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Method for original soil cultivation of facility grapes in coastal heavy saline-alkali soil

A technology of protected cultivation and saline-alkali land, which is applied in the field of coastal heavy saline-alkali land grape cultivation in original soil, can solve the problems of large-area application difficulties, poor matrix buffer performance, and difficult control of water and fertilizer integration, and achieve the effect of efficient use of land safety

Pending Publication Date: 2019-11-05
COASTAL AGRI RES INST HEBEI ACAD OF AGRI & FORESTRY SCI +1
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Problems solved by technology

[0004] Grape, as one of the main fruits that people love, is gradually popular in facility cultivation due to its high benefits. Due to the influence of salinity, it has been developing slowly in coastal saline-alkali areas. Or substrate-limited root cultivation, but there are problems such as high cost of soil replacement, serious soil return to salt, poor buffer performance of substrate type, difficult control of water and fertilizer integration, etc., and difficulty in large-scale application

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  • Method for original soil cultivation of facility grapes in coastal heavy saline-alkali soil
  • Method for original soil cultivation of facility grapes in coastal heavy saline-alkali soil
  • Method for original soil cultivation of facility grapes in coastal heavy saline-alkali soil

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Embodiment

[0026] From 2017 to 2018, experiments were carried out in Tianxu Agricultural Ecological Park, an ecological city in Caofeidian District, Tangshan City. The soil in this area belongs to coastal saline soil, and the soil salinity is mainly sodium chloride. The average salt content of 1 meter of soil is 14.5g / kg, pH7.83, soil bulk density 1.65g / cm 3 , the buried depth of groundwater is 1.5m, and the original soil is the return beach of the prawn breeding pond.

[0027] On April 5, 2017, the planning of the solar greenhouse and the construction of the salt drainage and soil improvement system were carried out. The planned shed was east-west, 70m long, 8m wide, and the west end of the shed was the entrance door.

[0028] Before building the shed, firstly design the vine planting row, excavate the fixed-value ditch along the planting row and arrange the salt drainage facilities. The distance from the west wall of the shed is 2.0m, and the ditch is opened from west to east. The ini...

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Abstract

The invention discloses a method for facility cultivation of grapes in coastal heavy saline-alkali soil. According to the characteristics of soil in coastal regions and the characteristics of shallowlayer transverse growth of grapevine main root systems and by means of original saline-alkali soil fertilization improvement, bottom layer isolation, closed conduit salt removal, dropper salt reduction and other composite water-salt regulation technologies, quick salt reduction of the coastal heavy saline-alkali soil within 3-5 days can be achieved, rhizosphere soil can be kept free of salt regain, grape production in original soil of saline-alkali wasteland with the soil salt content of about 15 g / kg is achieved, a new way is provided for efficient and modern agriculture development of coastal saline-alkali areas, and the method has important significance in efficient utilization of saline-alkali soil, sustainable development of regional agriculture and land security.

Description

technical field [0001] The invention relates to the technical field of improvement and utilization of saline-alkali land, in particular to a method for cultivating grapes in coastal heavy saline-alkali land. Background technique [0002] Soil salinization is a worldwide problem. The total area of ​​saline soil in China is about 36 million hm 2 , mainly distributed in the northwest, north, northeast and coastal areas. As an important part of saline-alkali land, coastal saline-alkali land is mainly distributed in northern Jiangsu and Bohai Bay, with an area of ​​1 million hm2 2 Left and right, due to the influence of seawater erosion and soil parent material, the soil salinity is mainly sodium chloride, the salinization is serious, and the soil is heavy and aerated, resulting in low soil utilization and output, and efficient agricultural development. lag. [0003] As an economic uplift belt, the Binhai District has a large population and rapid urban development, which bring...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/02A01B79/02
CPCA01B79/02A01G17/02
Inventor 张国新陈猛姚玉涛丁守鹏梁景军陈玉忠
Owner COASTAL AGRI RES INST HEBEI ACAD OF AGRI & FORESTRY SCI
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