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題 名 | 西螺地區塑膠防雨簡易設施蔬菜栽培氮磷肥減量之研究=Rate-reducing Use of Nitrogen and Phosphorous Fertilizers for Cultivation of Vegetables in Plastic Protected Structure |
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作 者 | 林晉卿; 黃山內; | 書刊名 | 臺南區農業改良場研究彙報 |
卷 期 | 38 2001.12[民90.12] |
頁 次 | 頁54-68 |
分類號 | 435.2 |
關鍵詞 | 設施栽培; 連作障礙; 土壤肥力; 硝酸態氮; Protected cultivation; The problem of crop succession; Soil fertility; Nitrate nitrogen; |
語 文 | 中文(Chinese) |
中文摘要 | 本省因年雨量分佈不均,熱帶氣旋又常帶來豪雨,在經濟利益的考量下,塑膠設施蔬菜田為之興起。然以塑膠布覆蓋之設施溫室栽培蔬菜,因連年施肥又缺乏雨水淋洗,往往由於養分長期蓄積,造成蔬菜生育阻礙,形成經濟上的浪費及環境的惡化。本場於86年在西螺地區選取一處表土含高鹽分(EC >3 dS m-1)、高硝酸態氮(>40 mg kg-1)、高有效性磷酐(>1000 mg kg-1)之十年塑膠防雨簡易設施蔬菜田,進行氮、磷肥減量施用對短期葉菜類生產之產量及土壤品質的影響研究。由連續3年施肥試驗調查結果發現,每作施用臺肥2號有機質肥料600 kg ha-1,且每年施用豆粕300 kg ha-1兩次,但全不施用氮、磷化學肥料的情況下,試驗統計分析結果顯示,並不會造成蕹菜及莧菜的減產。而且建議於塑膠防雨溫室生產短期葉菜類,土壤中若含有高濃度磷酐,在每作施用有機肥的情況,應該可以不再施用磷肥。 |
英文摘要 | Due to the uneven distribution of rainfall and the damage of tropical storms, vegetable production is very different in the summer. Therefore, the use of simple plastic houses to grow fast-growing vegetables became popular in the last 1-2 decades. However, the continuous application of chemical fertilizers plus the lack of drenches with natural rain waters, accumulation of salts has become a serious problem which limited vegetable production in the houses, and the environment is also polluted. In 1997, a simple plastic house in the major vegetable-producing area in Silo, Yuinlin country, which had been continuously used for vegetable production in the last decade, was used to study the effect of fertilizer rate-reducing use on the cultivation of vegetables. The plot before studies was found with high electrical conductivity (EC >3 dS m-1), high nitrate nitrogen (>40 mg kg-1), and high available phosphoric anhydride (> 1000 mg kg-1). In the experiment period from 1997-2000, 600 kg ha-1 of organic fertilizer (Taiwan Fertilizer No.2) and 300 kg ha-1 of soybean dregs and no N or P chemical fertilizer was used in the plot. Results indicated that yield of water convolvulus and amaranth was not effected. If soil contained high phosphorous, and in the presence of organic fertilizer, phosphorus chemical fertilizer is not necessary. |
本系統中英文摘要資訊取自各篇刊載內容。