CN106718009A - A kind of method of the ecological improvement of carpet sod production Features of Soil Structure of Degraded Soil - Google Patents
A kind of method of the ecological improvement of carpet sod production Features of Soil Structure of Degraded Soil 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
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Abstract
The invention discloses a kind of method for carrying out structure ecological improvement to the soil that carpet sod production is degenerated, mainly in the soil of preceding stubble plantation Festuca Arundinacea by a certain proportion of sawdust, grass cuttings, then maize straw, become thoroughly decomposed maize straw and mud nutrition soil applies sod production soil, then Festuca Arundinacea Lexus II, application rate 35g/m are sowed on mixed soil2, after being post-processed to Festuca Arundinacea, detect regulating and controlling effect of the different supplement discarded object supplementary materials to soil moisture content, porosity and unit weight.The method of the present invention is sawdust, grass cuttings, maize straw, the recycling of become thoroughly decomposed maize straw and mud nutrition soil open up a new way then.
Description
Technical field
The invention belongs to Land_use change technical field, it is related to carpet sod production soil matrix structure ecological technique improvement side
Method, it is therefore intended that Sod-production soil soil sustainable use, reduces soil wasting phenomenon.
Background technology
With the fast development of urbanization, city dweller increasingly focuses on the construction of urban ecological system.And turf establishment
System construction has turned into one of important content for being must take into consideration in modern city ecological construction.The green coverage and quality on lawn are
As the important objective standard for evaluating city environmental quality, therefore, people are increasing to the demand on lawn.Roll of sod because into
Level ground advantage that is fast and being easy to ship is applied directly to city bare area greening laying, and the roll of sod of current China is mainly from rural area
Urban ecological system is transported to after the plantation of arable land.During turf results, the soil that 2 cm are at least had every time is brought into city
In the ecosystem, if things go on like this, the soil in farmland can be fewer and feweri with soil losses, and fertile farmland will be destroyed.Such as
What is repaired destroyed soil and has become focus of attention, and be born cultivation technique without soil on this basis, and it has weight
Gently, convenient transportation, laying easily, without weeds, Economization on land, save rich water and reduce pest and disease damage the advantages of.Common lawn group
Matrix is main based on organic substrate, including sawdust, maize straw, flyash, grass cuttings etc..The physical property of excellent substrates, Gu,
Liquid, the Phase Proportion of gas three are appropriate, and the particle diameter of matrix is 0.5 ~ 10 mm, and unit weight isAir volume be 25% ~
30%, more than 75%, 0.5 or so, WGR is 1 to size void ratio to total porosity:2~4.
China as world's forestry products import and export big country, the forestry gross output value reaches trillion, and timber processing is in forestry industry knot
In occupation of critical role in structure.The residue that sawdust is processed as timber, resource very abundant.According to incompletely statistics, it is annual useless
The sawdust abandoned up to hundreds of thousands ton.China's forestry gross output value reaches 1.75 trillion yuans within 2009, has become world's forestry products life
Produce, process, consume and import and export big country（The State Administration of Forestry, 2009）[8].We can not only reduce sawdust cycling and reutilization
Forest resources dynamics and waste discharge, protection and improve environment, can also using sawdust as turf establishment matrix a kind of raw material
Source, alleviates the pressure of China's agricultural land soil consumption to a certain extent, Circular Economy is walked, to Resources for construction saving
Type friendly environment society all has important practical significance.
Turfgrass Growth is the process for pruning regrowth, and grass cuttings are exactly the stem and page left after turf-mown, turf-mown frequency
Higher, the accumulation of grass cuttings is bigger.The grass cuttings under turf-mown are mostly regarded garbage disposal by turf management person at this stage, but
By grass cuttings when garbage disposal can land occupation, consuming financial resources, in addition containing substantial amounts of N in the grass cuttings of lawn, in stacking situation naturally
Lower can decomposition produces unpleasant ammonia
Grass cuttings light weight, porosity are big, are used as matrix, and its venting capability is good, are conducive to emerging and growing for turfgrass.Cause
The utilization of this grass cuttings is exactly in line with the principle suited measures to local conditions, gather materials on the spot.We even more build section with agricultural wastes as matrix
About type society, develops a circular economy, " producing lawn with grass cuttings ", " returning level ground with grass ", promotes saving to use and make rational use of resources, and pushes away
The need for entering comprehensive utilization of waste materials.
Sludge from wastewater treatment plant is the discarded object of generation during the dirty water decontamination handles, by inorganic matter, organic matter, microorganism
The mixing such as body is constituted.With the increase of sewage load, sludge yield increasingly increases severely, and compost recycling turns into Treatment of Sludge
One of major way.Fact proved that compost treatment is that one kind is generally used and very effective life refuse processing method.
Substituting soil with sludge composting can improve EDTA- Fe, cost-effective, can also effectively utilize sludge, improve urban environment, delay
The deficient pressure of solution lawn matrix, is a great application value, continuable recycling sludge approach.
China is large agricultural country, is also one of most abundant country of stalk yield in the world.Current China can produce 22 every year
Hundred million tons of maize straw, as the economic development in rural area and living standards of the people are improved constantly, people develop the new energy
Proportion to replace stalk resource, stalk is continuously increased, and environment and the wasting of resources etc. are a series of to ask to have triggered crop straw burning to pollute
Topic, therefore, stalk problem causes the attention of people, and the main Land use systems of current people are：Straw-returning, stalk are raised
Material, stalk make the energy, stalk and make the raw material of industry and straw cultivation edible mushroom.Straw-returning can be avoided stalk resource by us
Waste, realize agricultural sustainable development, be avoided that crop straw burning pollutes environment again.
The content of the invention
In order to solve the problems, such as the soil fail that traditional sod production mode is brought, find lawn tissue culture matrix to alleviate length
The reduction that phase carries out the farmland top layer of sod production has very important significance.Common lawn compounded medium is main with organic
Based on matrix, including：Wood chip, stalk, flyash, herbaceous stem fiber etc..But exist on sawdust, grass cuttings, mud nutrition soil and stalk
Application in turf establishment system is also rarely found.Therefore the present invention adds respectively by by sawdust, grass cuttings, mud nutrition soil and stalk
Enter in turf establishment system, have studied sawdust, grass cuttings, mud nutrition soil and stalk to lawn soil water content, unit weight and hole
The influence of degree.Result of study can provide theory for sawdust, grass cuttings, mud nutrition soil and stalk directly apply to turf establishment system
Foundation is also sawdust, the recycling of grass cuttings, mud nutrition soil and stalk opens up a new way.
To achieve the above object, the invention discloses following technology contents：
A kind of method that structure ecological improvement is carried out to the soil that carpet sod production is degenerated, it is characterised in that by the steps
Carry out：
(1) soil to preceding stubble plantation tall fescue turf removes earth's surface debris, by the cm of soil deep tillage 30, with circle after drying 1 month
Disk rake is repeated clods breaking, until soil block diameter reaches 3 cm and following, changing soil-finishing rake, to carry out soil slightly smooth；
（2）Soil after will be smooth carries out zoning segmentation, by ready different discarded object supplementary materials according to 4.5 kg/ m2
Consumption uniformly paving is sprinkled upon in corresponding zoning, then plough 12-15 cm with shallow plowing equipment, the matrix that will be supplemented is with soil fully,
Even mixing, different supplementary materials are carrying out thin level ground after being mixed uniformly with soil, reach and treat sowing state；Each dividing regions area
It is 12 m × 5m；Wherein described discarded object supplementary material is respectively：Sawdust, grass cuttings, then mud nutrition soil, corn stalk
Stalk, corn stalk of becoming thoroughly decomposed；
（3）It is light with Special tractor traction to the addition of supplement discarded object supplementary material and trial zone in state to be broadcast
Festuca Arundinacea Lexus II, the g/ m of application rate 35 are sowed after the compacting of type water axle2, to be suppressed immediately after broadcasting, watered, continuous pouring is until each
Treatment region is emerged, normal maintenance management after emerging, and average per a water is poured within 5-7 days according to weather condition, all treatment are being broadcast
Before kind any fertilizer is not applied with maintenance processes；
（4）After harvesting Festuca Arundinacea, regulation and control of the different supplement discarded object supplementary materials to soil moisture content, unit weight and porosity are detected
Effect.
The preparation method of maize straw then of the present invention or corn stalk of becoming thoroughly decomposed is：
（1）Become thoroughly decomposed being prepared as of maize straw：Maize straw+corncob, both mixed proportions 1:1, wherein the corn that becomes thoroughly decomposed
Stalk+corncob, is that autumn harvest corn is crushed to 3-5cm particle diameters respectively through the corncob after thresing machine threshing, maize straw
Afterwards according to volume ratio 1:It is deposited in moist low-lying pit after 1 mixing and covers plastic foil, is air-dried after becoming thoroughly decomposed naturally 16 months and used,
Water content 16%；
（2）Maize straw is prepared as then：Maize straw+corncob, is that new autumn harvest corn is taken off through thresing machine then
Corncob, maize straw after grain are crushed to after 3-5cm particle diameters according to volume ratio 1 respectively:Directly used after 1 mixing, it is aqueous
Amount 14%.Described ecological modification method, wherein the preparation method of described sawdust, mud nutrition soil or grass cuttings is：
（1）Mud Nutrition Soil is that the sludge that becomes thoroughly decomposed is the sludge product processed through bar buttress formula turning aerobic fermentation, and its moisture content is
35%；
（2）Grass wadding is the tall grass wadding cradled in turf production maintenance processes, and grass wadding length is 4-6 cm, by stacking nature
The air-dried grass wadding of 6-8 month, its moisture content 15% are deposited under ventilation aerobic environment；
（3）Sawdust comes from the pine wood sawdust of wood-working factory, and its moisture content is 13%, at the sieving using the preceding mm of use diameter 5
Reason, removes the debris such as stone cleaning, iron nail.
The application of soil moisture content promotion lawn growth development is being improved the present invention further discloses using the method；Its
The discarded object supplementary material of middle addition be grass cuttings, mud nutrition soil, sawdust, become thoroughly decomposed maize straw and then maize straw and
Improve the application in terms of the gas permeability of soil；The discarded object supplementary material for wherein adding is grass cuttings, mud nutrition soil, sawdust, becomes thoroughly decomposed
Maize straw and then maize straw.
More detailed description of the present invention is as follows：
First, materials and methods are developed
1. experimental field Natural situation
Tianjin Ninghe Pan Zhuan farms Tianjin Hongganglvyin Flower and Grass Planting Co., Ltd. lawn base is experimental field located at, is experimental field located in east longitude
117.83 degree, 39.33 degree of north latitude.Belong to continental monsoon climate, warm temperate zone semi-dry and semi-humid wind band, total climatic characteristic is four
Season is clearly demarcated, and spring arid is windy, and summer temperature is higher, and rainwater is concentrated, and autumn, the sky is clear and the air is crisp, and winter more dries cold.It is annual
Cardinal wind is southwester, and summer cardinal wind is southeaster, and winter cardinal wind is northwester, and annual mean wind speed is 3.4 m/
s.11.2 DEG C of annual mean temperature, medial humidity 66%, the lowest temperature is average -5.8 DEG C, appears in the January, and the highest temperature is put down
Equal 25.7 DEG C appear in 0.57 meter of July maximum depth of frozen ground.The mm of mean annual precipitation 642, precipitation 70% concentrates on 6,
7th, 8 three months.240 days annual frost-free periods.
2. research method is developed
2.2.1 material is developed
Festuca Arundinacea is selected in experiment（Festuca arundinace）Lexus II（Barlexas-Ⅱ）, trained by green company of Holland hundred
Educate and produce, provided by the green Co., Ltd in Tianjin hundred, in June, 2014 date of manufacture, grass seeds degree of purity 98%, grass seeds germination percentage
85%。
It is respectively for examination supplementary material material：Mud Nutrition Soil be become thoroughly decomposed sludge be through bar buttress formula turning aerobic fermentation process dirt
Mud product, is provided by Tianjin Yu Chuan microbial products Co., Ltd, and its moisture content is 35%；Grass wadding is the lawn life of Hong Gang companies
The tall grass wadding cradled in maintenance processes is produced, grass wadding length is 4-6 cm, is deposited by under stacking gravity-flow ventilation aerobic environment
The air-dried grass wadding of 6-8 month, its moisture content 15%；Sawdust comes from one, the Tianjin Wuqing District Xia Zhuzhuan towns pine of wood-working factory
Wood saw end, its moisture content is 13%, is processed using the sieving of the preceding mm of use diameter 5, removes the debris such as stone cleaning, iron nail；Maize straw+
Corncob, both mixed proportions 1:1, wherein the maize straw+corncob that becomes thoroughly decomposed, is by Tianjin Ninghe Pan Zhuan towns peasant household
According to volume after autumn harvest corn is crushed to 3-5cm particle diameters respectively through the corncob after thresing machine threshing, maize straw within 2013
Than 1:It is deposited in moist low-lying pit after 1 mixing and covers plastic foil, is air-dried after becoming thoroughly decomposed naturally 16 months and used, water content 16%；
Maize straw+corncob, is through the jade after thresing machine threshing by Tianjin Ninghe Pan Zhuan towns peasant household autumn harvest corn in 2014 then
Rice cob, maize straw are crushed to after 3-5cm particle diameters according to volume ratio 1 respectively:Directly used after 1 mixing, water content 14%.
2.2.2 method for designing
Experimental field it is located at the 8th piece of the lawn base crop field A areas plot south, the m of area 15002, 24 m long from south to north, thing is wide by 63
M, stubble plantation tall fescue turf before the plot.30 cm will be experimental field ploughed deeply after removing earth's surface debris, disk will be used after drying 1 month
Rake is repeated clods breaking, until soil block diameter reaches 3 cm and following, changing soil-finishing rake, to carry out soil slightly smooth.Will be smooth
Soil afterwards carries out zoning segmentation according to experimental design plan, and ready different supplementary materials are uniform according to design quantity
Paving is sprinkled upon in corresponding zoning, then ploughs 12-15 cm with shallow plowing equipment, it is therefore an objective to fully, uniformly mix supplementary material and soil
Close, matrix is carrying out thin level ground after being mixed uniformly with soil, reaches and treats sowing state.
Experiment sets 6 treatment, wherein 1 treatment soil does not mix any matrix as control（CK）, other 5 treatment are in planting soil
Mix five kinds of different discarded object supplementary materials in earth, five supplementary materials be respectively mud Nutrition Soil, the maize straw that becomes thoroughly decomposed+
4.5 kg/m are pressed in corncob, maize straw+corncob then, grass wadding, sawdust, each treatment respectively2Consumption addition
Matrix（Except control）, each treatment sets 3 repetitions.18 cells, each cell altogether（Except for the control）Area be
(width) 12 m ×（It is long）5m=60 m2, 3 plot areas of control be (width) 21 m ×（It is long）9 m=189 m2。
To with the addition of supplementary material and after being compacted with the light-duty water axle of Special tractor traction wait the trial zone of state of broadcasting
Sowing Festuca Arundinacea Lexus II, April 23 2015 sowing date, the g/m of application rate 352, suppressed immediately after broadcasting, watered.Pour hydromining
Self-propelled translation sprinkling irrigation equipment, duty is walked speed and is adjusted certainly by regulation, it is ensured that irrigate uniform, continuous pouring
Until each treatment is emerged, normal maintenance management after emerging averagely often pours a water, all treatment for 5-7 days according to weather condition
Prior to seeding any fertilizer is not applied with maintenance processes.
2.2.3 the collection of pedotheque
Sampling time is on May 26th, 2016, using diagonal line style sampling method, 6 samplings is randomly selected in each experimental plot
Point, with cutting ring (100 cm3) gather 0-5cm respectively, the pedotheque of 5-10cm, 10-15cm, altogether 54 pedotheques.Will
Hermetic bag is put into after soil sample mixing, label in note takes back laboratory.
2.2.4 index determining
（1）The measure of water content：
1. preparation：Aluminium box is numbered and weighed indoors, weight is designated as W1
2. sample：In field, earth boring auger drills through representational soil sample, about 20 grams of geotome stage casing pedotheque, be quickly charged with
In the aluminium box of numbering, the weight of aluminium box and fresh soil samples is weighed, be designated as W2, take back interior.
3. dry：Open aluminium lid（Lid is placed on aluminium box side）, drying 6 hours in 105 DEG C of constant temperature oven are placed on, cover
Lid, aluminium box is placed in drier and is cooled down 30 minutes, is weighed.
4. constant weight：Aluminium lid is opened, is placed in 105 DEG C of constant temperature oven and is dried 10 hours again, cover lid, aluminium box is put
In being cooled down 30 minutes in drier, weigh.If front and rear difference of weighing twice is no more than 0.05 gram i.e. it is believed that having reached constant weight.Weight
Amount is designated as W3。
（2）The measure of unit weight and porosity：
Cutting ring is first weighed indoors（Together with chassis, rebasing filter paper and top cover）Weight, cutting ring volume is generally 100 cubes lis
Rice.The cutting ring band that will have been weighed is to Field sampling.Before sampling, sampled point soil face is evened out, the lid at removal cutting ring two ends.Again will
Cutting ring（Edge of a knife end is downward）In steady press-in soil, make sure to keep in mind left and right and wave, after earth pillar emerges cutting ring upper end, surrounding is dug with spades
Soil, takes out the cutting ring full of soil, is cut native knife and is pruned the unnecessary soil in ring two ends with sharp.Make the soil volume in cutting ring
Just it is the volume of cutting ring.The filter paper on cutting ring edge of a knife pad, and bottom is covered, cutting ring upper end top cover.Wipe the mud outside cutting ring
Soil, takes back experiment and weighs immediately.
2nd, development results analysis
1. influence of the different substrates to water content
Influence of the different substrates to water content is as shown in table 1.In 0 ~ 5 cm soil horizons, compared with control group, turf establishment body
Grass cuttings, the maize straw that becomes thoroughly decomposed, sawdust and then after maize straw are added in system, soil moisture content increased, and increased respectively
20.8%th, 15.3%, 8% and 2.8%, but difference is not notable（P＞ 0.05）；Add mud nutrition soil after, soil moisture content with it is right
Photograph ratio is not changed in, and difference is not also notable（P＞ 0.05）.
In 5 ~ 10 cm soil horizons, sawdust, the then maize straw that becomes thoroughly decomposed, jade are added compared with control group, in turf establishment system
After rice stalk, mud nutrition soil or grass cuttings, soil moisture content has increased trend, increased 34.7% respectively, 9.5%, 4.3%,
3.6% and 1.7%, wherein add water content increase after sawdust most, but difference is not notable（P＞ 0.05）.
In 10 ~ 15 cm soil horizons, compared with control group, addition is become thoroughly decomposed maize straw, mud nutrition soil, grass cuttings and beautiful then
After rice stalk, water content is both increased, and 7.3%, 4.1%, 2.7% and 1.2% is increased respectively, but difference is not notable（P＞
0.05）；Soil moisture content is unchanged compared with the control after adding sawdust, and difference is not also notable（P＞ 0.05）
Influence of the different disposal of table 1 to soil moisture content（%）
Note:Same column difference lowercase letter respectively treatment between significant difference (P＜ 0. is 05).
2. influence of the different substrates to unit weight
Influence of the different substrates to unit weight.In 0 ~ 5 cm soil horizons, compared with control group, grass cuttings, then sawdust, corn are added
After stalk or mud nutrition soil, the soil weight has the trend of reduction, and 3.8%, 2.4%, 0.9% and 0.5% is reduced respectively, wherein
Unit weight reduction is most after adding grass cuttings, but difference is not notable（P＞ 0.05）；Addition become thoroughly decomposed after maize straw the soil weight with
Control is compared to unchanged, and difference is not also notable（P＞ 0.05）.
In 5 ~ 10 cm soil horizons, compared with control group, maize straw, sawdust, grass cuttings, mud nutrition soil and corruption then is added
After cooked maize stalk, soil weight reduction reduces 15.4%, 9.9%, 7.4%, 4.8% and 3.1% respectively, but difference does not show
Write（P＞ 0.05）.
In 10 ~ 15 cm soil horizons, compared with control group, addition is become thoroughly decomposed after maize straw, grass cuttings and mud nutrition soil, soil
Unit weight is all reduced, and 6.6%, 6.3% and 4.0% is reduced respectively, but difference is not notable（P＞ 0.05）；Compared with control group, plus
After entering sawdust and then maize straw, the soil weight is greatly lowered, and reduces 10.2% and 8%, but difference is not notable（P
＞ 0.05）.
Influence of the different disposal of table 2 to the soil weight（g/cm3）
Note:Same column difference lowercase letter respectively treatment between significant difference (P＜ 0. is 05).
3. influence of the different substrates to porosity
Influence of the different substrates to porosity is as shown in table 3.In 0-5 cm soil horizons, compared with control group, grass cuttings, saw are added
End, mud nutrition soil and then after maize straw, soil porosity has increased trend, increased 3.3% respectively, 1.5%,
1.2% and 0.8%, but difference is not notable（P＞ 0.05）；The addition soil porosity after maize straw that becomes thoroughly decomposed is several compared with the control
It is unchanged, and difference is not also notable（P＞ 0.05）.
In 5 ~ 10 cm soil horizons, compared with control group, addition is become thoroughly decomposed after maize straw or mud nutrition soil, soil porosity
It is slightly elevated, 3.2% and 3.1% is increased, but difference is not notable（P＞ 0.05）；Compared with control group, sawdust, grass cuttings are added
Or then after maize straw, soil porosity is all significantly raised, 12.8%, 9.6% and 5.7% is increased respectively, but difference is simultaneously
It is not notable（P＞ 0.05）.
In 10 ~ 15 cm soil horizons, compared with control group, add sawdust, then maize straw, the maize straw that becomes thoroughly decomposed, grass cuttings or
After mud nutrition soil, soil porosity is raised, and 11.4%, 9.0%, 7.4%, 5.7% and 3.1% is increased respectively, but difference is not
Significantly（P ＞ 0.05）.
Influence (%) of the different disposal of table 3 to soil porosity
Note:Same column difference lowercase letter respectively treatment between significant difference (P＜ 0. is 05).
3rd, conclusion is developed
In the soil horizon of 0~5cm, 5~10cm and 10~15cm, compared with control group, add sawdust, grass cuttings, become thoroughly decomposed corn
After soil, then corn soil and mud nutrition soil, soil moisture content has increased trend, but difference is not notable.Its
In, in the growth of each interlayer, reason is that grass cuttings have certain water content, and quality in itself to soil moisture content after addition grass cuttings
Gently, porosity is big, is used as matrix, and its venting capability is good, is conducive to emerging and growing for turfgrass.On the other hand, grass cuttings
Belong to and gather materials on the spot, turn waste into wealth, it is environmentally safe.Water content also has and increases by a small margin after addition mud nutrition soil and sawdust
Trend, show addition grass cuttings, mud nutrition soil, sawdust, become thoroughly decomposed maize straw and then after maize straw to lawn matrix
Water holding water holding capacity plays a positive role, so as to be conducive to emerging and growing for turfgrass.
In the soil horizon of 0~5cm, 5~10cm and 10~15cm, compared with control group, add sawdust, grass cuttings, become thoroughly decomposed corn
After stalk, then maize straw and mud nutrition soil, though the difference between the soil weight is not notable, there is becoming for reduction
Gesture.It is therefore seen that, addition grass cuttings, mud nutrition soil, sawdust, become thoroughly decomposed maize straw and then after maize straw the reduction of unit weight can
So that soil is more loose, gas permeability is improved, beneficial to the growth of turfgrass.
In the soil horizon of 0~5cm, 5~10cm and 10~15cm, compared with control group, add sawdust, grass cuttings, become thoroughly decomposed corn
After stalk, then maize straw and mud nutrition soil, soil porosity has the increase of certain amplitude.Wherein add sludge nutrition
Soil porosity change after soil is minimum, because sludge structure is loose, density is smaller, although its porosity is raised, but amplification
Less, but this also ensure that the aeration porosity of soil enough, may advantageously facilitate the gas exchanges of plant root.
In sum, after adding sawdust, grass cuttings, the then maize straw that becomes thoroughly decomposed, maize straw and mud nutrition soil in lawn matrix,
Water content has increased trend, and unit weight reduction, porosity increases, and the change of these three indexs is conducive to the water conservation of lawn matrix to hold
Water, and the pine of soil dredges the breathing for being conducive to lawn root system, beneficial to growing for lawn plant.Sawdust, grass cuttings, become thoroughly decomposed jade
Rice stalk, then maize straw mud nutrition soil as compounded turf matrix packing material can be sawdust, grass cuttings, corn stalk of becoming thoroughly decomposed
The recycling of stalk, then maize straw and mud nutrition soil opens up a new way.To solve traditional sod production mode
The soil fail problem brought, the reduction for finding lawn tissue culture matrix to alleviate the long-term farmland top layer for carrying out sod production has
Very important meaning.This experiment by by sawdust, grass cuttings, then maize straw, become thoroughly decomposed maize straw and mud nutrition soil point
Not Jia Ru in turf establishment system, have studied sawdust, grass cuttings, then maize straw, become thoroughly decomposed maize straw and mud nutrition soil pair
The influence of lawn soil water content, unit weight and porosity, be sawdust, grass cuttings, then maize straw, become thoroughly decomposed maize straw and sludge
The recycling of Nutrition Soil provides comprehensive technical basis.Comprehensive analysis shows：Sawdust, grass cuttings, then maize straw, become thoroughly decomposed
Maize straw and mud nutrition soil can solve the soil that traditional sod production mode is brought as compounded turf matrix packing material
It is sawdust, then grass cuttings, maize straw, the recycling of become thoroughly decomposed maize straw and mud nutrition soil while destruction problem
Open up a new way.
Specific embodiment
The present invention is described below by specific embodiment.Unless stated otherwise, technological means used in the present invention is
Method known in those skilled in the art.In addition, embodiment is interpreted as illustrative, to be not intended to limit the present invention model
Enclose, the spirit and scope of the invention are limited only by the claims that follow.To those skilled in the art, without departing substantially from this hair
On the premise of bright spirit and scope, the various changes or change carried out to the material component and consumption in these embodiments also belong to
In protection scope of the present invention.
Embodiment 1
A kind of method that structure ecological improvement is carried out to the soil that carpet sod production is degenerated：
(1) soil to preceding stubble plantation tall fescue turf removes earth's surface debris, by the cm of soil deep tillage 30, with circle after drying 1 month
Disk rake is repeated clods breaking, until soil block diameter reaches 3 cm, it is slightly smooth that replacing soil-finishing rake carries out soil；
（2）Soil after will be smooth carries out zoning segmentation, by ready different discarded object supplementary materials according to 4.5 kg/ m2
Consumption uniformly paving is sprinkled upon in corresponding zoning, then plough 12 cm with shallow plowing equipment, the matrix that will be supplemented with soil fully, it is uniform
Mixing, different supplementary materials are carrying out thin level ground after being mixed uniformly with soil, reach and treat sowing state；Each dividing regions area is equal
It is 12 m × 5m；Wherein described discarded object supplementary material is respectively：Sawdust, grass cuttings, mud nutrition soil, then maize straw,
Become thoroughly decomposed corn stalk；
（3）It is light with Special tractor traction to the addition of supplement discarded object supplementary material and trial zone in state to be broadcast
Festuca Arundinacea Lexus II, the g/m2 of application rate 35 are sowed after the compacting of type water axle, is suppressed immediately after broadcasting, watered, continuous pouring is until everywhere
Reason area emerges, and normal maintenance management after emerging averagely pours a water in every 5 days according to weather condition, and all treatment are prior to seeding
Any fertilizer is not applied with maintenance processes；
（4）After harvesting Festuca Arundinacea, regulation and control of the different supplement discarded object supplementary materials to soil moisture content, unit weight and porosity are detected
Effect.
Embodiment 2
A kind of method that structure ecological improvement is carried out to the soil that carpet sod production is degenerated：
(1) soil to preceding stubble plantation tall fescue turf removes earth's surface debris, by the cm of soil deep tillage 30, with circle after drying 1 month
Disk rake is repeated clods breaking, until soil block diameter reaches 1.5 cm, it is slightly smooth that replacing soil-finishing rake carries out soil；
（2）Soil after will be smooth carries out zoning segmentation, by ready different discarded object supplementary materials according to 4.5 kg/ m2
Consumption uniformly paving is sprinkled upon in corresponding zoning, then plough 15 cm with shallow plowing equipment, the matrix that will be supplemented with soil fully, it is uniform
Mixing, different supplementary materials are carrying out thin level ground after being mixed uniformly with soil, reach and treat sowing state；Each dividing regions area is equal
It is 12 m × 5m；Wherein described discarded object supplementary material is respectively：Sawdust, grass cuttings, mud nutrition soil, then maize straw,
Become thoroughly decomposed corn stalk；
（3）It is light with Special tractor traction to the addition of supplement discarded object supplementary material and trial zone in state to be broadcast
Festuca Arundinacea Lexus II, the g/m of application rate 35 are sowed after the compacting of type water axle2, to be suppressed immediately after broadcasting, watered, continuous pouring is until everywhere
Reason area emerges, and normal maintenance management after emerging averagely pours a water in every 7 days according to weather condition, and all treatment are prior to seeding
Any fertilizer is not applied with maintenance processes；
（4）After harvesting Festuca Arundinacea, regulation and control of the different supplement discarded object supplementary materials to soil moisture content, unit weight and porosity are detected
Effect.
Claims (5)
1. a kind of method that soil to the degeneration of carpet sod production carries out structure ecological improvement, it is characterised in that by following step
Suddenly carry out：
(1) soil to preceding stubble plantation tall fescue turf removes earth's surface debris, by the cm of soil deep tillage 30, with circle after drying 1 month
Disk rake is repeated clods breaking, until soil block diameter reaches 3 cm and following, changing soil-finishing rake, to carry out soil slightly smooth；
（2）Soil after will be smooth carries out zoning segmentation, by ready different discarded object supplementary materials according to 4.5 kg/ m2's
Uniformly paving is sprinkled upon in corresponding zoning consumption, then ploughs 12-15 cm with shallow plowing equipment, and the matrix that will be supplemented is abundant with soil, uniform
Mixing, different supplementary materials are carrying out thin level ground after being mixed uniformly with soil, reach and treat sowing state；Each dividing regions area is equal
It is 12 m × 5m；Wherein described discarded object supplementary material is respectively：Sawdust, grass cuttings, mud nutrition soil, then maize straw,
Become thoroughly decomposed corn stalk；
（3）It is light with Special tractor traction to the addition of supplement discarded object supplementary material and trial zone in state to be broadcast
Festuca Arundinacea Lexus II, the g/ m of application rate 35 are sowed after the compacting of type water axle2, to be suppressed immediately after broadcasting, watered, continuous pouring is until each
Treatment region is emerged, normal maintenance management after emerging, and average per a water is poured within 5-7 days according to weather condition, all treatment are being broadcast
Before kind any fertilizer is not applied with maintenance processes；
（4）After harvesting Festuca Arundinacea, regulation and control of the different supplement discarded object supplementary materials to soil moisture content, porosity and unit weight are detected
Effect.
2. the application of soil moisture content promotion lawn growth development is being improved using the method described in claim 1；Wherein
The discarded object supplementary material of addition is grass cuttings, mud nutrition soil, sawdust, become thoroughly decomposed maize straw and maize straw then.
3. the application using the method described in claim 1 in terms of the gas permeability of soil is improved；The discarded object for wherein adding is supplemented
Material is grass cuttings, mud nutrition soil, sawdust, become thoroughly decomposed maize straw and maize straw then.
4. the ecological modification method described in claim 1, wherein the preparation side of described maize straw then or corn stalk of becoming thoroughly decomposed
Method is：
（1）Become thoroughly decomposed being prepared as of maize straw：Maize straw+corncob, both mixed proportions 1:1, wherein the corn that becomes thoroughly decomposed
Stalk+corncob, is that autumn harvest corn is crushed to 3-5cm particle diameters respectively through the corncob after thresing machine threshing, maize straw
Afterwards according to volume ratio 1:It is deposited in moist low-lying pit after 1 mixing and covers plastic foil, is air-dried after becoming thoroughly decomposed naturally 16 months and used,
Water content 16%；
（2）Maize straw is prepared as then：Maize straw+corncob, is that new autumn harvest corn is taken off through thresing machine then
Corncob, maize straw after grain are crushed to after 3-5cm particle diameters according to volume ratio 1 respectively:Directly used after 1 mixing, it is aqueous
Amount 14%.
5. the ecological modification method described in claim 1, wherein the preparation method of described sawdust, mud nutrition soil or grass cuttings
For：
（1）Mud Nutrition Soil is that the sludge that becomes thoroughly decomposed is the sludge product processed through bar buttress formula turning aerobic fermentation, and its moisture content is
35%；
（2）Grass wadding is the tall grass wadding cradled in turf production maintenance processes, and grass wadding length is 4-6 cm, by stacking nature
The air-dried grass wadding of 6-8 month, its moisture content 15% are deposited under ventilation aerobic environment；
（3）Sawdust comes from the pine wood sawdust of wood-working factory, and its moisture content is 13%, at the sieving using the preceding mm of use diameter 5
Reason, removes stone cleaning, iron nail debris.
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