00560nam a22002057a 4500003000400000020001800004082001600022100002200038245003900060260004900099300001000148546001200158650002600170650002300196650002800219650004200247700001800289700002600307700002100333OSt  a9789387893979  a630bLOK/MA  aLokesh Kumar Jain  aManual on fundamentals of agronomy  aJodhpurbScientific Publishers (India)c2020  a240p.  aEnglish  aCrop weed competition  aHerbicide sprayers  aIrrigation efficiencies  aSpray distribution system of sprayers  aRavindra Jain  aHanuman Prasad Parewa  aSawai Dan Ratnoo