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Method for planting beet in coastal heavy saline-alkali soil

A saline-alkali land and sugar beet technology, which is applied in the fields of water resource utilization and soil improvement, can solve problems such as the operation method for planting specific crops is not given, and achieve the effects of ensuring survival and normal growth, promoting development, and simple operation

Active Publication Date: 2012-01-04
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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Effect test

Embodiment 1

[0026] Below is the application example of the applicant planting sugar beets in heavy saline-alkali land near the sea. 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 planting sugar beet in seashore heavy ...

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Abstract

The invention discloses a method for planting beet in coastal heavy saline-alkali soil. The method comprises the following steps: A. arranging land, and building an elongated farmland or a raised field; B. irrigating and icing by salt water in winter; C. covering by a mulching film; D. culturing seedlings and transplanting; E. managing in a growth period; and F. harvesting when the beet is mature. According to a series of measures of arranging land, icing and irrigating by salt water in winter, melting and spraying by salt water in spring, covering by the mulching film, inhibiting salt, preserving soil moisture and the like, the salt content in soil of a beet root layer is lowered, and the beet can be guaranteed to normally grow. The method is simple to operate, has the advantages of low cost and obvious economic, social and ecological benefits, and is suitable to be applied in coastal saline-alkali zones; and by the method, the development of sugar manufacture and biological energy industry in China can be promoted.

Description

technical field [0001] The invention relates to the technical field of water resource utilization and soil improvement, in particular to a method for planting sugar beet in coastal heavy 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 patent "Method for Improvi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01B79/02
Inventor 刘小京张秀梅陈丽娜谢志霞巨兆强郭凯
Owner INST OF GENETICS & DEVELOPMENTAL BIOLOGY CHINESE ACAD OF SCI
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