CN106069597A - A kind of Saline-alkaline Soils of Yellow River Delta water-saving irrigation new technology - Google Patents
A kind of Saline-alkaline Soils of Yellow River Delta water-saving irrigation new technology Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
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- Y—GENERAL 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
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- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
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Abstract
The present invention relates to a kind of Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method, belong to hydrotechnics field.Undesirable for current Delta Region of The Yellow River Saline-alkali Field Control, the present situation that freshwater resources lack, the present invention provides a kind of Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method, straw mixture is carried out anaerobic fermentation by the healthy and free from worry trichoderma of use by the present invention and prepares straw grog, use drip irrigation appliance that soil is carried out drip irrigation after being mixed with salt affected soil by straw grog, experiment confirms that water-saving irrigation technique of the present invention not only makes soil have the strongest water retention property, and PH and the salt content of soil can be obviously improved, thus it is obviously improved the character of soil.
Description
Technical field
The present invention relates to a kind of Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method, belong to hydrotechnics field.
Background technology
The salinization of soil of soil has become as a global difficult problem.The salinization and alkalization of global soil is constantly aggravated, to the mankind
Survival and development bring huge challenge.According to statistics, the salinization of soil in the whole world arrives with annual 1000000 hm2
The speed of 1500000 hm2 increases rapidly.To this end, substantial amounts of research work has been done in the salinization of soil that China is preventing and treating soil.Exploitation
Salt-soda soil is possible not only to bring more land under cultivation, and solves population food problem, additionally it is possible to expands green coverage, improves our ecology
Environment, improves the quality of living.
Delta Region of The Yellow River, physical features is low flat, and level of ground water is high.Warm temperate zone monsoon climate, winter-spring season arid, drops summer and autumn
Water is more, arid season, evaporates vigorous, earth's surface salification, forms salinization of soil problem；The innovation of agricultural production is from time upper body
Seasonality and periodicity, the region spatially of agricultural production are showed.The irrigation technique in salt-soda soil decides salt-soda soil
The key factor of the yield of the crops on improved effect and salt-soda soil.
The method that traditional large area water is irrigated not only wastes water resource, and it is saline and alkaline effectively to prevent and treat soil
Change.Being not difficult to find out from the definition in salt-soda soil, the soil salt in salt-soda soil is to be risen by soil capillarity and be gathered in
Soil surface.If it is intended to soil goes salinization of soil get rid of the salinity being more than in soil the most exactly, regulation salinity is at soil
The distribution of vertical section, prevents salinity persistent accumulation in soil.Biography must be abandoned when therefore salt-soda soil being irrigated
The large area of system irrigates the method pressing salt.On the one hand this method wastes substantial amounts of water resource, on the other hand is also easy to lift
High water level, has increased the weight of the possibility of the salinization of soil further.Thus, carry out controlling of big hydraulic pressure salt in the area of inherently hydropenia
Reason method is tantamount to " drinking poison to quench thirst ".So, by the development of science and technology, develop a kind of water-saving irrigation technique being applicable to salt-soda soil
Have become as the key point of the agricultural production and income of this area.Based on this, the present invention provides kind of a Saline-alkaline Soils of Yellow River Delta joint
Water irrigates new method.
Water-saving irrigation, as the term suggests using high-tech strength to be filled crops etc. by certain means exactly
Irrigate so that it is while growth, reach water-saving purpose.In early days, Israel just development drip irrigation and sprinkler irrigation technique, it is used for saving
About type agricultural production, achieves remarkable result.Some areas of China, such as the ground such as Gansu, Ningxia and Xinjiang of the northwestward, by
In lacking water source and having substantial amounts of salt-soda soil, fit through water-saving irrigation and carry out developing agricultural water conservancy, reach real resource consumption
The effect coordinated mutually with economic development.
Chinese patent application 201610019368.1 discloses a kind of farmland water-saving irrigation method, comprise the steps: with
What tradition was fired builds a house with arc tile is main material, and by fissure of displacement make-up about two panels watt, level is layed in plough horizon
In, watt being connected with the docking of watt mouth, form water flowing, infiltration watt road, around Bing Wa road, one layer of broken straw of place mat are careless；An infiltration watt road is completed
After, earthing wholely, be cambered surface ridging with watt road for center line, harrowed by ridge body real, formation arcuation alley, covering with plastic film on ridge, and will
Mulch film stretches by soil pressure tight；Build water inlet and the air vent in watt road, air vent with the blocking of Fructus Citri tangerinae grass or is isolated with fly net, and
Water inlet is connected with water-supply-pipe or a water channel, it is possible to artificial recharge.Chinese patent application 201510100522.3 relates to one
The water-saving irrigation method of the quick Leaching and desalinization of strand barged-in fill, comprises the steps: to carry out soil by treating Leaching and desalinization district
Salinity is investigated, and determines barged-in fill total salt quantity, according to ＜ 0.3 times and 0.6 times of barged-in fill total salt quantity of ＞ salinity to neighbouring can profit
Salt water water quality carry out screening, proportioning, be configured to salt water that salinity is 0.3～0.6 times of soil total salt amount as irrigation water,
When neighbouring available each 0.3 times of soil total salt amount of the equal ＜ of water-mineralizing degree, sort by salinity size, select salinity maximum
Water quality water source as irrigation water, irrigate, stop to during 1.0-1.15 times that water outlet salt concentration is irrigation water salinity, fresh water
Drip washing, terminates when being less than 1.0dS/m to water outlet salt concentration.Above two method the most simultaneously to the water retention of soil and
Pressure salt aspect realizes good effect.
Summary of the invention
Undesirable for current Delta Region of The Yellow River Saline-alkali Field Control, that freshwater resources lack present situation, the present invention provides
A kind of Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method, by using healthy and free from worry trichoderma to be carried out by straw mixture in the present invention
Anaerobic fermentation prepares straw grog, and straw grog not only has the strongest water retention property, and can be obviously improved the PH of soil
And salt content, thus it is obviously improved the character of soil.
The present invention is achieved through the following technical solutions above-mentioned technical problem:
A kind of Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method, it comprises the steps:
1) salt-soda soil sampling and measuring: the pH in sampling and measuring salt-soda soil and salt content in the pre-salt-soda soil irrigated；
2) straw ripening: wheat stalk and broomcorn straw are ground into pulverizer respectively granule or the length of a diameter of 2-5cm
For the strip of 3-6cm, after mixing according to the proportioning that weight proportion is 1:0.5-2, it is placed in anaerobic closed environment, to mixture
Middle addition tap water makes the water content of mixture between 5%-8%, is added thereto to the healthy and free from worry trichoderma seed of 10%-12%
Liquid；Stir and use after after fermentation 72-96 hour pH adjusting agent to adjust the pH of straw grog between 3.5-4.6, obtain straw
Stalk grog, standby；
3) soil property mixing: by step 2) the straw grog that obtains mixs homogeneously with target alkaline land soil, according to salt-soda soil sampling
PH and salt content determine the usage amount of straw grog so that the pH of mixed soil is below 8.5, and salt content is less than
0.15 S/m；Rotary cultivator is utilized to plough deeply salt-soda soil 20-40cm after mixing；
4) drip irrigation appliance is installed and drip irrigation: install drip irrigation pipe, micro-nozzle and removable irrigation sprinkler, and profit after farming on salt-soda soil
With drip irrigation pipe, micro-nozzle and removable irrigation sprinkler, salt-soda soil is irrigated, connect with the irrigation volume of 40-60 cubic meter every day/mu
Continuous uninterrupted irrigation 3-5 days；
Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method as above, described sampling method is that checkerboard type is layouted method, profit
Using artificial earth boring auger, by 20cm spacing stratified sampling, sampling depth is planting soil layer thickness, generally 1.0-1.2m.
In Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method described above, described wheat stalk and broomcorn straw
Weight proportion is preferably 1:1.5, it is found by the applicant that the moisture-retaining capacity of the straw grog obtained by the case of said ratio and pressure
Salt ability is best；
In Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method described above, after mixing, use the fermentation duration of healthy and free from worry trichoderma
It is preferably 84 hours；Described pH adjusting agent is acid regulator, the one or many in sulphuric acid, hydrochloric acid, phosphoric acid, nitric acid
Kind；It is found by the applicant that obtain at above-mentioned fermentation duration, not only there is good moisture-retaining capacity and pressure salt ability, and after-ripening of fermenting
The component that affects in material is easier to absorbed by crops.
In Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method described above, the salt-soda soil in described step 3) is ploughed deeply deeply
Degree is 30cm.
In Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method described above, described drip irrigation amount is every day 50 cubes
Rice/mu, the drip irrigation time is 4 days.
By use healthy and free from worry trichoderma, straw mixture being carried out anaerobic fermentation in the present invention and prepare straw grog, straw is ripe
Material not only has the strongest water retention property, and can be obviously improved PH and the salt content of soil, thus is obviously improved soil
The character of earth.What it obtained has the beneficial effect that:
The embodiment of the present invention 6 shows, after Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method of the present invention is whether irrigated
After 3d still irrigates, the effect assessment aspect of 5d is superior to comparative example 1 and comparative example 2, and this is mainly manifested in the present invention
The soil water-retaining rate of described water-saving irrigation method is higher, and the pH after irrigation is lower, and salt content is lower.It is in These parameters side
Face all has the difference of significance compared with comparative example or comparative example 2.Longitudinal number after irrigating 3d and irrigating 5d
According to contrast it can be seen that water-saving irrigation technique moisture loss of the present invention is less, the accumulation of salt in the surface soil of soil and the accumulation of salt in the surface soil are slower, more have
It is beneficial to growth and the improvement of Soil structure of crop.
Detailed description of the invention
The present invention is expanded on further below in conjunction with specific embodiment.Should be understood that these embodiments are merely to illustrate this
Bright rather than limit the scope of the present invention.In addition, it is to be understood that after having read the content that the present invention lectures, art technology
The present invention can be made various changes or modifications by personnel, and these equivalent form of values fall within the application appended claims equally and limited
Fixed scope.In following embodiment, described sampling method is that checkerboard type is layouted method, comprises the steps: to utilize artificial earth boring auger
By 20cm spacing stratified sampling, sampling depth is planting soil layer thickness, and the degree of depth is 1.0-1.2m.Described pH adjusting agent is acid
Property regulator, one or more in sulphuric acid, hydrochloric acid, phosphoric acid, nitric acid.
1 one kinds of Saline-alkaline Soils of Yellow River Delta water-saving irrigation new methods of embodiment
A kind of Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method, it comprises the steps:
1) salt-soda soil sampling and measuring: the pH in sampling and measuring salt-soda soil and salt content in the pre-salt-soda soil irrigated；
2) straw ripening: wheat stalk and broomcorn straw are ground into the granule of a diameter of 2cm or a length of with pulverizer respectively
The strip of 3cm, according to after the proportioning mixing that weight proportion is 1:0.5, it is placed in anaerobic closed environment, adds in mixture
Tap water makes the water content of mixture be 5%, is added thereto to the healthy and free from worry trichoderma seed liquor of 10%；Stir after fermentation 72
The pH using pH adjusting agent to adjust straw grog after hour is 3.5, obtains straw grog, standby；
3) soil property mixing: by step 2) the straw grog that obtains mixs homogeneously with target alkaline land soil, according to salt-soda soil sampling
PH and salt content determine the usage amount of straw grog so that the pH of mixed soil is below 8.5, and salt content is less than
0.15 S/m；Rotary cultivator is utilized to plough deeply salt-soda soil 20cm after mixing；
4) drip irrigation appliance is installed and drip irrigation: install drip irrigation pipe, micro-nozzle and removable irrigation sprinkler, and profit after farming on salt-soda soil
With drip irrigation pipe, micro-nozzle and removable irrigation sprinkler, salt-soda soil is irrigated, continuous the most not with the irrigation volume of cubic metre/mu every day 40
It is interrupted and irrigates 3 days.
2 one kinds of Saline-alkaline Soils of Yellow River Delta water-saving irrigation new methods of embodiment
A kind of Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method, it comprises the steps:
1) salt-soda soil sampling and measuring: the pH in sampling and measuring salt-soda soil and salt content in the pre-salt-soda soil irrigated；
2) straw ripening: wheat stalk and broomcorn straw are ground into the granule of a diameter of 5cm or a length of with pulverizer respectively
The strip of 6cm, according to after the proportioning mixing that weight proportion is 1:2, it is placed in anaerobic closed environment, adds certainly in mixture
Water makes the water content of mixture be 8%, is added thereto to the healthy and free from worry trichoderma seed liquor of 12%；The after fermentation 96 that stirs is little
Use the pH of pH adjusting agent adjustment straw grog 4.6 time after, obtain straw grog, standby；
3) soil property mixing: by step 2) the straw grog that obtains mixs homogeneously with target alkaline land soil, according to salt-soda soil sampling
PH and salt content determine the usage amount of straw grog so that the pH of mixed soil is below 8.5, and salt content is less than
0.15 S/m；Rotary cultivator is utilized to plough deeply salt-soda soil 40cm after mixing；
4) drip irrigation appliance is installed and drip irrigation: install drip irrigation pipe, micro-nozzle and removable irrigation sprinkler, and profit after farming on salt-soda soil
With drip irrigation pipe, micro-nozzle and removable irrigation sprinkler, salt-soda soil is irrigated, continuous the most not with the irrigation volume of cubic metre/mu every day 60
It is interrupted and irrigates 5 days.
3 one kinds of Saline-alkaline Soils of Yellow River Delta water-saving irrigation new methods of embodiment
A kind of Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method, it comprises the steps:
1) salt-soda soil sampling and measuring: the pH in sampling and measuring salt-soda soil and salt content in the pre-salt-soda soil irrigated；
2) straw ripening: wheat stalk and broomcorn straw are ground into the granule of a diameter of 4cm or a length of with pulverizer respectively
The strip of 5cm, according to after the proportioning mixing that weight proportion is 1:1.5, it is placed in anaerobic closed environment, adds in mixture
Tap water makes the water content of mixture be 7%, is added thereto to the healthy and free from worry trichoderma seed liquor of 11%；Stir after fermentation 84
Use the pH of pH adjusting agent adjustment straw grog 4.0 after hour, obtain straw grog, standby；
3) soil property mixing: by step 2) the straw grog that obtains mixs homogeneously with target alkaline land soil, according to salt-soda soil sampling
PH and salt content determine the usage amount of straw grog so that the pH of mixed soil is below 8.5, and salt content is less than
0.15 S/m；Rotary cultivator is utilized to plough deeply salt-soda soil 30cm after mixing；
4) drip irrigation appliance is installed and drip irrigation: install drip irrigation pipe, micro-nozzle and removable irrigation sprinkler, and profit after farming on salt-soda soil
With drip irrigation pipe, micro-nozzle and removable irrigation sprinkler, salt-soda soil is irrigated, continuous the most not with the irrigation volume of cubic metre/mu every day 50
It is interrupted and irrigates 4 days.
4 one kinds of Saline-alkaline Soils of Yellow River Delta water-saving irrigation new methods of embodiment
A kind of Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method, it comprises the steps:
1) salt-soda soil sampling and measuring: the pH in sampling and measuring salt-soda soil and salt content in the pre-salt-soda soil irrigated；
2) straw ripening: wheat stalk and broomcorn straw are ground into the granule of a diameter of 2cm or a length of with pulverizer respectively
The strip of 6cm, according to after the proportioning mixing that weight proportion is 1:0.5, it is placed in anaerobic closed environment, adds in mixture
Tap water makes the water content of mixture 8%, is added thereto to the healthy and free from worry trichoderma seed liquor of 10%；Stir after fermentation 72
Use the pH of pH adjusting agent adjustment straw grog 4.6 after hour, obtain straw grog, standby；
3) soil property mixing: by step 2) the straw grog that obtains mixs homogeneously with target alkaline land soil, according to salt-soda soil sampling
PH and salt content determine the usage amount of straw grog so that the pH of mixed soil is below 8.5, and salt content is less than
0.15 S/m；Rotary cultivator is utilized to plough deeply salt-soda soil 20cm after mixing；
4) drip irrigation appliance is installed and drip irrigation: install drip irrigation pipe, micro-nozzle and removable irrigation sprinkler, and profit after farming on salt-soda soil
With drip irrigation pipe, micro-nozzle and removable irrigation sprinkler, salt-soda soil is irrigated, continuous the most not with the irrigation volume of cubic metre/mu every day 40
It is interrupted and irrigates 5 days.
5 one kinds of Saline-alkaline Soils of Yellow River Delta water-saving irrigation new methods of embodiment
A kind of Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method, it comprises the steps:
1) salt-soda soil sampling and measuring: the pH in sampling and measuring salt-soda soil and salt content in the pre-salt-soda soil irrigated；
2) straw ripening: wheat stalk and broomcorn straw are ground into the granule of a diameter of 5cm or a length of with pulverizer respectively
The strip of 3cm, according to after the proportioning mixing that weight proportion is 1:2, it is placed in anaerobic closed environment, adds certainly in mixture
Water makes the water content of mixture 5%, is added thereto to the healthy and free from worry trichoderma seed liquor of 12%；Stir after fermentation 72-
Use the pH of pH adjusting agent adjustment straw grog 3.5 after 96 hours, obtain straw grog, standby；
3) soil property mixing: by step 2) the straw grog that obtains mixs homogeneously with target alkaline land soil, according to salt-soda soil sampling
PH and salt content determine the usage amount of straw grog so that the pH of mixed soil is below 8.5, and salt content is less than
0.15 S/m；Rotary cultivator is utilized to plough deeply salt-soda soil 40cm after mixing；
4) drip irrigation appliance is installed and drip irrigation: install drip irrigation pipe, micro-nozzle and removable irrigation sprinkler, and profit after farming on salt-soda soil
With drip irrigation pipe, micro-nozzle and removable irrigation sprinkler, salt-soda soil is irrigated, continuous the most not with the irrigation volume of cubic metre/mu every day 60
It is interrupted and irrigates 3 days.
A kind of strand quick Leaching and desalinization of barged-in fill disclosed in comparative example 1 patent application 201510100522.3
Water-saving irrigation method
A kind of salinity > water-saving irrigation method of the geavy salt quick Leaching and desalinization of alkali barged-in fill of 10g/kg, pH >=8.0, including such as
Lower step:
(1), treat that the investigation in Leaching and desalinization district is sampled, carry out planting soil layer soil total salt amount and pH analyzes and measures；(2), pouring is treated
In salt elution district and the subsoil water of periphery and all kinds of available surface water sampling, measure water-mineralizing degree；(3), configuration is irrigated
Salt water: 1. when in subsoil water and surface water, when having a kind of water-mineralizing degree in 0.3～0.6 times of soil total salt weight range, really
This water quality water source fixed is as irrigating salt water；When having multiple-quality water salinity in 0.3～0.6 times of soil total salt weight range
Time, sorting by salinity size, the water quality water source of minimum salinity is as irrigating salt water；2. when subsoil water and surface water are not deposited
When the water quality that salinity is 0.3～0.6 times of soil total salt amount: if A. each water-mineralizing 0.3 times of soil total salt amount of the equal ＜ of degree,
Sort by salinity size, select the water quality water source of salinity maximum as irrigating salt water；B., water quality exists ＜ 0.3 simultaneously
Times, the water quality of 0.6 times of soil total salt amount of ＞ time: 0.3 times of soil total salt amount of ＜ only have one, determine that this water quality is as irrigation
Salt water donor, has multiple, sorts by salinity size, and salt water donor is irrigated in the conduct selecting salinity maximum；0.6 times of soil of ＞
Only one of total salt quantity, determines that this water quality, as irrigating salt water donor, has multiple, sorts by salinity size, select ore deposit
The conduct irrigation salt water donor that change degree is minimum；Two classes of ＜ 0.3 times and 0.6 times of soil total salt amount of ＞ are irrigated salt water donor,
In distribution reservoir, by appropriate volume ratio, it is configured to the irrigation salt water that concentration is 0.3～0.6 times of soil total salt amount；If the most each water quality
0.6 times of soil total salt amount of the equal ＞ of salinity, sorts by salinity size, and the water quality water source selecting salinity minimum is salty as irrigating
Water donor, in distribution reservoir, with fresh water by appropriate volume ratio, the irrigation salt water of 0.3～0.6 times of soil total salt amount of preparation；(4)、
It is weir, height of weir 8-15cm, weir width 10-20cm by the length and width of 3-10m in treating Leaching and desalinization district；(5), irrigation with saline water, every 3-5
Hour collect, measure plantation soil layer leachates salt concentration；(6), when leachates salt concentration be irrigate salt water salinity
1.0-1.15 time again, stop irrigation with saline water；(7), fresh water irrigation, within every 3-5 hour, collect, measure plantation soil layer leachates salinity
Concentration；(8), as leachates salt concentration ＜ 1.0dS/m, drip washing terminates.
The farmland water-saving irrigation method described in embodiment 1 of comparative example 2 patent application 201610019368.1
A kind of farmland water-saving irrigation method, comprises the steps:
S1, with building a house of firing of tradition with arc tile as main material, by fissure of displacement make-up about two panels watt, level is layed in soil
In earth arable layer, watt being connected with the docking of watt mouth, form water flowing, seep water watt road, watt road bottom is away from earth's surface degree of depth 10-20cm, specifically
Depending on the degree of depth can be according to long-term cropping: annual its watt of road of shallow root system crop should be more shallow, and perennial deep root system crop should be more deeply.And
Broken straw grass thick for one layer of 3cm of place mat around watt road, to increase Soil ventilation and permeability performance；
S2, infiltration be after a watt road completes, earthing wholely, Zheng Diyiwa road be center line be cambered surface ridging, by real for body rake in ridge, form height
20cm, the alley of wide 50-70cm, it is the mulch film of 80-100cm that ridge covers fabric width, stretches mulch film by soil pressure tight；
S3, being laid to the square washing basin water filling port as watt road in slightly above watt road with several pieces of bricks, the other end is air vent, should
Exceeding watt face, a road 20cm, overflowing in case irrigating Shi Wa road water, air vent with hay blocking or is isolated, with insect protected Mus with fly net
Enter, and water inlet is connected with water-supply-pipe or a water channel, it is possible to artificial recharge carries out there is limited irrigation.Watt road laid is continuous
Within length is maintained at 30m, the distance between Liang Paiwa road is 100cm, can require to determine according to the line-spacing of Different Crop.
The irrigation effect evaluation of embodiment 6 Saline-alkaline Soils of Yellow River Delta of the present invention water-saving irrigation new method
Use respectively described in the water-saving irrigation method described in embodiment 1-embodiment 5 and comparative example 1 and comparative example 2
Method salt-soda soil, Delta Region of The Yellow River is irrigated, described salt-soda soil on pH and salinity without the difference of significance
Different.Measuring the soil water-retaining rate irrigating 3d and 6d respectively, pH and salt content, its measurement result is as shown in table 1.
Table 1 present invention irrigates the irrigation effect evaluation of new method
Compared with comparative example 1,#P ＜ 0.05,##P ＜ 0.01；Compared with comparative example 2,*P ＜ 0.05,**P ＜ 0.01
As can be seen from Table 1, after Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method of the present invention is whether irrigated, 3d is also
Being that after irrigating, the effect assessment aspect of 5d is superior to comparative example 1 and comparative example 2, this is mainly manifested in of the present invention
The soil water-retaining rate of water-saving irrigation method higher, the pH after irrigation is lower, and salt content is lower.It is equal in terms of These parameters
There is compared with comparative example or comparative example 2 difference of significance.Longitudinal data pair after irrigating 3d and irrigating 5d
Ratio is it can be seen that water-saving irrigation technique moisture loss of the present invention is less, and the accumulation of salt in the surface soil of soil and the accumulation of salt in the surface soil are slower, are more beneficial for
The growth of crop and the improvement of Soil structure.
Claims (8)
1. a Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method, it comprises the steps:
1) salt-soda soil sampling and measuring: the pH in sampling and measuring salt-soda soil and salt content in the pre-salt-soda soil irrigated；
2) straw ripening: wheat stalk and broomcorn straw are ground into pulverizer respectively granule or the length of a diameter of 2-5cm
For the strip of 3-6cm, after mixing according to the proportioning that weight proportion is 1:0.5-2, it is placed in anaerobic closed environment, to mixture
Middle addition tap water makes the water content of mixture between 5%-8%, is added thereto to the healthy and free from worry trichoderma seed of 10%-12%
Liquid；Stir and use after after fermentation 72-96 hour pH adjusting agent to adjust the pH of straw grog between 3.5-4.6, obtain straw
Stalk grog, standby；
3) soil property mixing: by step 2) the straw grog that obtains mixs homogeneously with target alkaline land soil, according to salt-soda soil sampling
PH and salt content determine the usage amount of straw grog so that the pH of mixed soil is below 8.5, and salt content is less than
0.15 S/m；Rotary cultivator is utilized to plough deeply salt-soda soil 20-40cm after mixing；
4) drip irrigation appliance is installed and drip irrigation: install drip irrigation pipe, micro-nozzle and removable irrigation sprinkler, and profit after farming on salt-soda soil
With drip irrigation pipe, micro-nozzle and removable irrigation sprinkler, salt-soda soil is irrigated, connect with the irrigation volume of 40-60 cubic meter every day/mu
Continuous uninterrupted irrigation 3-5 days.
Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method the most according to claim 1, it is characterised in that described sampling
Method is that checkerboard type is layouted method.
Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method the most according to claim 2, it is characterised in that described chessboard
The formula method of layouting comprises the steps: to utilize artificial earth boring auger by 20cm spacing stratified sampling, and sampling depth is planting soil layer thickness,
The degree of depth is 1.0-1.2m.
Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method the most according to claim 1, it is characterised in that described Semen Tritici aestivi
The weight proportion of straw and broomcorn straw is 1:1.5.
Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method the most according to claim 1, it is characterised in that use after mixing
During the fermentation of healthy and free from worry trichoderma a length of 84 hours.
Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method the most according to claim 1, it is characterised in that described pH adjusts
Joint agent is acid regulator, one or more in sulphuric acid, hydrochloric acid, phosphoric acid, nitric acid.
Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method the most according to claim 1, it is characterised in that described step 3)
In to plough deeply the degree of depth be 30cm in salt-soda soil.
Saline-alkaline Soils of Yellow River Delta water-saving irrigation new method the most according to claim 1, it is characterised in that described drip irrigation
Amount is cubic metre/mu every day 50, and the drip irrigation time is 4 days.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114271063A (en) * | 2022-01-06 | 2022-04-05 | 中国科学院东北地理与农业生态研究所 | Method for comprehensively improving saline-alkali soil by combining deep-buried straws and shallow-buried drip irrigation |
| CN114680029A (en) * | 2022-02-17 | 2022-07-01 | 广东省科学院广州地理研究所 | Irrigation method, device, equipment and storage medium based on soil and crop root system |
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| CN104472052A (en) * | 2014-11-14 | 2015-04-01 | 山东胜伟园林科技有限公司 | Saline-alkali soil improving method by engineering-chemistry-biology-desalination and water conservation-information technology |
| CN104904460A (en) * | 2015-05-18 | 2015-09-16 | 山东三益园林绿化有限公司 | Mid-grade and high-grade greening method for moderate and severe saline-alkali soil |
| CN105294284A (en) * | 2015-11-20 | 2016-02-03 | 河北中仓化肥有限公司 | Preparation method of straw fermented biological fertilizer |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104472052A (en) * | 2014-11-14 | 2015-04-01 | 山东胜伟园林科技有限公司 | Saline-alkali soil improving method by engineering-chemistry-biology-desalination and water conservation-information technology |
| CN104904460A (en) * | 2015-05-18 | 2015-09-16 | 山东三益园林绿化有限公司 | Mid-grade and high-grade greening method for moderate and severe saline-alkali soil |
| CN105294284A (en) * | 2015-11-20 | 2016-02-03 | 河北中仓化肥有限公司 | Preparation method of straw fermented biological fertilizer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114271063A (en) * | 2022-01-06 | 2022-04-05 | 中国科学院东北地理与农业生态研究所 | Method for comprehensively improving saline-alkali soil by combining deep-buried straws and shallow-buried drip irrigation |
| CN114680029A (en) * | 2022-02-17 | 2022-07-01 | 广东省科学院广州地理研究所 | Irrigation method, device, equipment and storage medium based on soil and crop root system |
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