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1、health.?Whataresomeoftheproblemscausedbychemicalfertilizers?First,theydamagethelandbykillingthehelpfulbacteriaandpestsaswellastheharmfulones.Chemicalsalsostayinthegroundandundergroundwaterforalonogtime.Thisaffectscropsand,therefore,animalsandhumans,sincechemicalsgeti
2、nsidethecropsandcannotjustbewashedoff.Thesechemicalsinthefoodsupplybuildupinpeople’sbodiesovertime.Manyofthesechemicalscanleadtocancerorotherillnesses.Inaddition,fruit,vegetablesandotherfoodgrownwithchemicalfertilizersusuallygrowtoofasttobefullofmuchnutrition.Theymay
3、lookbeautiful,butinsidethereisusuallymorewaterthanvitaminsandminerals.?Withthesediscoveries,somefarmersandmanycustomersarebeginningtoturntoorganicfarming.Organicfarmingissimplyfarmingwithoutusinganychemicals.Theyfocusonkeepingtheirsoilrichandfreeofdisease.Ahealthysoi
4、lreducesdiseaseandhelpscropsgrowstrongandhealthy.Organicfarmers,therefore,oftenpreferusingnaturalwastefromanimalsasfertilizer.Theyfeelthatthismakesthesoilintheirfieldsricherinmineralsandsomorefertile.Thisalsokeepstheair,soil,waterandcropsfreefromchemicals.?Organicfar
5、mersalsousemanyothermethodstokeepthesoilfertile.Theyoftenchangethekndofcropineachfieldeveryfewyears,forexample,growingcornorwheatandthenthenextyearpeasorsoybeans.Cropssuchaspeasorsoybeansputimportantmineralsbackintothesoil,makingitreadyforcropssuchaswheatorcornthatne
6、edrichandfertilesoil.Organicfarmersalsoplantcropstousedifferentlevelsofsoil,forexample,plantingpeanutsthatusetheground’ssurfacefollowedbyvegetablesthatputdowndeeproots.Someorganicfarmerspreferplantinggrassbetweencropstopreventwindorwaterfromcarryingawaythesoil,andthe
7、nleavingitinthegroundtobecomeanaturalfertilizerforthenextyear’scrop.Thesemanydifferentorganicfarmingmethodshavethesamegoal:togrowgoodfoodandavoiddamagingtheenvironmentorpeople’shealth.??Anearlyfarmerpioneer?SomepeoplethoughtJiaSixiewasaluckyman.Hehadworkedfortheemper
8、orandwhenhegotold,hewasabletogohishometowntorelax.JiaSixie,however,hadotherplans.Hehadalwaysbeeninterestedinagricultureandintendedt
