Citrus standardized fertilization technology

The first is to choose the fertilizer. There are many types of fertilizers for fertilization. In addition to the qualified compound fertilizers, organic-inorganic compound fertilizers, biological fertilizers and foliar fertilizers on the market, there are also farmyard manure such as green .......

How to fertilize onions

1 Onion Growth Conditions Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
The growth temperature of onion is 12~26°C, and the seedlings have strong cold resis.......

How to use mine explosion-proof electrical appliances?

First, the mine flameproof electrical equipment can be used in the coal mine, and its explosion-proof mark is ExdI. The flameproof electrical products shall be installed and used in accordance with the relevant provisions of the "Coal Mine Safety Regulations" and the.......

Acetic Acid Quotes Continue to Go Higher

Last week, the domestic acetic acid market rose strongly, but the gains were modest but robust. Recently, some acetic acid plants in China were shut down for maintenance, and the inventory of acetic acid factories declined. Together with the increase in the pr.......

Analysis of domestic wedge gate valve standard profile

Domestic wedge gate valve standard profile In a variety of pipelines and equipment, fluid delivery system, the valve is one of the most widely used valve varieties. The main features of the gate valve are: (1) flow resistance is small; (2) the torque required by the switch is small; (3) the dir.......