There are many kinds of nitrogen fertilizers, which are roughly divided into four types: ammonium, nitrate, amide and long-acting nitrogen fertilizers.
Application Technique Key Song
Ammonium nitrogen fertilizer
Ammonium nitrogen fertilizer is more commonly used, the main characteristics of water soluble,
Ammonium ions are positively charged, and negative electricity particles hold each other.
Nitrification turns nitrification nitrogen to increase the effectiveness of nitrogen fertilizers.
Ammonium is mixed with alkali to change ammonia, and ammonia gas is not fattened.
Ammonium bicarbonate
Ammonium bicarbonate is alkaline, and the soil applied becomes
Sixteen to seventeen nitrogenous crops are suitable for various crops;
High temperature and high humidity are easy to decompose
Keep in mind that molybdenum is mixed with calcium, magnesium, and phosphorus, as well as urine manure from people with grass dust
Ammonium sulfate
Ammonium thiosulfate is commonly referred to as fertilizer field fertilizer and nitrogen fertilizer is used as a standard.
With nitrogen up to 21, all kinds of crops are suitable;
The physiological acidity is more typical, the most suitable soil is alkaline,
The mixed Pu-Ca changed to mono-ammonium, and the complementary effects of N and P increased.
Ammonium chloride
Ammonium chloride, physiological acid, 25-nitrogen content,
Use 10 million molybdenum for seedling emergence;
Keep in mind that sweet potato, tobacco, sugar beet, and chlorine
Reuse of cotton and rice, the effect of blending urea fertilizer is high.
Nitrate nitrogen fertilizer
Nitrate-nitrogen fertilizer comes early and is used as top-dressing fertilizer with high efficiency.
The main nutrient is nitrogen, and sodium and calcium ions are also effective;
Nitrate ions are negatively charged and soil particles are difficult to adsorb.
However, the water-soluble fertilizer is easy to be effective, and has strong moisture absorption and deflagration.
Calcium nitrate
Nitrate calcium nitrate in Norway does not decompose under normal temperature.
Nitrogen 14 physiological base, soluble in water, weak acid;
All kinds of soil are suitable, best applied to calcium deficiency fields,
The most suitable crop is vegetables, beets, and potatoes.
Ammonium nitrate
Ammonium nitrate, physiological, containing thirty-four nitrogen,
Each half of ammonium nitrate is strong and easily deflagrate;
The best application is top dressing and no paddy alkali is used.
Potassium fertilizer potassium chloride blended, the physical and chemical properties greatly changed.
Amide, cyanamide nitrogen fertilizer
Amide nitrogen fertilizers such as urea, no ions can adsorb,
The urease acts to change the ammonium bicarbonate, then watering fertilizer efficiency;
Cyanamide nitrogen fertilizer lime nitrogen, human soil into cyanide salt,
It is then converted to urea and it takes seven days to change to ammonium bicarbonate.
Urea
The urea is neutral and suitable for all types of soil.
Nitrogen up to forty-six, outside the roots called the hero;
Applying ammonium bicarbonate to the soil before it can be flooded
Do not forget to deepen and apply ahead of schedule.
Lime nitrogen
Lime nitrogen, toxic, insecticidal and effective
Soil-contaminated heap urea, black powder light texture;
Twenty nitrogen partial alkali, molybdenum calcium ammonium,
Contact with skin to flush, Mausch Cruciferae.
Liquid nitrogen fertilizer
Several nitrogenous fertilizers dissolve in water and directly generate nitrogen solution.
Volatile little alkali, adding phosphorus and potassium into compound fertilizer;
Storage and transportation are convenient and the development prospects are considerable.
The method of application is like ammonia, keeping in mind that deep burial is a link.
Application Technique Key Song
Ammonium nitrogen fertilizer
Ammonium nitrogen fertilizer is more commonly used, the main characteristics of water soluble,
Ammonium ions are positively charged, and negative electricity particles hold each other.
Nitrification turns nitrification nitrogen to increase the effectiveness of nitrogen fertilizers.
Ammonium is mixed with alkali to change ammonia, and ammonia gas is not fattened.
Ammonium bicarbonate
Ammonium bicarbonate is alkaline, and the soil applied becomes
Sixteen to seventeen nitrogenous crops are suitable for various crops;
High temperature and high humidity are easy to decompose
Keep in mind that molybdenum is mixed with calcium, magnesium, and phosphorus, as well as urine manure from people with grass dust
Ammonium sulfate
Ammonium thiosulfate is commonly referred to as fertilizer field fertilizer and nitrogen fertilizer is used as a standard.
With nitrogen up to 21, all kinds of crops are suitable;
The physiological acidity is more typical, the most suitable soil is alkaline,
The mixed Pu-Ca changed to mono-ammonium, and the complementary effects of N and P increased.
Ammonium chloride
Ammonium chloride, physiological acid, 25-nitrogen content,
Use 10 million molybdenum for seedling emergence;
Keep in mind that sweet potato, tobacco, sugar beet, and chlorine
Reuse of cotton and rice, the effect of blending urea fertilizer is high.
Nitrate nitrogen fertilizer
Nitrate-nitrogen fertilizer comes early and is used as top-dressing fertilizer with high efficiency.
The main nutrient is nitrogen, and sodium and calcium ions are also effective;
Nitrate ions are negatively charged and soil particles are difficult to adsorb.
However, the water-soluble fertilizer is easy to be effective, and has strong moisture absorption and deflagration.
Calcium nitrate
Nitrate calcium nitrate in Norway does not decompose under normal temperature.
Nitrogen 14 physiological base, soluble in water, weak acid;
All kinds of soil are suitable, best applied to calcium deficiency fields,
The most suitable crop is vegetables, beets, and potatoes.
Ammonium nitrate
Ammonium nitrate, physiological, containing thirty-four nitrogen,
Each half of ammonium nitrate is strong and easily deflagrate;
The best application is top dressing and no paddy alkali is used.
Potassium fertilizer potassium chloride blended, the physical and chemical properties greatly changed.
Amide, cyanamide nitrogen fertilizer
Amide nitrogen fertilizers such as urea, no ions can adsorb,
The urease acts to change the ammonium bicarbonate, then watering fertilizer efficiency;
Cyanamide nitrogen fertilizer lime nitrogen, human soil into cyanide salt,
It is then converted to urea and it takes seven days to change to ammonium bicarbonate.
Urea
The urea is neutral and suitable for all types of soil.
Nitrogen up to forty-six, outside the roots called the hero;
Applying ammonium bicarbonate to the soil before it can be flooded
Do not forget to deepen and apply ahead of schedule.
Lime nitrogen
Lime nitrogen, toxic, insecticidal and effective
Soil-contaminated heap urea, black powder light texture;
Twenty nitrogen partial alkali, molybdenum calcium ammonium,
Contact with skin to flush, Mausch Cruciferae.
Liquid nitrogen fertilizer
Several nitrogenous fertilizers dissolve in water and directly generate nitrogen solution.
Volatile little alkali, adding phosphorus and potassium into compound fertilizer;
Storage and transportation are convenient and the development prospects are considerable.
The method of application is like ammonia, keeping in mind that deep burial is a link.
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