Nitrate nitrogen fertilizer
Nitrate nitrogen is available early, and the effect of top dressing fertilizer is high. The main component is nitrogen, and sodium and calcium ions also work. Nitrate ion with negative electricity, soil rubber adsorption difficult. However, soluble water has a fast effect, and has strong moisture absorption and deflagration.
Sodium nitrate
The saltpeter nitrate in Chile was mostly used in the drylands. The earliest crop was beet, radish and flax. Nitrogen burning is a business, but also suitable for other crops. Physiological reactions are alkaline, do not use salt and water.
Calcium nitrate
Nitrate calcium nitrate in Norway does not decompose under normal temperature. Nitrogen 14 physiological base, soluble in water is a weak acid. All kinds of soil are suitable, it is best to apply calcium deficiency fields. Optimum crop potato, beet barley and rice. (Yu Ke)
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