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Water-saving tree planting construction process for arid and saline-alkali areas

A construction technology and saline-alkali technology, applied in the field of tree planting, can solve the problems of unutilized resources, low survival rate of trees, low survival rate of saplings, etc. Effect

Pending Publication Date: 2022-05-13
左政
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The problem of land salinization and desertification is one of the main environmental problems faced by human beings. There are 8 million square kilometers of medium-high saline-alkali land in the world. In my country, there are 300,000 square meters of medium-high saline-alkali land with an annual rainfall of less than 200 mm and a pH value greater than 8. Most of them are distributed in Tibet, Qinghai, Xinjiang, Gansu, Ningxia, Inner Mongolia and other provinces and regions. In these areas, due to the low rainfall and salinization of the land, the survival rate of trees is too low or cannot be planted at all, making these lands invalid The land and resources cannot be used. In these cities or areas, in order to carry out urban greening or shelter forests, it is necessary to replace the soil in a large area and set up drip irrigation technology, resulting in high cost of planting trees, but the survival rate of saplings is low. Therefore, it is necessary to design a Water-saving tree planting construction technology for low-cost tree planting, high survival rate, and low water consumption in arid saline-alkaline areas

Method used

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  • Water-saving tree planting construction process for arid and saline-alkali areas

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Effect test

Embodiment 1

[0034] A construction technique for water-saving tree planting in arid saline-alkali areas, comprising the following steps:

[0035] S1. Preparation of saplings and selection of seedling cups: Select saplings according to the climate conditions and planning requirements of the planting site. Standby, according to the size of the saplings, select the seedling cup for use. The diameter of the seedling cup is 10cm-25cm, and its size matches the size of the sapling. Generally, the annual saplings choose the seedling cups with a diameter of 10cm-15cm, and the biennial saplings choose the seedlings with a diameter of 15cm-20cm. Cup, for three-year-old saplings, choose a seedling cup with a diameter of 20cm to 25cm;

[0036] S2. Preparation of nutrient soil: prepare and stir evenly according to the ratio of original soil: animal manure: peat 80:18:2. Before preparation, the original soil needs to be screened to remove stones and other sundries. Manure, cow manure or sheep manure nee...

Embodiment 2

[0047] Embodiment 2, application example of the present invention

[0048] Data one:

[0049] In Ejina Banner, Inner Mongolia, the annual rainfall is 40 mm, the annual evaporation is 4000 mm, and the pH value is 8.2. Gobi, 2000 mu of saplings were planted using the present invention in 2019. The survival rate is shown in Table 1:

[0050] Table 1, use tree planting survival rate of the present invention

[0051]

[0052]

[0053] Data two:

[0054] Mangya City, Qinghai, 3,800 meters above sea level, annual rainfall of 40 mm, annual evaporation of 3,300 mm, pH value of 8.2, Gobi, 200 mu of saplings were planted using the present invention in 2019, and the survival rate is shown in Table 2:

[0055] Table 2, use tree planting survival rate of the present invention

[0056] Variety Planting area (mu) Survival rate of the year three-year survival rate Xinjiang poplar 100 85％ 80％ Haloxylon tree 50 90％ 84％ red willow 50 91％ 86％

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Abstract

The invention discloses a water-saving tree planting construction process for arid and saline-alkali areas, and relates to the technical field of tree planting. Comprising the following steps of sapling preparation, seedling cup selection, nutrient soil preparation, ionic soil preparation, microbial interference liquid preparation, microbial interference liquid inoculation with ionic soil, microbial interference liquid inoculation with nutrient soil, sapling culture, sapling planting and later maintenance. According to the method, only ion soil needs to be backfilled during tree planting, large-area soil replacement is not needed, the cost is saved, the efficiency is improved, the watering amount is only one tenth of the watering amount of traditional tree planting, large-amount watering is not needed, the cost is saved, the effective space of territorial land is expanded, and a large number of social resources are saved.

Description

technical field [0001] The invention relates to the technical field of tree planting, in particular to a construction technique for water-saving tree planting in arid saline-alkali areas. Background technique [0002] The problem of land salinization and desertification is one of the main environmental problems faced by human beings. There are 8 million square kilometers of medium-high saline-alkali land in the world. In my country, there are 300,000 square meters of medium-high saline-alkali land with an annual rainfall of less than 200 mm and a pH value greater than 8. Most of them are distributed in Tibet, Qinghai, Xinjiang, Gansu, Ningxia, Inner Mongolia and other provinces and regions. In these areas, due to the low rainfall and salinization of the land, the survival rate of trees is too low or cannot be planted at all, making these lands invalid The land and resources cannot be used. In these cities or areas, in order to carry out urban greening or shelter forests, it is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G23/04A01G24/20A01G24/28A01G24/17A01G24/13C12N1/20C12N1/16C12N1/14C12R1/125C12R1/885C12R1/07C12R1/10
CPCA01G17/005A01G23/04A01G24/20A01G24/28A01G24/17A01G24/13C12N1/20C12N1/16C12N1/14
Inventor 左政
Owner 左政
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