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...Faculty of agricultural sciences and allied industries lecture properties methods preparation farmyard manure compost a bulky organic manures definition are those materials plant or animal origin which when added to the soil have tendency decrease bulk density increase volume thus providing better physical conditions for growth especially in coarse textured soils also provide essential nutrients smaller quantities than chemical fertilizers characteristics poorer concentration compared these possess wider c n ratio s ratios so supply energy needed microorganisms mineral that available become plants after mineralization judicious combination inorganic is quite maintain fertility status examples fym composts green pouderette biogas slurry sewage sludge molasses vermicompost farm yard cattle composition called consists dung urine litter bedding material like hay straw used slow acting however low analysis fertilizer obtained from animals mixed with other miscellaneous wastes constituents s...