Jasper makeup into a tree high, ten thousand down the green silk. These two sentences vividly describe the posture of the green willow. The ornamental value of the willow is very high, and there are many kinds. In addition to the most common ornamental value of the garden, it also has a good economic value. Because of its unique flexibility, wicker can be made into many handicrafts and necessities for life. Wood is usually used to make paper and artificial cotton.
Scientists who control soil pollution have found that willow can absorb and transform the pollutants in the soil well, so it has a good pollution treatment function and a certain purification effect on the soil.
Poplar trees are tall, straight, beautiful, with good ornamental value, in many northern areas of China, choose poplar as a street tree.
In addition to the ornamental value, we have to mention the ecological protection function of the poplar. The famous Three North Shelterbelt is mainly planted by the poplar. The root system of the poplar is very developed, which can well lock the water and soil. It is precisely because of this characteristic that people found the role of the poplar in wind and sand prevention. In addition, poplar can effectively degrade toluene and other harmful substances in the soil, which plays a great role in soil remediation.
Sunflowers are very tolerant and easy to plant. Apart from the ornamental function, edible value and economic value we know, the most shocking thing is their purification value. We only know that sunflowers have low requirements for growing soil, but we didn't expect that they have super purification function for soil. Sunflowers can make their own soil harmful. Metal absorption, after volatile purification, absorption
Xiaobian wants to say that there are many plants with the function of soil restoration, but human beings should not entrust their responsibilities to plants. The pollutant discharge in the soil comes from our industrial development. It is the responsibility of each of us to protect the soil resources, and the pollution control itself is to reduce the emissions.