References

References
    1. Hesse, P. R. 1972. A Textbook of Soil Chemical Analysis. Published by Chemical Publishing Company. Pp. 556.
    2. Piper, C. S. 1942. Soil and plant analysis, Inter science Publishers, Inc., New York
    3. Jackson, M.L. 1973. Soil chemical analysis. Prentice Hall of India. New Delhi. 498 p.

Last modified: Monday, 23 April 2012, 4:31 AM