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Fig. 2. Effects of manure application frequency (before first crop, F1, or before first and second crops, F1 + F2) and rate (recommended rate, R1, or twice the recommended rate, R2) on Harvest 2 (sorghum) dry matter (DM) and N uptake (within a soil type and application rate, application frequency bar means having different lowercase letters differ at P < 0.05; within a soil type and application frequency, application rate means followed by different uppercase letters differ at P < 0.05).
