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來源資料
頁籤選單縮合
題 名 | 豬糞尿農地消納之研究 |
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作 者 | 嚴式清; | 書刊名 | 農業工程學報 |
卷 期 | 32:3 1986.09[民75.09] |
頁 次 | 頁42-52 |
分類號 | 434.2311 |
關鍵詞 | 消納; 農地; 豬糞尿; |
語 文 | 中文(Chinese) |
中文摘要 | 豬糞尿農地消納為一項兼具歷史傳統與現代科技的廢棄物處理及再利用方法。農地對生化需氧量、植物養分及鹽分的負荷率經由滲漏計及田間試驗來加以探索,所得結果摘要如下: 1.蔗田承受豬糞尿一次施灌之生化需氧量最高負荷在粗、中、細三種不同質地土壤上分別為2.3、1.6及0.8公噸/公頃。 2.養分負荷率以氮為計算基礎,一作生長十五個月的甘蔗可以承受400~450公斤/公頃的糞尿液銨態氮來代替化學氮肥(80﹪),換言之,每公頃約可消納44至50頭豬隻之糞尿量。 3.豬糞尿灌溉5至10次後,土壤中鹽份可能累積至影響作物正常生長的程度。土壤鹽化速度之快慢決定於其排水條件。 4.長期消納豬糞尿之農田,必須有一監測系統。每年至少測定一次土壤鹽分及地下水硝態氮含量,以確保廢棄物處理計畫之安全成功。 |
英文摘要 | Land application of swine wastes is a method for waste disposal and reuse with historical sense and modern technology. The loading rates of BOD, nutrients and total salts of the swine waste slurry were determined by lysimeter and field experiments. The results obtained are summarized as follows: 1.The maxima of BOD loading rates for each application of swine waste slurry in sugarcane field of coarse, medium and fine-textured soils were found to be 2.3, 1.6 and 0.8 ton/ha, respectively. 2.Nutrient loading rate, in terms of NH₄-N content in swine waste slurry, for one crop of sugarcane was in the range of 400 to 450 kg/ha. The amount approximately equal to the total excretion of 44 to 50 hogs in 15 months. 3.Salt may be accumulated to a detrimental extent in the soil after 5 to 10 applications of swine waste slurry depending on the drainage conditions of the land. 4.A monitoring system is needed for a long-term land application of swine wastes. Salt content of soil and NO₃-N content of ground water should be determined each year to guarantee a successful waste disposal project. |
本系統中英文摘要資訊取自各篇刊載內容。