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Method for planting medicago sativa in salinization wasteland of arid region

A technology of alfalfa and salinization, applied in the field of plant cultivation, can solve problems such as heavy workload, unsuitability for large-scale planting of alfalfa, cumbersome procedures, etc., achieve shading and protect seedling survival rate, increase seed germination rate and The survival rate of seedlings and the effect of improving the soil environment

Inactive Publication Date: 2012-04-11
XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Chinese Patent Application No. 02128113.0 describes the method of asexual propagation, that is, cutting branches to plant alfalfa, which is not suitable for large-scale planting of alfalfa
Patent Application No. 201010233703.0 describes the method of planting alfalfa in light saline-alkali land, which involves steps such as autumn plowing, farmyard manure application, ridging, suppression and spring ridge sowing on light saline-alkali land, with a large workload and cumbersome procedures

Method used

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  • Method for planting medicago sativa in salinization wasteland of arid region

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] In 2009, the saline-alkali land of Konka Company in Karamay Agricultural Development Zone was applied to 20 mu of saline-alkali land, and 4 experimental plots were set up, with an area of ​​225m 2 (15m×15m);

[0026] land selection, land preparation

[0027] The test site selects a moderately salinized soil plot with a salt content of 1.59% in the 0-30cm soil layer, and plows and harrows before sowing to make the surface soil smooth and finely divided;

[0028] Drip irrigation belt layout

[0029] The capillary drip irrigation belt is laid out in the way of "one pipe and one line", the distance between the drip irrigation capillaries is 0.6m, and the flow rate of the drip irrigation emitter is controlled at 1.8L / h;

[0030] sowing

[0031] The sowing time is selected at the beginning of May, when the ground temperature of 5 cm above the ground reaches 15°C, sow in time. The planting method is drill sowing. Mix the seeds of Suaeda salsa and alfalfa with fine sand and ...

Embodiment 2

[0035] In 2010, in the saline-alkali land of Konka Company in Karamay Agricultural Development Zone, 30 acres of application demonstration were set up, and 4 experimental plots were set up, with an area of ​​225m 2 (15m×15m);

[0036] land selection, land preparation

[0037] The test site selects a moderately salinized soil plot with a salt content of 1.86% in the 0-30cm soil layer, and plows and harrows before planting to make the surface soil smooth and finely divided;

[0038] Drip irrigation belt layout

[0039] The capillary drip irrigation belt is laid out in the way of "one pipe and one line", the distance between the drip irrigation capillaries is 0.8m, and the flow rate of the drip irrigation emitter is controlled at 2.5L / h;

[0040] sowing

[0041] The sowing time is chosen to be in late April, when the ground temperature of 5 cm above the ground reaches 15°C and the planting method is drill sowing. Mix the seeds of Suaeda salsa and alfalfa with fine sand and wat...

Embodiment 3

[0045] In 2010, in the saline-alkali land of Xiaoguai Township, Karamay, the application demonstration area was 30 mu, and 4 experimental plots were set up, with an area of ​​225m 2 (15m×15m);

[0046] a. Site selection, site preparation

[0047] The test site selects a moderately salinized soil plot with a salt content of 2.0% in the 0-30cm soil layer, and plows and harrows before planting to make the surface soil smooth and finely divided;

[0048] b. Drip irrigation belt layout

[0049] The capillary drip irrigation belt is laid out in the way of "one pipe and one line", the distance between the drip irrigation capillaries is 0.7m, and the flow rate of the drip irrigation emitter is controlled at 3.0L / h;

[0050] c. Sowing

[0051] The sowing time is chosen to be in late April, when the ground temperature of 5 cm above the ground reaches 15°C and the planting method is drill sowing. Mix the seeds of Suaeda salsa and alfalfa with fine sand and water until they become loose,...

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Abstract

The invention relates to a method for planting medicago sativa in a salinization wasteland of an arid region. In the method, a low-salt environment for plant seed germination and seedling growth is created by using a mode of pressure drip irrigation, so that successful planting of plant seedlings in the saline-alkali soil is realized; shading protection is provided for the medicago sativa seedlings by planting the medicago sativa and suaeda salsa together and using the characteristic of fast growth of the suaeda salsa; and meanwhile, the salt content of the soil of the medicago sativa root zone is reduced by using high biomass and in vivo salt gathering characteristic of the suaeda salsa. By the method, the inhibition of the saline-alkali soil environment on medicago sativa seed germination and seedling growth is overcome, a condition for later normal growth of the medicago sativa is created, and a technical support is provided for production of high-quality pasture in Xinjiang and development of the animal husbandry.

Description

technical field [0001] The invention belongs to the field of plant cultivation, and in particular relates to a method for planting alfalfa by mixed sowing of Suaeda salsa in moderately salinized soil wasteland under the condition of drip irrigation. Background technique [0002] Xinjiang is a famous natural grassland in my country and one of the important animal husbandry bases in China. Xinjiang has an area of ​​720 million mu of usable natural pastures. Affected by climate change, overloaded grazing, grassland reclamation, and medicinal material extraction, 85% of them have degraded, of which 30% are severely degraded. In order to realize the sustainable development of animal husbandry, Xinjiang began to implement the project of returning grazing land to grassland at the end of the last century, increased the construction of artificial forage bases, vigorously promoted the planting of forage grass, and promoted the settlement of herdsmen. Alfalfa (Medicago sativa L.) is a...

Claims

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Application Information

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IPC IPC(8): A01G1/00
Inventor 赵振勇田长彦张科王平王雷尹传华
Owner XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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