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Position: Home > Articles > Effects of Different Calcium Sources on Values of EC and p H of Sphagnum Moss as Phalaenopsis Medium Shandong Agricultural Sciences 2017 (11) 48-51

不同外源钙物质对蝴蝶兰栽培基质水苔EC值和pH值的影响

作者：

郭文姣;张京伟;孙纪霞;张英杰;王爱毅;初美静;刘学庆

单位：

烟台市农业科学研究院

关键词：

钙源;蝴蝶兰;水苔;基质;理化性状

摘要：

以蝴蝶兰品种"大辣椒"为试材,研究了不同外源钙物质对蝴蝶兰栽培基质水苔EC、p H值的影响。结果表明:浇灌清水的情况下EC值随着时间的延长逐渐降低,由0.92 m S/cm下降至0.56 m S/cm。正常肥水管理条件下的EC值逐渐上升,由0.94 m S/cm上升至1.30 m S/cm。而添加Ca O能加剧基质EC值的提升,并随着处理次数的增加,EC值持续增高,第4次处理后测定数值达到1.35~1.38 m S/cm并趋于稳定。与正常肥水管理相比,添加Ca CO3对基质的EC值基本没有影响。随着处理时间的延长,对照组水苔的p H值逐渐降低,浇灌清水的基质p H值由处理前的4.76降至4.57,正常肥水管理的p H值下降趋势更为明显,由开始的4.81下降至最终的4.46。但添加外源钙物质能明显改变水苔p H值。其中,200~600倍Ca O对水苔p H值的改善效果较为明显且效果较为接近,可使基质p H值由4.74~4.77提高至4.88~4.91;添加Ca CO3后,水苔的p H值与对照相比均有提高,但随时间延长呈降低趋势。

译名：

Effects of Different Calcium Sources on Values of EC and p H of Sphagnum Moss as Phalaenopsis Medium

作者：

Guo Wenjiao;Zhang Jingwei;Sun Jixia;Zhang Yingjie;Wang Aiyi;Chu Meijing;Liu Xueqing;Yantai Agricultural Science and Technology Institute;Longkou Environmental Protection Agency;Yantai University;

单位：

Yantai Agricultural Science and Technology Institute%Longkou Environmental Protection Agency

关键词：

Calcium source;;Phalaenopsis;;Sphagnum moss;;Medium;;Characteristics

摘要：

In oder to analysis the effects of different calcium sources on the values of EC and p H of sphagnum moss which was used as Phalaenopsis medium,the variety of Phalaenopsis ‘big chili'was selected as the research materials in this study. The results showed that the EC value of clear water treatment decreased gradually with the prolongation of time,which dropped to 0. 56 m S/cm from 0. 92 m S/cm,while the EC value of normal management practices rose gradually,which rose to 1. 30 m S/cm from 0. 94 m S/cm. Adding Ca O could intensify the EC value of the medium continuously with the treatment times increasing,which could reach to 1. 35 ~ 1. 38 m S/cm and showed a trend to be stable after the fourth time. While adding Ca CO3 had no significant effects on the EC value compared with normal management treatment. The p H value of sphagnum moss in the control group decreased gradually with the prolongation of treatment time,and the p H value fell to 4. 57 from 4. 76 under the condition of clean water and came down to final 4. 46 from 4. 81 in normalmanagement practices. Calcium addition could change the sphagnum moss p H value obviously which could rise to 4. 88 ~ 4. 91 from 4. 74 ~ 4. 77 with 200 ~ 600 times Ca O treatment. The p H value of adding Ca CO3 treatments were all higher than that of the control group,but showed decreasing trend with time.

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不同外源钙物质对蝴蝶兰栽培基质水苔EC值和pH值的影响

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