Author: M. Asadul Haque, M. Jahiruddin, M. Mazibur Rahman and M. Abu Saleque
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Establishment of huge number of biogas plant in the recent years in Bangladesh creates a burden to disposal of bioslurry. An attempt was undertaken to explore the usability of bioslurry in agricultural crop production under potato-rice system as well as to reduce bioslurry induced pollution. The experiment involved a sole chemical fertilizer treatment, four treatments based on integrated plant nutrition system with 5 t ha-1 cowdung and cowdung bioslurry and 3 t ha–1 poultry manure and poultry manure bioslurry, and a control. The potato crops received manures or slurries, and its residual effect was evaluated on the succeeding T.Aman crop. Poultry manure bioslurry, poultry manure, cowdung bioslurry and cowdung gave 22.5, 20.0, 9.9 and 2.9 % increase in total system productivity, respectively over sole chemical fertilizer treatment. Bioslurries had higher contribution compared to their respective original manure. Bioslurry was found very useful as manure for crop production.
Key words: Bioslurry, Integrated Plant, Nutrition System, Manures, Potato, Rice
DOI: http://dx.doi.org/10.3329/ralf.v2i1.23026
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