DiggingforInformation
Todiscoverwhichplantswereoriginal
toWashington’stime,theteamduglong,shallowrectanglesinseveralplaces.Theydugjustdeepenoughtoseethecluesthatlay underground.
Insomesections,thesoilwasdarkerthanthesurroundingdirt.Thiswasanimportantclue.Washingtonusedrich,manure-likesoilforplanting.Itwasmorefertile.Thisdarkersoilrevealedwheretheoriginalplantingbeds were.
Duringtheirexcavation,theteamdugupshallowsectionsofthegardentolookforcluesinthe soil.
DiggingDeeper
Whattheteamfoundinthesoilwasevenmoreinteresting.TheyfoundpollenandseedsfromWashington’stime.Theycollectedmicroscopicplantcellsamples.Theseweresenttoaspeciallaboratory.There,scientistscoulddeterminethespeciesofeachplant.Thishelpedinformresearchersaboutwhethera plant was indigenoustotheregionorexotic.Washingtonhad both.
ImportingplantsfromotherpartsoftheworldinWashington’sdaywouldhavetakenalotoftime,money,andpower.Washingtonhadit all!
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