Soil and Fertilizer Station Terms and Definitions

1、Soil testing and formulated fertilization
Soil testing and formula fertilization is based on fertilizer field tests and soil tests. Based on the law of fertilizer requirements for crops, soil nutrient supply performance, and fertilizer effects, based on the rational appl.......

How to calculate air freight

Introduction: With everyone's increasingly high speed requirements for express delivery and other industries, air transport plays an increasingly important role in our daily life. Today, Xiao Bian has come to give you universal access to air freight c.......

Hebei Qingxian men developed gas terminal timer valve

People often forget to close the valves behind the watch after using gas, and there are a lot of accidents. In order to prevent more incidents from happening, Zhao Hongdong, a man from Qing County, Hebei, has developed a gas terminal timer valve. After the app.......

Chaochai CYQD32 diesel engine popular market


Chaochao's new CYQD32 diesel engine has recently appeared in the market with a great demand for supply. Orders for high-end light trucks, pickup trucks, and SUV manufacturers have come one after another. There have been unprecedented hot scenes before and after the Spring Festival.