Species: Evergreen Trees

Origin:

Originating in Australia and Pacific Islands, China has introduced more than 80 years of history. Guangdong, Guangxi, Fujian, Taiwan and the South China Sea islands are all cultivated.

Morphological characteristics:

The tree is up to 30 meters. Straight trunk. Bark dark brown, irregular cracks. Branchlets green, instead of leaf function, called leafy branches. The leaves are scaly in shape, with 6-8 scaly leaves per section. Flowers unisexual, identical or different. Aggregate fruit elliptic, pubescent outside. Nutlets with wings.

Growth habits:

Hi light. Hi hot climate. Hi calcium and magnesium, resistant to salt, poor soil. Resists drought and moisture. The root of Casuarina equisetifolia is the main reason for its fast growth on thin sandy soil.

Casuarina equisetifolia grows rapidly, has strong wind resistance, is not afraid of sand burying, and is resistant to salt and alkali. It is an excellent tree species for windbreak and forest consolidation in the South China Sea.

Use characteristics:

Rapid growth, widely used in production.

The material is heavy and can be used for construction, furniture, and papermaking materials; the bark can be made of tannin extract, and dyestuffs can also be prepared; the branches and leaves are livestock feed, and the seeds are kept for poultry; the crowns are tower-shaped and have an elegant posture, and are green trees for the garden.

The appearance of Casuarina feels like a pine tree, and its style is like a pine tree. Casuarina equisetifolia grows on the sandy shores of the harsh seas. It not only uses the roots to fix the quicksand, but also uses the “body” to block the impact of squally wind and waves, breaking itself and protecting the homes and fields behind them.

People say that Casuarina was the vanguard of the sand bank and saw it approached the sea. At present, the coastal basal forest belts dominated by Casuarina are basically closed in Guangdong and Hainan. Guangxi has basically formed a situation in which points, lines, slices, and noodles are combined, and Casuarina and other forest species have developed together, becoming the second green line in the South China Sea and the Hainan region. .

The branches and leaves of Casuarina equina are more flexible than Acacia sinensis, and the degenerate cicada leaves are barely noticeable. Slender twigs such as needles, which can be cut after being torn off, resemble the herbs of equisesia. The playful objects are fun, but the adult Casuarina is adamant. The rough trunk is straight and can be used to extract tannin and dye. It is said that the material is much stronger than the pine, and the Casuarina old tree can be as high as 20 meters. The strong roots must have been mixed up and everything was indiscriminate, and the loose sand was solidified.

Casuarina may be the best companion for the long southern coastline.

The habits of Paulownia and Casuarina are surprisingly similar. They are fast growing, strong adaptability, strong wind resistance, fear of sand pressure, and salt and alkali resistance. It can not only prevent wind and sand, protect farmland, and increase crop yields; it can also improve site conditions and create favorable conditions for the introduction of better tree species. In addition to these commonalities, the personality of Paulownia is very interesting. Its wet material is heavy, but it is fast drying. It is light, lighter, and 40% lighter than ordinary wood. It is one of the lightest timber in our country. Due to its light and soft texture and beautiful texture, it is an excellent material for processing models, cabinets, and musical instruments; therefore, it is called “three silly trees”: when you are alive, you are stupid, when you are wet, and when you are light, you are silly. Casuarina's personality is tough. Because of its toughness and toughness, it can be used as a bottom plate for fishing boats. Therefore, it is known as “South Sea Ironwood”.

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The biochemical and biophysical characteristics on the surface and inside of the membrane of non-biological particles were quantitatively analyzed.

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