Evaluation of sugarcane by-product pressmud as a manure in carp culture [An article from: Bioresource Technology]

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Description:
The effectiveness of pressmud, a sugarcane by-product, was tested as a manure in the production of natural food and carp, by conducting two experiments. The first experiment, of 5 weeks duration, examined the effect of pressmud addition on water quality and natural food production. This study was carried out in fibreglass tubs (1.54m^3) with a 5cm mud layer, employing pressmud at dosages of 5000, 10,000 and 15,000kgha^-^1 for treatments T"1, T"2 and T"3, respectively. Unfertilized tubs served as control (T"0). The second experiment of 120-day duration to study the effect on growth, survival and quality of common carp was conducted in 25m^2 cement tanks with 15cm-mud bottom, using the same dosages of pressmud. The control tanks in this experiment were manured with cattle dung at 10,000kgha^-^1 (T"0). Application of pressmud enhanced (P