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Preparation of Cattle Manure Compost Using Saw Dust and Rice Straw

MM Ali
Department of Animal Production and Management, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh.

FA Khan
Department of Animal Science, Bangladesh Agricultural University, Mymensingh

MM Hossain
Department of Animal Science, Bangladesh Agricultural University, Mymensingh

ANMI Rahman
Department of Animal Production and Management, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh.

Abstract/ Executive Summary:

The experiment was carried out to examine the possibilities of making compost by using cattle manure with saw dust and rice straw by three trials in each. The trials were conducted with cattle manure (T₁), cattle manure with saw dust (T₂) and cattle manure with rice straw (T₃). There were three replications in each treatment. The sample from composted materials was collected at 0 and 60 days for proximate analysis. At 0 day, the highest dry matter (DM), organic matter (OM) and crude fiber (CF) were observed in T₂ . The highest crude protein (CP) and ash content were observed in T₁ while the highest pH was observed in T₃. The carbon nitrogen (C/N ) ratio was the lowest in T₁ . At 60 days of composting cattle manure the highest DM, OM and CF were observed in T₂ comparison with 0 day data. At 60 days of composting the highest CP and ash content were observed in T₂ and the C/N ratio and pH were lowest in T₁ . Therefore, the use of saw dust and rice straw improves quality of cattle manure compost. It may be concluded that proximate composition of all samples at 60 days in T₂treatment was acceptable up to the end of composting period. However, T₂ was more effective compare to other treatments at 60 days of composting in terms of DM, OM, CP, ash content and pH. So, it is recommended that farmers can practice cattle manure composting using saw dust up to 60 days of composting as organic fertilizer.

Keywords: Cattle manure, Composting, Proximate composition, Rice straw, Saw dust

Location: Department of Animal Science, BAU, Mymensingh

Start Date: 30-10-2011

End Date: 30-12-2011

Program Area: Crop-Soil-Water Management

Commodity: Manures

Objectives:

To examine the possibilities of making compost by using cattle manure with saw dust and rice straw.

Methodology:

The experiment was conducted in two phases, the first phase was the preparation of compost and the second phase was laboratory analysis of compost. Preparation of compost and related activities were carried out at the Sheep, Goat and Horse Farm in the Department of Animal Science, Bangladesh Agricultural University (BAU), Mymensingh during the period from 30 October to 30 December, 2011. The laboratory analysis of compost was completed at the laboratory in the Department of Animal Science, Bangladesh Agricultural University, Mymensingh. The experiment was laid out in a complete randomized design. To fulfill the objectives three experiments were conducted e.g., anaerobic composting with only raw cattle manure (T₁ ), cattle manure with saw dust (T₂ ), cattle manure with rice straw (T₃). The raw materials were carried into sac and stored in air tight condition, where rain water was not logged. At first , the place was cleaned and then 3 similar pits were prepared whose diameter and depth were 75 and 45 cm, respectively. After collection the sample was mixed properly and divided each sample in 3 parts then 8 kg saw dust was mixed with one parts and 5 kg rice straw was mixed with another parts to fix the moisture level at 70%. No treatment was given to the rest of the parts. All treated and untreated raw materials were divided into 3 equal parts and filled the previously marked pits located in the Animal Science Field Laboratory, covered with eight cm soil layer and kept for composting for 60 days. The sample from composted materials was collected at 0 and 60 days for proximate analysis. In each treatment there were three replications to minimize the experimental errors. 80? to 40?. The samples were taken at 0 day and 60 days for chemical analysis. Samples were prepared from raw materials (cattle manure) just after collection. Again, samples were collected from T₁, T₂ and T₃after proper mixing of saw dust and rice straw respectively with raw materials. After 60 days, samples were collected from all composting pits and analyzed. The parameters studied were dry matter (DM), organic matter (OM), crude protein (CP), crude fiber (CF), carbon nitrogen (C/N) ratio, ash and pH. Analytical procedures were conducted at the Laboratory of Animal Science Department. The analysis of variance was done by using MSTAT and SPSS computer package program for a Completely Randomized Design and differences among the treatment means were determined by the Ducan’s Multiple Range Test.

Source of Information: BANGLADESH JOURNAL OF ANIMAL SCIENCE, 2015, 44(1) pp-: 64-68

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Saw dust and rice straw have a profound effect on cattle manure composting to the point of nutritional aspects. Use of saw dust and rice straw with cattle manure for composting increases the quality of composting. From the result, it may be concluded that proximate composition of all samples at 60 days in saw dust with raw sample was acceptable up to the end of composting period. However, it was more effective compare to only cattle manure and cattle manure with saw dust at 60 days of composting in terms of DM, OM, CP, ash content and pH. So, it is recommended that farmers can practice cattle manure composting using saw dust up to 60 days of composting as organic fertilizer.

Knowledge Management: Journal