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Table 2.

Impact of the method of processing bird droppings on the chemical composition of the final product, %

Indicators Bird droppings, native Heat treated bird droppings Vacuum drying Microwave treated (powder)
Dry matter 89.8 81.0 80.69 94.3
Organic matter 88.9 61.0 60.73 88.4
Nitrogen 2.15 3.25 4.30 4.59
Potassium 0.70 2.7 2.18 1.80
Phosphorus 1.48 1.75 1.09 3.70

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