臺灣屏東沿海蓮霧園鹽害現況調查

Study on the Salinity Status of Costal Wax Apple Orchards in Pingtung, Taiwan

蔡尚翰(Shang-Han Tsai) ； 蘇博信(Bo-Shin Su) ； 林永鴻(Yong-Hong Lin) ； 顏昌瑞(Chung-Ruey Yen)

《作物、環境與生物資訊》 12卷2期 (2015/06) Pp. 105-112

https://doi.org/10.30061/CEB.201506_12(2).0004

摘要

蓮霧為臺灣重要的經濟果樹，通常以栽植於沿海地區之蓮霧品質較佳，所以地層下陷及海平面上升導致的鹽化可能因此影響蓮霧的生長。本研究乃對鹽埔、東港、佳冬及枋寮地區蓮霧園之灌溉水、土壤及蓮霧葉片進行分析，以了解鹽害現況。經調查灌溉水及植體的鹽分狀況結果，顯示供試果園中以東港地區果園之灌溉水電導度（EC）測值最高，水中也含有較高的鈉及鎂離子。由土壤分析結果，顯示東港及佳冬蓮霧園土壤之電導度值、氯、鈉及鎂離子含量也較枋寮及鹽埔試區高。東港果園蓮霧葉片中的氯、鈉、鎂離子含量及葉片電解質滲漏率亦較其他試區果園高。

關鍵字

屏東 ； 蓮霧 ； 鹽化

並列摘要

Wax apple (＂Syzygium samarngense＂ Merr.et Perry) is an important tropical fruit in Taiwan. Usually the fruit quality of wax apple grown at coastal orchards is better than grown at other areas. Salinity as result of land subsidence and climate changes may affect growth of wax apple. In this study, irrigation water, soil, wax apple leaves from orchards located at the Townships of Yenpu (YP), Donggang (DG), Jiadong (JD) and Fanglian (FL) were used to investigate salinity status of the selected sites. Among tested orchards, the irrigation water from DG had the highest values of electrical conductivity (EC) and contents of Mg and Na. The results of soil analyses indicated that EC and contents of Cl, Na, and Mg from orchards of DG and JD were higher than those of FL and YP. Contents of Cl, Na, and Mg and electrolyte leakage in wax apple leaves from DG orchards are also higher than those from other orchards.

並列關鍵字

Pingtung County ； Wax apple ； Salinity