Common nitrogen fertilizer characteristics and application technology songs
The nitrate nitrogen has come out early, and the effect of topdressing fertilizer is high.
The main component is nitrogen, and sodium calcium ions also work.
Nitrification ions are negatively charged, and the adsorption of soil colloidal particles is difficult.
However, it is easy to dissolve water and fertilizer, and the moisture absorption is strong and explosive.
Sodium nitrate
Chilean saltpeter sodium nitrate, mostly fertilize her in the dry land.
The earliest crops were beets, as well as robe and flax.
Nitrogen-filled land is a business, and it is also suitable for other crops.
The physiological reaction is alkaline, and the saline-alkali water should not be used.
Calcium nitrate
Norwegian saltpeter calcium nitrate does not decompose under normal temperature.
Nitrogen-containing fourteen physiological bases, soluble in water and weakly acidic.
All kinds of soils are suitable, and it is best to apply calcium deficiency fields.
Optimum crop potato, beet barley and rice
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