00310nam a22001097a 4500003000400000008004100004082001900045100003100064245007100095260002600166300000800192OSt240109b        |||||||| |||| 00| 0 eng d  aR630.954bI-5N  aInst. of Agril. Res. Stat.  aNational index of agril. field experiments : West Bengal (1948-53)  aNew DelhibICARc1962  a226