1. Armstrong, G. M. and Albert, W. B., A study of the cotton plant with especial reference to its nitrogen content. J. Agr. Research42, 689–703 (1931).
2. Bhatt, J. G., Yield capacity of the cotton plant in relation to the production of dry matter (accepted for publication in Indian J. Pl. Physiol).
3. Dastur, R. H. and Ahad, A., Studies in periodic partial failures of the Punjab-American cotton in the Punjab. XIV. Mineral metabolism of normal andtirak-affected plants. Indian J. Agr. Sci.15, 63–74 (1945).
4. Dastur, R. H., Physiological Investigations on the Cotton Crop and their Practical Applications. Published by the Indian Central Cotton Committee, Bombay (1959).
5. Eaton, F. M. and Ergle, D. R., Mineral nutrition of the cotton plant. Plant Physiol.32, 169–175 (1957).