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	1.	No cover image available No cover image available Role of blue-green algae in nitrogen economy of Indian agriculture R.N. Singh by Singh, R.N. Randhawa Material type: Text; Format: print ; Literary form: Not fiction Publication details: New Delhi Indian Council of Agricultural Research 1961 Availability: Items available for loan: CPRI Library (1)Call number: 589 SI 64R. Place hold Add to cart (remove)
	2.	No cover image available No cover image available Role of blue-green algae in nitrogen economy of Indian agriculture R.N. Singh by Singh, R.N Material type: Text; Format: print ; Literary form: Not fiction Publication details: New Delhi Indian Council of Agricultural Research 1961 Availability: Items available for loan: CPRI Library (1)Call number: 589.8 SI64R. Place hold Add to cart (remove)
	3.	No cover image available No cover image available Biennial Bearing in fruit trees : accent on mango and apple R.N.Singh, edited by P.L. Jaiswal by Singh, R.N Jaiswal, P.L., ed Series: [ICAR technical bulletin (agric); no.30] Material type: Text; Format: print ; Literary form: Not fiction Publication details: New Delhi Indian Council of Agricultural Research 1971 Availability: Items available for loan: CPRI Library (1)Call number: 634.11 SI64B. Place hold Add to cart (remove)

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