Root-divided alternative irrigation method adopting zeolite salt isolation layer and application of method to planting Taxodium Zhongshanha in saline-alkali soil

A technology of alternate irrigation and salt separation layer, applied to the alternate root irrigation method and the application field of planting Zhongshan fir in saline-alkali land, can solve the problems of inconvenience, high irrigation water consumption, and many fresh water resources, etc., and achieves reduced transpiration rate and reduced The effect of transpiration

Inactive Publication Date: 2016-11-09
SHANDONG SUNWAY LANDSCAPE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. Using the existing irrigation method, the irrigation water consumption per mu is high;
[0005] 2. Using the existing irrigation method, the phenomenon of salt accumulation and salt return in the root layer of the soil is serious, and the salt content of the soil is high;
[0006] 3....

Method used

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  • Root-divided alternative irrigation method adopting zeolite salt isolation layer and application of method to planting Taxodium Zhongshanha in saline-alkali soil
  • Root-divided alternative irrigation method adopting zeolite salt isolation layer and application of method to planting Taxodium Zhongshanha in saline-alkali soil
  • Root-divided alternative irrigation method adopting zeolite salt isolation layer and application of method to planting Taxodium Zhongshanha in saline-alkali soil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] Embodiment 1 A kind of alternate root irrigation method using zeolite salt barrier

[0075] A method for alternate root irrigation using a zeolite barrier salt layer, comprising the following steps:

[0076] 1. Laying of salt barrier layer:

[0077] The salt barrier layer is sequentially from bottom to top: leaf layer, coarse stone layer, fine stone layer, and nutrient layer;

[0078] (1) Leaf layer laying;

[0079] The leaf layer includes the leaves of maple ingots, and the leaves of maple ingots are ventilated and dried at a temperature of 35°C-38°C, and the moisture content reaches 38%-40%;

[0080] The leaf layer is 2cm-3cm thick.

[0081] (2) Coarse stone layer laying:

[0082] The coarse stone layer includes: stones, river sand, vermiculite, zeolite;

[0083] The diameter of the stone is 3cm-4cm; the diameter of the river sand is 1.5cm-2.5cm, the diameter of the vermiculite is 0.5cm-1cm, and the diameter of the zeolite is 0.5cm-0.8cm;

[0084] Described ston...

Embodiment 2

[0139] Embodiment 2 A kind of alternate root irrigation method using zeolite salt barrier

[0140] A method for alternate root irrigation using a zeolite barrier salt layer, comprising the following steps:

[0141] 1. Laying of salt barrier layer:

[0142] The salt barrier layer is sequentially from bottom to top: leaf layer, coarse stone layer, fine stone layer, and nutrient layer;

[0143] (1) Leaf layer laying;

[0144] The leaf layer includes the leaves of maple ingots, and the leaves of maple ingots are ventilated and dried at a temperature of 35°C-38°C, and the moisture content reaches 38%-40%;

[0145] The leaf layer is 3cm-4cm thick.

[0146] (2) Coarse stone layer laying:

[0147] The coarse stone layer includes: stones, river sand, vermiculite, zeolite;

[0148] The diameter of the stone is 3cm-4cm; the diameter of the river sand is 1.5cm-2.5cm, the diameter of the vermiculite is 0.5cm-1cm, and the diameter of the zeolite is 0.5cm-0.8cm;

[0149] Described ston...

Embodiment 3

[0204] Embodiment 3 A kind of alternate root irrigation method using zeolite salt barrier

[0205] A method for alternate root irrigation using a zeolite barrier salt layer, comprising the following steps:

[0206] 1. Laying of salt barrier layer:

[0207] The salt barrier layer is sequentially from bottom to top: leaf layer, coarse stone layer, fine stone layer, and nutrient layer;

[0208] (1) Leaf layer laying;

[0209] The leaf layer includes the leaves of maple ingots, and the leaves of maple ingots are ventilated and dried at a temperature of 35°C-38°C, and the moisture content reaches 38%-40%;

[0210] The leaf layer is 4-5cm thick.

[0211] (2) Coarse stone layer laying:

[0212] The coarse stone layer includes: stones, river sand, vermiculite, zeolite;

[0213] The diameter of the stone is 3cm-4cm; the diameter of the river sand is 1.5cm-2.5cm, the diameter of the vermiculite is 0.5cm-1cm, and the diameter of the zeolite is 0.5cm-0.8cm;

[0214] Described stone,...

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Abstract

The invention provides a root-divided alternative irrigation method adopting a zeolite salt isolation layer. The method includes the step of laying the salt isolation layer. A tree leaf layer, a rubble layer, a fine stone layer and a nutrient layer are sequentially laid on the salt isolation layer from bottom to top. The invention further provides application of the root-divided alternative irrigation method adopting the zeolite salt isolation layer to planting Taxodium Zhongshanha in saline-alkali soil. By means of the root-divided alternative irrigation method, the irrigation water amount per mu is reduced by 40-50% compared with the common irrigation water amount, and salification and salt return of a planting area soil root layer are greatly limited, so the salt content in 0-60 cm of planting area soil is 0.08-0.12%. Unnecessary transpiration of plants is greatly reduced. Taking Taxodium Zhongshanha as an example, the transpiration speed of Taxodium Zhongshanha is reduced by 17-26%.

Description

technical field [0001] The invention belongs to the technical field of irrigation, and in particular relates to a root-splitting alternate irrigation method using zeolite salt barrier and its application in planting Zhongshan fir in saline-alkali land. Background technique [0002] At present, the shortage of water resources, like population, environment and energy issues, has become one of the four major crises faced by many countries and regions. It is urgent to establish a water-saving society, improve the efficiency of water resource utilization, and ensure the sustainable development of water resources. According to recent estimates, the world's total water storage is 1.4×109km3, of which fresh water is 3.5×107km3, accounting for only 2.5% of the total reserves, and my country's freshwater resources account for 8% of the world's total. The total amount of water resources in my country is relatively rich, the total amount is 2.8×1012m3, of which the surface water is 2.7×...

Claims

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Application Information

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IPC IPC(8): A01G9/10A01G17/00A01G25/06
CPCA01G17/005A01G24/00A01G25/06
Inventor 王胜
Owner SHANDONG SUNWAY LANDSCAPE TECH
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