Compound fertilizer application method

Compound fertilizer refers to the general term for fertilizers containing two or three important plant nutrients - N, P or N, P, K. The compound fertilizer contains N, P or N, K two main nutrients called binary compound fertilizer. The three elements including N, P and K are called ternary compound fertilizers. In addition to the main elements of N, P and K, some compound fertilizers also contain various trace elements. This compound fertilizer containing various trace elements is called multi-component fertilizer. The grade of the ternary compound fertilizer is expressed by the total amount of (N ~ P2O5 - K2O)%, but each nutrient has a minimum of not less than 4%, and the total content is generally in the range of 25% to 60%. The total content of 25% to 30% is low-concentration compound fertilizer, 30% to 40% is medium-concentration compound fertilizer, and more than 40% is high-concentration compound fertilizer. The application methods of compound fertilizer mainly include the following:
1. Do the base fertilizer application: Before planting, when planting the ground, sprinkle it on the surface and turn it to the bottom of the plow. Generally, 10-20 cm is best under the tillage layer.
2, do the application of seed fertilizer: must pay attention to the species, fertilizer isolation 8 ~ 10 cm as well.
3, do the flushing: in the later stage of crop growth, the fertilizer is dissolved and combined with watering, the effect of flushing is better.
4. For foliar fertilizer: After dissolving with 0.5% of Luxi potassium sulfate compound fertilizer, the supernatant is sprayed on the front and back of the leaves after 4 pm, and can be absorbed in 24 hours, sprayed every 5-7 days. It works quickly.

Swing Door

1.with 3000 square meter factory about 35 workshop workers and 25 office workers.

2.More than 20 sets of advanced machines with more than ten years domestic trade experience and international trade experience.

3.Manufacture and supply good quality automatic doors

4.With ISO 9001 Certification and many others certifications

5. Excellent DC brushless motor , high wear-resistant qualities wheels and reasonable structure design makes it more stable, quiet, longer life

6.Our Service system is perfect

Controller Dimensions : 85×124×600mm

Weight :12 kg

Maximun leaf weight :150 kg

Open range : 70°~115°

Closing speed : 10~43 cm/s

Door hold time :0.5~10 seconds

Main Power :AC 220V~250V,50~60 Hz

Maximum current :1A

Maximun motor power:55W

Wait Power :14W

Fuse :Minimum 3.5 ASlow

Operating Temperature : -30℃ ~+50℃

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Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.hfrollershutterdoor.com