004940000a22001450004500 100 631.80954 NAM4 Nambiar, K K M Soil fertility and crop productivity under long term fertilizers use in india Newdelhi, Publications & information division, ICAR 1994 144 Soil fertility-effect of fertilizers/crop productivity-india-effect of fertilizer use/fertilizers-agriculture- india BK 355223 355223 0 0 0 0 KAUCOAV KAUCOAV 2014-05-02 35.00 0 631.80954 NAM4 KAU_COAV-24009 2014-05-02 00:00:00 2014-05-02 BK