3 research outputs found
Fate of compost nutrients as affected by co-composting of chicken and swine manures
Passive aeration co-composting using four
mixtures of chicken manure and swine manure at 1:0, 1:1, 3:7 and
0:1 with sawdust and rice husk was carried out to study the effects
of co-composting on the physicochemical properties of the organic
materials. The experiment, which lasted 66 days, was carried out in
bins equipped with inverted T aeration pipes. The results showed
that nutrient losses decreased as the proportion of chicken manure
in the mixtures decreased for saw dust and rice husk treatments.
This indicates better nutrientst conservation during composting in
swine than chicken manure. Manure mixtures with rice husk had
higher pile temperatures total carbon and total nitrogen
losses, while manure mixtures with saw dust had higher total
phosphorus loss and carbon to nitrogen ratio. Composts with rice
husk demonstrated the ability to reach maturity faster by the rate of
drop of the carbon to nitrogen ratio