b'Andys Advice:Turkey Manure For Potato Nutrition By Andy Robinson, Extension Potato Agronomist, NDSU/UMNmanurewithorwithoutESNhadgram.similar yield to the grower standard. Based on these results and previousProcedures work, turkey manure has proven toFieldstudieswereestablishednear be a suitable option for potato fertil- Perham, MN in a commercial potato izer.field in 2021 and 2022. A random-ized complete block with four repli-RationaleForConductingThecationswasutilized.Plotswere Researchplanted on 28 April 2021 and on 28 In 2019 and 2020 research was con- May 2022 with Russet Burbank at 12 ductedtocompareturkeymanureinchwith-in-rowspacingon36-with ESN or urea. At about a third ofinch spaced rows. Prior to planting thetotalnitrogen,turkeymanureturkey manured was spread over the had numerically lower yield but notplot areas. The planting equipment Executive Summaryasignificantlydifferentyieldthanand hilling was used to incorporate Turkey manure is a local source of NESN and urea in 2019 and in 2020.the turkey manure. In 2021, turkey thathasbeenusedinpotatopro- Describingthebenefitsofturkeymanure was analyzed and found to duction.Withfertilizerpricesmanureasasourceofnitrogenishave 51 lb N/ton, 49 lb P 2 0 5 /a, and increasing substantially in 2021 andimportantasthepotatoindustry34lbK 2 0/a.In2022turkey 2022, alternative sources of fertilizercontinues to seek more sustainablemanuredhad47lbN/ton,37lb areimportant.Thefocusofthissources for plant nutrition. BuildingP 2 0 5 /a,and28lbK 2 0/a. studywastoevaluateturkeyupon the previous work, we focusedEnvironmentallySmartNitrogen manure and Environmentally Smarton different rates of turkey manurewas applied on 9 May 2021 and on Nitrogen(ESN)onRussetBurbankand the mixture of turkey manure6 June 2022 and hilled in the fol-potatoproduction.TheoverallwithESN.Theobjectiveofthislowingday.Vineswereremoved objectiveofthisprojectwastostudywastodeterminethebestwith a vine chopper on 7 September increasepayableyieldforpotatonitrogenfertilizationoptionutiliz- 2021andharvestedwithasingle growersinMinnesotaandNorthingturkeymanureasthemajorrow plot harvester on 9 September Dakota. The use of 3 tons/a turkeysource of nitrogen and compare this2021.Inthesecondyearofthe manure with ESN or 5 tons/a turkeyto the grower standard fertilizer pro- studyvineswereremovedon12 12 POTATO GROWER JANUARY 2023'