Vim qhov xwm txheej ntawm cov txiv hmab txiv ntoo, ntau ntau tuaj yeem tau txais ntawm thaj av tsawg. Nyob ntawm ntau yam tsim tawm, kev lag luam tuaj yeem yog lag luam wholesale (rau cov kua txiv hmab txiv ntoo, cawv txiv hmab, lossis cov khw muag khoom tshiab) lossis cov khw muag khoom (feem ntau cov txiv hmab txiv ntoo tshiab). Qhov kev lag luam sib txawv no tuaj yeem yooj yim haum rau cov kev coj ua tam sim no. Vim tias tus nqi siab ntawm kev tsim lub vaj txiv hmab txiv ntoo, koj yuav tsum ua tib zoo tshawb xyuas txhua yam ntawm lub tuam txhab no, suav nrog kev xav tau ntawm kev lag luam, ua ntej nqis peev rau hauv kev tsim cov txiv hmab txiv ntoo.
Raws li cov2002 Pennsylvania Orchard thiab Vineyard Survey, Pennsylvania muaj 250 chaw ua lag luam vineyards suav nrog 11, 000 acres ntawm grapes, uas tsim ib tug nruab nrab ntawm 5.8 tons ib acre rau tag nrho cov zus tau tej cov ntau tshaj 63,600 tons ntawm grapes. Kev lag luam tsim tau yuav luag $ 15 lab nyiaj tau los rau kev lag luam vineyards. Vineyards nrog ntau tshaj 20 daim av ua 92 feem pua ntawm cov khoom hauv Pennsylvania. Concord grapes rau kua txiv account rau 77 feem pua ntawm tag nrho cov txiv hmab txiv ntoo, thaum lub rooj txiv hmab txiv ntoo tsuas yog 2 feem pua. Txawm hais tias Erie County suav txog 72 feem pua ntawm cov txiv hmab txiv ntoo hauv Pennsylvania, cov txiv hmab txiv ntoo tau loj hlob ntawm me me thoob plaws hauv lub xeev.
Muaj 1,800 daim av txiv hmab txiv ntoo hauv kev cog qoob loo, ua 12 feem pua ntawm tag nrho cov khoom. Native American ntau yam yog feem ntau ntawm cov cawv txiv hmab ntau lawm (feem ntau Concord, tab sis kuj suav nrog cov qoob loo tseem ceeb ntawm Catawba, Niagara, thiab lwm yam). Fabkis-American hybrids (feem ntau zus ntau yam yog Chambourcin, Vidal Blanc, Seyval Blanc, thiab Vignoles) suav txog 3 feem pua ntawm tag nrho cov khoom. Ntau lub vaj txiv hmab tshiab tshiab tau cog nrogCov viniferantau yam xws li Chardonnay thiab Cabernet Sauvignon, uas yog cov piv txwv classic ntawm European wine grapes. Cov txiv hmab txiv ntoo no tau siv los ua cov cawv txiv hmab zoo uas tau tsim los ntawm ze li 115 qhov chaw ua haujlwm tam sim no tau ntawv tso cai hauv Tebchaws Meskas. Raws li cov ntaub ntawv xyoo 2003, kev ua cawv txiv hmab yog qhov loj tshaj plaws ntawm kev lag luam txiv hmab hauv Pennsylvania nrog kwv yees tag nrho cov nyiaj txiag cuam tshuam ntawm $ 200 lab txhua xyoo.
Fertilization ntawm grape vines yuav tsum tau ua tsuas yog yog hais tias tsis muaj nyob rau hauv koj cov av xeem los yog nplooj ntawv xeem. Kev lag luam chiv los yog compost tuaj yeem tshaj tawm tshaj lub vaj txiv hmab. Muaj qee qhov pov thawj tias cov compost zoo yuav zoo dua rau cov vine dua li cov chiv ua lag luam. Compost yuav tsum tau siv sparingly kom txo tau overfertilization ntawm vine. Ib txheej ntawm compost txog ib nti tob hauv qab vine yuav tsum txaus rau thawj ob xyoos.
