Fig.4From: Toward the replacement of conventional fertilizer with polyhalite in eastern China to improve peanut growth and soil qualityDistribution ratio of K, Ca and Mg in kernel. a K distribution ratio, b Ca distribution ratio, c Mg distribution ratio. K distribution ratio in kernel = K accumulation in kernel/K accumulation of the plant. Ca or Mg distribution ratio was calculated in the same way as K distribution ratioBack to article page