Fig. 5From: Toward the replacement of conventional fertilizer with polyhalite in eastern China to improve peanut growth and soil qualityBasic chemical properties. a Soil pH, b soil EC, c available N, d available P, e exchangeable K, f exchangeable Ca, g exchangeable Mg. The values are means ± standard deviation of the replications (n = 3). Different letters show statistically significant differences among treatments at p < 0.05Back to article page