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The Prevention and Cure of Helianthus tuberosus L. to Desert and Water Soil Lapse. After plantation, the area of Helianthus tuberosus L. increases rapidly. Since roots have developed, along with the weight of tuber, they hold the sand tightly to prevent it from blowing away. Large area of its stems forms a wind-resist area; this also can fight against the wind and sand. In this process, the relative desert area is decreasing. Helianthus tuberosus L. forms a green sea in desert, adding green lives to the world. And it is these lives that protect our human beings, reaching the ecosystem equilibrium. Also the tubers, leaves and stems of it are the best feeding stuff of animals; its pollen is the necessity of bee reproduction; and its seeds are delicious food for birds. Desert will change to an Eden for animals, insects and birds. Nature will be more beautiful, with more eco-benefits. Desert will never be 'the sea of death' again, as long as there is Helianthus tuberosus L. , there is life. Then the spring of desert will be full of green color, while the autumn is deep yellow. How beautiful it is! We can see the huge eco-benefits and social benefits of planting Helianthus tuberosus L. in desert.

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