▁state ▁population ▁depend ▁directly ▁upon ▁agricult ure . ▁The ▁main ▁c ere als ▁grown ▁in ▁the ▁state ▁are ▁whe at , ▁ma ize , ▁rice ▁and ▁bar ley . ▁K ang ra , ▁Mand i ▁and ▁Pa ont a ▁valley ▁of ▁Sir ma ur ▁district ▁( to ▁some ▁extent ) ▁are ▁the ▁major ▁produ cers ▁of ▁the ▁first ▁three ▁c ere als , ▁while ▁bar ley ▁is ▁mostly ▁cultiv ated ▁in ▁Sh im la . ▁F ruit ▁cultiv ation ▁has ▁also ▁proved ▁to ▁be ▁an ▁economic ▁bo on ▁to ▁the ▁state . ▁There ▁are ▁huge ▁tract s ▁of ▁land ▁suitable ▁only ▁for ▁growing ▁f ruits . ▁F ruit ▁of ▁all ▁cultiv ation ▁does ▁not ▁add ▁to ▁the ▁problem ▁of ▁soil ▁er os ion ▁and ▁its ▁employ ment ▁potential ▁is ▁more ▁than ▁the ▁conventional ▁far ming . ▁The ▁yield ▁per ▁a cre ▁in ▁terms ▁of ▁income ▁is ▁also ▁much ▁higher . ▁ ▁Apple ▁produces ▁the ▁maximum ▁income . ▁F ruit ▁growing ▁in ▁the ▁state ▁is ▁fetch ing ▁over ▁R s . ▁ 3   b ill ion ▁ann ually . ▁Special ▁efforts ▁are ▁being ▁made ▁to ▁promote ▁cultiv ation ▁of ▁cro ps ▁like ▁ol ives , ▁fig s , ▁h ops , ▁m ush rooms , ▁flowers , ▁p ist ach io ▁n uts , ▁s arda ▁mel on ▁and ▁sa ff ron . ▁The ▁state ▁has ▁also ▁earned ▁the ▁name ▁of ▁the ▁Apple ▁State ▁of ▁India ' '. ▁ ▁Indust ry ▁▁ ▁E col ogy ▁has ▁been ▁given ▁importance ▁in ▁the ▁state ▁during