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標題: Studies of Available Water for Five Organic Media
作者: 葉士財
Shih-Tsai Yeh
Sheng-Lin Lin
Woo-Nang Chang
關鍵字: 極有效水;Media;緩衝水;水分總計;介質;Easily available water;Water buffer capacity;Water content
Project: 興大園藝, Volume 23, Issue 2, Page(s) 91-102.
Horticulture NCHU, Volume 23, Issue 2, Page(s) 91-102.
Five organic media, spent golden mushroom compost (GM), peat moss (PM), rice hull (RH), sugercane compost (SC), and apent shitake mushroom compost (SM), were used to grow Impatiens wallprana and Begonia semperflorens in 15cm pots for 6 months. As the planting period increased, soil moisture curve declined less in magnitude when water tension of the media exceeded 10 kPa. Mean total water content and easily available water tested media did not reach a favorable level before use. Except for rice hull, warter buffering capability of the other four media were around 5%. But all of them reached favorable level except in Shitake mushroom compost after used for 6 months. In comparison, organic media used before and after 6 months, available water of all media increased and was smallest in Shitake mushroom compost ahd was highest in rice hull. In no-p;ant control pots, the trend of available water increased. Therefore, the primary factors on physical properties are the media themselves and the placing period media.

ISSN: 0255-5921
Appears in Collections:第23卷 第02期

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