青云翻译

Exogenous arsenic na2haso4 ? H2O, in the form to join. Pot soil 200g, water wetting balance two days after transplanting centipede grass seedlings

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Extraneous source arsenic by Na2HAsO4 ?The H2O form joins.Each trough adds earth 200g, after the water used balances 2 day to transplant the ciliate desert-grass seedling moist

In arsenic source outside HAsO Na 2 2 4 ? H O form to join. Each basin, and 200 G water wetting balance 2 days centipede grass seedlings mrts.

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