CN110463394A - A kind of secondary salinization soil modification method of protecting field Sod culture - Google Patents
A kind of secondary salinization soil modification method of protecting field Sod culture Download PDFInfo
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- CN110463394A CN110463394A CN201910477420.1A CN201910477420A CN110463394A CN 110463394 A CN110463394 A CN 110463394A CN 201910477420 A CN201910477420 A CN 201910477420A CN 110463394 A CN110463394 A CN 110463394A
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- sward
- grass
- protecting field
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
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Abstract
The invention discloses a kind of secondary salinization soil modification methods of protecting field Sod culture, and sward, the crop interplanting on the sward and protecting field are cultivated on the protecting field；The sward between crop at a distance from 20-40cm；Single sward or grass seed mix may be selected when plantation；The application rate of the sward grass-seed is 2-10kg per acre.Sod culture can carry out soil improvement while crop production, be not required to additionally occupy the greenhouse time, production plan can be cooperated to execute.Moreover, its root system of Sod culture can absorb soil bottom nutrient, turf residuum can be laid on to growth belt soil surface, sustainable supply crop nutrient source after decomposition facilitates the Nutrient cycling of soil when cutting the grass on a lawn.
Description
Technical field
The present invention relates to secondary salinization soils to improve field, the especially soil improvement method of booth vegetable production.
Background technique
Under long-term cultivation, soil easily accumulates excessive salt, causes soil secondary salinization phenomenon, and this phenomenon is lacking
The Protectorate cultivation of few natural precipitation becomes apparent.Soil salt is excessively high will to directly affect absorption of the crop to moisture content and nutrient,
Cause crop failure.Therefore, long-term cultivation Soil Secondary salt marsh problem is reduced, soil environment is improved, is conducive to holding for agricultural
Supervention exhibition.
At present to solve protecting field soil secondary salinization, common method take off canopy drench with rain, waterflooding etc., with salt content
Relatively low water is eluted, and salt ion in soil is taken away.Although these methods are to the effect ten for reducing soil salt
Divide significantly, however, the problem of also taking away a large amount of nutrient while elution, being lost in addition to crop nutrient, while what is be pulled away supports
Part will also cause the eutrophication of environment water, become another burden instead.
Summary of the invention
Therefore, the technical problem to be solved by the present invention is to provide a kind of protecting field Secondary salinization the characteristics of for protecting field
Change soil improvement method.
The technical scheme is that
A kind of secondary salinization soil modification method of protecting field Sod culture, cultivates sward, institute on the protecting field
State the crop interplanting on sward and protecting field；
The sward between crop at a distance from 20-40cm；Single sward or grass seed mix may be selected when plantation；The life
Carelessly the application rate of seed is 2-10kg per acre.
The secondary salinization soil modification method of a kind of protecting field Sod culture according to the present invention, it is preferred that described
Sward selection, winter-spring season is based on cool-season grasses；Summer and autumn is based on season type grass.
Further, the cool-season grasses include rye grass, annual bluegrass, Festuca Arundinacea；The season type straw bag includes beach sparrow
Barnyard grass, Korea lawn grass, Bermuda.By taking the southern region such as Shanghai as an example.
The secondary salinization soil modification method of a kind of protecting field Sod culture according to the present invention, it is preferred that described
Sward between crop at a distance from be 30cm.
When crop is transplanted, the position of transplanting is the centre of growth belt, when at a distance from sward is between crop being 30cm, so
Distance of the crop toward two sides to straw cord is respectively 30cm, i.e., the width of growth belt is 60cm.
The secondary salinization soil modification method of a kind of protecting field Sod culture according to the present invention, it is preferred that described
In grass seed mix, grass-seed mass ratio is Festuca Arundinacea: annual bluegrass: rye grass is 2-4:1-2:1-2 grass seed mix.
Sowing quantity 2-10kg per acre after grass-seed mixing.
It is further preferred that grass-seed mass ratio is Festuca Arundinacea in the grass seed mix: annual bluegrass: rye grass 4:1-2:1-
2 grass seed mix.
The secondary salinization soil modification method of a kind of protecting field Sod culture according to the present invention, it is preferred that described
Crop choice is based on chronicity vegetables.Such as melon and fruit class, wild cabbage, cauliflower.The crop can be one kind, be also possible to a variety of
Crop mixes up.
The secondary salinization soil modification method of a kind of protecting field Sod culture according to the present invention, it is preferred that described
The application rate of sward grass-seed is 3-7kg per acre.
The secondary salinization soil modification method of a kind of protecting field Sod culture according to the present invention, it is preferred that described
During plantation, keep soil moisture in field capacity 60-70%.
The secondary salinization soil modification method of a kind of protecting field Sod culture according to the present invention, it is preferred that described
The width ratio of crop-planting band and sward band is 1:1-1:3.
The beneficial effects of the present invention are:
First, compared with the control, the soil conductivity of the waterflooding desalinization of soil by flooding or leaching and Sod culture reduces by 40.3% and 36.6% respectively.
Second, due to the well developed root system on lawn, compared with the control, the soil organic matter content of Sod culture is significantly improved
12%, and submerging treatment reduces by 1.4% instead.Therefore the root system of turf prosperity helps to improve soil texture, improves soil and protects
Water fertilizer-preserving ability.
Third, Sod culture can carry out soil improvement while crop production, are not required to additionally occupy the greenhouse time, can match
Production plan is closed to execute.
4th, its root system of Sod culture can absorb soil bottom nutrient, and turf residuum can be laid on to plantation when cutting the grass on a lawn
Band soil surface, sustainable supply crop nutrient source after decomposition facilitates the Nutrient cycling of soil.
Finally, if production base provides guide to visitors service of visiting, the interest of tourist's picking and comfortable is can be improved in Sod culture
Property, it can attract tourists and come to pick, improve the popularity of production base.
Detailed description of the invention
Fig. 1 is Sod culture plan view.
Specific embodiment
Embodiment 1
Implement Sod culture, greenhouse area 40*8=320m in the organic farm Shanghai Ai Niwei2, north and south respectively stays 2m idle
Area, main crop is broccoli in canopy, and making turfgrass, (Festuca Arundinacea: annual bluegrass: rye grass 4:2:2, grass-seed are spread after mixing
It broadcasts, per acre sowing quantity 5kg).Crop uses broccoli, and broccoli plants bandwidth 40cm, the wide 80cm of straw cord, and field layout is shown in Fig. 1.
Clear canopy and spread fertilizer over the fields organic commercial fertilizer 800-1000kg on December 2nd, 2016, rotary cultivator site preparation does not do furrow, with land presser
It by native face pressure reality and flattens, and growth belt is covered into black plastic cloth by field layout.December 10 broadcasted sowing grass-seed in straw cord,
It is neat with the emergence of sharp grass-seed that full canopy covers black shading net.It is then watered in a manner of spraying, keeps soil moisture in field Rong Shui
Measure 60-70%.Black net is pulled open after grass-seed emergence, and when natural plant height degree about 10-15cm is cut grass to 3cm with lawn mower, is repaired within 1-2 weeks
It cuts primary.On January 20th, 2017 removes the plastic foil on growth belt, and transplants broccoli (seedling age one month), plant away from
For 35cm, and drip irrigation zone is laid on growth belt.Growth period keeps soil moisture in a manner of drip irrigation and spray irrigation and artificial recharge
In field water capacity 60-70%.In addition, growth period is not required to top dressing.
In addition two cultivation histories greenhouse identical with Sod culture canopy is selected, control and submerging treatment are carried out.At control
Reason is the intrinsic production method in Ai Ni Vernon field, applies 800-1000kg organic commercial fertilizer, rotary cultivator after in early January, 2017 clear canopy
Site preparation, ditching machine do 4 furrow.After furrow face manually flattens, in transplanting on January 20th, 2017 broccoli, distance between rows and hills 40*35cm.It floods
Water process, by greenhouse inside circumference with the high about 50cm of mound in canopy, is then poured water in canopy after in mid-November, 2016 clear canopy,
Water level in canopy is set to exceed soil surface at least 5cm, waterflooding discharges water after three days to be spontaneously dried to soil.Site preparation of applying fertilizer after one month is made
Furrow, subsequent broccoli transplanting and moisture management are identical as control.
Table one, 1 soil improvement of example test
Note: the analysis of 0-10cm soil layer is adopted.Conductivity is with Tu Shui ratio 1:5 measurement, and the content of organic matter is with potassium bichromate measuring method
Measurement.
After crop harvesting, different disposal soil (control, the waterflooding desalinization of soil by flooding or leaching, Sod culture) is taken to be analyzed.Sod culture takes
Sample position is straw cord.Compared with the control, the soil conductivity of the waterflooding desalinization of soil by flooding or leaching and Sod culture reduces by 40.3% and 36.6% respectively.
Second, due to the well developed root system on lawn, compared with the control, the soil organic matter content of Sod culture significantly improves 12%, and floods
Water process reduces by 1.4% instead.Therefore the root system of turf prosperity helps to improve soil texture, improves soil water-reataining fertilizer-keeping energy
Power.
Embodiment 2
Implement Sod culture, greenhouse area 40*8=320m in the organic farm Shanghai Ai Niwei2, north and south respectively stays 2m idle
Area, main crop is broccoli in canopy, makees Festuca Arundinacea, grass-seed sowing quantity 4kg per acre.Crop uses collard, plants bandwidth
40cm, the wide 80cm of straw cord.Mode of operation is same as Example 1.It is another to arrange a control treatment, it chooses and Sod culture cultivation history
Identical canopy, in addition to collard distance between rows and hills is adjusted to 50*40cm, remaining is same as Example 1.
Table two, 2 soil improvement of example test
Note: the analysis of 0-10cm soil layer is adopted.Conductivity is with Tu Shui ratio 1:5 measurement, and the content of organic matter is with potassium bichromate measuring method
Measurement.
After crop harvesting, control and Sod culture canopy soil is taken to be analyzed.Sod culture sample position is straw cord.With it is right
The soil conductivity of photograph ratio, Sod culture reduces by 26.3%, while improving soil organic matter content 7.5%, it was demonstrated that sward is planted
Training is conducive to improve soil environment, reduces soil salinization degree.
Claims (9)
1. a kind of secondary salinization soil modification method of protecting field Sod culture, it is characterised in that:
Sward, the crop interplanting on the sward and protecting field are cultivated on the protecting field；
The sward between crop at a distance from 20-40cm；Single sward or grass seed mix may be selected when plantation；The sward grass
The application rate of seed is 2-10kg per acre.
2. a kind of secondary salinization soil modification method of protecting field Sod culture according to claim 1, feature exist
In: the sward selection, winter-spring season is based on cool-season grasses；Summer and autumn is based on season type grass.
3. a kind of secondary salinization soil modification method of protecting field Sod culture according to claim 2, feature exist
In: the cool-season grasses include rye grass, annual bluegrass, Festuca Arundinacea；The season type straw bag includes seashore paspalum, Korea lawn grass, hundred admires
Greatly.
4. a kind of secondary salinization soil modification method of protecting field Sod culture according to claim 1, feature exist
It is 30cm at a distance from: the sward is between crop.
5. a kind of secondary salinization soil modification method of protecting field Sod culture according to claim 1, feature exist
In: in the grass seed mix, grass-seed mass ratio is Festuca Arundinacea: annual bluegrass: rye grass is 2-4:1-2:1-2 grass seed mix.
6. a kind of secondary salinization soil modification method of protecting field Sod culture according to claim 1, feature exist
In: the crop choice is based on chronicity vegetables.
7. a kind of secondary salinization soil modification method of protecting field Sod culture according to claim 1, feature exist
In: the application rate of the sward grass-seed is 3-7kg per acre.
8. a kind of secondary salinization soil modification method of protecting field Sod culture according to claim 1, feature exist
In: during the plantation, keep soil moisture in field capacity 60-70%.
9. a kind of secondary salinization soil modification method of protecting field Sod culture according to claim 1, feature exist
In: the width ratio of the crop-planting band and sward band is 1:1-1:3.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110972597A (en) * | 2019-12-28 | 2020-04-10 | 上海交通大学 | Method for improving secondary salinization of facility vegetable field by utilizing symbiotic cultivation of lawn and vegetables |
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