6 % ▁of ▁food ▁is ▁imported ▁from ▁abroad . ▁ ▁The ▁structures ▁of ▁organ op ón icos ▁vary ▁from ▁garden ▁to ▁garden . ▁Some ▁are ▁run ▁by ▁state ▁employees , ▁others ▁are ▁run ▁co oper atively ▁by ▁the ▁garden ers ▁themselves . ▁The ▁government ▁provides ▁community ▁far mers ▁with ▁the ▁land ▁and ▁the ▁water , ▁and ▁s ells ▁key ▁materials ▁such ▁as ▁organ ic ▁comp ost , ▁se eds , ▁ir rig ation ▁parts , ▁and ▁organ ic ▁p estic ides ▁called ▁" bio controls " ▁in ▁the ▁form ▁of ▁benef icial ▁insect s ▁and ▁plant - based ▁o ils . ▁These ▁bi ological ▁p est ▁and ▁disease ▁controls ▁are ▁produced ▁in ▁some ▁ 2 0 0 ▁government ▁cent ers ▁across ▁the ▁country . ▁All ▁garden ▁cro ps ▁such ▁as ▁be ans , ▁tom atoes , ▁ban anas , ▁lett uce , ▁ok ra , ▁egg plant ▁and ▁t aro ▁are ▁grown ▁intens ively ▁within ▁Hav ana ▁using ▁only ▁organ ic ▁methods , ▁the ▁only ▁methods ▁permitted ▁in ▁the ▁urban ▁parts ▁of ▁Hav ana . ▁No ▁chemical s ▁are ▁used ▁in ▁ 6 8 % ▁of ▁Cub an ▁corn , ▁ 9 6 % ▁of ▁c ass ava , ▁ 7 2 % ▁of ▁coffee ▁and ▁ 4 0 % ▁of ▁ban anas . ▁Between ▁ 1 9 9 8 ▁and ▁ 2 0 0 1 , ▁chemical s ▁were ▁reduced ▁by ▁ 6 0 % ▁in ▁pot atoes , ▁ 8 9 % ▁in ▁tom atoes , ▁ 2 8 % ▁in