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題 名 | 家畜禽糞堆肥混合砂質土壤對土壤密度與含水量之影響=Effects of Domestic Animal Manure Incorporated Sandy Soils on Soil Bulk Density and Moisture |
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作 者 | 謝昭賢; | 書刊名 | 畜產研究 |
卷 期 | 32:1 1999.03[民88.03] |
頁 次 | 頁71-82 |
分類號 | 434.2311 |
關鍵詞 | 土壤; 壓實; 畜禽糞堆肥; 豬糞堆肥; 牛糞堆肥; 雞糞堆肥; 最大總體密度; 水分含量; Soil; Compaction; Domestic animal manure; Swine manure; Cattle manure; Chicken manure; Maximum bulk density; Moisture content; |
語 文 | 中文(Chinese) |
中文摘要 | 本試驗各以五種不同比率(0、4、8、12及16%)之豬糞堆肥(swine manure, SM)、 牛糞堆肥(cattle manure,CM)及雞糞堆肥(chicken manure, KM)混合於砂質土壤(sandy soil) 及以標準Proctor夯錘夯實混合後之土壤5、15及25次,水分含量從0∼35%,求得土壤最 大乾總體密度(maximum dry bulk density, P□)與最適當的水分含量(optimum moisture content, W□)。當家畜禽糞堆肥從0%增加至16%時,P□之平均值顯著地從1.70減至 1.50Mg/m3,而W□ 之平均值顯著地從14.9增加至21.4%。當P□增加時,W□ 隨著壓實而減 低水分含量。換言之,當P□降低,而W□ 隨著土壤中畜糞堆肥量之增加而增加。本試驗亦 利用畜禽糞堆肥混合比率及夯實靜壓對P□及W□ 之影響求得多重迴歸關係式,並利用簡單 迴歸關係式求得P□與W□之關係。 歸關係式求得P▽max與W▽upl之關係。 |
英文摘要 | Maximum dry bulk density (P□) and optimum moisture content (W□) were measured in the laboratory for the sandy soil incorporated with cattle, swine and chicken composted manure at five levels (0,4,8,12,16% by mass) and compacted using 5,15 and 25 standard proctor hammer blows. Compaction tests on the sandy soil were carried out at different moisture contents ranging from 0 to 35%. Mean P□ decreased significantly (P<0.05) from 1.70 to 1.50 Mg/m□, while mean W□ significantly increased from 14.9 to 21.4% as animal manure increased from 0 to 16%. Multiple regression equations were developed to relate P□ and W□ each to cattle, swine and chicken composted manure contents as well as to compaction efforts. Simple regression equations were also developed to relate P□ to W□. elate P▽max to W▽upl. |
本系統中英文摘要資訊取自各篇刊載內容。