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Forest planting method for saline and alkaline lands

A planting method and saline-alkali land technology, applied in the field of saline-alkali land tree planting, can solve the problems of large manpower and material resources, slow results, and long time consumption, and achieve the effects of saving water, facilitating maintenance, and improving soil conditions

Active Publication Date: 2016-06-29
SHANDONG SUNWAY LANDSCAPE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The improvement methods of saline-alkali land generally adopt physical methods, water conservancy methods, chemical methods, and biological methods. Among them, the first three methods require a lot of manpower and material resources, and the fourth method takes a long time and has slow results.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment one, the production of compound fertilizer

[0022] a Stir and mix the mineral fertilizer, organic fertilizer and slow-release fertilizer in proportion;

[0023] Weigh 48 kg of medical stone, 16 kg of calcite, and 16 kg of zeolite in the mineral fertilizer; adjust the following components of organic fertilizer according to seasons and other factors: cow dung, horse manure, chicken manure, humic acid, milk vetch, alfalfa, crushed straw, The proportion of mulch, soybean meal, peanut meal, and the remaining residue of fermentation products is as follows: 20 kg of cow dung, 20 kg of horse manure, 20 kg of chicken manure, 80 kg of humic acid, and milk vetch 30 kg, 30 kg of alfalfa, 30 kg of crushed straw, 30 kg of mulch, 80 kg of soybean meal, 80 kg of peanut meal, and 80 kg of residual residue of fermentation products; slow-release fertilizer is 45 kg of calcium superphosphate, 55 kg of urea formaldehyde; Stir in a blender;

[0024] b Weigh 0.36 kg of microbial...

Embodiment 2

[0028] Embodiment two, the use of irrigation device

[0029] When in use, first open the valves of the micro-run main pipe and the micro-run branch pipe unit, and then dig the main pipe and the tree pit that needs to be planted at the corresponding position in the saline-alkali land. The tree pit is dug according to whether the micro-run branch pipe unit is a cage type or a mesh bag type At the same time, lay the micro-running main pipe, the micro-running branch unit and the probe in the sensor signal control system, and then plant the trees in the tree pit with the micro-running branch unit and the probe, cover the tree pit with soil, and introduce irrigation water for irrigation . Note that the irrigation water should be filtered before entering the micro-run main pipe to avoid clogging the pipe in the future. After the water is introduced, because the semi-permeable membrane is wrapped on each branch pipe in the Weirun branch pipe unit, irrigation can be automatically adju...

Embodiment 3

[0030] Embodiment three, the plantation of poplar tomentosa

[0031] (1) Selection of saline-alkali land

[0032] Select a salinized soil plot with a 0-30cm soil layer with a salt content of 0.8%, a pH of 8.7, a degree of alkalinity of 7-10%, a total soil porosity of 20%, and an air gap of 5%.

[0033] (2) Colonization:

[0034] Dig pits according to the plant spacing of 3 meters and the row spacing of 3 meters. The diameter is 80 cm and the depth is 80 cm. Put the needles in each pit, open all the valves, put a Populus tomentosa in each pit, and apply special compound fertilizer in the pit, the fertilization amount is 100 kg, pay attention to mix it with the subsoil; Pay attention to watering at the end to keep the soil moist, and watering in the future will be provided by a micro-moist irrigation device.

[0035] (3) Management after planting: fertilization is generally twice a year, once in spring and autumn, and enough base fertilizer is applied to facilitate root growt...

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Abstract

The invention discloses a forest planting method for saline and alkaline lands. The forest planting method comprises the steps of digging pits in saline and alkaline land blocks according to the shapes of micro-moist irrigation devices, scattering a compound fertilizer to the bottoms of the pits, placing micro-moist irrigation devices and plants in the pits, and carrying out soil covering and backfilling. By virtue of the special compound fertilizer with microbial activity, the soil fertility can be durably provided, and the micro-moist irrigation devices can be automatically and manually regulated to irrigate, so that the water is saved, and the maintenance is facilitated; the soil condition of a planting region is effectively improved, the pH value is decreased from originally 8.7 to 7.4, the alkalization degree of soil is decreased to about 2.5%, the total porosity of soil is increased to about 50%, and the air permeability is increased to about 15%; and furthermore, the survival rates of plants are all above 95%.

Description

technical field [0001] The invention relates to the field of soil improvement in saline-alkali land, in particular to a forest tree planting method in saline-alkali land. Background technique [0002] The ecological restoration and improvement of saline-alkali land is a project that benefits the country and the people. It can increase the area of ​​cultivated land, tap agricultural potential, and is more conducive to the development of the agricultural industry. The improvement methods of saline-alkali land generally adopt physical methods, hydraulic methods, chemical methods, and biological methods. Among them, the first three methods require a lot of manpower and material resources, and the fourth method takes a long time and has slow results. [0003] However, using biological methods to restore and improve the ecology of saline-alkali land can best solve the fundamental problem, so there are more researches in this area at present. Breeding saline-alkali-resistant green...

Claims

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Application Information

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IPC IPC(8): A01G23/00A01G25/16C05G1/10
CPCA01G23/00A01G25/167C05B7/00C05C3/00C05C9/02C05D1/02C05D9/00C05F3/00C05F5/002C05F5/006C05F5/008C05F11/00C05F11/02C05F11/08
Inventor 王胜
Owner SHANDONG SUNWAY LANDSCAPE TECH
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