Flowers and trees using chemical fertilizers

1. Urea-soluble foot fertilizer, mobility, and can easily lead to loss. After spraying urea on dry land, avoid watering immediately.

2. Ammonium bicarbonate should not be applied to the surface of the ten soils. Ammonium bicarbonate has a high volatility and can easily cause burning of seedlings. It is best to open a deep hole.

3. Ammonium bicarbonate should not be applied in greenhouses and greenhouses. Ammonium carbonate is known as “gas fertilizer”. It can be quickly dissolved into ammonia gas and volatilized in greenhouses and greenhouses.

4. Carbon nitrogen fertilizer should not be mixed with alkaline fertilizers. Ammonium carbonate, ammonium sulfate, ammonium nitrate, ammonium phosphate and other carbon-comprising nitrogenous compounds hit alkaline substances and cause nitrogen loss. Do not mix with alkaline fertilizers such as grass ash, kiln ash potash, and lime nitrogen.

5. The nitrate nitrogen fertilizer should not be applied in aquatic flowers. Nitrate ions such as ammonium nitrate dissociated from nitric acid fertilizers are easily lost to deeper layers of soil and cause denitrification in water, causing loss of nitrogen.

6. Ammonium sulfate is not suitable for long-term application. Ammonium sulphate is a physiological fertilizer. Applying it on a piece of land alone will increase the acidity of the earth and damage the physical structure of the mud.

7. Phosphate fertilizers should not be dispersedly applied. Phosphorus has small mobility and is easily absorbed and fixed by soil. It is better to use furrows or holes to concentrate the near roots of crops.

8. Potassium fertilizer should not be applied in the later stage of crops. Potassium can be transferred from the lower part of the plant stems and leaves to the top part of the re-use of the characteristics, so the symptoms of potassium deficiency than nitrogen and phosphorus performance later. Therefore, potash should be applied before the crop is grown, or it can be used as a base fertilizer once.

9. Avoid the use of chlorinated fertilizers for a long period of time alone and avoid applying chlorine-free crops. The long-term use of potassium chloride alone will increase the accumulation of chloride ions in the soil, resulting in damage to the soil nutrients and acidification of the soil.

10. Nitrogen fertilizers should not be used in large quantities in legumes. Soybeans, peanuts, mung beans, broad beans, peas, pods.