00510nam a22001697a 4500003000400000008004100004020001500045082001700060100002200077245005700099260005200156300001400208650003400222650004100256650001900297650002400316OSt230714b        |||||||| |||| 00| 0 eng d  a8120401255  a631.86bR21B  aRao, N. S. Subba.  aBiofertilizers in Agriculture / cby N. S. Subba Rao  a.- New Delhib: Oxford & IBH Publishingc, 1986  avii,186p.  aTechnology (Applied Sciences)  aAgriculture and Related Technologies  aBiofertilizers  aOrganic Fertilizers