. ▁Pl ants ▁grown ▁in ▁comp ost ▁so cks ▁have ▁been ▁shown ▁to ▁produce ▁significantly ▁higher ▁o xygen ▁radical ▁abs orb ance ▁capacity ▁( OR AC ), ▁flav ono ids , ▁anth oc yan ins , ▁f ruct ose , ▁gl uc ose , ▁suc rose , ▁mal ic ▁acid , ▁and ▁cit ric ▁acid ▁than ▁fruit ▁produced ▁in ▁the ▁black ▁pl astic ▁mul ch ▁or ▁m atted ▁row ▁systems . ▁Similar ▁results ▁in ▁an ▁earlier ▁ 2 0 0 3 ▁study ▁conducted ▁by ▁the ▁US ▁De pt ▁of ▁Agricult ure , ▁at ▁the ▁Agricult ural ▁Research ▁Service , ▁in ▁Bel ts ville ▁Maryland , ▁confir ms ▁how ▁comp ost ▁plays ▁a ▁role ▁in ▁the ▁bio active ▁qual ities ▁of ▁two ▁st raw berry ▁cultiv ars . ▁ ▁St raw ber ries ▁are ▁often ▁grouped ▁according ▁to ▁their ▁flow ering ▁habit . ▁Trad itionally , ▁this ▁has ▁consisted ▁of ▁a ▁division ▁between ▁" J une - b ear ing " ▁st raw ber ries , ▁which ▁bear ▁their ▁fruit ▁in ▁the ▁early ▁summer ▁and ▁" ever - b ear ing " ▁st raw ber ries , ▁which ▁often ▁bear ▁several ▁cro ps ▁of ▁fruit ▁throughout ▁the ▁season . ▁One ▁plant ▁throughout ▁a ▁season ▁may ▁produce ▁ 5 0 ▁to ▁ 6 0 ▁times ▁or ▁roughly ▁once ▁every ▁three ▁days . ▁ ▁Research ▁published ▁in ▁ 2 0 0 1 ▁showed ▁that ▁st raw ber ries ▁actually ▁occur ▁in ▁three ▁basic ▁flow ering ▁hab its : ▁short - day , ▁long - day ,