单效磷和四效磷对土壤藻类的影响

Environmental Pollution Series A, Ecological and Biological Pub Date : 1986-01-01 DOI:10.1016/0143-1471(86)90079-6

M. Megharaj, K. Venkateswarlu, A.S. Rao

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引用次数: 21

摘要

采用平均可能数(MPN)法测定了施用剂量为0.5至5 kg ha - 1的单效磷和喹磷对土壤中藻类种群的影响。单次或连续两次向土壤中添加单营养液对藻类菌群没有抑制作用。即使在接近田间施用量(0.5 ~ 2 kg ha - 1)的情况下，只有连续两次添加喹磷磷对藻类有显著毒性，但单次施用则没有。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Effect of monocrotophos and quinalphos on soil algae

The effect of monocrotophos and quinalphos, applied at rates ranging from 0·5 to 5 kg ha⁻¹, on algal populations was determined in a soil by following the mean probable number (MPN) method. Single or two successive additions of monocrotrophos to the soil had no inhibitory effect on the algal flora. Only two successive additions of quinalphos, even at close to field application rates (0·5 to 2 kg ha⁻¹), were significantly toxic to the algae, but not a single application.

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