Method and effect comparison of measuring leaf area

The leaves are important sites for plants to carry out photosynthetic, transpiration and respiration, and they are also the main organs for making nutrients. The size of leaf area, leaf structure and function are important indicators of plant growth and nutritional status. In the

What to do if I hit a typhoon on a highway?

The typhoon has a great impact on the safe driving of the expressway, and it is necessary to master certain driving knowledge. To this end, the patrol patrol advises the officers and passengers traveling in the typhoon weather as follows:

1, before

Dongfeng Small Refrigerated Vehicle

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