Original soil afforesting method of moderate and severe saline and alkaline land

A technology for heavily saline-alkali land and original soil greening, applied in the field of ecological environmental protection science, can solve the problems of easy back-off of salt and alkali, unrealistic and other problems, achieve high survival rate, prevent salt-alkaline back-off, and reduce costs.

Active Publication Date: 2012-11-07
山东三益园林绿化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is very unrealistic in the coastal areas, because the amount of fresh water in the coastal areas is small, and the salt content of the groundwater is also hi

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] The original soil greening method of moderate to severe saline-alkali land mainly includes the following steps:

[0041] S1. Raw soil treatment for moderate to severe saline-alkali land

[0042] Apply organic fertilizer in the original soil of medium-severe saline-alkali land, the fertilization rate is 2.0 tons / mu, and carry out deep plowing, the plowing depth is 25cm;

[0043] S2. Seedling hardening

[0044] Select tamarisk, salix, bamboo willow and ash saplings with a height of 100cm from the greenhouse nursery. When transplanting, ensure that the roots of the saplings leave a Φ40cm soil ball, and transplant them to the field. The hardening time is 17 days;

[0045] S3. Squatting seedlings

[0046] Move the hardened saplings back to the greenhouse nursery, carry out water treatment, and control the temperature at 25°C, and squatting for 13 days;

[0047] S4. Transplant to medium-severe saline-alkali land for native soil cultivation

[0048] Dig a hole in moderate ...

Embodiment 2

[0052] The original soil greening method of moderate to severe saline-alkali land mainly includes the following steps:

[0053] S1. Raw soil treatment for moderate to severe saline-alkali land

[0054] Apply organic fertilizer in the original soil of medium-severe saline-alkali land, the fertilization rate is 1.8 tons / mu, carry out deep plowing, the plowing depth is 20cm, and water once after deep plowing, the watering depth is 40cm, organic fertilizer can increase the moisture content of the soil Humus, which is beneficial to the formation of aggregate structure, improves the aeration, water permeability and nutrient status of saline-alkali land, and the organic acid produced after the decomposition of organic matter can also neutralize the alkalinity of the soil;

[0055] S2. Seedling hardening

[0056] Select tamarisk, salix, bamboo willow and ash saplings with a height of 50cm from the greenhouse nursery. The ratio of tamarisk, salix, bamboo willow and ash is 6:2:1:1. Whe...

Embodiment 3

[0064] The original soil greening method of moderate to severe saline-alkali land mainly includes the following steps:

[0065] S1. Raw soil treatment for moderate to severe saline-alkali land

[0066] Apply organic fertilizer in the original soil of medium and severe saline-alkali land, the fertilizer rate is 2.2 tons / mu, carry out deep plowing, the plowing depth is 30cm, and water once after deep plowing, the watering depth is 50cm, organic fertilizer can increase soil moisture Humus, which is beneficial to the formation of aggregate structure, improves the aeration, water permeability and nutrient status of saline-alkali land, and the organic acid produced after the decomposition of organic matter can also neutralize the alkalinity of the soil;

[0067] S2. Seedling hardening

[0068] Select tamarisk, salix, bamboo willow and ash saplings with a height of 200cm from the greenhouse nursery. The ratio of tamarisk, salix, bamboo willow and ash is 6:2:1:1. When transplanting, ...

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PUM

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Abstract

The method provides an original soil afforesting method of moderate and severe saline and alkaline land. After tamarix chinensis seedlings in a greenhouse nursery garden are exercised and restrained in growth for root development, the seedlings are transplanted in the moderate and severe saline and alkaline land to perform original soil cultivation. Simultaneously, salix psammophila, bamboo willow and fraxinus chinensis roxb are planted between tamarix chinensis planting belts. According to the original soil afforesting method of the moderate and severe saline and alkaline land, the seedlings are selected to perform interplanting, original soil seedling planting is adopted to afforest the moderate and severe saline and alkaline land, and the problem that methods of traditional soil dressing planting, soil improvement, desalinization through irrigation and the like are high in cost and easy to suffer saline erosion is avoided. The original soil afforesting method of the moderate and severe saline and alkaline land is low in cost, becomes effective rapidly, can form novel ecological environment at the moderate and severe saline and alkaline land rapidly, achieves ecological balance, and avoids saline erosion. Four kinds of seedlings are interplanted simultaneously, and the tree species can supplement each other to achieve ecological balance so as to enable the seedlings to survive and grow easily and form a virtuous cycle.

Description

technical field [0001] The invention relates to the field of ecological and environmental protection science and technology, in particular to an original soil ecological greening method for land reclamation by sand blowing and seaside and other medium-severe saline-alkali lands. Background technique [0002] Sand blowing, also referred to as land reclamation, refers to the construction of dikes on beaches or shallow seas to isolate the external sea water, and drain the water in the dikes to make them land. However, the salinity of the fields formed by sand blowing is very high. At the same time, most of the other coastal fields are moderately to severely saline-alkali lands with very high salinity. Moderate to severe saline-alkali land mainly contains chloride or sulfate, with a salt content between 0.3% and 3%. Medium-severe saline-alkali soil has low organic matter content, low soil fertility, poor physical and chemical properties, and many anions and cations that are har...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G23/00A01B79/02A01G23/04
CPCY02A40/22Y02P60/40
Inventor 李献礼赵东风王爱民
Owner 山东三益园林绿化有限公司
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