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在中性及酸性紫色土上,pH2模拟酸雨喷淋蔬菜,使叶片产生褐斑、生物活性下降、生长严重受阻,产量较对照低23—85%,品质变差,叶绿素、氨基酸及维生素 C 含量下降,萝卜的可溶性糖及钙、镁等含量减少。在酸性土上,pH3酸雨对大多数作物的生长有抑制作用,产量稍有下降。根灌酸雨对蔬菜地上部影响较小,对地下部的生长发育有抑制作用,尤其在酸性土上,pH2处理的植株,受害更为严重,根量明显减少。
On neutral and acidic purple soil, pH2 sprayed vegetables with simulated acid rain, which caused brown spots on the leaves, decreased the biological activity and severely inhibited the growth. The yield was 23-85% lower than that of the control, and the quality was deteriorated. The contents of chlorophyll, amino acids and vitamin C Decline, radish soluble sugar and calcium, magnesium and other content decreased. On acid soils, acid rain at pH 3 inhibited the growth of most crops, yielding a slight decrease. Acid rain with root irrigation had little effect on the shoots of the vegetables, and inhibited the growth and development of the underground parts. Especially on acid soils, the plants treated with pH2 harmed more seriously and the amount of roots significantly decreased.