Fig. 3From: Effects of torrefied wood chip and vermicompost application on vegetation growth and nutrient uptake in the Saemangeum reclaimed landUptake of a N, b P, c K, d Ca, e Mg, and f Na by weeds in response to three levels of torrefied wood chip (0, 2.5, and 5 Mg ha−1) and two levels of vermicompost (0 and 2.7 Mg ha−1) treatment. Vertical bars represent standard errors (n = 3). Different letters indicate significant differences between treatments at ɑ = 0.05Back to article page