ICS 65.020.20B 62DB3201DB3201/T 1332008 Standards of the production technology in Cattleya DB3201/T 1332008 b A B b b baaaabIDB3201/T 1332008 aaaa bb b bbGB/T 18247.2 5 :b aab 180cm 75cmb aaaaa+111+111b 8,4b 120mm100mm b Ba 1a2 ab 7 cmj10 cm 12cm b 18 cmj20 cm 15 cm bb 3cm4cm 2cmb 50% 1200 70% 1000 b 2j3 ab 21j29 13j16b 18j21b 10j15b 10b 90 5 70 j80 50b 30 50b ab 2 d b pH 6.5 ,EC 0.6 b 4dj5d 1 b 3 10 N:P:K 20:20:20 1 1 b 1 b 1000 2000 b Peters 20-20-20 2 20-20-20 bbbOsmocote501 15-10-12 Mg2, 2 g/ 3g / 56 1 b 11 2 ba N:P:K 10:30:20 P 1000 1 1 b1000 1 b 20 j24 13 b 9 P 1 1 b aabbb Ab a GB/T 18247.2 5 b b 724939cmb b10a 60j75b bb70 800 50% 500 3d4d 1 bbbb 70 800 70 800 50 500 72% 6000 bbb 50 1000 a 1000 a20 50 800 bb 23 1 baabbb 国内外标准大全豆丁网国内外标准下载地址 http:/www.docin.com/kmust1