The influences of Cd, Cu, Pb and As on peroxidase of rice roots in violet soils of acidic, neutral and alkaline were studied and it was shown that the peroxidase underwent the processes of inhibition and producing resistance.

• 通过四川酸性紫色土、中性紫色土；石灰性紫色土中不同浓度的Cd、Cu、Pb、As对水稻根系过氧化物酶的影响研究；揭示了过氧化物酶受抑制与产生抗性的过程.