頁籤選單縮合
題 名 | 豬厭氣醱酵污泥水於農地利用之研究=The Study of Applying Slurry from Anaerobic Reactors in Pangolagrass Plots |
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作 者 | 黃憲榮; 許晉賓; 陳芳男; 王治華; | 書刊名 | 畜產研究 |
卷 期 | 40:2 2007.06[民96.06] |
頁 次 | 頁129-139 |
分類號 | 445.2594 |
關鍵詞 | 厭氣醱酵; 農地; 土壤污染; Anaerobic fermentation; Farm; Soil pollution; |
語 文 | 中文(Chinese) |
中文摘要 | 豬厭氣醱酵污泥水(簡稱豬厭污泥水)為未經過固液分離之豬場排泄物與沖洗水,直接進入厭氣醱酵槽,經厭氣處理後之污泥水。此污泥若不清除,容易使醱酵槽之功能降低。本試驗為將污泥水清理後,澆灌至盤固草地,探討豬厭污泥水灌溉盤固草地對土壤性狀變化、牧草產量及品質之影響,解決污泥處理之問題,作為往後輔導農民養豬場廢水處理設施之參考。處理分為灌溉清水組(對照組)、灌溉污泥水400(AW400)與灌溉污泥水800(AW800) kg N/ha/yr。每兩月施肥一次,每8週採收一次,試驗期間為91年7月至93年6月。試驗結果顯示對照組、AW400組及AW800組盤固草之粗蛋白質含量及單位產量,三者之間具顯著差異(P < 0.05),而其中AW800組最高;在中洗纖維含量,對照組顯著低於AW400組及AW800組(P < 0.05),而AW400組及AW800組兩者差異不顯著;在酸洗纖維含量,AW800組顯著高於高照組(P < 0.05)。植體分析顯示,總氮(TN)及鋅(Zn)含量在三組之間具顯著差異,(P < 0.05),而其中以AW800組最高;磷酐(P₂O₅)及銅(CU)含量在AW400與AW800兩組均高於高照組(P < 0.05)。土壤性狀方面,在0-15cm之深度採樣上,pH及有機質(OM)在AW400與AW800無顯著差異;但兩組均顯著高於高照組(P < 0.05)。在P、Cu、Zn含量及導電度(EC),三組之間具顯著差異(P < 0.05)。在土壤15-30cm深度上,除了N含量外,其他如pH、OM、N、P、Cu、Zn含量及EC,三組均呈顯著差異(P < 0.05),而其中以AW800組最高。在土壤30-60cm深度上,pH在AW400與AW800差異不顯著,但兩組均顯著比對照組為高(P < 0.05);OM及N方面,AW800組比對照組與AW400顯著較高(P < 0.05);而P、Cu、Zn含量及EC,三組之間呈顯著差異(P < 0.05)。在土壤1m深之滲漏水成分上,AW800組之EC顯著高於AW400組(P < 0.05);TN、NH3N及P含量三組之間均具有顯著差異(P < 0.05),而其中以AW800組最高;在NO₃¯及K含量,AW400與AW800兩組均顯著高於高照組(P < 0.05)。由以上結果顯示,豬厭污泥水,富含植物所需之營養份,且灌溉800 kg組之Cu、Zn在土壤0-15cm深度上分別為28.5 mg/kg及89.6 mg/kg,均未超過國家管制標準。 |
英文摘要 | Anaerobically treated pig wastewater contains solid waste of pigs. If the waste in the anaerobic fermenter is not removed, the efficiency of the anaerobic fermenter will be reduced. In this trial, effluence from the fermenter was used to irrigate the pangolagrass pasture whereby its effect on soil properties, forage yield and quality of the gransses were examined. We believed that the findings of this study would e good reference for the livestock farmer5s to make their waste water facieties function properly. We used tap water to irrigate the pasture as control, and pig anaerobic wastewater in the amounts of 400 and 800 kg N/ha/yr for irrigation identified as Aw400 and Aw800 treatments. We irrigated once every two months and collected samples once every eight weeks. Trial time was from July, 2002 to June, 2003. From the result of the trial, there were significant differences among the control, AW400 and AW800 groups in crude protein contents and unit yield (P < 0.05); The AW800 group was higher in these contents than the other two groups. Control group had much less neutral detergent fiber than AW400 and AW800 groups (P < 0.05), and AW400 and AW800 groups didn't have much difference in content of neutral detergent fiber; AW800 group significantly had more acid detergent fiber than control group (P < 0.05). From plant body analysis after irrigation, significant differences between these three groups were found in contents of total nitrogen (T-N) and Zinc (Zn) (P < 0.05); The AW800 group was higher in these than the other two groups. The control group had much less P₂O₅ and copper (Cu) than AW400 and AW800 groups (P < 0.05). In soil analysis, in samples from 0-15 cm in depth, there was no significant difference between AW400 and AW800 groups in pH or organic matter, but these two groups had significantly higher pH and organic matter than the control group (P < 0.05); There were significant differences between these three groups in content of phosphate, copper, zinc and electricity conductivity (P < 0.05). The AW800 group was higher in phosphate, copper, zinc and electricity conductivity than the other two groups. In samples from 30-60 cm in depth, there was no significant difference between AW400 and AW800 groups in pH, but these two groups significantly had higher pH than control group (P < 0.05); AW800 group significantly had higher content of organic matter and nitrogen than the control and AW400 group (P < 0.05); but there were significant differences between these three groups in contents of phosphate, copper, Zinc and electricity conductivity (P < 0.05). From the chemical analysis of the permeated water under 1 m depth of the soil, AW800 group had significantly (P < 0.05) higher EC than AW400 group; There were significant differences between these three groups in contents of Total-N, NH₃N and P (P < 0.05). The AW800 group was higher in these contents than the other two groups; AW400 and AW800 groups had significantly (P < 0.05) higher contents of NO₃-N and K than the control group. From the results shown above, nutrients that plants need was available in the pig anaerobic wastewater. In amples from 0-15 cm depth in AW800 group, 28.5 mg/kg of copper and 89.6 mg/kg of Zinc were found, but these did not exceed the National standards. |
本系統中英文摘要資訊取自各篇刊載內容。