CN101880185A - Application of mixed and compounded turf matrix in promoting growth of festuca arundinacea of lawn plants - Google Patents
Application of mixed and compounded turf matrix in promoting growth of festuca arundinacea of lawn plants Download PDFInfo
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Abstract
The invention relates to application of a mixed and compounded turf matrix in promoting growth of festuca arundinacea of lawn plants. The germination percentage, the growth height, the single plant net photosynthesis amount, the dry and fresh ratio, and indexes of chlorophyll A, chlorophyll B, carotenoid and the like in the cytochrome are measured and compared, results show that crushed Chinese white poplar bits and fined life refuse are compounded to be beneficial to the growth of the festuca arundinacea, all indexes are remarkable and higher than those of a contrast group, wherein the ratios of 28+2, 27+3, 26+4 and 25+5 are relatively better. It proves that the compounded raw materials can improve the property of the matrix, have a certain nutrition function, and ensure that the turf matrix and the root system of the lawn plants have better bonding effect.
Description
Technical field
The invention belongs to environmental protection technical field, relate to reasonable, the safe handling method of producing fertilizer from refuse in daily life.A kind of compounded turf matrix that mixes assembly say so more specifically in the application that promotes aspect the lawn plant growth of Festuca elata.
Background technology
In recent years, along with growth in the living standard, the recycling of domestic refuse has become the focus in the most promising field and research in the environment protection with utilizing problem again.Along with improving constantly of people's living standard, the quantity of domestic refuse also increases accordingly, therefore caused that a large amount of rubbish is irrational to be stacked in the edge in city and can to take a large amount of land resources, not only be unfavorable for the attractive in appearance of city but also HUMAN HEALTH is brought extremely adverse influence.
Domestic refuse is applied to the plantation of turfgrass, and the space that both having helped beautifies the environment depends on us for existence improves, and can reach the purpose of the recovery and the utilization of domestic refuse again.Simultaneously, domestic refuse is applied to the plantation on lawn, but can also save out a large amount of anthropogenic soils, agroecosystem is bought go to pot.But domestic refuse has the shortcoming of himself, and the growth on lawn is had its adverse influence.By carrying out assembly, can weaken the influence of rubbish itself to grass with other materials.In addition, because assembly matrix has water retention, can reduce the total water amount, reach water-saving purpose.And have certain nutrient, can self provide nutritive substance.Under northern China arid, semiarid weather, the growth of lawn plant has very big realistic meaning.Therefore, which kind of selects for use join material and rubbish carries out assembly, which kind of ratio to carry out assembly, the relation of domestic refuse between the situation of the growth of the application of lawn matrix and lawn plant had crucial meaning according to.
At present, producing fertilizer from refuse in daily life has certain report as the research that matrix is used for turf establishment.In addition, the thick compost of undressed domestic waste is used existing report in the drought resisting of lawn, but poor effect does not tackle the problem at its root.From existing research, research for garbage compost in the past focuses mostly in the integral body utilization of thick compost, if extensive like this way prolonged application in the growth of soil or plant, not only can be destroyed the microenvironment of soil, and also be disadvantageous for improving efficiency of resource.If consumer garbage compost is handled the different particle diameter of formation through pulverizer, thereby remove the too much objectionable impurities of accumulation in some particle diameter of compost, be left the compost particle that plant-growth provides nutrient and improves soil physico-chemical property, treated compost is used for the lawn resisting drought saving water, can bring into play organic matter and the abundant advantage of nutritive element in the specific particle of compost, regulate the physical structure of soil, reach the optimization soil physico-chemical property, the effect of improving the soil.
In view of the foregoing, the inventor carried out utilize garbage waste material carry out the ecological engineering of environment that carpet turf produces research (growth parameter(s) of consumer garbage compost and garden mould matrix turf planting system compares for Zhao Shulan, many upright peaces etc. ecological magazine, 2008,27; With the consumer garbage compost is the waste lapping turf planting research of matrix. northwest Botany Gazette, 2007,27).These studies show that: consumer garbage compost is from the angle of plant-growth nutritional needs, can satisfy the requirement of plant-growth, but maximum problem is: the garbage compost quality is loose, this makes matrix be difficult to combine with the lawn plant root system, and such result also makes this technology obtain to use in practice, that is to say that this technical bottleneck can't break through, just mean that this good idea just will lay aside and neglect forever.And in order to solve this key issue, the inventor has launched to utilize beanstalk again, and the research that utilizes linden and birch blended sawdust wood chip etc. and producing fertilizer from refuse in daily life assembly lawn matrix, purpose so that the matrix of garbage compost assembly can combine with the lawn plant root system well.These results of study show: 1. when utilizing beanstalk and producing fertilizer from refuse in daily life assembly lawn matrix, the lawn plant early growth period has performance { Lian Fei preferably, Zhao Shulan, many upright peaces, producing fertilizer from refuse in daily life (sieving) and the compound ecology response of beanstalk as lawn matrix and lawn plant with 200 mesh sieves, agricultural environment science journal, 2007,26) }, but the lawn plant growth later stage, when needing lawn plant to set up heavy root system, root growth is suppressed, this phenomenon analogue also once occurred, as the restraining effect of plant residue to certain class plant in other researchs, its mechanism complexity, this may be relevant with allelopathy, and in addition, the consumer garbage compost matrix that 200 mesh sieves sieve still has the as easy as rolling off a log imagination that splits away off from the root system of plant; And this result of study is finally indicating, utilizes the technological line of crop material and producing fertilizer from refuse in daily life (sieving with 200 mesh sieves) assembly lawn matrix may be difficult to work.2. ought utilize linden and birch blended sawdust wood chip and producing fertilizer from refuse in daily life (sieving) assembly lawn matrix (many upright peaces with 200 mesh sieves, Zhao Shulan, domestic refuse is produced carpet turf ecological engineering of environment matrix apolegamy research, Chinese Journal of Applied Ecology, 2000,11); Also occurred with the result of " when utilizing beanstalk and producing fertilizer from refuse in daily life assembly lawn matrix " appearance similar, its mechanism is unknown, and this result of study equally also shows, utilizes the blended sawdust wood chip etc. and the way of producing fertilizer from refuse in daily life (sieving with 200 mesh sieves) assembly lawn matrix may be difficult to work.
In a word, above-mentioned series of studies result gives us a conclusion: solve the loose problem of garbage compost quality if can not find, also just can't solve the difficult problem that combines with the lawn plant root system of matrix; If can not find the material of joining of suitable garbage compost lawn matrix equally, the performance of matrix also can't be improved.The utilisation technology of garbage compost in the mechanism of lawn also just can't obtain to use in practice.As if in a word, because above-mentioned when utilizing beanstalk and producing fertilizer from refuse in daily life assembly compounded turf matrix, effect is not good, and it is impracticable having provided and having utilized the road of stalk assembly garbage compost compounded turf matrix.
Summary of the invention
At this situation, the present invention is the basis of the brand-new ecological engineering of environment that combines with afforestation project with refuse treatment engineering, has important significance for theories and actual application value.The present invention is intended to find out best proportioning, for the life spam application provides material in compounded turf matrix.The invention discloses following technical scheme for achieving the above object:
Mix the application of compounded turf matrix aspect promotion lawn plant growth of Festuca elata of assembly; Wherein the blended compounded turf matrix is that the crushed material of little fertilizer of 300nm rubbish and Cortex Populi Tomentosae wood chip is assembly in 28: 2,27: 3,26: 4 with ratio of weight and number.
Application of the present invention, the little fertilizer of 300nm rubbish wherein is meant: garbage compost is removed foreign material dry to constant weight under 105 ℃ of conditions, sieve out the compost of 1700nm particle diameter, then 1700nm particle diameter compost is pulverized down at 24000 rev/mins, prepare the little fertilizer of particle diameter 300nm rubbish.
Application of the present invention, growth of Festuca elata wherein refer to the variation of plant height, net photosynthesis amount.
The present invention further discloses the application of compounded turf matrix aspect promotion lawn plant tall fescue seed percentage of germination that mixes assembly; Wherein the blended compounded turf matrix is that the crushed material and the little fertilizer of 300nm rubbish of Cortex Populi Tomentosae wood chip are assembly in 1: 9 with ratio of weight and number.
The present invention further discloses the application of compounded turf matrix aspect raising garbage compost and Festuca Arundinacea root system cohesiveness that mixes assembly; Wherein the blended compounded turf matrix is that the crushed material of little fertilizer of 300nm rubbish and Cortex Populi Tomentosae wood chip is assembly in 26: 4,25: 5 with ratio of weight and number.
Of the present invention discovering: the domestic refuse of will becoming thoroughly decomposed is carried out conventional processing, dries to constant weight under 105 ℃ of conditions then, sieves out the compost of 1700nm particle diameter.1700nm particle diameter compost is pulverized down at 24000 rev/mins, and the time is respectively 3min, to prepare the little fertilizer of 300nm rubbish of particle diameter.The crushed material that utilizes fine producing fertilizer from refuse in daily life particle diameter to add a certain amount of Cortex Populi Tomentosae wood wood chip can promote the growth of lawn plant (Festuca Arundinacea), illustrates that this joins material and can improve the performance of matrix and have certain nutrition effectiveness.It is of the present invention that method is as follows down:
1 materials and methods
Grass seeds:
Select one of common grass seeds of northern China-Festuca Arundinacea (Festuca Arundinacea) matrix for use: the domestic refuse of becoming thoroughly decomposed more than 4 years of selecting the little shallow lake of Beichen District, Tianjin destructor plant.Join material: wood chip is the wood chip of Cortex Populi Tomentosae, from the mixing wood sawdust of wood-working factory.
1.2 experimental technique
1.2.1 matrix assembly
At first, sieve, filter, the rubbish bulk that screens out is smashed the multiple sieve in back, the composition in the rubbish is utilized effectively with hammer with 200 purpose sieves with 200 mesh sieves with carrying out drying to constant weight more than 8 hours after the soil block crushing bigger in the rubbish.Test used compost and remove foreign material such as wherein each class wood, plastics, glass, metal earlier, under 105 ℃ of conditions, dry then, sieve out the compost of 1700nm particle diameter to constant weight.1700nm particle diameter compost is pulverized down at 24000 rev/mins, and the time is respectively 3min, preparing the little fertilizer of 300nm rubbish of particle diameter, and with S4800 field emission scanning electron microscope (S4800, JAPAN) fine producing fertilizer from refuse in daily life particle size analysis.
Obtain the little fertile particle of 300nm rubbish of particle diameter at last.And pulverize completely putting into pulverizer after the wood chip oven dry, pulverize the back as join material with matrix with join material and in diameter is the culture dish of 10cm, carry out assembly with 30g+0g, 29+1,28+2,27+3,26+4,25+5,24+6, uniform mixing respectively, be that control group (CK) is studied with the untreated compost of 30g.Repeat 3 times.
1.2.2 sowing
100 seeds are sprinkling upon in each assembly matrix uniformly, are placed on the biological culture platform and cultivate, natural ventilation, unification is quantitatively watered, till finishing to experiment.Measure temperature, humidity every day, temperature is 18.5～28 ℃, and relative humidity is 23～66%.Cradle after about 28 days.
1.3 data determination
1.3.1 germination rate
Measure it sprout number every day from the seed germination.Measure germination rate when cradling once more.Germination rate=(sprouting number/seed number) * 100%
With three average germination rates of multiple is the germination rate of this ratio.
1.3.2 plant height
Adopting white line decide to choose after the certain altitude (10mm) that the strain method treats seed growth growth three strains preferably decide strain and carries out the height measurement and once measure for the last time when cradling every measurement on the 3rd.The center line average of this three strain is the center line average in this culture dish.
1.3.3 pigment concentration
Growing cradles behind 26 fates, at first carries out weighing, measures gross weight, chooses 0.1g afterwards and carries out chlorophyllous extraction as sample with the fresh weight method, carries out the mensuration of cytopigment concentration again with 7220 type spectrophotometers.Because chlorophyll a, chlorophyll b and carotenoid have maximum absorption at 663nm, 645nm and 440nm respectively.
According to the Lambert-Beer law:
C
a＝12.7A
663-2.69A
645
C
h＝22.9A
645-4.68A
645
C
k＝4.7A
440-0.27(C
a+C
b)
Can draw the content (mg/1) of cytopigment.Then multiply by 25*10 with gained concentration
-3/ 0.1 can get desired concn c (mg/g).With three multiple average color cellulose contents is the pigment content of this ratio.
1.3.4 fresh and dried ratio
The aluminium that remaining Festuca Arundinacea is put into correspondence markings closes under 105 ℃ of conditions about 8 hours of oven dry can be to constant weight.Weighing is carried out in taking-up after treating constant weight, can draw its fresh and dried ratio:
Fresh and dried ratio=(dry weight/fresh weight) * 100%
1.3.5 per day individual plant net photosynthesis amount
After the mensuration of chlorophyll concentration, the careless sample of remainder is dried.Strain number and fresh and dried ratio, Cao gross dry weight as can be known according to the residue grass.Gross dry weight=fresh and dried than the total fresh weight of *.Total strain number according to grass can get again: the mitogenetic general material quantity of individual plant net photosynthesis amount=overground part/total strain number.
Can get per day net photosynthesis amount by the individual plant net photosynthesis amount and the ratio on growth date.
Be the mitogenetic general material quantity of per day net photosynthesis amount=overground part/(* growth fate is counted in total strain).(the growth fate is for beginning to sprout the fate to cradling certainly).With three average per day net photosynthesis amounts of multiple is the per day net photosynthesis amount of this ratio.
1.4 the viscosifying power of the matrix of turf and lawn plant root system is measured
After treating that index determining finishes, proceed the cultivation management of turf, and normal feedwater, behind cutification, carry out the mensuration of the viscosifying power of the matrix of turf and lawn plant root system again.
The viscosifying power of the matrix of its turf and lawn plant root system can represent that its formula is with caking ability (%):
C＝(M2/M1)×100％
C is a caking ability in the last examination, and its value is big more, and the matrix of expression turf and the viscosifying power of lawn plant root system are just strong more; Weight when M1 represents the turf peeling; M2 throws on 3 meters high carrier vehicles after representing the turf peeling, by carrier vehicle turf is thrown ground again, the be scattered weight of turf after the matrix of turf.
2. result and analysis
2.1 the analysis of seed germination rate
Seed germination is the basic prerequisite of plant-growth, and whether matrix is suitable for plant-growth at first just should show whether whether this matrix can make the seed germination of plant, reach bigger germination rate.This test at first shows the influence (see Table 1) of different substrates to germination rate
The average germination rate (%) of table 1 different substrates
| ??ck | ??29+1 | ??28+2 | ??27+3 | ??26+4 | ??25+5 | ??24+6 |
| ??46.33a | ??72.00a | ??75.33b | ??81.67b | ??78.00b | ??56.67a | ??46.67a |
(carrying out the F check) in 0.05,0.01 level
As can be seen from the table above, in four in the substratum, when sprouting reaches steady state: at wood chip is to join under the situation of material, as can be known in control group plant growth state the poorest and in 27+3, grow best.It is carried out variance analysis utmost point significant difference (p＞0.01) is arranged.Through multiple comparisons, compare 28+2,27+3,26+4 all has than big-difference and shows that thus joining material has water retention with control group, but has certain influence to add the too much very few sprouting that all influences seed to ventilation property.
2.2 the analysis of plant height
Whether assembly matrix is fit to the growth of plant, also will see the situation that plant grows on this matrix, and plant height then is the important indicator of vegetation growth state.With wood chip for joining material: 24+6＞25+5＞26+4＞27+3＞28+2＞29+1＞ck.Wherein 29+1,28+2,27+3,26+4,25+5, growth are 26,24+6, growth 25 days, ck growth 24 days.Through check utmost point significant difference (p＞0.01) is arranged, illustrate under situation about sprouting, add the amount and the plant height of joining material and be proportionate.Shown that joining material has nutrient and water-retentivity, helps the growth of Festuca Arundinacea.
2.3 the analysis of pigment content in the plant
Pigment in the Festuca Arundinacea mainly comprises Chlorophylls and Carotenoids, and wherein chlorophyll has important effect to its photosynthesis.Being coenzyme essential in the photophosphorylation, is one of important indicator of determining vegetation growth state.Below be the concrete content (see Table 2) of Festuca Arundinacea in different assembly matrix.
Chlorophyllous average content in table 2 different substrates (mg/g FW)
| Chlorophyll | ??ck | ??29+1 | ??28+2 | ??27+3 | ??26+4 | ??25+5 | ??24+6 |
| ??a | ??0.34a | ??0.92b | ??1.08b | ??0.52a | ??0.22a | ??0.20a | ??0.16a |
| ??b | ??0.25a | ??0.40b | ??0.41b | ??0.26a | ??0.16a | ??0.16a | ??0.13a |
Content of carotenoid in table 3 different substrates (mg/g FW)
| ??ck | ??29+1 | ??28+2 | ??27+3 | ??26+4 | ??25+5 | ??24+6 |
| ??0.19 | ??0.20 | ??0.20 | ??0.19 | ??0.17 | ??0.17 | ??0.14 |
We can significantly find out from top form: with wood chip is to join material through the content of check chlorophyll a, chlorophyll b utmost point evident difference (p＞0.01) to be arranged, wherein best with 28+2, content of carotenoid no significant difference (p＜0.05)
2.4 net photosynthesis quantitative analysis (0.0001g/ strain)
Per day net photosynthesis amount has reflected it is how much organic that Festuca Arundinacea is produced every day, reflected the utilization of plant for moisture indirectly, is the important indicator of vegetation growth state.With wood chip for joining material: wherein, per day individual plant net photosynthesis amount is a maximum in the proportioning with 24+6, and control group is minimum.Through check utmost point significant difference (p＞0.01) is arranged, show that this water-retentivity of joining material is stronger.Individual plant net photosynthesis amount is all apparently higher than control group under the situation of joining the timber bits of adding more (24+6,25+5,26+4) to show the net photosynthesis amount, and growth of Festuca elata got comparatively vigorous after therefrom material was joined in adding as can be seen.
2.5 the viscosifying power analysis of the matrix of turf and lawn plant root system
By following table as can be seen, in the combination more than 28+2, the caking ability of the matrix of turf and lawn plant root system can divide and reaches more than 80.4%, shows that the matrix of rubbish turf and the viscosifying power of lawn plant root system have reached higher level.
The caking ability of the matrix of table 4 turf and lawn plant root system (%)
| ??ck | ??29+1 | ??28+2 | ??27+3 | ??26+4 | ??25+5 | ??24+6 |
| ??60.3 | ??76.01 | ??81.6 | ??85.8 | ??87.7 | ??93.5 | ??94.2 |
3 development conclusions
Adding its sprouting behind the wood chip, growth, net photosynthesis amount, all to be higher than the control group proportioning of taking it as a whole the most suitable with 28: 2,27: 3,26: 4, adds too much to cause chlorophyllous content obviously to descend.Therefore, generally speaking, add the growth that a certain amount of wood chip can promote lawn plant (Festuca Arundinacea) in the domestic refuse of becoming thoroughly decomposed, it is comparatively reasonable that these three kinds proportionings of joining material and domestic refuse should be controlled between 2: 28 to 5: 25.Illustrate that joining material for these three kinds can improve the water retention property of matrix and have certain nutrition effectiveness.
Embodiment:
For simple and purpose clearly, hereinafter appropriate omission the description of known technology, in order to avoid those unnecessary details influences are to the description of the technical program.The present invention is described further below in conjunction with example.
Embodiment 1
At first, sieve, filter, the rubbish bulk that screens out is smashed the multiple sieve in back, the composition in the rubbish is utilized effectively with hammer with 200 purpose sieves with 200 mesh sieves with carrying out drying to constant weight more than 8 hours after the soil block crushing bigger in the rubbish.Test used compost and remove foreign material such as wherein each class wood, plastics, glass, metal earlier, under 105 ℃ of conditions, dry then, sieve out the compost of 1700nm particle diameter to constant weight.1700nm particle diameter compost is pulverized down at 24000 rev/mins, and the time is respectively 3min, preparing the little fertilizer of 300nm rubbish of particle diameter, and with S4800 field emission scanning electron microscope (S4800, JAPAN) fine producing fertilizer from refuse in daily life particle size analysis.
Mix assembly: the crushed material of Cortex Populi Tomentosae wood chip and the little fertilizer of 300nm rubbish are assembly in 1: 5 with ratio of weight and number.100 seeds are sprinkling upon in the aglucon matter uniformly, are placed on the biological culture platform and cultivate, natural ventilation, unification is quantitatively watered, till finishing to experiment.Measure temperature, humidity every day, temperature is 22 ℃, and relative humidity is 45%.Cradle after about 28 days, measure the variation of plant height, net photosynthesis amount.
Embodiment 2
Mix assembly: the crushed material of Cortex Populi Tomentosae wood chip and the little fertilizer of 300nm rubbish are assembly in 1: 6 with ratio of weight and number.100 seeds are sprinkling upon in the aglucon matter uniformly, are placed on the biological culture platform and cultivate, natural ventilation, unification is quantitatively watered, till finishing to experiment.Measure temperature, humidity every day, temperature is 23 ℃, and relative humidity is 56%.Cradle after about 28 days, measure rate of emergence.And the variation of plant height, net photosynthesis amount.
Embodiment 3
Mix assembly: the crushed material of Cortex Populi Tomentosae wood chip and the little fertilizer of 300nm rubbish are assembly in 1: 13 with ratio of weight and number.100 seeds are sprinkling upon in the aglucon matter uniformly, are placed on the biological culture platform and cultivate, natural ventilation, unification is quantitatively watered, till finishing to experiment.Measure temperature, humidity every day, temperature is 23 ℃, and relative humidity is 56%.Cradle after about 28 days, measure.
Embodiment 4
Mix assembly: the crushed material of Cortex Populi Tomentosae wood chip and the little fertilizer of 300nm rubbish are assembly in 1: 5.5 with ratio of weight and number.100 seeds are sprinkling upon in the aglucon matter uniformly, are placed on the biological culture platform and cultivate, natural ventilation, unification is quantitatively watered, till finishing to experiment.Measure temperature, humidity every day, temperature is 23 ℃, and relative humidity is 56%.Cradle after about 28 days, measure the matrix of turf and the caking ability of lawn plant root system.
Claims (5)
1. mix the application of compounded turf matrix aspect promotion lawn plant growth of Festuca elata of assembly; Wherein the blended compounded turf matrix is that the crushed material of little fertilizer of 300nm rubbish and Cortex Populi Tomentosae wood chip is assembly in 28: 2,27: 3,26: 4 with ratio of weight and number.
2. the described application of claim 1, the little fertilizer of 300nm rubbish wherein is meant: garbage compost is removed foreign material dry to constant weight under 105 ℃ of conditions, sieve out the compost of 1700nm particle diameter, then 1700nm particle diameter compost is pulverized down at 24000 rev/mins, prepare the little fertilizer of particle diameter 300nm rubbish.
3. the described application of claim 1, growth of Festuca elata wherein refer to the variation of plant height, net photosynthesis amount.
4. mix the application of compounded turf matrix aspect promotion lawn plant tall fescue seed percentage of germination of assembly; Wherein the blended compounded turf matrix is that the crushed material and the little fertilizer of 300nm rubbish of Cortex Populi Tomentosae wood chip are assembly in 1: 9 with ratio of weight and number.
5. mix the application of compounded turf matrix aspect raising garbage compost and Festuca Arundinacea root system cohesiveness of assembly; Wherein the blended compounded turf matrix is that the crushed material of little fertilizer of 300nm rubbish and Cortex Populi Tomentosae wood chip is assembly in 26: 4,25: 5 with ratio of weight and number.
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|---|---|---|---|---|
| CN104838754A (en) * | 2015-04-20 | 2015-08-19 | 天津师范大学 | Method adopting drought-enduring enhancement active nanometer garbage compost for regulating turf grass protective enzyme under drought stress |
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|---|---|---|---|---|
| CN1256857A (en) * | 1999-11-20 | 2000-06-21 | 胡立明 | Plant growing nutrient base material and the method for cultivating sedum lineare Thunb on roof by using same |
| CN1860843A (en) * | 2006-06-16 | 2006-11-15 | 天津师范大学 | Substrate for grawing urban carpet sward and its prepn. method |
| CN101341832A (en) * | 2008-09-01 | 2009-01-14 | 天津师范大学 | Method for grassplot base material employing consumer waste compost with different grain diameter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1256857A (en) * | 1999-11-20 | 2000-06-21 | 胡立明 | Plant growing nutrient base material and the method for cultivating sedum lineare Thunb on roof by using same |
| CN1860843A (en) * | 2006-06-16 | 2006-11-15 | 天津师范大学 | Substrate for grawing urban carpet sward and its prepn. method |
| CN101341832A (en) * | 2008-09-01 | 2009-01-14 | 天津师范大学 | Method for grassplot base material employing consumer waste compost with different grain diameter |
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| CN104838754A (en) * | 2015-04-20 | 2015-08-19 | 天津师范大学 | Method adopting drought-enduring enhancement active nanometer garbage compost for regulating turf grass protective enzyme under drought stress |
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