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Fig. 1. (A) Changes in Bray-1 soil P during perennial forage green manure crop growth (Day 0 to Day 59) and decomposition (Day 59 to Day 91) and during growth of a succeeding sorghum crop (Day 91 to Day 129) (n = 8 replicates for Days 0 and 59; n = 4 for Days 91 and 129). (B) Changes in Bray-1 soil P during winter cover crop green manure growth (Day 0 to Day 38) and decomposition (Day 38 to Day 77) and during growth of a succeeding sorghum crop (Day 77 to Day 117) (n = 8 replicates for Days 0 and 38; n = 4 for Days 77 and 117). Values are adjusted means, and error bars are ± 1 SE, determined using repeated measures analysis.
