CN1958530A - Nutrient solution for soilless pot culture peony, preparation method and application - Google Patents
Nutrient solution for soilless pot culture peony, preparation method and application Download PDFInfo
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Abstract
This invention relates to methods for preparing and applying nutrient liquid for non-soil planting of Paeonia suffruticosa. The flower-forcing liquid in the nutrient liquid comprises N, P, K, Ca, Mg, S, Mn, Zn, Cu, Fe and EDTA-2Na at a ratio of (4-12):(0.8-2.4):(0.7-2.1):(1.8-5.4):(0.6-1.8):(0.00017-0.00053):(0.0038-0.0114):(0.008-0.023):(0.003-0.009):(0.0057-0.017):(0.071-0.21). The balancing liquid in the nutrient liquid comprises N, P, K, Ca, Mg, S, Mn, Zn, Cu, Fe and EDTA-2Na at a ratio of (5-15):(0.3-1.0):(0.7-2.1):(1.8-5.4):(0.6-1.8):(0.0002-0.0006):(0.0038-0.0114):(0.0079-0.0237):(0.0031-0.01):(0.1056-0.3169):(0.0706-0.2118). The nutrient liquid can be applied to plant season-inverse Paeonia suffruticosa in pot, and prolong the flowering period.
Description
Technical field
The present invention relates to a kind of nutrient solution for soilless pot culture peony and its production and application.
Background technology
Tree peony (Paeonia suffruticosa Andrews) is a Paeoniaceae Paeonia plant, and flower is big, and pattern is many, and is elegant and poised, incomparably graceful, be China ten big famous flowers first of.China is as the unique country of origin of tree peony, and cultivation history is long, kind surplus its variety type has reached 800.Mainly be the Yellow River middle and lower reaches, minority originates in south.Tree peony adapts to the comparatively environment of arid, and the adaptability of high temperature, high humidity weather is relatively poor.Traditional tree peony cultivation, most seed germination rates are not high, and plant strain growth is slow, and production is restricted.Utilize soilless culture to be expected to reduce production costs, improve output, be beneficial to and carry out potted plant viewing and admiring, realize the mass-producing management of tree peony.Tree peony is potted plant at present on annual flower grass market, and is very popular.
Tree peony is adopted the cultivation technique without soil plantation, can significantly improve flowers output, promotes quality, and can reduce multiple soil-borne disease, purifies planting environment, enlarges the range of application of tree peony, has vast potential for future development.Cultivation technique without soil also will form tremendous influence to the industry of viewing and admiring tree peony.The damage that soilless culture causes the migration process of tree peony reduces to extremely low degree, has guaranteed plant percent; The appearance of a large amount of potted peonies makes tree peony enter in the common people family more widely; The anti-season flower forcing will be more prone to; Overcome the restriction of edaphic condition, eliminated surviving the dysgonic phenomenon in back tree peony.China tree peony has begun soilless culture the nineties in last century, but does not form producing in anniversary of mass-producing so far as yet.
The plant that tree peony gives birth to as drought is limited to the tolerance of moisture, waterlogging and saline and alkaline be the fatal disaster of tree peony.Therefore, compare with the soilless culture of other vegetables with green leaves classes, the soilless culture of tree peony is difficulty more.Many people are arranged in the soilless culture of exploring tree peony, and combine with technology such as anti-season flower forcing, graftings, but also few about the research work of no soil for peony cultivation.Also do not carry out the research of supporting technology from kind, prescription, culture medium.
The soilless culture research of tree peony need be carried out a large amount of work, also should carry out the screening of polygamy side, and the acquisition by the tree peony prescription makes the cultivation technique without soil of tree peony move towards market from the laboratory.Along with the rise of cultivation technique without soil in countries in the world, traditional production of flowers and plants has been subjected to unprecedented challenge, and the remarkable benefit in the soilless culture agriculture production is at home and abroad attracted attention by the people more.And the breakthrough of soilless culture mode, key is to obtain optimum nutrient solution prescription.Have only nutrient solution prescription to obtain to break through, the technology of soilless culture just can be improved.The correct various elements that use keep the optimum proportion of various elements, help the g and D cultivation of plant, obtain the best ornamental quality of potted flower.The breakthrough of tree peony nutrient solution prescription technology, its difficulty is very big, relates to N, P, K, Ca, Mg, Fe, Mn, B, Zn, Cu, Mo.For the content of various elements, mutual effect all must be carried out careful, deep research.Given this, there be limited evidence currently of has the investigator to drop into the breakthrough research of carrying out tree peony nutrient solution prescription technology that a large amount of scientific research strengths carries out concentrating for a long time.
Tree peony carries out nutrient solution prescription research, and matrix is important factor.In the existing investigative technique,, often adopt river sand, vermiculite, rock wool, perlite and potter's clay grain etc. several, do not further investigate the growth characteristics which kind of matrix meets tree peony about the soilless culture substrate of tree peony.For the use of nutritive medium, only existing prescription is improved, not in conjunction with the growth characteristics of tree peony, the nutrient solution prescription of tree peony special use is proposed fundamentally.As to adopt Huo Gelan and Schneider prescription be basic improved nutrient solution prescription etc., is nutritive medium with urea+potassium dihydrogen phosphate, and these all are better simply cultivation experiments, can not really use production.Nutritive medium to tree peony carries out preliminary research, and the degree of depth is not enough.
Tree peony as perennial plant, is adopted some simple nutritive mediums, can only carry out the cultivation of short period of time, can't form healthy and strong plant, more can not carry out the production of mass-producing.At present many in the Tree Peony flower of anti-season of supply the market in the Spring Festival on New Year's Day, just expose many problems.Comprise that plant excessive growth, color pale green, growth are substantial.Also have the florescence to shorten, color shoals, advance flowering period or delay etc., can't expect flower.The quality of blooming also is affected, and flower deformity, the quantity of blooming are few, and fallen flowers bud drop phenomenon takes place often.In the no soil for peony cultivation at present, plant and compare, nutritive deficiency usually occurs, plant rudiment evening stop long morning, it is undesired that blade and terminal bud are grown.The growth of root system and stem section is not enriched, or the like many phenomenons all be because nutritional trouble of tree peony or the cause that the tree peony nutrient solution prescription is not reasonably solved.The problem of these soilless pot culture peonies, all with nutritive medium in element lack or excessive, it is relevant that trace element is not enough.Nutrient solution prescription is not suitable for, and has a strong impact on, restricting the commercialization production of tree peony, can't obtain the bigger market share.
Adopt soilless culture, must adopt full element and appropriate nutrition liquid according to the growth characteristics of tree peony.Help carrying out the batch process of anti-season, florescence, strain shape and the size of control plant.In ideal planting environment and nutritive medium, plant strain growth is quick, and strain difference is little, carry out continuous 1～2 year potted plant, can form the good potted peony of fancy points flower, supply annual flower city.Do not facilitate the tree peony nutritive medium but still there is special use at present both at home and abroad, also planless soilless culture research in peony flower forcing research.
Summary of the invention
At the problems referred to above, one of purpose of the present invention provides a kind of nutrient solution for soilless pot culture peony that reaches above-mentioned requirements.
Another purpose of this provides a kind of preparation method of above-mentioned nutrient solution for soilless pot culture peony.
This purpose that also has provides a kind of using method of above-mentioned nutrient solution for soilless pot culture peony.
The present invention is achieved in that
A kind of nutrient solution for soilless pot culture peony, it comprises flower forcing nutritive medium and balanced natritive liquid, and wherein each constituent content is respectively N in the flower forcing nutritive medium: P: K: Ca: Mg: S: Mn: Zn: Cu: Fe: EDTA-2Na is 4-12: 0.8-2.4: 0.7-2.1: 1.8-5.4: 0.6-1.8: 0.00017-0.00053: 0.0038-0.0114: 0.008-0.023: 0.003-0.009: 0.0057-0.017: 0.071-0.21; Its soluble salt ion (EC value) is 1.0～4.5, and solution acid alkalinity (pH value) is 4.5～7.5; The ratio of each constituent content is that N: P: K: Ca: Mg: S: Mn: Zn: Cu: Fe: EDTA-2Na is 5-15: 0.3-1.0: 0.7-2.1: 1.8-5.4: 0.6-1.8: 0.0002-0.0006: 0.0038-0.0114: 0.0079-0.0237: 0.0031-0.01: 0.1056-0.3169: 0.0706-0.2118 in the balanced natritive liquid, its soluble salt ion (EC value) is 1.0～3.7, and solution acid alkalinity (pH value) is 4.5～7.5.
A kind of nutrient solution for soilless pot culture peony, it comprises flower forcing nutritive medium and balanced natritive liquid, wherein each constituent content is respectively N8.32mmol/l, P1.67mmol/l, K1.47mmol/l, Ca3.63mmol/l, Mg1.20mmol/l, S0.35 μ mol/l, Mn7.64 μ mol/l, Zn15.82 μ mol/l, Cu6.27 μ mol/l, Fe211.39 μ mol/l, EDTA-2Na141.21 μ mol/l in the flower forcing nutritive medium, its soluble salt ion (EC value) is 2.5, and solution acid alkalinity (pH value) is 5.5～6.5; The ratio of each constituent content is N10.34mmol/l, P0.71mmol/l, K1.47mmol/l, Ca3.63mmol/l, Mg1.20mmol/l, S0.35 μ mol/l, Mn7.64 μ mol/l, Zn15.82 μ mol/l, Cu6.27 μ mol/l, Fe211.39 μ mol/l, EDTA-2Na141.21 μ mol/l in the balanced natritive liquid, its soluble salt ion (EC value) is 1.5～2.5, and solution acid alkalinity (pH value) is 5.5～6.5.
The preparation method of described nutrient solution for soilless pot culture peony, it comprises the preparation of flower forcing nutritive medium and the preparation of balanced natritive liquid, wherein the preparation of balanced natritive liquid comprises the steps:
At first calculate each compound amount, in the nutritive medium mother liquor of preparation, be as the criterion with 75 liters of mother liquors, the content of the fertilizer of various macroelement is respectively: ammonium nitrate (NH4NO3) 166.18g, potassium primary phosphate (KH2PO4) 719.27g, saltpetre (KNO3) 579.99g, nitrocalcite Ca (NO3) 25875.11g, magnesium nitrate Mg (NO3) 2.6H2O 1699.26g, sal epsom MgSO4.7H2O 582.51g;
The mother liquor of trace element is 1000 times of liquid, and the content in its 25 liters of mother liquors is respectively: manganous sulfate MnSO4H2O32.26g, zinc sulfate ZnSO4H2O 114.66g, copper sulfate CuSO45H2O39.16g, ferrous sulfate FeSO46H2O1469.18g, sodium ethylene diamine tetracetate EDTA-2Na 2272.47g, Sodium orthomolybdate Na2MoO4H2O72.67g, boric acid Na2B4O710H2O 230.00g;
Mother liquor is divided into A, B or A, B, C jar.Mixing of A jar and dissolving saltpetre (579.99g) and nitrocalcite, ammonium nitrate, in the B jar, mixed dissolution saltpetre (579.99g), sal epsom, potassium primary phosphate.The C jar is the acid jar, trace element is dissolved in comprise Na2Fe-EDTA and each trace element in the C jar.Warm water (50～80 ℃) dissolving trace elements iron, nitrocalcite, saltpetre.Na2Fe-EDTA is also with FeSO47H2O and Na2-EDTA preparation.Method is to get FeSO47H2O13.9g and Na2-EDTA 18.6g is miscible gets final product by 1000 times of mother liquors;
The preparation of 75L work nutritive medium: measure A mother liquor and each 0.25L of B mother liquor, C mother liquor 0.05L respectively, in the process that adds each mother liquor, stir and prevent precipitation.Method is as follows: 1. put into the water yield that is equivalent to prewired work nutritive medium volume 40% in liquid storing pool earlier, promptly 20L water falls the people wherein with measured A mother liquor again; 2. measured B mother liquor is slowly poured into wherein, and continuous thin up, to reach Total Water 80% till; The C mother liquor is added wherein according to quantity, fill up the water yield and constantly stirring then;
Detecting nutritive medium pH value uses the pH acidometer to measure.Proofreading and correct nutritive medium pH value common acid or alkali carries out.Too high as nutritive medium pH value, just splash into correction with rare nitric acid; If pH is on the low side, then available sodium carbonate solution is proofreaied and correct.
Nutrient management.Regularly the pouring nutritive medium does not make root system be in lack of water, fertilizer deficiency state.Should regularly detect nutrient solution concentration and composition, in time replenish, prevent fertilizer deficiency.Also should in time detect the nutritive medium potential of hydrogen in the course of cultivation, find should in time not use acid or alkali adjustment in good time.The temperature of nutritive medium should not be lower than 15 ℃, in addition, should note the content of oxygen in the nutritive medium circulation, and oxygen is not enough can the influence growth.Nutritive medium at first could use through high temperature or ultraviolet radiation disinfection.
The preparation process of flower forcing nutritive medium is identical with balanced natritive liquid, and wherein ammonium nitrate content is adjusted into 148.78g in 75 liters of mother liquors, and the biphosphate potassium content is adjusted into 1703.40g, and other fertilizer content is identical.
The using method of described nutrient solution for soilless pot culture peony, under and anti-season potted plant situation normal at winter-spring season, during the potted plant seedling growth of tree peony and nourishing and growing, balanced natritive liquid is used in pouring, its concentration is mainly counted by EC and is adjusted, and keeps EC value 1.5～2.5, reaches each irrigation amount and waters till having liquid to ooze out below matrix when watering fertilizer, the usage quantity of the liquid manure of every strain is 200～300ml, and the pouring cycle is to water once in 3～5 days; Use the flower forcing nutritive medium in the pouring in preceding 2～March of blooming, its concentration be EC value 2.5, reach each irrigation amount and water till having liquid below matrix, to ooze out when watering fertilizer, the usage quantity of the liquid manure of every strain is 200～300ml, the pouring cycle is to water once in 3～5 days.
Application concentration is adjusted by soluble salt ion (EC value), and inflation method constantly adds A, B mother liquor for increasing the mother liquor amount of using, and the EC content in nutritive medium reaches desired value; The EC value of using in early stage is 0.8～1.5, and the implication in early stage and time length are given the time of an adaptation of root system for just beginning to water nutritive medium, after 4～5 weeks, improve working concentration gradually, carry out the transition to and use 1.5～2.5 concentration, the EC value of seedling is low simultaneously, is 1.5～2; Normal plant is then kept the EC value between 2～2.5.A water disposable fertilizer improves the EC value of using later on gradually, and each the raising a bit waters, waters when watering fertilizer till having liquid to ooze out below matrix, and the usage quantity of the liquid manure of every substantially strain is 200～300ml.
Tree peony is carried out nutritive medium pouring, and plant is used through the nutritive medium certain hour, and colony reaches at the florescence, can stablize to bloom during being controlled at the Spring Festival.Use special-purpose nutrient solution prescription to help the rejuvenation of tree peony simultaneously after the peony flower forcing.
For same constituent content, the fertilizer of using other replaces, and replaces ammonium nitrate as adopting urea, so still can make nutrient solution prescription.The content unanimity of element in the prescription has then adopted different fertilizer to prepare, and still can think same nutritive medium.
Adopt same prescription, no matter adopt which kind of application process, topdress, water and execute, spray, can be considered as having used the present invention.
Beneficial effect of the present invention:
1, is beneficial to potted plant large-scale production of viewing and admiring tree peony.
2, be beneficial to the large-scale planting of anti-season potted peony.
3, help prolonging the florescence of tree peony.
4, promote the development and the raising of the cultivation technique without soil of tree peony.
Adopt easy handling soilless culture of the present invention to produce tree peony, adopt soilless substrates such as perlite, reach purpose gently clean, attractive in appearance easilier, the tree peony potted flower that this method is cultivated mainly provides to be viewed and admired, as spring festival peony forcing culture.Adopting soilless culture to be aided with nutritive medium, just can make Tree Peony flower big. look gorgeous. and with luxuriant foliage and spreading branches in leafy profusion.Help realizing the standardization of tree peony potted flower, standardized production, improved and complete cultivation technique.
Embodiment
Below in conjunction with experimental details the present invention.
A kind of preparation method of nutrient solution for soilless pot culture peony, it comprises the preparation of flower forcing nutritive medium and the preparation of balanced natritive liquid, wherein the preparation of balanced natritive liquid comprises the steps:
At first calculate each compound amount, in the nutritive medium mother liquor of preparation, be as the criterion with 75 liters of mother liquors, the content of the fertilizer of various macroelement is respectively: ammonium nitrate (NH4NO3) 166.18g, potassium primary phosphate (KH2PO4) 719.27g, saltpetre (KNO3) 579.99g, nitrocalcite Ca (NO3) 25875.11g, magnesium nitrate Mg (NO3) 2.6H2O 1699.26g, sal epsom MgSO4.7H2O 582.51g;
The mother liquor of trace element is 1000 times of liquid, and the content in its 25 liters of mother liquors is respectively: manganous sulfate MnSO4H2O32.26g, zinc sulfate ZnSO4H2O 114.66g, copper sulfate CuSO45H2O39.16g, ferrous sulfate FeSO46H2O1469.18g, sodium ethylene diamine tetracetate EDTA-2Na 2272.47g, Sodium orthomolybdate Na2MoO4H2O72.67g, boric acid Na2B4O710H2O 230.00g;
Mother liquor is divided into A, B or A, B, C jar.Mixing of A jar and dissolving saltpetre (579.99g) and nitrocalcite, ammonium nitrate, in the B jar, mixed dissolution saltpetre (579.99g), sal epsom, potassium primary phosphate.The C jar is the acid jar, trace element is dissolved in comprise Na2Fe-EDTA and each trace element in the C jar.Warm water (50～80 ℃) dissolving trace elements iron, nitrocalcite, saltpetre.Na2Fe-EDTA is also with FeSO47H2O and Na2-EDTA preparation.Method is to get FeSO47H2O13.9g and Na2-EDTA 18.6g is miscible gets final product by 1000 times of mother liquors;
The preparation of 75L work nutritive medium: measure A mother liquor and each 0.25L of B mother liquor, C mother liquor 0.05L respectively, in the process that adds each mother liquor, stir and prevent precipitation.Method is as follows: 1. put into the water yield that is equivalent to prewired work nutritive medium volume 40% in liquid storing pool earlier, promptly 20L water falls the people wherein with measured A mother liquor again; 2. measured B mother liquor is slowly poured into wherein, and continuous thin up, to reach Total Water 80% till; The C mother liquor is added wherein according to quantity, fill up the water yield and constantly stirring then;
Detecting nutritive medium pH value uses the pH acidometer to measure.Proofreading and correct nutritive medium pH value common acid or alkali carries out.Too high as nutritive medium pH value, just splash into correction with rare nitric acid; If pH is on the low side, then available sodium carbonate solution is proofreaied and correct.
Nutrient management.Regularly the pouring nutritive medium does not make root system be in lack of water, fertilizer deficiency state.Should regularly detect nutrient solution concentration and composition, in time replenish, prevent fertilizer deficiency.Also should in time detect the nutritive medium potential of hydrogen in the course of cultivation, find should in time not use acid or alkali adjustment in good time.The temperature of nutritive medium should not be lower than 15 ℃, in addition, should note the content of oxygen in the nutritive medium circulation, and oxygen is not enough can the influence growth.Nutritive medium at first could use through high temperature or ultraviolet radiation disinfection.
The preparation process of flower forcing nutritive medium is identical with balanced natritive liquid, and wherein ammonium nitrate content is adjusted into 148.78g in 75 liters of mother liquors, and the biphosphate potassium content is adjusted into 1703.40g, and other fertilizer content is identical.
Claims (4)
1, a kind of nutrient solution for soilless pot culture peony, it is characterized in that, it comprises flower forcing nutritive medium and balanced natritive liquid, and wherein each constituent content is respectively N in the flower forcing nutritive medium: P: K: Ca: Mg: S: Mn: Zn: Cu: Fe: EDTA-2Na is 4-12: 0.8-2.4: 0.7-2.1: 1.8-5.4: 0.6-1.8: 0.00017-0.00053: 0.0038-0.0114: 0.008-0.023: 0.003-0.009: 0.0057-0.017: 0.071-0.21; Its soluble salt ion (EC value) is 1.0～4.5, and solution acid alkalinity (pH value) is 4.5～7.5; The ratio of each constituent content is that N: P: K: Ca: Mg: S: Mn: Zn: Cu: Fe: EDTA-2Na is 5-15: 0.3-1.0: 0.7-2.1: 1.8-5.4: 0.6-1.8: 0.0002-0.0006: 0.0038-0.0114: 0.0079-0.0237: 0.0031-0.01: 0.1056-0.3169: 0.0706-0.2118 in the balanced natritive liquid, its soluble salt ion (EC value) is 1.0～3.7, and solution acid alkalinity (pH value) is 4.5～7.5.
2, a kind of nutrient solution for soilless pot culture peony, it is characterized in that, it comprises flower forcing nutritive medium and balanced natritive liquid, wherein each constituent content is respectively N 8.32mmol/l, P 1.67mmol/l, K 1.47mmol/l, Ca 3.63mmol/l, Mg 1.20mmol/l, S 0.35 μ mol/l, Mn 7.64 μ mol/l, Zn 15.82 μ mol/l, Cu 6.27 μ mol/l, Fe 211.39 μ mol/l, EDTA-2Na 141.21 μ mol/l in the flower forcing nutritive medium, its soluble salt ion (EC value) is 2.5, and solution acid alkalinity (pH value) is 5.5～6.5; The ratio of each constituent content is N 10.34mmol/l, P 0.71mmol/l, K 1.47mmol/l, Ca 3.63mmol/l, Mg 1.20mmol/l, S 0.35 μ mol/l, Mn 7.64 μ mol/l, Zn 15.82 μ mol/l, Cu 6.27 μ mol/l, Fe 211.39 μ mol/l, EDTA-2Na 141.21 μ mol/l in the balanced natritive liquid, its soluble salt ion (EC value) is 1.5～2.5, and solution acid alkalinity (pH value) is 5.5～6.5.
3, the preparation method of the described nutrient solution for soilless pot culture peony of a kind of claim 2 is characterized in that, it comprises the preparation of flower forcing nutritive medium and the preparation of balanced natritive liquid, and wherein the preparation of balanced natritive liquid comprises the steps:
At first calculate each compound amount, in the nutritive medium mother liquor of preparation, be as the criterion with 75 liters of mother liquors, the content of the fertilizer of various macroelement is respectively: ammonium nitrate (NH4NO3) 166.18g, potassium primary phosphate (KH2PO4) 719.27g, saltpetre (KNO3) 579.99g, nitrocalcite Ca (NO3) 25875.11g, magnesium nitrate Mg (NO3) 2.6H2O 1699.26g, sal epsom MgSO4.7H2O 582.51g;
The mother liquor of trace element is 1000 times of liquid, and the content in its 25 liters of mother liquors is respectively: manganous sulfate MnSO4H2O32.26g, zinc sulfate ZnSO4H2O 114.66g, copper sulfate CuSO45H2O39.16g, ferrous sulfate FeSO46H2O1469.18g, sodium ethylene diamine tetracetate EDTA-2Na 2272.47g, Sodium orthomolybdate Na2MoO4H2O72.67g, boric acid Na2B4O710H2O 230.00g;
Mother liquor is divided into A, B or A, B, C jar.Mixing of A jar and dissolving saltpetre (579.99g) and nitrocalcite, ammonium nitrate, in the B jar, mixed dissolution saltpetre (579.99g), sal epsom, potassium primary phosphate.The C jar is the acid jar, trace element is dissolved in comprise Na2Fe-EDTA and each trace element in the C jar.Warm water (50～80 ℃) dissolving trace elements iron, nitrocalcite, saltpetre, Na2Fe-EDTA are also with FeSO47H2O and Na2-EDTA preparation.Method is to get FeSO47H2O13.9g and Na2-EDTA 18.6g is miscible gets final product by 1000 times of mother liquors;
The preparation of 75L work nutritive medium: measure A mother liquor and each 0.25L of B mother liquor, C mother liquor 0.05L respectively, in the process that adds each mother liquor, stir and prevent precipitation.Method is as follows: 1. put into the water yield that is equivalent to prewired work nutritive medium volume 40% in liquid storing pool earlier, promptly 20L water falls the people wherein with measured A mother liquor again; 2. measured B mother liquor is slowly poured into wherein, and continuous thin up, to reach Total Water 80% till; The C mother liquor is added wherein according to quantity, fill up the water yield and constantly stirring then;
The preparation process of flower forcing nutritive medium is identical with balanced natritive liquid.
4, the using method of the described nutrient solution for soilless pot culture peony of a kind of claim 1, it is characterized in that: at winter-spring season under the normal and potted plant situation of anti-season, during the potted plant seedling growth of tree peony and nourishing and growing, balanced natritive liquid is used in pouring, keep the EC value 1.5～2.5, the usage quantity of the liquid manure of every strain is 200～300ml, and the pouring cycle is to water once in 3～5 days; Use the flower forcing nutritive medium in the pouring in preceding 2～March of blooming, its concentration be the EC value 2.5, the usage quantity of the liquid manure of every strain is 200～300ml, the pouring cycle is to water once in 3～5 days.
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2005
- 2005-11-02 CN CNB2005101176064A patent/CN100478309C/en not_active Expired - Fee Related
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