00518nam a22001817a 4500003000400000008004100004020001800045082001700063100001700080245006300097250001700160260004200177300001100219650004200230650003500272650001300307700001600320OSt220909b        |||||||| |||| 00| 0 eng d  a9789327272857  a631.5 bR29P  aReddy, S.R.   aPrinciples of crop production/by S.R. Reddy and C. Nagmani  a5th. rev.ed.  aLudhiana:bKalyani Publishers,c2017.  a852 p.  aAgriculture and related technologies   aTechnology (Applied sciences)   aAgronomy  aNagmani, C.