1, avoid single application of a certain fertilizer. The ideal application method is to apply organic fertilizer first, then nitrogen, phosphorus and potassium fertilizers are rationally matched and scientifically applied.

2, avoid high temperature outside the roots for fertilization. The high temperature at noon not only evaporates quickly after spraying, but also the liquid fertilizer is not easy to be retained in the surface of the crop, and it is difficult to be absorbed by the pores.

3, avoid the shallow application of nitrogen fertilizer topsoil. Applying nitrogen fertilizer to the shallow surface of the topsoil, it is easy to decompose and volatilize nitrogen after being exposed to sunlight.

4, avoid excessive application of high concentration fertilizer. Regardless of the type of fertilizer, if the dose is too large, the roots of the crop will be "sucked", causing damage to the roots.

5, avoid spreading with water. For example, when potassium dihydrogen phosphate is mixed with urea and applied with water, the phosphorus and potassium are less motivated in the soil, and the utilization rate of the fertilizer applied with water is very low, and basically stays in the topsoil.

6. Avoid applying ammonia and ammonium bicarbonate in a greenhouse or greenhouse. Because the ecological environment of the greenhouse is at high temperature and closed state, the two fertilizers are very volatile under high temperature and contain the plants, which will affect the normal growth.

7, avoid "Langlang match" regardless of the nature of the fertilizer, any combination of application is not good, such as the "ammonium nitrogen" fertilizer mixed with grass ash, lime, phosphate fertilizer and other alkaline fertilizers, is bound to accelerate nitrogen volatilization, resulting in fertilizer waste It is also easy to smoke crops.

8, avoid applying or applying phosphorus fertilizer. Phosphorus has little mobility in the soil, and application or surface application is particularly easy to be adsorbed and fixed by the soil, which greatly reduces the fertilizer efficiency of phosphorus.

9. Avoid applying excessive amounts of nitrogen fertilizer to legume crops. Rhizobium is attached to the roots of soybean crops. If the amount of nitrogen fertilizer is too much, it will directly affect the ability of rhizobium to fix nitrogen.

10, avoid excessive application of chlorinated fertilizer to sensitive crops. Tobacco, citrus, potato, grape and other sensitive crops should not be applied too much chlorine, otherwise it will affect the normal growth of the plant.

11, avoid fertilizing before heavy rain. Because of heavy rain or showers after fertilization, fertilizers are easily washed away by rain and cause nutrient loss.

12, avoid micro-fertilizer. Micro-fertilizers such as zinc, molybdenum, boron, and rare earth have good effects on crop "deficiency syndrome", but it is forbidden to "micro-fertilizer", causing crop malnutrition and hindered growth and development.

Sch****** Escalator Spare Parts

Sch****** Escalator Spare Parts, Sch****** Escalator Parts

Sch****** 9300 AE

Sch****** 9700

Sch****** 9300® AE - The versatile escalator

Sch****** Escalator Spare Parts, Sch****** Escalator Parts

CEP Elevator Products ( China ) Co., Ltd. , https://www.zjelevatordoorsystem.com