00381nam a22001337a 4500003000400000005001700004008004100021040000700062082002100069100006500090245006400155260000900219300001900228OSt20220322091617.0220322b        |||||||| |||| 00| 0 eng d  cHU  a631.587 PRI 2002  a     Prihar, S. S.d (Sohan Singh), 1932-; Sandhu, Bikkar S.  a     Irrigation of field crops b: principles and practices  c2002  a142PbPCc24cm