发布时间:2025-01-24 19:19:36
茶花幼苗培育不宜用瓷盆、塑料盆,用泡水1至2天然后晾干的新泥瓦盆为宜,盆器稍深为好,以瓦片、煤渣、碎石等填充底部约四分之一,以利排水;盆器口径一年苗9-11厘米适宜,二年苗12-14厘米适宜。培养基质应选用微酸性、肥沃、排水良好的混合土,可用沙质壤土、腐叶土、细砂土以5:3:2比例配制,忌用碱性土或黏性土。
开一家大概40个房间的宾馆装立试空调还是中央空调比较实惠造价在多少
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