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Mode of winter jujube brackish water microspray irrigation capable of relieving soil salinization

A micro-sprinkler irrigation and salinization technology, applied in watering devices, climate change adaptation, horticulture, etc., can solve salinization, the yield and quality of winter jujube is difficult, and there are few reports on the micro-sprinkler irrigation system, mode or method of winter jujube, etc. question

Inactive Publication Date: 2016-11-09
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the irrigation mode of winter jujube in most areas of Zhanhua is difficult to better achieve the purpose of ensuring the yield and quality of winter jujube, and the salinization is serious
[0008] Although micro-sprinkler irrigation technology has been developed for a long time, effective micro-sprinkler irrigation models, systems or methods have been summarized for different crops in different regions, but there are few reports on micro-sprinkler irrigation systems, models or methods for winter jujube

Method used

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  • Mode of winter jujube brackish water microspray irrigation capable of relieving soil salinization
  • Mode of winter jujube brackish water microspray irrigation capable of relieving soil salinization
  • Mode of winter jujube brackish water microspray irrigation capable of relieving soil salinization

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] In Xiawa Town, Zhanhua District, Shandong Province, a test area for brackish water and micro-spray irrigation of winter jujube was established, with an area of ​​100 mu. The test area is the main production area of ​​Zhanhua Dongzao, and there are various saline soils with different soil structures of sand and clay and different degrees of salinization. Nearly 60% of the total soil area in this area is saline soil, and the phreatic level in the distribution area is mostly 1.5-2.0m, the salinity is 10-30g / L, and the local area is greater than 30g / L, and some areas can reach more than 100g / L. Saline soil contains a large amount of soluble salts, which can strongly inhibit or poison plant growth.

[0035] The present embodiment adopts the micro-sprinkling of 2.5-3.0g / L brackish water to irrigate winter jujube trees, and the irrigation system is as follows:

[0036] (1) During the germination-expansion leaf growth period from April 1st to May 1st, the amount of micro-sprin...

Embodiment 2

[0048] Implement the following micro-sprinkling irrigation system in the same brackish water micro-sprinkling irrigation winter jujube test area as in Example 1.

[0049] The present embodiment adopts the micro-sprinkling of 2.5-3.0g / L brackish water to irrigate winter jujube trees, and the irrigation system is as follows:

[0050] (1) During the germination-expansion leaf growth period from April 1st to May 1st, the amount of micro-sprinkler irrigation was 35m 3 / mu;

[0051] (2) During the inflorescence growth period from May 1st to June 1st, the amount of micro-sprinkler irrigation is 35m 3 / mu;

[0052] (3) During the period from June 1st to July 15th, the amount of micro-sprinkler irrigation is 35m 3 / mu;

[0053] (4) During the end flower growth period from July 15th to August 15th, the amount of micro-sprinkler irrigation is 30m 3 / mu;

[0054] (5) During the hard core growth period from August 15th to September 15th, the amount of micro-sprinkler irrigation is 30...

Embodiment 3

[0063] On the basis of the micro-sprinkler irrigation system in Example 2, the inventor added 18 ppm salicylic acid and 0.8% zinc sulfate to the brackish water micro-spray irrigation solution.

[0064] The results were similar to those in Example 2. Under the micro-sprinkler irrigation mode, the salt content of the surface soil was significantly reduced, and the degree of soil salinization was alleviated.

[0065] Under the micro-sprinkler irrigation mode, the output of each jujube tree reaches 39kg, the soluble solid content of winter jujube reaches 28%, the single fruit weight reaches 20g, and the edible rate reaches 97%. Table 3 shows the comparison of the effects of traditional ground irrigation and micro-sprinkler irrigation in the same jujube orchard.

[0066] Table 3 Effect comparison of Dongzao traditional surface irrigation and micro-sprinkler irrigation in the test area in 2015

[0067] Winter jujube irrigation mode

[0068] It can be seen from the above t...

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Abstract

The invention relates to a mode of winter jujube brackish water microspray irrigation capable of relieving soil salinization. According to the mode, brackish water with a concentration not exceeding 3.0 g / L is adopted to perform spray irrigation on winter jujube trees; in a main growing period (April to October) of the winter jujube trees, spray irrigation is performed on the winter jujube trees every month, and the irrigation amount is 25-35 m<3> / mu; When it enters into a rainy season in Zhanhua, and when the amount of monthly total precipitation exceeds 160 mm, the irrigation amount can be reduced or no irrigation is performed. Soil samples in a microspray area are collected. Experimental data indicates that in irrigation leaching in different months, soil salt migrates downwards along with moisture, and the salt content of surface soil descends. At least one of the following technical effects can be achieved through the irrigation mode: fresh water resources are saved; soil salinization is relieved and soil is improved; local winter jujube production is guided, and the winter jujube yield and quality are improved.

Description

technical field [0001] The invention relates to the technical field of brackish water irrigation, in particular to the irrigation mode of winter jujube brackish water micro-spray irrigation. This irrigation mode has the advantages of saving fresh water resources, alleviating soil salinization and improving the yield and quality of winter jujube. Background technique [0002] In the 1930s, Israeli water engineer Simcha Blass went to meet friends in the desert. By chance, he found that one of the trees in a row was obviously taller than the others, and appeared more vigorous. Sensitive professionally, he excavated the ground around the tree and found a domestic water pipe running along the row of trees with a weak drip near the tree. It is this very weak hourglass that nourishes the taller tree. Viewed from the ground, the area of ​​the hourglass is just a small patch, but a relatively large onion-shaped wet zone forms below the ground. Since then, Simcha Blass has devoted ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G25/00A01G17/00A01C21/00
CPCA01C21/005A01G17/005A01G25/00Y02A40/22
Inventor 徐征和赵志强刘精凯王天宇王坤王江婷庞桂斌
Owner UNIV OF JINAN