ATEX Approved Coriolis Mass Flow Meter
Sealand is a trustworthy manufacturer of Mass Flow Meter Coriolis, Mass Flowmeter Coriolis, Flow Meter Coriolis and Meter Coriolis, ATEX, CE & IECEx approved.
The flow meter model covers from DN03 to DN150, and bigger models are being developed. Main specification is as follows.
Model No.
Diameter
(mm)
Max. flow rate
(kg/min)
MWP.
(MPa)
Accuracy grade
(%)
Zero stability
(kg/h)
CG-03
03
6
4
0.1/ 0.2/ 0.5
0.012
CG-06
06
18
4
0.1/ 0.2/ 0.5
0.04
CG-15
15
50
25
0.1/ 0.2/ 0.5
0.12
CNG-20
20
120
25
0.1/ 0.2/ 0.5
0.36
CG-25
25
200
4
0.1/ 0.2/ 0.5
0.62
CG-40
40
500
4
0.1/ 0.2/ 0.5
1.60
CG-50
50
1000
4
0.1/ 0.2/ 0.5
2.38
CG-80
80
3000
4
0.1/ 0.2/ 0.5
7.05
CG-100
100
3600
4
0.1/ 0.2/ 0.5
12.00
CG-150
150
8000
4
0.1/ 0.2/ 0.5
50.00
Mass Flow Meter Coriolis, Mass Flowmeter Coriolis, Flow Meter Coriolis, Meter Coriolis Zhejiang Sealand Technology Co., Ltd. , https://www.sealandflowmeters.com
1. The area of ​​single-use fertilization of nitrogen fertilizer is relatively large, and it is easy to cause burnt seedlings in the early stage and deferment in the later stage in some areas;
2. The application amount of organic fertilizer is small, and the proportion of straw returning to the field is low;
3. The planting density is low, and the number of seedlings is insufficient, which affects the application effect of fertilizer;
4, the soil layer is too shallow, affecting the development of the root system, easy to drought and easy to fall.
5. There are problems with fertilizer application in some places.
Based on the above questions, the following fertilization principles are proposed:
1. Nitrogen application in different stages, appropriate reduction of the amount of base fertilizer and full use of phosphorus and potassium fertilizer;
2. Pay attention to the application of zinc fertilizer in soil with high pH, ​​high yield and zinc-deficient soil;
3. Increase the amount of organic fertilizer and increase the intensity of straw returning to the field;
4. Promote the application of high-yield and high-dense varieties, appropriately increase the planting density of corn, increase the yield of corn, and give full play to the fertilizer effect;
5. Deep pine breaks the bottom of the plow, promotes root development, and improves water and fertilizer use efficiency.
Problems in Fertilization of Dryland Corn and Fertilization Principles
The main fertilization problems in spring corn production are:
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