL erosion, SEWAGE sludge

مصطلحات جغرافية: UNITED Kingdom