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2. The involvement of the root apex and cytokinins in the control of lateral root emergence in lettuce seedlings;Biddington;Pl. Growth Regul.,1983
3. The effects of aqueous seaweed extract as a fertilizer additive;Blunden,1972
4. The effects of aqueous seaweed extract on potato yields;Blunden;J. Sci. Fd. Agric.,1977
5. Some properties of seaweed manures;Booth,1966