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Journal of the Indian Society of Soil ScienceYear : 1957, Volume : 5, Issue : 4 First page : ( 248) Last page : ( 251) Print ISSN : 0019-638X. Online ISSN : 0974-0228.
Effect of Low and High Nitrogen Materials on Nodulation of Pea in Delhi Soil
Misra V. K., Sen Abhiswar
Indian Agricultural Research Institute, New Delhi