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Weeping alkaligrass micro ridge cultivating method in severe soda saline-alkali land

A technology of soda saline-alkali soil and cultivation method, which is applied to the stress-resistant cultivation of plants and the field of micro-ridge cultivation of soda saline-alkali soil, which can solve the problems of poor control of irrigation water layer, easy powder seedling, uneven emergence, etc., and achieve irrigation and maintenance The water layer is convenient, the effect of preventing impact and reducing surface runoff

Inactive Publication Date: 2008-10-15
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. Flood irrigation with large water forms a strong water flow, which gathers the tiny seeds of E. chinensis to the low-lying places, resulting in serious uneven emergence
[0005] 2. Serious waste of irrigation water
[0006] 3. It is difficult to control the irrigation water layer, the water depth is low and the temperature is low, and it is easy to plant powder after a long time; shallow water is easy to dry and not germinate
[0007] 4. Large amount of seeds: 40-60kg per hectare

Method used

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  • Weeping alkaligrass micro ridge cultivating method in severe soda saline-alkali land

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Embodiment Construction

[0024] Severe soda-alkali soil Alkaline columbine micro-ridge cultivation experiment was carried out on the heavily soda-alkali soil at the Da'an Alkaline Land Ecological Experiment Station of the Chinese Academy of Sciences from 2002 to 2004, located in Honggangzi Township, Da'an City, Jilin Province.

[0025] There is no vegetation on the soil surface of the heavily soda saline-alkali land, which is a typical alkaline spot. The salinization index is shown in Table 1; the soil nutrient index is shown in Table 2:

[0026] Table 1: Severe soda saline-alkali soil (0-20cm) salinization index

[0027] Unit: (mg / kg)

[0028]

[0029] Table 2: Nutrient index of heavy soda saline-alkali soil (0-20cm)

[0030] Unit: (mg / kg)

[0031] All N

full P

Full K (%)

Speed ​​N

Speed ​​P

Speed ​​K

Organic matter (%)

1207.69

252.01

1....

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Abstract

The invention discloses a weeping alkaligrass micro-ridging culturing method of severe soda alkaline land in the plant culturing technological domain, which is characterized by the following: adopting heavy notched disk to grade and ridge for 2-3 times, sowing at 0.5-1.5cm thickness when the day and night difference is over 10 deg.c, irrigating management for higher end of field, opening inlet groove with depth at 10-15 cm along vertical direction, supplying water, irrigating intervally in the second and third years, fertilizing 85kg aquacare on each hectare, mowing to remain 3-4 cm stub.

Description

technical field [0001] The invention belongs to the technical field of plant cultivation, and relates to a plant stress-resistant cultivation technique, in particular to a micro-ridge cultivation method of Alkaline lanceolata on a heavily soda-salinated soil. Background technique [0002] Puccinellia tenuiflora (Turcz) Scribn & Merr, scientific name Puccinellia tenuiflora (Turcz) Scribn & Merr, is a clump-type perennial gramineous forage plant. It is one of the dominant plants on the saline-alkali grassland in the Songnen Plain of China. good characteristics. Under the condition that the total soil content of the plough layer is 1-3% and the pH value is 9.0-10.5, it can still grow and develop normally and complete the life history. It is a pioneer grass species for biological improvement and vegetation restoration of severe soda saline-alkali land in northeastern China. [0003] The conventional cultivation method of Soda Saline soil is the artificial flat sowing method. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01G25/00A01G7/00A01C7/00
Inventor 王志春梁正伟
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S