N. Organic N will provide for a long term, slow release nitrogen source. Phosphorus in broiler litter is similar to phosphorus in fertilizers. Phosphorus is tied up by soils into insoluble compounds, with a small amount made available to plants. Phosphorus moves very little through soils. The majority of phosphorus remains in the top few inches of the soil unless it is plowed deeper.
Potassium is usually available for plant use.
Total 58.0 36.2 6.5 2.0 It is estimated that 36.2 pounds of nitrogen are available for plant use the first year. Pounds of Nitrogen Available for Plant Use in the Year of Application in Succeeding Years from One Ton of Broiler Litter.