Global polyolefin production base moves to Asia

Steve Zinger, the Asia regional manager of the world-renowned consulting firm, recently pointed out that at present, the global polyolefin production base is shifting to Asia, especially the Middle East. This is due to the advantage of raw materials in the Middle East, and Asia is becoming a g

Effect of farmland leveling on soil nutrient

In agricultural growth, we often need to trim and cultivate the farmland. What impact will there be on the soil nutrients of farmland when we farm and plough the farmland? Or do you need to pay attention to which areas can reduce the destructiveness of the soil when the farmland