查詢結果分析
相關文獻
- 中部多作蔬菜栽培區土壤重金屬含量調查
- 由鎘及鉛存在形態來探討萃取法及電動法土壤復育效率
- 表面塗裝材料中可溶出重金屬鋇來源之探討
- Chlorides Affecting the Speciation and Partitioning of a Single Heavy Metal in a Waste Incineration Process
- 有機質肥料施肥機之研發與應用
- 以不同消化方法探討本省南部及東部農業區與都會區數種土壤中重金屬含量及其存在形態的差異
- 藉溫控穩定不添加重金屬皮蛋製程
- 九孔及其飼料龍鬚菜之重金屬含量
- 常用蔬菜、水果與傳統飲料對重金屬鹽之抗致變性
- 探針注入式深層施肥機之研製及試驗改良
頁籤選單縮合
題名 | 中部多作蔬菜栽培區土壤重金屬含量調查= |
---|---|
作者 | 王錦堂; 陳鴻堂; 賴惠珍; |
期刊 | 臺中區農業改良場研究彙報 |
出版日期 | 19940300 |
卷期 | 42 1994.03[民83.03] |
頁次 | 頁11-20 |
分類號 | 435.2221 |
語文 | chi |
關鍵詞 | 多作栽培; 施肥; 重金屬; Multiple cropping; Fertilization; Heavy metals; |
中文摘要 | 為探討本省中部多作蔬菜栽培地區之施肥與重金屬含量之關係,1990 年度於彰化縣鹿港、溪湖、社頭、台中縣后里、石岡及台中市南屯等地各選擇5 處,並以大城一般地區5處作為對照,共計35處,分別調查比較葉菜、花菜、 豆類、瓜類、馬鈴薯等蔬菜之生育狀況及產量,以探討施肥和土壤之理化性及重 金屬含量之相關。調查結果顯示:在種植前採樣中蔬菜園土壤重金屬含量屬高量 者有鎘7處、銅1處及鎳1處等。至收穫時含量由中量提高者有鉛1處及鋅11 處,且鋅含量有表土11處、底土8處提高為高含量級,另鉻含量種植前屬低量 級者有24處,但至收穫時35處全部均提高成為中含量級,顯示蔬菜園土壤之重 金屬含量確在增加。分析施肥量對收穫時土壤及生育期葉片重金屬含量關係顯 示:氮肥施用量增加對蔬菜產量及收穫時之土壤鎘含量呈極顯著正相關,對生育 期葉片鎘含量亦呈極顯著正相關。磷肥施用量增加對生育期葉片鎘含量呈顯著正 相關。鉀肥施用量增加對收穫時之土壤鎘含量及生育期葉片鎘含量亦分別呈極顯 著及顯著正相關。肥料施用量增加造成對土壤重金屬含量的提高,可能與肥料施 用直接或間接促進土壤重金屬的溶解度有關,施用的肥料及農藥資材本身亦可能 受含有重金屬有直接的影響。此外,長期由於灌溉水、有機質肥料等資材也可能 是重金屬污染的來源,值得進一步探討。 |
英文摘要 | The purpose of this study was to survey the heavy metal contents of soils as affected by continuous application of chemical fertilizers. The data were collected from 35 plots of vegetable garden of central Taiwan in 1990. The results showed that the contents of soil heavy metals such as Cd and Ni were higher before planting than after harvest. The contents of Pb and Zn increased in soils when vegetables were harvested, and that of Cr in soils increased from low level to medium. The results from the analysis of vegetable leaf in maturity stage showed that amounts of fertilizers applied to soils was correlated with the contents of heavy metal in plant tissues. For instance, the over use of nitrogen fertilizer leads to an increase in the contents of Cd in leaf. In addition,increasing application of phosphate and potassium fertilizer enhances Cd content in plant leaf. As a matter of fact, the trend of increasing heavy metal contents in the soils of vegetable gardens has been found lately. Based on the results of this survey, it was suggested that farmers have to concern the contents of heavy metals in the edible part of vegetables which may be harmful for human health. The contents of heavy metals in fertilizers also need to be further certified. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。