db3201 t 128-2008 紫心甘薯生产技术规程

ICS65.020.20B23DB3201DB3201/T128—2008TechnicalRegulationforProductionofPurpleSweetpotatoDB3201/T128—2008IGB/T1.120001GB/T1.220022DB3201/T128—20081GB4285GB/T8321GB/T18407.1-2001purplesweetpotatospringsweetpotato5summersweetpotato64GB/T18407.12001118150g250g50%50050%40010min12min2030DB3201/T128—200821.2m1.3m40cm25cm30cm4cm5cm2cm3cm320kg/m225kg/m21.2m1.3m15cm10cm2cm3cm302cm3cm20kg/m225kg/m215cm415kg/m220kg/m2303580%242870%80%DB3201/T128—2008325cm3d4d25cm30cm0.8m~1.0m0.35m~0.4m1500kg/667m26kg~8kg6kg10kg~12kg3cm25cm4562334353667m23000/667m23500/667m23500/667m24000/667m25d2DB3201/T128—2008450d60d0.2%7d123100kg120kg/667m2GB4285GB8321A150g~%~90%667500~800550%10001050%200ml3%1000g~1500g1.8%10002.5%200050%100ml272%100ml2~3