Effect of bulking materials over the composting of bio-slurry

Bangladesh Journal of Animal Science Pub Date : 2021-05-04 DOI:10.3329/BJAS.V49I2.53224

M. Al-Amin, M. Rahman, S. S. Islam, H. Dhakal, Mj Khan, Amin, A. Kabir

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引用次数: 4

Abstract

Bio-slurry is considered as a good quality organic fertilizer in Bangladesh agriculture. An experiment was conducted at Bangladesh Agricultural University, Mymensingh to assess the effect of bulking materials over the composting of bio-slurry. The experiment was conducted with 4 treatments each of 3 replications. The treatments for compost preparation were, T0 (50% Bio-slurry + 50% manure), T1 (50% Bio-slurry + 50% manure and saw dust), T2 (50% Bio-slurry + 50% manure and rice straw), T3 (50% Bio-slurry + 50% manure and tree leaves). Compost moisture, pH, temperature and C: N ratio was assessed every week. Maximum temperature found in T1 (34.03 C) and other treatments showed a slower rise in temperature. Highest C:N ratio (19.30) was obtained in T3. The pH of the compost was significantly influenced by saw dust which ranged from 8.28 in T2 to 8.74 in T1. Moisture content of compost was significantly influenced by bulky materials and ranged from 56.34 to 68.83. At 42 day the highest crude fiber was obtained in T2 (25.16%). The results suggest that bulky materials treated bioslurry can be good compost which will be very effective to soil and crops.

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膨化料对生物浆堆肥的影响

生物浆在孟加拉国农业中被认为是一种优质的有机肥。孟加拉国农业大学在Mymensingh进行了一项实验，以评估膨化材料对生物浆堆肥的影响。试验设4个处理，每3个重复。堆肥处理为:T0(50%生物浆+ 50%粪肥)、T1(50%生物浆+ 50%粪肥+锯末)、T2(50%生物浆+ 50%粪肥+稻草)、T3(50%生物浆+ 50%粪肥+树叶)。每周评估堆肥水分、pH、温度和C: N比。最高温度在T1(34.03℃)，其他处理温度上升较慢。C:N比值在T3达到最高(19.30)。锯末对堆肥pH的影响显著，在T2为8.28 ~ 8.74。堆肥含水量受物料粗大影响较大，在56.34 ~ 68.83之间。42 d时，T2的粗纤维含量最高(25.16%)。结果表明，块状物料处理后的生物浆是一种良好的堆肥，对土壤和作物都有很好的效果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Bangladesh Journal of Animal Science

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