About nitrogen fertilizer
The ammonium fertilizer should be used for rice, and the effect is better with ammonium chloride and urea.
It is also effective to apply ammonium nitride fertilizer (such as ammonium bicarbonate, ammonium sulfate, ammonium chloride, urea) or nitrate nitrogen fertilizer (such as ammonium nitrate) to cereal crops such as corn and wheat.
Potato and sweet potato should also use ammonium nitrogen fertilizer.
For acidic soils, chemically alkaline or physiologically basic nitrogen fertilizers should be used.
In saline-alkaline soil areas, it is not advisable to purchase ammonium chloride containing more chloride ions. In alkaline soil, ammonium nitride is easy to be absorbed and utilized by crops, but care should be taken to prevent decomposition and volatilization.
About phosphate fertilizer
Legume crops (soybeans, peanuts), sugar crops (beets, sugar cane), fiber crops (cotton), potato crops (potato, sweet potato), and melons and fruit trees are in high demand, and the application of phosphate fertilizer is better. Fertilizer effect. In plots with a large amount of phosphate fertilizer, it is not necessary to apply it for years to avoid waste.
About potash
Potato, sweet potato, sugar beet, watermelon, fruit tree, etc. need a large amount of potassium, but these potassium crops are chlorine, it is not appropriate to apply potassium chloride. Potassium chloride is also not suitable for long-term application on saline-alkali soil. It can be used as base fertilizer and top dressing on non-chlorinated crops, but it is not suitable for seed fertilizer. Potassium sulphate is suitable for various soils and crops, and can be used as base fertilizer, seed fertilizer, top dressing and top dressing.
This article URL: How to use a variety of fertilizers for different fertilizer types in 2017 for different fertilizer types in 2017
Vitamins: Various trace organic substances essential for the nutrition of most animals and some plants, especially as coenzymes and coenzyme precursors, which play a role in regulating metabolic processes, but they do not provide energy or serve as building blocks. Vitamins are found in natural foods or are sometimes produced in the human body.
Vitamins are tiny molecules needed to keep the body functioning properly (vitamin B12 is the largest vitamin molecule, with a molecular weight of 1,355). In the article How sunburns and tans are formed, we learned that the body can make its own vitamin D, but usually the vitamin must be supplied through food.
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