00515nam a22001697a 4500003000400000008004100004020001800045082001800063100002000081245007200101260004600173300001000219650003400229650004100263650001900304700002200323OSt250904b        |||||||| |||| 00| 0 eng d  a9789327218596  a631.422bN15S  aNagornny, V. D.  aSoil Fertility Management / cby V. D. Nagornny and J. Singh Raghav  a.- Ludhianab: Kalyani Publishersc, 2020  a214p.  aTechnology (Applied Sciences)  aAgriculture and Related Technologies  aSoil Fertility  aRaghav, J. Singh.