Managing Livestock Manures 4: Managing Manure on Organic Farms

Table 1: Typical total nutrient content of livestock manures from conventional systems (fresh weight basis)

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1)    Value of N and K2O will be lower for FYM stored for long periods in the open.
2)    Values for typical diluted slurries, pro rata adjustment for nutrient content can be made based on slurry DM.
ND = no data; composting can reduce the N content of manures

Source: DEFRA RB209

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