What are the suitable saplings for planting in Gucheng County, Hengshui? Drought-tolerant, and not too high

Gucheng county belongs to loess landform, with an altitude of 150-763 meters, with an average altitude of about 436 meters, and an average altitude of about 300 meters in agricultural areas. It has a temperate semi-humid continental monsoon climate, with an annual average temperature of 18.20℃ and a frost-free period of 200 days. The northern mountainous area of Gucheng County has deep soil layer, high altitude and large temperature difference, which is a unique apple eugenic area.

Suitable tree species are as follows for your reference:

Elm: positive tree species, light-loving, drought-tolerant, cold-resistant, barren-tolerant and adaptable. Developed root system, strong wind resistance and soil conservation. Strong germination and pruning resistance. Fast growth and long life. Resistant to dry and cold climate and moderate salinity, but not to water and humidity (resistant to rainy season waterlogging). It has anti-pollution and strong dust retention ability for leaves. It grows well in alluvial soil and the Loess Plateau with deep, fertile soil and good drainage. It can be used as afforestation or "four-sided" greening tree species in northwest desert, North China and Huaibei plain, hills and northeast barren hills, sandy land and coastal saline-alkali land.

Poplar: Forest tree species scattered in temperate and cold temperate zones in the northern hemisphere. In China, it is distributed between 25 ~53 degrees north latitude and 80 ~ 134 degrees east longitude, that is, it is distributed in central China, north China, northwest China and northeast China. The rest of the world is generally distributed in the range of 30 degrees to 72 degrees north latitude.

Willow: Suitable for various ecological environments. Willow grows in mountains, plains, sand dunes and polar regions. Mainly distributed in temperate regions of the northern hemisphere. Salix matsudana is produced in the north, northeast and northwest plains of China. Weeping willows spread all over China and were introduced to many countries in Europe, Asia and America.

Toona sinensis: Deciduous tree of Toona sinensis of Meliaceae, with a height of 20 meters. It is cultivated all over China. The requirements for soil are not strict, and the saline-alkali tolerance is strong.

Ailanthus altissima: Deciduous tree of Ailanthus altissima, up to 25 meters high. Originated in South China, North China and Northwest China. Strong sex, strong stress resistance, fast growth and strong saline-alkali tolerance.

Sophora japonica: a deciduous tree of Sophora genus in Leguminosae, with a height of 20 meters. Originated in northern China, it is cultivated all over the country. It is more tolerant to saline-alkali, but afraid of water wet. Its variety Sophora japonica is also more salt-tolerant and is a common ornamental tree species.

Apricot tree: deciduous tree of Prunus in Rosaceae, with a height of15m. It is cultivated in the Yangtze River Basin, Northeast China and Northwest China. Strong saline-alkali tolerance, not waterlogging tolerance.

Mulberry: Deciduous tree of Moraceae, with a height of12m. Originally from central China, it is now widely cultivated. It can grow normally in acidic, neutral and saline-alkali soil, and can be widely used in landscaping. Its variety longan mulberry is the top grade of ornamental branches.

Jujube tree: a small deciduous tree of Zizyphus in Rhamnaceae, with a height of 10 m. Originated in the middle and lower reaches of the Yellow River and North China, it is now cultivated everywhere. It has strong drought resistance, waterlogging tolerance and saline-alkali tolerance, and its variety Zhao Long Jujube is an excellent ornamental tree species.

Ash tree: Ash tree of Oleaceae is a deciduous tree with a height of 15m. Widely cultivated in all parts of China. Strong salt tolerance and alkalinity.

Paulownia is a deciduous tree of Scrophulariaceae, and its height can reach 30 meters. It originated in the Yangtze River valley in China, and is now cultivated in many places in China. Strong adaptability, drought resistance, water resistance and salt tolerance. ?

Li Du pear: Rosaceae pear is a deciduous tree with a height of 10 m, which is native to North China, Northwest China and Southeast China. Cold tolerance, drought tolerance, barren tolerance, normal growth in soil with salt content of 0.5%, and strong waterlogging tolerance.

Luan tree: a deciduous tree of Luan tree of Sapindaceae, up to 20 meters high. Originated in East China, Southwest China, North China and Southwest China. Strong saline-alkali tolerance, but not resistant to stagnant water.