CN102242543B - Water conservancy system for preventing and treating soil secondary salinization in greenhouses in coastal region - Google Patents

Water conservancy system for preventing and treating soil secondary salinization in greenhouses in coastal region Download PDF

Info

Publication number
CN102242543B
CN102242543B CN201010170783.XA CN201010170783A CN102242543B CN 102242543 B CN102242543 B CN 102242543B CN 201010170783 A CN201010170783 A CN 201010170783A CN 102242543 B CN102242543 B CN 102242543B
Authority
CN
China
Prior art keywords
ditches
soil
water conservancy
irrigation canals
secondary salinization
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201010170783.XA
Other languages
Chinese (zh)
Other versions
CN102242543A (en
Inventor
吕卫光
钟澂
李双喜
郑宪清
袁大伟
杨建华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Dongbao Agricultural Technology Co., Ltd.
Shanghai Academy of Agricultural Sciences
Original Assignee
Shanghai Academy of Agricultural Sciences
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Academy of Agricultural Sciences filed Critical Shanghai Academy of Agricultural Sciences
Priority to CN201010170783.XA priority Critical patent/CN102242543B/en
Publication of CN102242543A publication Critical patent/CN102242543A/en
Application granted granted Critical
Publication of CN102242543B publication Critical patent/CN102242543B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture

Landscapes

  • Sewage (AREA)

Abstract

The invention relates to a technique for preventing and treating soil salinization, and in particular relates to a technique for preventing and treating the soil salinization in greenhouses. A water conservancy system for preventing and treating the soil secondary salinization in greenhouses in a coastal region comprises channels which are arranged in all the greenhouses and rainwater collecting pipes which are arranged outside the greenhouses, wherein all the rainwater collecting pipes are connected to a main water-collecting pipe and the main water-collecting pipe is communicated with the channels, thereby feeding the rainwater into the channels. The water conservancy system for preventing and treating the soil secondary salinization in greenhouses in the coastal region can be used for conveniently and efficiently delaying or preventing and treating the soil secondary salinization of greenhouses.

Description

A kind of water conservancy system of coastal region beam-connected greenhouse soil secondary salinization control
Technical field
The present invention relates to soil salinization Prevention Technique, special, the present invention relates to a kind of beam-connected greenhouse soil secondary salinization Prevention Technique.
Background technology
Because facility cultivation can the manual control condition, thereby accelerate the growth of crop, improve the output of crop, realize that round-the-clock, the anniversary produces etc. simultaneously, facility cultivation has become a kind of important model that vegetables, melon and fruit are produced in the world at present.Yet under the long-term covering state in greenhouse or booth, water balance situation in soil is different from outdoor cultivation mode, cause in lower soil salinity and mineral nutrient with capillary rise to earth's surface, cause soil secondary salinization, the accumulation of soil salt content can cause soil liquid excessive concentration, cause crop " physiological drought ", cause that crop " lack of water arid " is the same as soil moisture content is low, physiological drought also can cause even death of crop failure.Thereby the facility soil secondary salinization has become affects the significant obstacle of the industrialized agriculture sustainable development factor.
At present, for the measure of facility beam-connected greenhouse soil secondary salinization control, have a lot, take the water conservancy measure as example, comprising: 1. storage fresh water on saline-alkali land for leaching, build and deposit precipitation on every side at booth, impel Soil Desalting; 2. washing salinity by irrigation, adopt large quota to irrigate, and rinses the leaching soil salt, and discharge irrigated area through drainage system; 3. the draining dewatering is to the suitable degree of depth, and drainage pattern commonly used has gutter drainage, closed drainage, drainage by shaft wells; 4. dig soil moved in to improve the original under large cave, bottom is established separation layer and is oozed the pipe salt discharge; 5. surface water, underground water are combined utilization etc.
Yet, more or less there are some drawbacks in these measures, storage fresh water on saline-alkali land for leaching need to be built specially and build reservoir around booth, time-consuming, occupies a large amount of land areas; During the wholesale washing salinity by irrigation, need to consume a large amount of freshwater resources; In addition, adopt and dig soil moved in to improve the original under large cave, bottom is established separation layer and is oozed the pipe salt discharge and need to spend a large amount of human and material resources, financial resources, also can't produce a desired effect.Although various methodologies can be received certain effect, plastic shed soil " accumulation of salt in the surface soil " repeatability is stronger, and tool is not long-lasting to administer and prevent and treat secondary salinization, and all difficulty or ease fundamentally delay or the soil secondary salinization problem of facility for prevention and control booth.
Summary of the invention
The present invention is intended to address the aforementioned drawbacks, and a kind of water conservancy system of coastal region beam-connected greenhouse soil secondary salinization control is provided.The secondary salinization that the present invention is convenient, effectively delay facility soil, and then the secondary salinization of control soil.
The present invention is achieved in that
A kind of water conservancy system of coastal region beam-connected greenhouse soil secondary salinization control, it comprises;
Be arranged on the irrigation canals and ditches in facility plastic greenhouse;
The fresh water collecting pipe of the collection rainwater that facility plastic greenhouse is outer, they all are connected to a total header;
The described irrigation canals and ditches of described general collection cross current are to send fresh water into irrigation canals and ditches.
The water conservancy system of described a kind of coastal region beam-connected greenhouse soil secondary salinization control, it also comprises that is arranged on the outer Buffer Pool of booth, described Buffer Pool is provided with an import that connects total header, the outlet of connection irrigation canals and ditches, and an overfall.
The water conservancy system of described a kind of coastal region beam-connected greenhouse soil secondary salinization control, the overfall place of described Buffer Pool is provided with a float valve.
The water conservancy system of described a kind of coastal region beam-connected greenhouse soil secondary salinization control, the cross section of described irrigation canals and ditches is an inverted trapezoidal that top margin is wider than base, its both sides hypotenuse is coated with sandstone plate or nonwoven, and upper opening is coated with removable cement board for walking.
The water conservancy system of described a kind of coastal region beam-connected greenhouse soil secondary salinization control, the import department of described irrigation canals and ditches is provided with a float valve.
Water conservancy remodeling method provided by the present invention is applicable to the control of soil secondary salinization in coastal region (groundwater table is more shallow) beam-connected greenhouse, water channel is excavated in utilization in booth, maintain the interior water level of water channel at 80cm ± 5cm, guarantee the source of the following soil moisture of arable layer, supplement because of the lost moisture of surface evaporation, simultaneously according to the osmosis principle, the balance of salinity in salinity and water channel water in promotion soil, in addition, arrange gap at the summer crop crops for rotation, provide wholesale fresh water to irrigate the desalinization of soil by flooding or leaching, reduce soil salt, then regularly draining.Thereby convenient, as effectively to delay facility soil secondary salinization, and then the secondary salinization of control soil.
The accompanying drawing explanation
Below, the invention will be further described by reference to the accompanying drawings:
Fig. 1 is water conservancy system schematic diagram of the present invention;
Fig. 2 is A-A sectional view in Fig. 1.
The specific embodiment
Refer to Fig. 1 and Fig. 2, the present invention is achieved in that a kind of water conservancy system of coastal region beam-connected greenhouse soil secondary salinization control, and it comprises;
Be arranged on the irrigation canals and ditches 4 in facility plastic greenhouse 1; The cross section of described irrigation canals and ditches 4 is an inverted trapezoidal that top margin is wider than base, and the both sides hypotenuse is coated with sandstone plate 42 (or nonwoven), and upper opening is coated with removable cement board 5 for walking.
The fresh water collecting pipe 21 of the collection rainwater that facility plastic greenhouse 1 is outer, they all are connected to a total header 2;
Described total header 2 is communicated with described irrigation canals and ditches 4 fresh water is sent into to irrigation canals and ditches 4.
The water conservancy system of described a kind of coastal region beam-connected greenhouse soil secondary salinization control, it also comprises that is arranged on the outer Buffer Pool 3 of booth 1, and described Buffer Pool 3 is provided with one and connects the import of total header 2, outlet and an overfall of connection irrigation canals and ditches 4.The overfall place of the import department of described irrigation canals and ditches 4 and described Buffer Pool 3 is provided with respectively a float valve 31,41.
Below a specific embodiment of the present invention:
In certain garden spot beam-connected greenhouse, according to the invention process water conservancy, transform.This garden spot groundwater level depth 1.5m ± 0.3m, 1062 millimeters of average annual rainfalls, on year approximately 133 days rain day, rainfall is abundant.
The laying of fresh water collecting pipe 21: be the structure according to beam-connected greenhouse 1, lay fresh water collecting pipe 21 at the middle part of booth 1 pocket or edge, the internal diameter 6cm of fresh water collecting pipe 21, by the connected Buffer Pool 3 of drainage rainwater to facility plastic greenhouse 1 of each fresh water collecting pipe 21.
The structure of Buffer Pool 3: do not hindering under the prerequisite of transportation goods and materials in booth, select the assembly position of rainwater collection collector 21 the bests to construct Buffer Pool, each rainwater collection collector 21 can be gathered to a total header 2 and pass into Buffer Pool 3,8 meters of Buffer Pool 3 length, wide 5 meters, high 2 meters, maximum water retention capacity is 80 cubic metres, 2 pipelines (internal diameter of the pipeline 6cm) are set, and one leads to " trapezoidal " water channel, and another root connects to overfall gap.On these 2 pipelines, a water- control valve 31,41 respectively is installed simultaneously.
" trapezoidal " water channel: in water channel (cross section), upper base is 1.8m, goes to the bottom as 1.0m, and the degree of depth is 1.5m; The sandstone plate 42 that the water channel inwall is good by water permeability is piled up, and maintains at ordinary times water level in water channel and, at 80cm ± 5cm, can do irrigation water, in the season that rainwater is few, draws fresh water and enters water channel, within every 1 month, changes water 1 time simultaneously.In the middle of crops for rotation arrangement in summer, carry out broad irrigation, carry out the desalinization of soil by flooding or leaching, then draining.The water channel top covers movably cement board 5, is convenient to walking.
Through the enforcement of 3 years, facility soil salinization trend effectively contained, in soil, salt dynamics is as shown in table 1:
The impact of table 1 water conservancy transformation on the facility plastic greenhouse soil salt
After the water conservancy transformation, in facility soil, the soluble-salt total amount drops to 0.19% year by year, and according to " soil salinization graded index " (king abides by the degree, 1993), soil belongs to slight salinization, and with this understanding, large absolutely number plant can normal growth.
To the water conservancy transformation of facility beam-connected greenhouse, simultaneously in conjunction with the relevant control of protected crop rich water, facility soil remediation and improving technology, can slow down greatly the speed of the secondary salinization of soil, finally realize effectively preventing.

Claims (3)

1. the water conservancy system of coastal region beam-connected greenhouse soil secondary salinization control is characterized in that it comprises:
Be arranged on the irrigation canals and ditches in facility plastic greenhouse;
The fresh water collecting pipe of the collection rainwater that facility plastic greenhouse is outer, they all are connected to a total header;
The described irrigation canals and ditches of described general collection cross current are to send fresh water into irrigation canals and ditches;
One is arranged on the outer Buffer Pool of booth, and described Buffer Pool is provided with one and connects the import of total header, outlet and an overfall of connection irrigation canals and ditches;
The import department of described irrigation canals and ditches is provided with a float valve.
2. the water conservancy system of a kind of coastal region beam-connected greenhouse soil secondary salinization control according to claim 1, is characterized in that, the overfall place of described Buffer Pool is provided with a float valve.
3. the water conservancy system that a kind of coastal region beam-connected greenhouse soil secondary salinization according to claim 1 is prevented and treated, it is characterized in that, the cross section of described irrigation canals and ditches is an inverted trapezoidal that top margin is wider than base, its both sides hypotenuse is coated with sandstone plate or nonwoven, and upper opening is coated with removable cement board for walking.
CN201010170783.XA 2010-05-11 2010-05-11 Water conservancy system for preventing and treating soil secondary salinization in greenhouses in coastal region Expired - Fee Related CN102242543B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010170783.XA CN102242543B (en) 2010-05-11 2010-05-11 Water conservancy system for preventing and treating soil secondary salinization in greenhouses in coastal region

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010170783.XA CN102242543B (en) 2010-05-11 2010-05-11 Water conservancy system for preventing and treating soil secondary salinization in greenhouses in coastal region

Publications (2)

Publication Number Publication Date
CN102242543A CN102242543A (en) 2011-11-16
CN102242543B true CN102242543B (en) 2014-01-01

Family

ID=44960770

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010170783.XA Expired - Fee Related CN102242543B (en) 2010-05-11 2010-05-11 Water conservancy system for preventing and treating soil secondary salinization in greenhouses in coastal region

Country Status (1)

Country Link
CN (1) CN102242543B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105766122A (en) * 2016-03-30 2016-07-20 天津市福森园林景观工程有限公司 Saline-alkali soil improvement method based on agricultural greenhouses
CN108432535B (en) * 2018-03-16 2020-06-19 浙江绿龙生态科技有限公司 Long-flowering-period hybridization breeding method for sweet osmanthus
CN116368984B (en) * 2023-04-10 2023-11-10 中国水利水电科学研究院 Method for cooperatively solving water shortage and salinization of oasis irrigation in arid region

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007148976A1 (en) * 2006-06-19 2007-12-27 Bicotec As A climate control device for a greenhouse
NL2001276C2 (en) * 2008-02-11 2009-08-12 Jg Zeeman B V Rain tank for connecting gutter to drainpipe on greenhouse roof, has walls and base joined by interlocking profiles which are held together by locking means
CN201378977Y (en) * 2009-03-02 2010-01-13 上海都市绿色工程有限公司 Rain water drainage steel post
CN101695264A (en) * 2009-10-16 2010-04-21 天津市农业资源与环境研究所 Facility for rainwater collection regulation and control, fertilization and irrigation for greenhouse cultivation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007148976A1 (en) * 2006-06-19 2007-12-27 Bicotec As A climate control device for a greenhouse
NL2001276C2 (en) * 2008-02-11 2009-08-12 Jg Zeeman B V Rain tank for connecting gutter to drainpipe on greenhouse roof, has walls and base joined by interlocking profiles which are held together by locking means
CN201378977Y (en) * 2009-03-02 2010-01-13 上海都市绿色工程有限公司 Rain water drainage steel post
CN101695264A (en) * 2009-10-16 2010-04-21 天津市农业资源与环境研究所 Facility for rainwater collection regulation and control, fertilization and irrigation for greenhouse cultivation

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
不同灌溉方式对土壤次生盐渍化的影响;王英;《中国农学通报》;20050205;第21卷(第2期);第179-180页 *
王英.不同灌溉方式对土壤次生盐渍化的影响.《中国农学通报》.2005,第21卷(第2期),第179-180页.

Also Published As

Publication number Publication date
CN102242543A (en) 2011-11-16

Similar Documents

Publication Publication Date Title
CN203775739U (en) Green planting structure for improving saline-alkali land
CN101555071B (en) Method for utilizing buffer strip to control agricultural non-point source pollution of tidal river network area of plain
CN2896859Y (en) Water-collecting infiltrating irrigator
CN105230167A (en) System for improving coastal severe saline-alkali soil and constructing vegetation
CN205030256U (en) Canopy is planted in saline and alkaline land
Debnath et al. An overview of Indian traditional irrigation systems for sustainable agricultural practices
CN107155790A (en) A kind of method that saline-alkali soil is improved by microbial fermented stalk
RU2015101197A (en) METHOD AND SYSTEM OF IRRIGATED AGRICULTURE IN THE HUMID ZONE
CN102242543B (en) Water conservancy system for preventing and treating soil secondary salinization in greenhouses in coastal region
CN102783284B (en) Method for treating saline-alkali soil through dialysis type high platform ladder grading groove ridge
CN112825639A (en) Coastal saline and alkaline land greening system based on landscaping waste utilization
Mishra et al. Water management and conservation innovations for doubling farmers’ income
CN210459442U (en) Sponge urban greening road
CN108012609A (en) A kind of salt-soda soil covers greening method
CN209473216U (en) A kind of saline land greening system
CN104790518A (en) Utilizing method of saline-alkali soil surface water
CN215991869U (en) Coastal saline and alkaline land greening system based on landscaping waste utilization
CN201567556U (en) Daylight greenhouse concealed pipe salt discharge device
CN109319933A (en) A kind of farmland water pollution control and reclaiming system and its operating method
CN210275048U (en) Change ecological infiltration engineering system of ditch of soil saline and alkaline
CN103380714B (en) Nearly root returns infiltrating irrigation water-saving irrigation method
CN103112954A (en) Method for prevention and control of non-point source pollution and cyclic utilization of resources of tea garden and system thereof
CN105432178A (en) Salt elimination and construction method of seriously saline-alkali land
CN204408876U (en) A kind of saline land filter pipe net desalting system
CN110063166B (en) Water storage cellar greening system for sponge city roadside and using method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: SHANGHAI DONGBAO AGRICULTURAL TECHNOLOGY CO., LTD.

Effective date: 20140430

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20140430

Address after: 201106 Shanghai city Minhang District North Zhai Road No. 2901

Patentee after: Shanghai Academy of Agricultural Sciences

Patentee after: Shanghai Dongbao Agricultural Technology Co., Ltd.

Address before: 201106 Shanghai city Minhang District North Zhai Road No. 2901

Patentee before: Shanghai Academy of Agricultural Sciences

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140101

Termination date: 20160511