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題 名 | Effects of Soil Factors and Management Practices on Soil Fertility and Gladiolus Growth in a Slate Alluvial Soil=粘板岩沖積土之土壤因子與田間操作對土壤肥力及唐菖蒲生育之影響 |
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作 者 | 劉文徹; 吳國典; 姚財寶; 陳芳; 陳文輝; | 書刊名 | 臺灣糖業研究所研究彙報 |
卷 期 | 158 1997.12[民86.12] |
頁 次 | 頁45-55 |
分類號 | 435.452 |
關鍵詞 | 唐菖蒲; 粘板岩沖積土; 有機堆肥; 鹽類累積; Gladiolus; Slate alluvial soil; Organic manure; Salt accumulation; |
語 文 | 英文(English) |
中文摘要 | 溪湖糖廠雖有多項有利球根花卉養球條件,但其石灰性粘板岩沖積土並非最適生 產唐菖蒲種球。本研究之目的即為探討該類土讓之何種參數影響唐菖蒲生育,及田間 慣行操作對這些參數之影響,以為用於塑造最適宜唐菖蒲生育之土壤環境。試驗結果 顯示:當土壤pH值大於7.8時木子萌芽受影響。土壤飽和萃取液之EC值大於2.0 dS m�笐� ,Cl 含量高於 110 mg L �笐薄A唐菖蒲之生育受抑制。 鹽類影響唐菖蒲之程度隨唐菖蒲之 品種與種植時之種球大小而異。種球愈大,抗鹽度愈高,木子對鹽類最敏感。唐菖蒲之抗鹽 度依序為:Fidelio>Wig's Sensation>Carqueiranne。施用腐熟之豬糞有機堆肥可降低耕犁 層之 pH 值,增加種球之鮮重。長期施灌豬糞尿之地區,土壤之有機質,總磷及可溶性磷含 量均比未曾施灌區者高。在此區種植唐菖蒲,可不必施用有機肥;磷肥施 50-100kg P �� O �νa �笐薑w足。 水深 20 mm 每週噴灌一次,連續施灌六個月,植床之表層會有鹽類累積 之現象。 |
英文摘要 | The Agronomhy Farm of Chihu Sugar Factory has generally favorable conditions, but its calcareous slate alluvial soil is not very suitable for gladiolus growth. The objectives of this study were to investigate which soil parameters stunted gladiolus growth, and to understand how changing those parameters could modify the soil to enhance gladiolus growth. The results showed that the germination of cormels was suppressed when soil pH was higher than 7.80. The growth of gladiolus was stunted when EC was higher than 2.0 dS m �笐�, or/and Cl �笐� was higher than 110 mg L �笐� in the soil saturation extract. The extent of damage caused by salts varied with the gladiolus variety and corm size sowed. If the size of corm sowed was larger, the salt tolerance of growing gladiolus was higher. Cormels were highly sensitive to salts. The salt tolerance of gladiolus was in the sequence of Fidelio>Wig's Sensation>Carqueiranne. Application of a high amount of swine manure could decrease tha soil pH and increase the yields of corms and cormels. Continual application of swine lagoon effluent increased organic matter content, total P, and soluble P concentrations in the soil. No organic manure amendment is needed; and application of P fertilizer could be reduced by 50-100kg ha �笐� in P �� O �λor growing the gladiolus in fields with long-term application of swine lagoon effluent. With successive 20 mm depth irrigation once a week over a six-month growth period, salt accumulation occurred on the top of planting beds. |
本系統中英文摘要資訊取自各篇刊載內容。