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Method for planting nursery stock in heavy saline-alkaline soil in arid region

A technology for saline-alkali land and arid areas, which is applied in land preparation methods, botanical equipment and methods, and fertilization methods, etc., can solve problems such as plant water loss, stomata cannot be closed normally, and large investment, and achieve the effect of improving survival rate.

Inactive Publication Date: 2017-05-31
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

(3) Stomata cannot be closed normally, resulting in water loss, drought and withering of plants
[0006] Traditional measures to improve saline-alkali soil, such as building terraced fields, laying drainage pipes, and digging drainage ditches, require a large investment and are prone to repeated saline-alkali occurrences, which cannot fundamentally solve the problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1 (Karamay Large Agricultural Forest Park)

[0023] a. Land leveling: choose bare-plate saline-alkali land, and level the soil by raking and raking to achieve fine soil fragmentation;

[0024] b. Ditching: Use a high-horsepower tractor to hang a plowshare to open a trench, the trench spacing is 3m, the trench depth is 0.3m, and the trench width is 0.5m;

[0025] c. Planting: Dig planting pits in the ditch, the pit spacing is 2m, the pit depth is 0.5m, and the pit diameter is 0.4m. After the spring thawing, before the seedlings are not sprouted, choose to plant the native salt-tolerant plants of 2-year-old black fruit wolfberry. Pruning and truncating the tops, the seedlings are cut short to leave 5 internodes, the notch is painted to protect the wound, the above ground is covered with a layer of soft, sparse, single-layer straw curtain, and 3 trees are planted in each pit. After filling the soil, the seedlings are lifted steadily , make the stem base and the di...

Embodiment 2

[0028] Example 2 (Xiaoguai Township, Karamay)

[0029] a. Land leveling: choose bare-plate saline-alkali land, and level the soil by raking and raking to achieve fine soil fragmentation;

[0030] b. Ditching: use a high-horsepower tractor to hang a plowshare to open a trench, the trench spacing is 4m, the trench depth is 0.3m, and the trench width is 0.5m;

[0031] c. Planting: dig planting pits in the ditch, the spacing between the pits is 3m, the depth of the pits is 0.5m, and the diameter of the pit is 0.4m. Before the seedlings are thawed in spring, before the seedlings germinate, choose the native salt-tolerant plant as the 2-year-old Dasha jujube. The branches and tops were cut off, the seedlings were cut short to leave 6 internodes, the cutouts were painted to protect the wounds, and the upper part of the ground was covered with a layer of soft, sparse, single-layer straw-like straw curtains, and 2 trees were planted in each pit. Make the stem base and the ditch level,...

Embodiment 3

[0034] Example 3 (Fukang Desert Ecological Station, Chinese Academy of Sciences)

[0035] a. Land leveling: choose bare-plate saline-alkali land, and level the soil by raking and raking to achieve fine soil fragmentation;

[0036] b. Ditching: use a high-horsepower tractor to hang a plowshare to open a trench, the trench spacing is 4m, the trench depth is 0.3m, and the trench width is 0.5m;

[0037] c. Planting: dig planting pits in the ditch, the spacing between the pits is 3m, the depth of the pits is 0.5m, and the diameter of the pit is 0.4m. After the spring thawing, before the seedlings are not sprouted, choose the native salt-tolerant plant of 2-year-old tamarisk, and prune the branches and cut off the top of the tamarisk. , the seedlings are cut short to leave 5 internodes, the cutouts are painted to protect the wound, the upper part of the ground is covered with a layer of soft, sparse, single-layer straw-like straw curtains, and 3 trees are planted in each pit. The d...

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Abstract

The invention relates to a method for planting a nursery stock in heavy saline-alkaline soil in an arid region. According to the method, a furrow is opened in the saline-alkaline soil, planting pits are dug in the furrow, haloduric tree seeds is chosen, the nursery stock is pruned and covered to resist salt and drought; in the early stage, drip irrigation with an exceeding amount and micro-region fertile soil are adopted; subsequently, through a nutrient method of combining planting through a haloduric green fertilizer used in the furrow and the micro-region fertile soil, external substrate conditions for the growth of root systems are created from little one to much one and from light one to deep one, and thus the purpose that as the plant grows, the salt reduction and soil improvement are conducted are achieved. According to the method for planting the nursery stock in the heavy saline-alkaline soil in the arid region, a short-term and long-term effect are both taken into consideration, the method is simple and feasible, saline alkali tolerant nursery stock protection, drip irrigation and water conservation, biological green manure and space-time dynamic micro-region fertile soil technologies are integrated, and thus a technological support is provided for sustainable development of greening and improvement of the saline-alkaline soil in the arid region.

Description

[0001] Technical field: [0002] The invention belongs to the field of ecological planting, and relates to a seedling planting method for salt-tolerant plants in heavy saline-alkali land in arid areas. [0003] Background technique: [0004] The water quality and soil around the oases in inland arid areas are generally saline, and the problems of soil salinization and secondary salinization are serious. Drought and little rainfall, lack of fresh water, sparse vegetation, and fragile ecological environment make greening on saline-alkali land a persistent problem and hotspot. [0005] Saline-alkali soil has poor permeability, slow heating, strong capillary action, slow nutrient release, structural bonding, and poor aerobic microbial activity, which make plant growth and development under stress or even death. The damage of saline-alkali soil to plant growth is mainly manifested in the following aspects: (1) Physiological drought: saline-alkali soil contains too much soluble salt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01B79/02A01C21/00A01G25/00
CPCA01B79/02A01C21/00A01G17/005A01G25/00Y02A40/22
Inventor 张科赵振勇田长彦张福海李中邵杨朋朋阿不都艾力·衣明
Owner XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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