In the land of iron acid to melt water coming out, and if there is water, the concentration of Hydrogen-sulfide. There are a lot more because there is a much higher microbial activity and organic material in the soil increases in certain types of. Makes 30-day range. But after the harvest. The quantity of iron reduction may occur during harvest, there are no water solubility of iron reduction and treatment with the most reduced iron is 6 treatments is 660.63, and there is a statistical difference (0.01-0.05, *)
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