Cabbage fertilization has characteristics

The yield of cabbage is high, and it is fertile and fertile. It needs to absorb 4.1-6.5 kg of nitrogen, 1.2-1.9 kg of phosphorus pentoxide and 4.9-6.8 kg of potassium oxide per 1000 kg of output. The fertilization amount per mu of the whole growth period of cabbage is 2500-3000 kg (or commercial organic fertilizer 350-400 kg), nitrogen fertilizer 15-18 kg, phosphate fertilizer 6-7 kg, and potassium fertilizer 8-11 kg. Organic fertilizer is used as base fertilizer, nitrogen and potassium fertilizer are divided into base fertilizer and 3 times top dressing. Phosphate fertilizer is used as the base fertilizer.
The base fertilizer is generally applied with 2,500 to 3,000 kg of farmyard manure (or 350 to 400 kg of commercial organic fertilizer), 4 to 5 kg of urea, 13 to 15 kg of diammonium phosphate, and 5 to 7 kg of potassium sulfate. 60% of the organic fertilizer is applied when it is done in the field, and 40% of the organic fertilizer is applied to the seedlings when the seedlings are planted. In order to prevent the loss of fertilizer during the rainy season and lack of fertilizer, the cultivation of cabbage in summer requires more attention to the application of base fertilizer.
In the topping period of the rose, 7-8 kg of urea per acre and 3 to 5 kg of potassium sulfate; 10-12 kg of urea per acre and 4-6 kg of potassium sulfate in the initial stage of ball-forming; 7-8 kg of urea per mu in the middle of the ball. Potassium sulfate 3 to 5 kg.
In the early stage of the ball-forming, the root can be sprayed with 0.2% potassium dihydrogen phosphate solution and medium and trace element fertilizer. In the case of boron deficiency or calcium deficiency, 0.1% to 0.2% borax solution or 0.3% to 0.5% calcium chloride or calcium nitrate solution may be sprayed 2 to 3 times in the middle of growth. Facility cultivation can increase carbon dioxide gas fertilizer.

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Eccentric wheel in furniture and cabinet industry: also known as eccentric connection matrix, is the most commonly used panel furniture and cabinet production connectors accessories, she and connecting rods, embedded parts into a combination of three-in-one connectors, also known as disassembly connectors, because it can disassemble and assemble furniture at any time and anywhere, this connector is very large Convenient transportation of furniture, door-to-door installation, but also vigorously promote the overall furniture and cabinet industry production.
Indicators: The most common is made of zinc alloy by die-casting, its common specifications are 15, is the general specifications of furniture panels, of course, some furniture drawers and other thin plates are used in 12, 10 specifications, and some large-scale public furniture, due to the thickness of the plate, the use of the important demand for height. Due to the lack of domestic furniture hardware standards, there is no general standard in the industry. In terms of the current furniture industry plate specifications, the size of 15 is the most common, the largest use.

Working Principle: As the eccentric wheel bottom deviates from the center of the circle radian, when rotating the eccentric wheel, the connecting rod in the radian will be slowly close to the center of the eccentric wheel bottom along the radian, thus tightening the distance between the two plates, so that the connection is fastened, "eccentric connector" hence the name.

Classification
A) according to its shape, it can be divided into two types: one is the cross slot eccentric wheel, the other is the cross plus six angle eccentric wheel. (Note: This kind of eccentric wheel can be installed with either cross screwdriver, one-word screwdriver or hexagonal wrench.)
B) according to the shape results, it can be divided into two types: one is an eccentric wheel with external teeth, the other is a toothless eccentric wheel. (Note: the characteristic of the eccentric wheel is that the three in one will be fastened after assembly and no retrogression will occur.

According to the shape of the internal clip can be divided into two kinds: one is a ball, with screw round head; the other is arc, with teeth, with screw square head.

Furniture Eccentric Wheel


Furniture Eccentric Wheel photos

Furniture Eccentric Wheel drawing


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Furniture Eccentric Wheel

Furniture Eccentric Wheel,Screw Eccentric Wheel For Plate Furniture,Wooden Furniture Eccentric Wheel,Furniture Ecc Wheel

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