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Method for planting common seepweed in the drought and gale desert saline-alkali environment

A desert and Suaeda salsa technology, applied in botanical equipment and methods, land preparation methods, seed coating/seed dressing, etc., can solve problems such as affecting seed growth, affecting seed germination, affecting vegetation establishment, etc., and achieves good results. Increases water retention and weight, enhances heat retention

Active Publication Date: 2008-11-19
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The Chinese patent application number is 97106197.1 and describes the artificial cultivation method of wild Suaeda salsa, which involves the artificial cultivation of Suaeda salsa plants in saline-alkali land, but it is mainly used for the agricultural utilization of saline-alkali environment with the main purpose of harvesting products such as vegetable oil plants, Although it can also be used for vegetation construction in desert environments, the technical measures such as site preparation and sowing management have the following disadvantages in harsh environments: 1. The sowing method is in inland arid saline-alkaline deserts, and the seeds are easily blown away by the wind. Affect the establishment of vegetation; 2. The designed sowing time is the particularly dry season in the inland saline-alkali desert area, with scarce rainfall and no irrigation, which affects seed germination; therefore, it affects the growth of seeds

Method used

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Examples

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Effect test

Embodiment 1

[0015] Boil and dissolve according to the ratio of 1 part of dry weight of agar gum to 100 parts of water, then cool to 30°C, take 3000 grams of agar gum aqueous solution, add 3000 grams of Suaeda salsa seeds, mix well, remove the seeds, and put them in 6000 grams of 50 mesh loess dry powder Fully roll and stir until the seeds stick to loess particles, then sieve off the loess dry powder, and dry the seeds for later use.

[0016] Choose 10 mu of arid desert saline-alkali land, topsoil salinity 8%, northwest wind direction in autumn and winter, and open a ∠-shaped shallow ditch from northeast to southwest, with a depth of 7 cm, a width of 8 cm, and a distance of 20 cm. Suaeda salsa seeds were sown into the ditch with a seeder in October. Seedlings emerged in April of the following year, with an emergence rate of 99%, and lush vegetation was formed that year.

Embodiment 2

[0018] Boil and dissolve according to the ratio of 1 part of alginate dry weight to 100 parts of water, then cool to 40°C, take 1500 grams of alginate aqueous solution, add 1000 grams of Tamarix seeds, mix thoroughly, remove the seeds, and put them in 3000 grams of 60 mesh loess dry powder. Roll and stir until the seeds stick to loess particles, then sieve off the loess dry powder, and dry the seeds for later use.

[0019] Choose 5 acres of arid desert saline-alkali land, topsoil salinity 6%, northwest wind direction in autumn and winter, open a ∠-shaped shallow ditch from northeast to southwest, the ditch is 9 cm deep, 9 cm wide, and the distance between the ditch is 50 cm. Sow the tamarisk seeds in the ditch with a seeder in October. Seedlings emerged in May of the following year, and the emergence rate was 95%, and vegetation was formed in that year.

Embodiment 3

[0021] 10 mu of arid desert saline-alkali land with a surface soil salinity of 6%. In autumn and winter, the northwest wind direction opens a ∠-shaped shallow ditch from northeast to southwest. The ditch is 6 cm deep, 7 cm wide, and the distance between the ditch is 20 cm. Sow 5000 grams of full Suaeda salsa seeds directly into the ditch with a seeder in November. Seedlings emerged in April of the following year, with an emergence rate of 98%, and lush vegetation was formed that year.

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Abstract

The invention relates to a cultivation technology for vegetation, in particular to a method for planting Suaeda salsa and other halophytes in the dry and windy desert saline and alkaline soil. The method comprises the following steps: the seeds of Suaeda salsa or other salt tolerant plants are planted in any desert saline and alkaline soil ditched in the specific direction in September to November, so that the seeds are prevented from being blown away by wind, the required moisture for seed germinating in spring can be ensured by fully utilizing the snowfall during the winter; and the specific direction of ditching is the direction perpendicular to the wind direction during the sowing. By adopting the method, the negative influence of the strong wind and dry weather to the planting of the Suaeda salsa and the other halophytes is overcome, the Suaeda salsa and the other halophytes can be planted in the extremely arid high saline and alkaline soil at inland on a large scale, the vegetation is established, the bare alkaline deserts, the diffusion of the salinization and the aaline-alkaline dust storm thereof can be eliminated, and the improvement and the optimization of the ecological environment can be realized.

Description

technical field [0001] The invention relates to vegetation cultivation techniques, in particular to a method for planting Suaeda salsa in arid and windy desert saline-alkali environments. Background technique [0002] Due to the lack of vegetation, drought and strong winds caused saline-alkali environment in the desert to be wrecked by saline-alkali dust and saline-alkali dust storms, causing serious water and soil erosion, spreading salinization, eroding the salinization of the surrounding cultivated land, and dying crops and trees so that no grass can grow, forming desertification and water sources, Air pollution is harmful to human and animal health. [0003] Therefore, by planting Suaeda salsa and other halophytes to establish vegetation on the bare saline-alkaline desert and eliminate the environmental hazards brought by the saline-alkali desert, it is of great significance to change the ecological environment in the northwest, northeast, and north of China. [0004] T...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01B79/00A01C1/06
Inventor 邢军武
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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