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Journal of the Indian Society of Soil ScienceYear : 1957, Volume : 5, Issue : 4 First page : ( 205) Last page : ( 211) Print ISSN : 0019-638X. Online ISSN : 0974-0228.
The Effects of Continuous Manuring and Cropping on the Crop Yields, Nitrifying Power of the Soil and Nitrogen uptake by Plants
Sinha P.
Agricultural Chemistry Section, Sabour, Bihar