CN105103870A - Method for improving drought resistance of seashore paspalum - Google Patents
Method for improving drought resistance of seashore paspalum Download PDFInfo
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- CN105103870A CN105103870A CN201510516179.0A CN201510516179A CN105103870A CN 105103870 A CN105103870 A CN 105103870A CN 201510516179 A CN201510516179 A CN 201510516179A CN 105103870 A CN105103870 A CN 105103870A
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- seashore paspalum
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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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
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
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Abstract
The invention relates to the field of lawn grass resistance physiology, in particular to a method for improving drought resistance of seashore paspalum. The method comprises the specific steps that a water-retaining agent is applied in soil of a lawn where seashore paspalum is planted, and mixed liquor is sprayed on the surfaces of seashore paspalum leaves after the seashore paspalum lawn is formed, wherein the mixture liquor per liter comprises, 0.01-0.05 mg of 2,4-epibrassinolide, 50-100 mg of humic acid and 1.0-3.0 g of monopotassium phosphate. The method for improving the drought resistance of the seashore paspalum is easy to implement, can produce effects rapidly, and can improve the drought resistance of the seashore paspalum within a short time. Meanwhile, the using amount of various materials is small, so that no secondary pollution is produced to environment; under drought conditions, after the method is adopted, the volumetric water content of soil can be improved by 1-2 times, and the good lawn viewing value of the seashore paspalum is kept.
Description
Technical field
The present invention relates to resistance of turfgrass physiological field, particularly a kind of method improving seashore paspalum drought resistance.
Background technology
China is a water resource country that there is a serious shortage in the supply per capita, especially in north arid, semiarid zone.Meanwhile, in moistening and semi-humid southern area, the inhomogeneities due to precipitation also there will be periodically, seasonal or provisional arid.In recent years, along with rapid development of economy, the Rapid Expansion in city, and the raising gradually that people require quality of life, city's green areas is also increasing year by year, and becoming increasingly conspicuous along with city water resource imbalance between supply and demand, green grassland irrigation water is also restricted gradually.Water is one of necessary requirement of Turfgrass Growth, and drought stress not only can affect the level ground appearance quality of turfgrass, also can make its morphosis and physiological metabolism that corresponding change occurs, even can cause lawn Large Scale Death time serious.
Seashore paspalum is that one is subordinate to perennial warm-season herbal plant gramineous, is distributed widely in subtropical and tropical zones.Because its level ground appearance quality is graceful, pole salt tolerant comparatively strong to soil suitability, the feature such as adverse environmental factor of various complexity can be adapted to, be widely used in the turf establishment of urban afforestation, golf course.In recent years, the seasonal drought that southern area takes place frequently have impact on its planting and level ground appearance quality to a certain extent.
At present, improve the conventional method of turf grass drought resistance mainly to comprise the rational application of fertilizer, drought resisting exercise, cultivate the approach such as drought-resistant variety and spray plant growth regulator (as gibberellin, abscisic acid, paclobutrazol, salicylic acid).Simultaneously, all there is certain shortcoming in said method, it is longer that the such as rational application of fertilizer and drought resisting temper treatment cycle, cultivate drought-resistant variety process comparatively complicated, need a large amount of manpower financial capacities, and spray the general and growth regulator of variety classes, variable concentrations of single plant growth regulator drought resisting effect to improving differing greatly of drought resistance.
Find through retrieval, publication number is that the application for a patent for invention of CN101953337A discloses a kind of plant growth regulator composition and application thereof, said composition is with 2,4-epi-brassinolide is active component, the amount ratio of 2,4-epi-brassinolide, second alcohol and water is 1 ~ 25mg:0.2 ~ 1ml:100L, and this plant growth regulator composition can improve the growth of cucumber under salt stress, promote the accumulation of overground part and underground part biomass, for Saline Region cucumber production provides safeguard.
Publication number is that the application for a patent for invention of CN103304314A discloses a kind of Biological compound preparation improving tobacco upper tobacco leaf yield and quality, mainly comprises Zinc vitriol, bitter salt, boric acid, potassium citrate, potassium nitrate, selenium dioxide, humus, neopelex, epi-brassinolide.
Therefore, process seashore paspalum in conjunction with the rational application of fertilizer, soil melioration and multiple allogenic material, for the drought resistance and the water use efficiency that improve seashore paspalum, saving water resource, promotes that the sustainable development of construction of city afforestation is significant.
Summary of the invention
The object of this invention is to provide a kind of method improving seashore paspalum drought resistance.
For achieving the above object, the following technical scheme of concrete employing:
A kind of method improving seashore paspalum drought resistance, comprise the following steps: in the soil of planting seashore paspalum lawn, apply water-loss reducer, after seashore paspalum lawn Cheng Ping, ditch millet foliage-spray mixed liquor by the sea, described mixed liquor comprises 2 of 0.01 ~ 0.05mg/L, 4-epi-brassinolide, the humic acid of 50 ~ 100mg/L, the potassium dihydrogen phosphate of 1.0 ~ 3.0g/L.
More concrete, the present invention improves the method for seashore paspalum drought resistance, comprises the following steps:
(1) wholely, base manure is applied;
(2) add water-loss reducer in the soil after applying base manure, and water-loss reducer is fully absorbed water;
(3) planting seashore paspalum lawn;
(4) after seashore paspalum lawn Cheng Ping, ditch millet foliage-spray mixed liquor by the sea, described mixed liquor comprises 2, the 4-epi-brassinolides of 0.01 ~ 0.05mg/L, the humic acid of 50 ~ 100mg/L, the potassium dihydrogen phosphate of 1.0 ~ 3.0g/L.
In the inventive solutions, in step (1) wholely, apply the technological means that base manure is this area routine, concrete, comprise chemical subtraction, artificial removal of impurities wholely, turn over, the step to disinfecting soil can also be comprised in addition.
In the inventive solutions, one or more in fertilizer, composite fertilizer chosen by described base manure.Wherein fertilizer and composite fertilizer all can select commercially available all products, such as thunder power fertilizer, Scotts composite fertilizer, Stanley composite fertilizer, the chicken manure etc. that becomes thoroughly decomposed.
In the inventive solutions, composite fertilizer preferably adopts Di Dan rich phosphorus and potassium composite fertilizer.Wherein, low nitrogen can avoid the overgrowing of lawn blade, and then reduces moisture evaporation, and rich phosphorus and potassium can promote tillering of the growth of lawn underground part and overground part, improves the resistance of turfgrass.
Concrete, the sowing amount of described fertilizer is generally 200 ~ 300g/m
2; The sowing amount of composite fertilizer is 100 ~ 150g/m
2.Sowing amount too much can cause waste, and increase cost, sowing amount is crossed and do not reached effect at least, and therefore the kind of base manure and sowing amount to a certain degree can affect drought resistance, but are not key factor.
In the inventive solutions, step (2) needs water-loss reducer to apply in the thick soil of top layer 5 ~ 10cm, and amount of application is 20 ~ 40g/m
2.Preferably, the amount of application of water-loss reducer is 30g/m
2, now effectively can improve soil moisture content, increase the gas permeability of soil, improve root system environment, promote the growth of lawn root system.
The present invention can select water-loss reducers all in prior art, water-loss reducer also can be described as super absorbent resin, water-loss reducer composition is in the market substantially identical, be acrylamide and acrylic acid salt crosslinking copolymerization thing, the positive energy water-loss reducer that such as Linyi Wo Hua biotechnology Co., Ltd produces, the god of Shen Run bio tech ltd, Henan moisten the board water-loss reducer gloomy alive of water-loss reducer, Zhengzhou Zheng Shi Chemical Co., Ltd..
The water-loss reducer that makes in step (2) fully absorbs water as the technical term of this area, refers to add water-loss reducer in soil after, waters sufficient water, until there is a large amount of water to flow out.
The planting of step (3) seashore paspalum lawn can adopt all technical schemes of the prior art, and such as seashore paspalum carries out sodding with the divot of Cheng Ping or to sow planting.Seeding quantity is 5 ~ 8g/m
2, the sowing time was advisable to early summer with spring Mo, after planting suppression of soil, and adopted non-textile mulch.
In step (4), preferably, described mixed liquor comprises 2, the 4-epi-brassinolides of 0.02 ~ 0.04mg/L, the humic acid of 60 ~ 90mg/L, the potassium dihydrogen phosphate of 1.5 ~ 2.5g/L, now can reduce lawn Transpiration, improve soil volumetric water content, strengthen activities of antioxidant enzymes, multiple Physiological and Biochemical Metabolism approach relevant to drought resisting in activated plant body, makes the acceptable level ground appearance quality that seashore paspalum keeps good.
As preferred forms of the present invention, described mixed liquor comprises 2, the 4-epi-brassinolides of 0.03mg/L, the humic acid of 75mg/L, the potassium dihydrogen phosphate of 2.0g/L.
Concrete, opportunity of ditch millet foliage-spray mixed liquor and mode are by the sea: occur first 5 ~ 7 days in arid, spray once, need spray 3 ~ 4 times altogether every 1 ~ 2 day; Preferably, occur first 5 days in arid, sprayed once every 1 day, 3 times need be sprayed altogether.The amount of spraying is moistening but do not drip and be advisable with blade face.Noting when spraying avoiding spraying in rainfall sky, being advisable without spraying during dew with morning or dusk blade face.
The method of raising seashore paspalum drought resistance provided by the invention is simple, and instant effect can improve the drought resistance of seashore paspalum at short notice; Meanwhile, various substance migration amount is lower, can not produce secondary pollution to environment; Under drought condition, after using the method, soil volumetric water content can be made to improve 1 ~ 2 times, make the level ground appearance quality that seashore paspalum keeps good.
Accompanying drawing explanation
Fig. 1 is the soil moisture content of seashore paspalum under different disposal in embodiment 1;
Fig. 2 is the level ground appearance quality of seashore paspalum under different disposal in embodiment 1.
Embodiment
Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Embodiment 1
The present embodiment is the method improving seashore paspalum drought resistance, specifically comprises the following steps:
(1) site preparation and fertilization: seashore paspalum lawn sods first 2 weeks, weed killer herbicide (Xian Zhengda group) is used to carry out chemical subtraction, after 4 days, artificial removal of impurities carried out to level ground bed and turn over, the various foreign material such as brick, stone, tree root in the bed of cleaning level ground, pine rake soil, and use the ferrous sulfate of 3% (Bo Di chemical inc, Tianjin) with the consumption of every square meter 0.5 kilogram to disinfecting soil, use sufficient base manure, base fertilizer mainly includes machine fertilizer (thunder power fertilizer, consumption 250g/m
2) and Di Dan rich phosphorus and potassium composite fertilizer (Scotts composite fertilizer, 9-14-19, consumption 120g/m
2).
(2) water-loss reducer is applied: behind whole good ground, apply acrylamide and acrylic acid salt crosslinking copolymerization thing water-loss reducer (positive energy that Linyi Wo Hua biotechnology Co., Ltd produces), the soil that water-loss reducer is thick with top layer 10cm mixes, and consumption is 30g/m
2, water sufficient water after executing, water-loss reducer fully absorbed water;
(3) turf establishment: seashore paspalum is sodded with the divot of Cheng Ping, inserts fine earth at finedraw and gap after sodding, roll extrusion, waters permeable, and keeps ground moistening, can take root growth and fast rapid-result level ground;
(4) mixed solution is sprayed: after sodding lawn and again taking root and grow into level ground, first 5 days are occurred in arid, in the morning or at dusk blade face is without dew time, adopt sprayer to seashore paspalum foliage-spray mixed solution, 1 time is sprayed every 1 day, spray 3 times altogether, the amount of spraying is moistening but do not drip and be advisable with blade face, mixed solution main component comprises 2 of 0.03mg/L, 4-epi-brassinolide (Sigma), the humic acid (Sigma) of 75mg/L, the potassium dihydrogen phosphate (Bo Di chemical inc, Tianjin) of 2.0g/L.
In order to verify that embodiment 1 improves the validity of the method for seashore paspalum drought resistance, respectively following three kinds of process are carried out to seashore paspalum lawn:
CK: management 21 days of normally watering;
D: Continuous Drought process 21 days;
D+T: Continuous Drought process 21 days, but carried out corresponding process according to the mode of embodiment 1 before arid starts, concrete processing mode is: before turf establishment basin at the middle and upper levels 10cm soil with 30g/m
2consumption application of water-loss reducer and sprayed 3 mixed solutions respectively in 5 days, first 3 days, first 1 day before Osmotic treatment starts.
Within 21st day, conventionally soil moisture content test is carried out at Osmotic treatment, the result obtained as shown in Figure 1, as shown in Figure 1, mixed solution is sprayed by what use water-loss reducer and short time, compared with not taking the seashore paspalum of any measure, soil moisture content significantly improves (1.27 times).
At the Osmotic treatment seashore paspalum level ground appearance quality of the 21st day as shown in Figure 2, as shown in Figure 2, spray mixed solution by what use water-loss reducer and short time, compared with not taking the seashore paspalum of any measure, seashore paspalum maintains good level ground appearance quality.
Embodiment 2
The difference of the present embodiment and embodiment 1 is only, the composition of ditch millet foliage-spray mixed liquor is different by the sea, and the mixed liquor in the present embodiment comprises 2, the 4-epi-brassinolides of 0.02mg/L, the humic acid of 60mg/L, the potassium dihydrogen phosphate of 1.5g/L.
Meanwhile, in order to verify that embodiment 2 improves the validity of the method for seashore paspalum drought resistance, following process has been carried out to seashore paspalum lawn: before turf establishment basin at the middle and upper levels 10cm soil with 30g/m
2consumption application of water-loss reducer and sprayed 3 mixed solutions respectively in 5 days, first 3 days, first 1 day before Osmotic treatment starts.
Within 21st day, conventionally carry out soil moisture content test at Osmotic treatment, result is: soil volumetric water content improves 1.15 times compared with not taking the seashore paspalum of any measure.
Embodiment 3
The difference of the present embodiment and embodiment 1 is only, the composition of ditch millet foliage-spray mixed liquor is different by the sea, and the mixed liquor in the present embodiment comprises 2, the 4-epi-brassinolides of 0.04mg/L, the humic acid of 90mg/L, the potassium dihydrogen phosphate of 2.5g/L.
Meanwhile, in order to verify that embodiment 3 improves the validity of the method for seashore paspalum drought resistance, following process has been carried out to seashore paspalum lawn: before turf establishment basin at the middle and upper levels 10cm soil with 30g/m
2consumption application of water-loss reducer and sprayed 3 mixed solutions respectively in 5 days, first 3 days, first 1 day before Osmotic treatment starts.
Within 21st day, conventionally carry out soil moisture content test at Osmotic treatment, result is: soil volumetric water content improves 1.21 times compared with not taking the seashore paspalum of any measure.
Embodiment 4
The difference of the present embodiment and embodiment 1 is only, the composition of ditch millet foliage-spray mixed liquor is different by the sea, and the mixed liquor in the present embodiment comprises 2, the 4-epi-brassinolides of 0.01mg/L, the humic acid of 100mg/L, the potassium dihydrogen phosphate of 1.0g/L.
Meanwhile, in order to verify that embodiment 4 improves the validity of the method for seashore paspalum drought resistance, following process has been carried out to seashore paspalum lawn: before turf establishment basin at the middle and upper levels 10cm soil with 30g/m
2consumption application of water-loss reducer and sprayed 3 mixed solutions respectively in 5 days, first 3 days, first 1 day before Osmotic treatment starts.
Within 21st day, conventionally carry out soil moisture content test at Osmotic treatment, result is: soil volumetric water content improves 1.02 times compared with not taking the seashore paspalum of any measure.
Embodiment 5
The difference of the present embodiment and embodiment 1 is only, the composition of ditch millet foliage-spray mixed liquor is different by the sea, and the mixed liquor in the present embodiment comprises 2, the 4-epi-brassinolides of 0.05mg/L, the humic acid of 50mg/L, the potassium dihydrogen phosphate of 3.0g/L.
Meanwhile, in order to verify that embodiment 5 improves the validity of the method for seashore paspalum drought resistance, following process has been carried out to seashore paspalum lawn: before turf establishment basin at the middle and upper levels 10cm soil with 30g/m
2consumption application of water-loss reducer and sprayed 3 mixed solutions respectively in 5 days, first 3 days, first 1 day before Osmotic treatment starts.
Within 21st day, conventionally carry out soil moisture content test at Osmotic treatment, result is: soil volumetric water content improves 1.20 times compared with not taking the seashore paspalum of any measure.
Embodiment 6
The difference of the present embodiment and embodiment 1 is only, the time that the applies difference of mixed solution in step (4), first 7 days are occurred in the present embodiment in arid, in the morning or at dusk blade face is without dew time, adopt sprayer to seashore paspalum foliage-spray mixed solution, spray 1 time every 2 days, spray 3 times altogether.
Meanwhile, in order to verify that embodiment 6 improves the validity of the method for seashore paspalum drought resistance, following process has been carried out to seashore paspalum lawn: before turf establishment basin at the middle and upper levels 10cm soil with 30g/m
2consumption application of water-loss reducer and sprayed 3 mixed solutions respectively in 7 days, first 4 days, first 1 day before Osmotic treatment starts.
Within 21st day, conventionally carry out soil moisture content test at Osmotic treatment, result is: soil volumetric water content improves 1.12 times compared with not taking the seashore paspalum of any measure.
Embodiment 7
The difference of the present embodiment and embodiment 1 is only, in step (2), the sowing amount of water-loss reducer is different, and the sowing amount of water conservation is 20g/m in the present embodiment
2.
Meanwhile, in order to verify that embodiment 7 improves the validity of the method for seashore paspalum drought resistance, following process has been carried out to seashore paspalum lawn: before turf establishment basin at the middle and upper levels 10cm soil with 20g/m
2consumption application of water-loss reducer and sprayed 3 mixed solutions respectively in 5 days, first 3 days, first 1 day before Osmotic treatment starts.
Within 21st day, conventionally carry out soil moisture content test at Osmotic treatment, result is: soil volumetric water content improves 1.11 times compared with not taking the seashore paspalum of any measure.
Embodiment 8
The difference of the present embodiment and embodiment 1 is only, in step (2), the sowing amount of water-loss reducer is different, and the sowing amount of water conservation is 40g/m in the present embodiment
2.
Meanwhile, in order to verify that embodiment 8 improves the validity of the method for seashore paspalum drought resistance, following process has been carried out to seashore paspalum lawn: before turf establishment basin at the middle and upper levels 10cm soil with 40g/m
2consumption application of water-loss reducer and sprayed 3 mixed solutions respectively in 5 days, first 3 days, first 1 day before Osmotic treatment starts.
Within 21st day, conventionally carry out soil moisture content test at Osmotic treatment, result is: soil volumetric water content improves 1.25 times compared with not taking the seashore paspalum of any measure.
Comparative example 1
Comparative example 1 is only with the difference of embodiment 1, does not add water-loss reducer, namely in comparative example 1, do not comprise step (2) in comparative example 1.
Following process is carried out to seashore paspalum lawn: within 5 days, first 3 days, first 1 day before Osmotic treatment starts, sprayed 3 mixed solutions respectively.
Within 21st day, conventionally carry out soil moisture content test at Osmotic treatment, result is: soil volumetric water content improves 0.78 times compared with not taking the seashore paspalum of any measure.
Comparative example 2
Comparative example 2 is only with the difference of embodiment 1, does not spray mixed solution, namely in comparative example 1, do not comprise step (4) in comparative example 2.
Following process has been carried out to seashore paspalum lawn: only before turf establishment basin at the middle and upper levels 10cm soil with 30g/m
2consumption application of water-loss reducer.
Within 21st day, conventionally carry out soil moisture content test, result is: soil volumetric water content improves 0.67 times compared with not taking the seashore paspalum of any measure.
Although above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, all belong to the scope of protection of present invention.
Claims (10)
1. one kind is improved the method for seashore paspalum drought resistance, it is characterized in that, comprise the following steps: in the soil of planting seashore paspalum lawn, apply water-loss reducer, after seashore paspalum lawn Cheng Ping, ditch millet foliage-spray mixed liquor by the sea, described mixed liquor comprises 2, the 4-epi-brassinolides of 0.01 ~ 0.05mg/L, the humic acid of 50 ~ 100mg/L, the potassium dihydrogen phosphate of 1.0 ~ 3.0g/L.
2. the method for raising seashore paspalum drought resistance according to claim 1, is characterized in that, comprise the following steps:
(1) wholely, base manure is applied;
(2) add water-loss reducer in the soil after applying base manure, and water-loss reducer is fully absorbed water;
(3) planting seashore paspalum lawn;
(4) after seashore paspalum lawn Cheng Ping, ditch millet foliage-spray mixed liquor by the sea, described mixed liquor comprises 2, the 4-epi-brassinolides of 0.01 ~ 0.05mg/L, the humic acid of 50 ~ 100mg/L, the potassium dihydrogen phosphate of 1.0 ~ 3.0g/L.
3. the method for raising seashore paspalum drought resistance according to claim 1 and 2, is characterized in that, applied by water-loss reducer in the thick soil of top layer 5 ~ 10cm, amount of application is 20 ~ 40g/m
2.
4. the method for raising seashore paspalum drought resistance according to claim 3, is characterized in that, the amount of application of water-loss reducer is 30g/m
2.
5. the method for raising seashore paspalum drought resistance according to claim 1 and 2, is characterized in that, described water-loss reducer is acrylamide and acrylic acid salt crosslinking copolymerization thing.
6. the method for raising seashore paspalum drought resistance according to claim 1 and 2, is characterized in that, described mixed liquor comprises 2, the 4-epi-brassinolides of 0.02 ~ 0.04mg/L, the humic acid of 60 ~ 90mg/L, the potassium dihydrogen phosphate of 1.5 ~ 2.5g/L.
7. the method for raising seashore paspalum drought resistance according to claim 6, is characterized in that, described mixed liquor comprises 2, the 4-epi-brassinolides of 0.03mg/L, the humic acid of 75mg/L, the potassium dihydrogen phosphate of 2.0g/L.
8. the method for raising seashore paspalum drought resistance according to claim 1 and 2, is characterized in that, opportunity of ditch millet foliage-spray mixed liquor and mode are by the sea: occur first 5 ~ 7 days in arid, spray once, need spray 3 ~ 4 times altogether every 1 ~ 2 day.
9. the method for raising seashore paspalum drought resistance according to claim 1 and 2, is characterized in that, the amount of spraying of seashore paspalum blade face mixed liquor is moistening but do not drip and be advisable with blade face.
10. the method for raising seashore paspalum drought resistance according to claim 2, it is characterized in that, one or more in fertilizer, composite fertilizer chosen by described base manure.
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| CN106577296A (en) * | 2016-12-23 | 2017-04-26 | 江苏农林职业技术学院 | Method for promoting growth of seed stem adventitious roots and forming of root system network layer of seashore paspalum |
| CN106577296B (en) * | 2016-12-23 | 2018-08-17 | 江苏农林职业技术学院 | A method of promoting the indefinite root growth of seashore paspalum seedling stem and the formation of root system network layer |
| CN113016253A (en) * | 2021-03-29 | 2021-06-25 | 广东海洋大学 | Method for improving seashore salinized land by seashore paspalum |
| CN113711799A (en) * | 2021-07-28 | 2021-11-30 | 南京农业大学 | Application of sodium ferric ethylenediamine tetraacetate to enhancing salt resistance of turfgrass |
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