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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, uneven emergence, easy-to-powder seeds, etc., and achieve irrigation and Keep the water layer convenient, reduce surface runoff, and prevent impact effects

Inactive Publication Date: 2007-02-28
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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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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Embodiment Construction

[0024] Severe soda saline-alkali land Alkaline Mao micro-ridge cultivation experiment was carried out in 2002-2004 on the severe soda saline land of Da'an Alkali Land Ecological Experiment Station, Chinese Academy of Sciences, located in Honggangzi Township, Da'an City, Jilin Province.

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

[0026] Table 1: Salinization index of soil (0-20cm) in severe soda saline-alkali land

[0027] Ca 2+

Mg 2+

K +

Na +

Cl -

CO 3 2-

HCO 3 -

SO 4 2-

24.00

167.15

163.75

3075.00

869.75

828.00

10760.40

10.060

pH

10.38

EC(ds / m)

1.383

[0028] Table 2: Nutrient indicators of soil (0-20cm) in severe soda saline-al...

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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 stress-resistant cultivation technology of plants, in particular to a micro-ridge cultivation method for soda saline-alkali soil. Background technique [0002] Puccinellia tenuiflora (Turcz) Scribn & Merr, scientific name Puccinellia tenuiflora (Turcz) Scribn & Merr, is a perennial gramineous forage plant in clusters. It is one of the dominant plants on the saline-alkali grassland in the Songnen Plain of China. good features. In the case of 1-3% of the total soil content of the plow layer and a pH value of 9.0-10.5, it can still grow and develop normally and complete the life cycle. It is a pioneer grass species for biological improvement and vegetation restoration of severe soda saline-alkali land in Northeast China. [0003] The conventional cultivation method of soda saline-alkali land is the artificial flat sowing method. Because the seeds are very small (thousan...

Claims

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Application Information

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