00293nam a2200109Ia 450000500170000000800410001708200160005810000180007424500390009226000440013130000080017520260224040834.0260224s9999||||xx |||||||||||||| ||und||  a633.739 CHA  aChaube, H.S.  0aCrop diseases and their management  aNew Delhi: Prentice-Hall of Indiac2005  a307