The main value of Coreopsis grandiflora

The main value of Coreopsis grandiflora: ornamental

Since its introduction, Coreopsis grandiflora has existed as an ornamental plant. It is an important material for beautifying the environment and an ideal choice for establishing flower borders and gardens. Coreopsis grandiflora can bloom in the same year after planting, and the flowering period is as long as four months. The flowers are very large and form a beautiful sea of ​​yellow flowers when they bloom. Against the backdrop of green leaves, it is even more beautiful and attractive, and has extremely high ornamental value.

The main value of Coreopsis grandiflora: ecological value

Improving vegetation coverage: Since 1987, during the management of a certain watershed, a total of 34.3hm2 of Coreopsis grandiflora was sown, and the approach of planting grass first and then forest, with equal emphasis on forest and grass, was adopted. After 5 years, the forest and grass coverage rate increased from 24.46% before the management to 87.56%.

Increase soil fertility: Soil testing showed that the organic matter content of 14hm2 grassland planted with Coreopsis grandiflora in a certain watershed increased by 1.23% compared with before treatment, the alkaline nitrogen increased by 3ppm, the available phosphorus increased by 1.4ppm, and the available potassium increased by 20.3ppm.

Water storage and soil conservation: After a comprehensive management measure of forestry, engineering, agriculture, etc. was adopted in a certain basin, the total amount of runoff intercepted and stored was 1.5591 million m3, and the amount of soil conservation was 45,400 tons using the hydrological method; the water storage efficiency was 26.5%, and the soil conservation efficiency reached 72.68%.

The main value of Coreopsis grandiflora: Economic value

Coreopsis large-flowered also has high economic value. Natural edible pigments can be extracted from it, which is beneficial to human health and is a good additive in the food industry. The usage amount in refreshing beverages is 0.01%~0.02%. The whole plant of Coreopsis grandiflora can also be used as medicine, which has the effect of clearing away heat and detoxifying.

Of course, the ecological value and economic value mainly apply to large-scale outdoor planting. As for the ornamental value, it is reflected wherever it is planted, whether it is in the wild, in the garden, or on the balcony at home. Flowers are always pleasing to the eye.