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頁籤選單縮合
題名 | 有機質肥料施用對蔬果硝酸與銅鋅含量之影響=Effects of Organic Fertilizers on Nitrate, Cu and Zn Contents in Vegetables |
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作者 | 譚鎮中; 王銀波; 李振州; | 書刊名 | 農林學報 |
卷期 | 47:1 1998.03[民87.03] |
頁次 | 頁107-114 |
分類號 | 434.231 |
關鍵詞 | 有機肥料; 植體硝酸態氮; 銅; 鋅; Organic fertilizer; Plant nitrate; Cu; Zn; |
語文 | 中文(Chinese) |
中文摘要 | 由於有機農業的提倡,有機肥料的使用日漸增加。有機肥料的大量使用下,有機 質材不斷的礦化,是否會造成蔬果中硝酸態氮的累積為本研究之主要目的之一。硝酸鹽攝取 太多,對人體而言是一種有害物質。另外,禽畜糞堆肥中含有的銅鋅是否會使作物銅鋅含量 增加亦為本研究之目的。 在有機農業試驗田區採樣比較,施用有機肥料下的蔬果可食部份的硝酸態氮含量是否與 施用化學肥料者有所差異。調查的對象包括楊桃、蕃茄、番石榴、木瓜、文旦、及茼蒿。並 無證據可顯示施用有機肥料會使植體中可食部份的硝酸態氮與銅鋅含量比施用化學肥料者 高。 |
英文摘要 | Accumulations of nitrate, Cu and Zn from crops will be harmful to human health. The purpose of this study was to test whether the plant nitrate, Cu and Zn contents will increase after application of organic fertilizers. Comparing with the crops under conventional chemical fertilization, no significant evidence could be found to show that the nitrate, Cu and Zn contents of Averrhora carambola fruit, tomato, guava, papaya, shaddock and Chrysanthemum cornarium were higher under organic fertilization. However, some Cu and Zn contents in crop were higher under organic fertilization. |
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