Fig. 2. Silage dry matter yield as influenced by manure treatment. Error bars that do not overlap indicate treatment means that are significantly different at a probability level of 0.05. CN, composted manure application rate to supply crop nitrogen requirement; CP, composted manure application rate to supply crop phosphorus removal; MN, manure application rate to supply crop nitrogen requirement; MP, manure application rate to supply crop phosphorus removal; NCK, inorganic nitrogen fertilizer check.