Fig. 3From: Enhancement of herbicolin A production by integrated fermentation optimization and strain engineering in Pantoea agglomerans ZJU23Two-dimensional contour plots and three-dimensional response surfaces for effect evaluation. Interaction of corn steep liquor and initial pH (a, b), corn steep liquor and temperature (c, d), and initial pH and temperature (e, f). a, c, e are the two-dimensional contour plots and b, d, f are the three-dimensional response surfacesBack to article page