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Raise seedling method for kendir in alkaline land

A technology of apocynum and saline-alkali land, which is applied in the field of breeding of apocynum seedlings, and can solve problems such as restrictions on the natural germination of apocynum seeds and restrictions on the promotion and utilization of apocynum

Inactive Publication Date: 2010-03-24
XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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Problems solved by technology

In northern Xinjiang, due to the lack of an environment similar to southern Xinjiang, the existence of saline-alkali soil has great restrictions on the natural germination of Apocynum seeds, and the emergence rate of direct planting of Apocynum seeds on saline-alkali land is only about 20%, which greatly affects The promotion and utilization of Apocynum in northern Xinjiang is limited, but the seedlings of Apocynum are planted, and the survival condition is very good, and the survival rate can reach 85%.

Method used

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  • Raise seedling method for kendir in alkaline land

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Embodiment

[0023] During 2004-2006, the present invention selects the saline-alkali land on the edge of the desert in the northern Xinjiang region respectively, and the soil salinity is 25 grams / kg, and the sulfate ion content is 14.19 grams / kg to carry out the cultivation of apocynum seedlings:

[0024] Selection of Apocynum seeds:

[0025] The seeds of Apocynum apocynum are small, 2.5-3.0 mm long, and the thousand-grain weight is about 0.5 grams. The fully mature seeds are similar to the shape of a bowling pin, and the seed coat is brown, plump and shiny. The germination rate in the laboratory is over 90%. However, the development of the seeds is abnormal, the seed coat is wrinkled, and the color is light yellow, which belongs to dysplasia and should be removed;

[0026] Apocynum seedbed:

[0027] Apocynum seedlings are raised on medium and severe saline-alkali land. The requirements for the seedbed are very high. The land is required to be flat and the soil particles are fine and uni...

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Abstract

The present invention relates to a seedling-raising method for the apocynum in kaline soil. The method comprises the steps of the selection of the seed, establishment of the seedling bed of apocynum,plantation, selection of the plantation season, field management, etc. During the period from 2004 to 2006, the present invention is undertaken experiment and research on the kaline ground that is located at the edge of the desert in Beijiang District of Xinjiang Xinjiang Uygur Autonomous Region with the salt content of 25 g / kg and the content of the sulfate radical ion, which is succeeded. At present, the successfully-planted apocynum is flowered and fruited, which provides a successful technical example for the reasonable and effective development and utilization of the kaline soil in Beijiang.

Description

technical field [0001] The invention relates to breeding of apocynum seedlings on saline-alkali land, and the obtained apocynum seedlings are directly used for planting on saline-alkali land. Background technique [0002] There are about 380 million ha of saline-alkali land in the world 2 , our country has 100 million hm 2 , about 67 million hm in the current cultivated land 2 It is a salinized low-yield field, and there are 33.33 million hm in my country 2 Saltified grassland. Xinjiang, located in the inland arid region, has a total area of ​​2181.5hm of various types of saline-alkali land 2 , accounting for 22% of the national saline-alkali area, of which the saline land area is 997.1hm 2 , the area of ​​saline soil is 9.57 million hm 2 , the alkalized land area is 2.273 million hm 2 . The current 4.0784 million hm in Xinjiang 2 Among the cultivated land, the area affected by different salinization is 1,228,800 hm 2 , accounting for 30.12% of the cultivated land ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01C14/00A01B79/00
Inventor 蒋进徐新文雷加强黄丕振
Owner XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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