Method for planting Suaeda salsa on serious saline-alkali soil by trickle irrigation in arid area

A technology of Suaeda salsa and saline-alkali land, applied in botany equipment and methods, climate change adaptation, horticulture, etc., can solve problems that are not suitable for large-scale agricultural production, construction, and large engineering volume, and achieve benefits to water resources The effect of economical use

Inactive Publication Date: 2012-03-28
XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Chinese Patent Application No. 200810017113.7 describes the method of planting in arid and windy desert saline-alkali environments, and Patent Application No. 200810017114.1 describes the method of sowing seeds with perforations in saline-alkali environments. These two methods are all proposed under the condition of no irrigation , using snowmelt water and rainwater to achieve seed germination and growth, with the purpose of establishing vegetation in desert habitats, it is not suitable for large-scale planting of economical halophytes
Patent Application No. 200810055057.6 describes the method of constructing an isolated area,

Method used

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  • Method for planting Suaeda salsa on serious saline-alkali soil by trickle irrigation in arid area
  • Method for planting Suaeda salsa on serious saline-alkali soil by trickle irrigation in arid area
  • Method for planting Suaeda salsa on serious saline-alkali soil by trickle irrigation in arid area

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] From 2009 to 2010, the heavy saline-alkali land of Konka Company in Karamay Agricultural Development Zone, application demonstration of 150 mu, set up 4 experimental plots, with an area of ​​225m2 2 (15m×15m);

[0025] land selection, land preparation

[0026] The test site selects heavy saline-alkali land with a salt content of 3.0% in the 0-30cm soil layer, cultivates Suaeda salsa in saline land, and plows and harrows before planting to make the surface soil smooth and finely divided;

[0027] Drip irrigation belt layout

[0028] The capillary drip irrigation belt is laid out in the way of "one pipe and one row", the distance between the drip irrigation capillaries is 0.6m, and the flow rate of the drip irrigation emitter is controlled at 1L / h;

[0029] sowing

[0030] The sowing period is selected from late April to early May. The planting method is drill sowing. Mix the seeds of Suaeda salsa with fine sand and water until they are scattered, and plant them on bot...

Embodiment 2

[0034] In 2011, in the heavy saline-alkali land of Xiaoguai Township, Karamay, the application demonstration area was 100 mu, and 4 experimental plots were set up, with an area of ​​225m 2 (15m×15m);

[0035] land selection, land preparation

[0036] The test site selects a heavy saline-alkali land with a salt content of 5.5% in the 0-30cm soil layer, cultivates Salicornia, and plows and harrows before planting to make the surface soil smooth and finely divided;

[0037] b. Drip irrigation belt layout

[0038] The capillary drip irrigation belt is laid out in the way of "one pipe and one row", the distance between the drip irrigation capillaries is 0.8m, and the flow rate of the drip irrigation emitter is controlled at 1.5L / h;

[0039] c. Sowing

[0040] The sowing period is selected from late April to early May. The planting method is drill sowing. Mix the seeds of Salicornia salicornia with fine sand and water until they are scattered, and plant them in the areas on both ...

Embodiment 3

[0044] In 2011, in the heavy saline-alkali land of Xiaoguai Township, Karamay, the application demonstration area was 100 mu, and 4 experimental plots were set up, with an area of ​​225m 2 (15m×15m);

[0045] land selection, land preparation

[0046] The test site selects heavy saline-alkali land with a salt content of 4.0% in the 0-30cm soil layer, cultivates Suaeda salsa, and plows and harrows before sowing to make the surface soil smooth and finely divided;

[0047] b. Drip irrigation belt layout

[0048] The capillary drip irrigation belt is laid out in the way of "one pipe and one row", the distance between the drip irrigation capillaries is 1.0m, and the flow rate of the drip irrigation emitter is controlled at 2L / h;

[0049] c. Sowing

[0050] The sowing period is selected from late April to early May. The planting method is drill sowing. Mix the seeds of Suaeda salsa with fine sand and water to loose grains, and plant them in the areas on both sides of the capillary...

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Abstract

The invention relates to a method for planting Suaeda salsa on serious saline-alkali soil by trickle irrigation in arid areas, and the method comprises the following steps: overlaying an irrigation facility in a heavy salinization soil environment; arranging hollow billet trickle irrigation zones in a mode of one pipe in one row; in a strip cropping mode, planting halophyte seeds on two sides of the hollow billet zone; dripping after sowing is finished to prevent seeds from being blown by wind; and combining with a water-saving trickle irrigation technology, causing soluble salt in the areas near the trickle irrigation billet trickle zone to transfer along with water or transfer to direction far away from the billet trickle by controlling the trickle irrigation flow so as to create a low-salt environment for halophyte seeds to germinate and young seedlings to grow, thereby planting the young seedlings. According to the method disclosed by the invention, inhibition on halophyte seed germination and young seedling growth by the heavy salinization soil environment can be overcome, a technical mode for developing the agricultural production on the common big rinsing salt improved saline-alkali soils can be broken through, and ecological economy halophyte is planted on a large scale so as to accumulate technical reserve for developing and utilizing the large-area saline-alkali soilwasteland in arid areas.

Description

Technical field: [0001] The invention belongs to the field of plant cultivation, and relates to the agricultural cultivation technology for large-scale planting of halophytes such as Suaeda salsa under the condition of drip irrigation. Background technique: [0002] my country has a vast area of ​​saline soil, and the reserve cultivated land resources are mainly saline soil. With the increase of population, the decrease of cultivated land resources and the increasingly prominent contradictions such as ecological deterioration, the development and utilization of salinized wasteland to alleviate the pressure of food security has attracted much attention. Salinized wasteland is a natural landscape in arid areas and an important reserve cultivated land resource. For a long time, people have used traditional technologies (building irrigation and drainage facilities, washing salt with water) to reduce the salinity content of the soil. This process is not only costly, but also As ...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G25/00
CPCY02A40/22
Inventor 赵振勇田长彦张科王平尹传华
Owner XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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