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Prevention of mineral deficiency by soaking seed in nutrient solution

Published online by Cambridge University Press:  27 March 2009

Winifred O. Roberts
Winifred O. Roberts
Affiliation:
East Mailing Research Station, East Mailing, Kent
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Summary

A method is described for economizing in the use of fertilizers on deficient soil by soaking the cereal seeds in nutrient solutions containing the deficient element at a sufficiently high concentration to supply a large part of the total requirements of the plants.

The result of greatest potential practical importance was obtained on oats. Soaking oats in molecular tribasic potassium phosphate brought about an increase in yield from 17 to 25 cwt./acre (46 %) on phosphate-deficient soil at the cost of 13·6 lb./acre of the potassium phosphate (or 4·6 lb. P2O6) without the addition of any phosphate to the soil. There was a correspondingly large increase in the weight of straw. Nearly 75% of the P2O5 introduced in this way was recovered from the harvested grain. Sodium phosphate appears equally efficaceous for oats. Strikingly beneficial effects were also obtained on barley and wheat.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 38 , Issue 4 , October 1948 , pp. 458 - 468
Copyright
Copyright © Cambridge University Press 1948

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