00397nam a2200133 a 450000500170000000800410001704100080005808200120006610000190007824500750009726400650017230000100023770000160024720260717091448.0260717s1987    ii            000 0 eng d  aeng04a631.5211 aAgarwal, V. K.10aSeed-borne diseases of field crops and their control /cAgarwal, V. K. 1aNew Delhi :bIndian Council of Agricultural Research,c1987.  a69 p.1 aNene, Y. L.