00456nam a2200157Ia 4500008004100000020001600041082001700057100001800074245003800092260004000130300000800170650004100178650003400219653002700253700001800280170901s1991    xx            000 0 und d  a817096444 X  a630.24bC35A  aChopra, S. L. 0aAnalytical Agricultural Chemistry  aNew DelhibKalyani Publishersc1991  a488  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural chemistry  aKanwar, J. S.