Effect of Spatial Variation on Soil Nutrients

Soil nutrients affect the soil fertility to a great extent, and there are many factors that determine soil nutrients, such as trace elements such as nitrogen, phosphorus and potassium, organic matter content, PH value, pH, and so on. Although these factors may sound complicated, in fact,

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The new energy auto market reaches 30 billion yuan

On the afternoon of August 6, the Ministry of Finance and other three ministries jointly issued the "Announcement on the Exemption from Purchase Taxes for New Energy Vehicles." This is the fourth time since July that the New Energy Vehicle has issued a New Deal. Among them, a plan clearl

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