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Method for planting Chinese tamarisk forest in littoral heavy saline-alkali land through direct cuttage

A saline-alkali land and coastal technology, applied in the fields of water resource utilization and soil improvement, can solve the problems of not giving specific crop planting operation methods, and achieve the effects of ensuring the survival and normal growth of cutting planting, improving the ecological environment, and simple operation

Active Publication Date: 2012-01-25
INST OF GENETICS & DEVELOPMENTAL BIOLOGY CHINESE ACAD OF SCI
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Problems solved by technology

However, the above research does not give specific operation methods for planting specific crops. Due to the different habits of different plants, it is still necessary to explore specific planting schemes suitable for different crops through a large number of experiments on the basis of the above technologies.

Method used

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Examples

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Embodiment 1

[0026] The following is an application example of the applicant planting Tamarix by direct cutting into a forest in heavy saline-alkali coastal areas. The base is located in Haixing County, Hebei Province, which has a warm temperate continental monsoon climate, with an annual average temperature of 12.1°C, an average temperature of -4.6°C in January, an extreme minimum temperature of -19.9°C, and a frost-free period of 217 days. The annual sunshine hours are 2718.8 hours, and the average annual precipitation is 627.9mm, mainly concentrated in July to August, accounting for 74% of the annual precipitation. This area is a coastal plain, low-lying and flat, with an altitude of 1.3-3.6m, and the soil is coastal saline soil with a salt content of more than 0.8%, which is coastal heavy saline-alkali land. The groundwater level is shallow, with an average of about 1 meter, and the groundwater is highly mineralized, with a salt content of 7-20g·L -1 .

[0027] The method for direct ...

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Abstract

The invention discloses a method for planting Chinese tamarisk forest in littoral heavy saline-alkali land through direct cuttage. The method comprises the following steps of: A, carrying out land preparation, building bench borders; B, irrigating with saline water in winter and freezing; C, mulching film; D, preparing cutting wood; E, carrying out cuttage and planting; F, fertilizing; and G, carrying out growth period management. In the invention, through taking a series of measures such as land preparation, freezing and irrigating with the saline water in winter, melting and showering with the saline water in spring, film mulching for reducing soil and retaining water and the like, Chinese tamarisk forest can be planted in the littoral saline-alkali land by a direct cuttage method, goodeffect is realized in the same year when afforestation is carried out in high saline-alkali land, vegetation coverage rate of the high saline-alkali land is improved, ecological environment is improved, and the method disclosed by the invention has a wide application prospect.

Description

technical field [0001] The invention relates to the technical field of water resource utilization and soil improvement, in particular to a method for directly cutting Tamarix tamarisk into forests in coastal saline-alkali land. Background technique [0002] Soil saline-alkali drought is the main factor restricting the development of agriculture. The traditional improvement of saline-alkali land is mainly realized through irrigation and drainage measures such as spraying salt with fresh water, extracting groundwater, and lowering the groundwater table. The application of this measure is limited due to the scarcity of fresh water resources. Especially along the coast of the Bohai Sea, more than 20 million mu of coastal saline-alkali land is difficult to use due to lack of fresh water, and it is difficult for crops to grow. However, although freshwater resources are scarce in coastal areas, saltwater resources are abundant. [0003] Referring to the applicant's previous paten...

Claims

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Application Information

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IPC IPC(8): A01G23/00A01G1/00A01G13/02A01B79/02
CPCY02A40/22Y02P60/40
Inventor 张秀梅刘小京崔鑫晶孙秀芳
Owner INST OF GENETICS & DEVELOPMENTAL BIOLOGY CHINESE ACAD OF SCI
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