Figure 2

Dry matter of wheat (a–c) and soybean (d–f), and total dry matter (g–i) at 45, 75, and 105 days after seed emergence and maturity under different planting systems: SW (sole wheat), SS (sole soybean), NS (narrow strips; 0.9 m), MS (medium strips; 1.8 m), and WS (wide strips; 2.7 m). Means are averages over three replicates ± standard error of the mean.