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Toxic Excreta of Plants

Published online by Cambridge University Press:  27 March 2009

F. Fletcher
Affiliation:
(Lately Director, School of Agriculture, Gizeh, Egypt.)

Extract

The writer has pointed out the influence that some agricultural plants have on others when grown in close proximity to them. It was demonstrated (inter alia) that a row of Sesamum indicum (gingelly), when sown at a distance of two feet from a row of Sorghum vulgare (great millet), will not mature, the plants dying after reaching a height of a few centimetres. These experiments were made at Surat (India) on black cotton soil of a very retentive nature; this character of the soil combined with a rainfall of 42 inches per annum all falling in 3½ months, doubtless emphasized the deleterious effect of the sorghum on the sesamum since the washing of the soil was a minimum.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1912

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References

page 245 note 1 Vol. II. No. 3 (Bot. Ser.), Memoirs of the Department of Agriculture in India, April, 1908.

page 245 note 2 Nature, August 27, 1908.

page 245 note 3 Nature, June 23, 1910.

page 247 note 1 The relative weights have unfortunately been lost. The photographs and weights of the duplicates agree very closely.

page 247 note 2 U.S.A. Bur. of Soils, Bull. 53, April, 1909.

page 247 note 3 Cairo Scientific Journal, 4, No. 43, 04, 1910.Google Scholar