查詢結果分析
來源資料
頁籤選單縮合
題 名 | 臺灣北部地區不同農耕法土壤肥力及微生物族群數之調查=Effect of Different Farming Practices on Soil Fertility and Population Dynamics of Soil Microorganism in Northern Taiwan |
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作 者 | 莊浚釗; | 書刊名 | 桃園區農業改良場研究彙報 |
卷 期 | 57 民94.06 |
頁 次 | 頁40-47 |
分類號 | 434.227 |
關鍵詞 | 土壤肥力; 溶磷菌; 有機農耕法; 慣行農耕法; Soil fertility; Phosphate solubilizing microorganism; Organic farming; Conventional farming; |
語 文 | 中文(Chinese) |
中文摘要 | 為探討台灣北部地區不同農耕法對土壤肥力及微生物族群動態之影響,以有機農耕法與慣行農耕法之作物根圈與非根圈土壤為樣本,測定土壤肥力及微生物族群數之消長,藉供推廣生物肥料之參考依據。本試驗共調查水稻田40處,其中有機農耕法與慣行農耕法各20處;蔬菜園30處,其中有機農耕法18處,慣行農耕法12處。調查結果顯示,有機農耕法之土壤生質氮與微生物族群數較慣行農耕法高約2~4倍,而蔬菜園又較水稻田高約2~5倍。根圈土壤之總細菌數、總真菌數及溶磷菌族群數為非根圈土壤之4~30倍。蔬菜園之土壤肥力約為水稻田之2倍。 |
英文摘要 | The purpose of this study was to determine the effect of different farming practices on soil fertility and population dynamics of soil microorganism in northern Taiwan. Soil samples of rhizosphere and non-rhizosphere from organic farming and non-organic farming rice and vegetable fields were collected to analyze their fertility and microorganism population. Twenty organic and 20 non-organic rice fields as well as 18 organic and 12 non-organic vegetable fields were investigated. Results showed that the biomass nitrogen and microorganism population in organic farming soil were 2 ~ 4 times higher than that in non-organic farming soil. However, the biomass nitrogen and microorganism population in vegetable field was 2 ~ 5 times higher than that in rice field. The population of microorganism in rhizosphere soil was 4 ~ 30 times higher than that in non-rhizosphere soil. The soil fertility in vegetable field was 2 times higher than that in rice field. |
本系統中英文摘要資訊取自各篇刊載內容。