CN107244965A - A kind of Radix Salviae Miltiorrhizae rich in selenium composite fertilizer and the cultural method of Radix Salviae Miltiorrhizae rich in selenium - Google Patents
A kind of Radix Salviae Miltiorrhizae rich in selenium composite fertilizer and the cultural method of Radix Salviae Miltiorrhizae rich in selenium Download PDFInfo
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- CN107244965A CN107244965A CN201710419689.5A CN201710419689A CN107244965A CN 107244965 A CN107244965 A CN 107244965A CN 201710419689 A CN201710419689 A CN 201710419689A CN 107244965 A CN107244965 A CN 107244965A
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 101
- 239000002131 composite material Substances 0.000 title claims abstract description 63
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229910052711 selenium Inorganic materials 0.000 title claims abstract description 56
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- 238000000034 method Methods 0.000 title claims description 19
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 30
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- 229960001471 sodium selenite Drugs 0.000 claims abstract description 18
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- 239000011781 sodium selenite Substances 0.000 claims abstract description 18
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims abstract description 16
- 239000004094 surface-active agent Substances 0.000 claims abstract description 16
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C11/00—Other nitrogenous fertilisers
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Abstract
The present invention relates to a kind of Radix Salviae Miltiorrhizae rich in selenium composite fertilizer and its production method, belong to field of plant growing technology.The Radix Salviae Miltiorrhizae rich in selenium composite fertilizer that the present invention is provided includes RE microbial fertilizer, sodium selenite, sodium hydrogensulfite and surfactant；The RE microbial fertilizer includes Rare Earth Amino-Acid two-element match, nitrogen, phosphorus and potassium.The Radix Salviae Miltiorrhizae rich in selenium composite fertilizer of the present invention can greatly improve the yield and quality of the red sage root, lift the content of trace elements of selenium, can be applied to the large area production of Radix Salviae Miltiorrhizae rich in selenium.
Description
Technical field
The present invention relates to the cultivation of field of plant growing technology, more particularly to a kind of Radix Salviae Miltiorrhizae rich in selenium composite fertilizer and Radix Salviae Miltiorrhizae rich in selenium
Method.
Background technology
China scientific worker began to the research of rare earth application from 1972, by the effort of decades, dilute
The achievement that the agricultural aspect of soil is obtained has occupied advanced international standard.Rare earth has been applied successfully to arable farming, Chinese medicine plantation, poultry
The domain variability such as animal husbandry and aquaculture generates considerable economic benefit.Rare earth is widely used in Chinese medicine cultivation in recent years,
New approach is opened to improve root yield and quality.
Selenium has extensive and important physiological function in body, and research shows that selenium has powerful protective effect, to heart
More than the 40 kinds of people such as disease, geriatric disease, liver and pancreatic disease, infertility, hypertension, diabetes, cataract, Keshan disease and anaemia
Class disease has good prophylactic treatment effect.The red sage root is generally used as medicine with drying root and rhizome, and cold nature, bitter is dispelled with promoting blood circulation
The effect of stasis of blood, inducing meastruation to relieve menalgia, nourishing blood and tranquilization, relieving restlessness that clears away heart-fire, clinically it is usually used in treatment angiocardiopathy, angina pectoris, menstruation not
Tune, dysphoria and insomnia etc..Radix Salviae Miltiorrhizae rich in selenium is the Novel Chinese herbal medicine rich in Organic Selenium cultivated using conversion technology.At present I
State successfully cultivates Radix Salviae Miltiorrhizae rich in selenium medicinal material, and solving inorganic selenium excessively has severe toxicity, limits the key problem in technology of clinical practice,
Research simultaneously has shown that selenium has synergy with effective component in red sage, is expected to develop selenium-rich Chinese medicine.But selenium in existing Radix Salviae Miltiorrhizae rich in selenium
Content is too low, influences the quality of the red sage root.
The content of the invention
It is an object of the invention to provide a kind of Radix Salviae Miltiorrhizae rich in selenium composite fertilizer.The Radix Salviae Miltiorrhizae rich in selenium composite fertilizer of the present invention can be significantly
The yield and quality of the red sage root is improved, the content of trace elements of selenium is lifted, the large area production of Radix Salviae Miltiorrhizae rich in selenium is can be applied to.
The invention provides a kind of Radix Salviae Miltiorrhizae rich in selenium composite fertilizer, the composite fertilizer includes RE microbial fertilizer, sodium selenite, sulfurous acid
Hydrogen sodium and surfactant；
The RE microbial fertilizer includes rare earth-amino acid two-element match, nitrogen, phosphorus and potassium.
Preferably, the composite fertilizer includes the component of following parts by weight：10~50 parts of RE microbial fertilizer, sodium selenite 0.05
~3 parts, 0.05~0.1 part of 10~50 parts of sodium hydrogensulfite and surfactant.
Preferably, the RE microbial fertilizer middle rare earth-amino acid two-element match：N：P：K weight ratio is：(0.001~
0.05):(10~20):(10~20):(0.4~1).
Preferably, the rare earth-amino acid two-element match formula is REX-(AA)Y, RE is rare earth ion in formula,
AA is amino acid, wherein, X=0.1~1；Y=0.5~6；The RE be La, Ce, Pr, Nd, Sm and Eu in any one three
Valency ion；The AA is amino acid, and the amino acid is lysine, threonine, glycine, leucine, isoleucine, figured silk fabrics ammonia
Acid, methionine, tyrosine, tryptophan or phenylalanine.
Preferably, the preparation method of the rare earth-amino acid two-element match comprises the following steps：
A) rare earth oxide is mixed with watery hydrochloric acid, obtains rare earth-iron-boron；
B) rare earth-iron-boron for obtaining step a) is mixed with absolute ethyl alcohol, amino acid is added dropwise under conditions of stirring water-soluble
Liquid, complexation reaction obtains rare earth-amino acid two-element match.
Preferably, the mol ratio of the rare earth-iron-boron and amino acid is (0.1~1):(0.5~6).
Present invention also offers a kind of cultural method of the Radix Salviae Miltiorrhizae rich in selenium based on composite fertilizer described in above-mentioned technical proposal, including
Following steps：
1) in red sage root period of seedling establishment to red sage root foliage-spray composite fertilizer, in the composite fertilizer weight ratio of nitrogen and phosphorus for (1.1~
2)：1；
2) after the first tenday period of a month in late April to May, red sage root clipping and carving sequence, foliage-spray composite fertilizer, nitrogen and phosphorus in the composite fertilizer
Weight ratio is (1~1.2)：1；
3) in mid or late June, the weight ratio of nitrogen and phosphorus in the old bar of the red sage root, foliage-spray composite fertilizer, the composite fertilizer is cut off
For 1：(1.3~2)；
During spraying, the weight ratio of the composite fertilizer and water is 1:(2000~10000).
Preferably, the pH value of the composite fertilizer in use is 6.0~6.5.
Preferably, the composite fertilizer sprays selection after cloudy day or at 4 points in fine day afternoon, is met after spraying in 24 hours
Rain, fills spray 1 time.
The invention provides a kind of Radix Salviae Miltiorrhizae rich in selenium composite fertilizer.The Radix Salviae Miltiorrhizae rich in selenium composite fertilizer of the present invention combines RE microbial fertilizer and selenium
Fertilizer, can greatly improve the content of trace elements of selenium in the yield and quality of the red sage root, the lifting red sage root, can be applied to Radix Salviae Miltiorrhizae rich in selenium
Large area is produced.Using the present invention Radix Salviae Miltiorrhizae rich in selenium composite fertilizer carry out the red sage root production, can by the output increased 10 of the red sage root~
18%, wherein 12.0~18.9% and 16~21.8% are respectively increased in effective component tanshin polyphenolic acid B and tanshinone IIA in the red sage root, micro-
The content of secondary element selenium is up to 120ug/kg.
Embodiment
The invention provides a kind of Radix Salviae Miltiorrhizae rich in selenium composite fertilizer, the composite fertilizer includes RE microbial fertilizer, sodium selenite, sulfurous acid
Hydrogen sodium and surfactant；
The RE microbial fertilizer includes rare earth-amino acid two-element match, nitrogen, phosphorus and potassium.
In the present invention, the Radix Salviae Miltiorrhizae rich in selenium composite fertilizer preferably includes 10~50 parts, more preferably 20~30 parts of rare earth
Micro- fertilizer.In the present invention, the RE microbial fertilizer includes rare earth-amino acid two-element match, nitrogen, phosphorus and potassium.The present invention is to described
The source of nitrogen, phosphorus and potassium is without special restriction, using the conventional reagent of Nitrogen-and Phosphorus-containing potassium well known to those skilled in the art,
Such as routine N salt, P2O5And K2O etc..In the present invention, the RE microbial fertilizer middle rare earth-amino acid two-element match：N：P：K weight
Amount is than being (0.001~0.05):(10~20):(10~20):(0.4~1), more preferably 0.002：15：17：0.5.In this hair
In bright, the growth for acting as adjusting plant of the rare earth-amino acid two-element match is interior to inhale compared with the micro- fertilizer of inorganic rare earth
Conductibility is high, energy coordinate plant growth metabolism, promotes plant to absorb nutrient, improves chlorophyll content of plant, promotes
Photosynthesis of plant, improves the activity of protective enzyme system in plant, removes plant interior free yl, promotes growing for plant.
RE microbial fertilizer of the present invention can promote medicinal plant secondary metabolite to generate as plant growth regulator, improve effective component
Content, reduces heavy metal ion content, improves the yield and quality.Pesticide residual degradation can be promoted simultaneously, pesticide dosage is reduced, so as to carry
The high security of agricultural production.
In the present invention, the rare earth-amino acid two-element match formula is REX-(AA)Y, in formula RE be rare earth from
Son, AA is amino acid, wherein, X=0.1~1；Y=0.5~6；The RE is any one in La, Ce, Pr, Nd, Sm and Eu
Trivalent ion；The AA is amino acid, and the amino acid is lysine, threonine, glycine, leucine, isoleucine, figured silk fabrics ammonia
Acid, methionine, tyrosine, tryptophan or phenylalanine.The present invention is not special to the source of the rare earth ion and amino acid
Restriction, using rare earth ion well known to those skilled in the art and the conventional commercial product of amino acid.
In the present invention, the preparation method of the rare earth-amino acid two-element match comprises the following steps：
A) rare earth oxide is mixed with watery hydrochloric acid, obtains rare earth-iron-boron；
B) rare earth-iron-boron for obtaining step a) is mixed with absolute ethyl alcohol, amino acid is added dropwise under conditions of stirring water-soluble
Liquid, complexation reaction obtains rare earth-amino acid two-element match.
The present invention mixes rare earth oxide with watery hydrochloric acid, obtains rare earth-iron-boron.In the present invention, the rare earth oxide
Solid carries out metathesis reaction with watery hydrochloric acid, after the completion of reaction, and preferably heating water bath evaporation system is dry, and obtained solid is preferably with third
Ketone is washed, and is dried in sodium hydroxide drier to constant weight, is obtained the hydrate of rare earth-iron-boron.
Obtain after rare earth-iron-boron, the present invention mixes the obtained rare earth-iron-borons of step a) with absolute ethyl alcohol, in stirring
Under conditions of amino acid solution is added dropwise, complexation reaction obtains rare earth-amino acid two-element match.In the present invention, it is described dilute
The mol ratio of native chloride and amino acid is (0.1~1):(0.5~6), more preferably 1：(6~20).In the present invention, it is described
The concentration of amino acid is preferably 1~2mol/L in amino acid solution, more preferably 4/3mol/L.In the present invention, it is described to stir
The time mixed preferably 0.5h.After stirred, the preferred process for carrying out suction filtration of the present invention, the solid that suction filtration is obtained uses anhydrous second
Alcohol is washed, and drying obtains rare earth-amino acid two-element match to constant weight, and the drying is carried out preferably on silica gel.
In the present invention, the Radix Salviae Miltiorrhizae rich in selenium composite fertilizer preferably includes 0.05~3 part of sodium selenite, more preferably 1~2
Part.In the present invention, the sodium selenite act as provide selenium fertilizer, the method through bioconversion in red sage root body will be inorganic
Selenium is converted into Organic Selenium.The present invention originates without special restriction to the sodium selenite, ripe using those skilled in the art
The conventional commercial product for the sodium selenite known.
In the present invention, the Radix Salviae Miltiorrhizae rich in selenium composite fertilizer preferably includes 10~50 parts of sodium hydrogensulfite, more preferably 20
~30 parts.Sodium hydrogensulfite of the present invention can suppress the light respiration of crop, promote dry-matter accumulation, while there is provided acyclic acidic
Border, promotes absorption of the crop to selenium element.The present invention originates without special restriction to the sodium hydrogensulfite, using ability
The conventional commercial product of sodium hydrogensulfite known to field technique personnel.
In the present invention, the Radix Salviae Miltiorrhizae rich in selenium composite fertilizer preferably includes 0.05~0.1 part of surfactant, more preferably
0.2 part.The present invention does not have special restriction to the species of the surfactant, using routine well known to those skilled in the art
Commercial surfactant.Surfactant of the present invention can increase adhesive force of the composite fertilizer on plant.In this hair
In bright, the surfactant is preferably TWEEN Series.Present invention also offers one kind based on compound described in above-mentioned technical proposal
The cultural method of the Radix Salviae Miltiorrhizae rich in selenium of fertilizer, comprises the following steps：
1) in red sage root period of seedling establishment to red sage root foliage-spray composite fertilizer, in the composite fertilizer weight ratio of nitrogen and phosphorus for (1.1~
2)：1；
2) after the first tenday period of a month in late April to May, red sage root clipping and carving sequence, foliage-spray composite fertilizer, nitrogen and phosphorus in the composite fertilizer
Weight ratio is (1~1.2)：1；
3) in mid or late June, the weight ratio of nitrogen and phosphorus in the old bar of the red sage root, foliage-spray composite fertilizer, the composite fertilizer is cut off
For 1：(1.3~2)；
During spraying, the weight ratio of the composite fertilizer and water is 1：(2000~10000).
After present invention period of seedling establishment respectively in the red sage root, clipping and carving sequence and Jian Laoganhou foliage-sprays composite fertilizer, with the red sage root
Growth, the spray for gradually reducing N fertilizer is appropriate, increases the content of phosphate fertilizer, promotes the development of the red sage root and the accumulation of effective component.In pellet
After the period of seedling establishment of ginseng, clipping and carving sequence and cut after old bar, N in composite fertilizer：P weight ratio is respectively (1.1~2)：1, (1~1.2)：
1 and 1：(1.3~2), more preferably respectively 2：1,1：1,1：2.With the growth of the red sage root, nitrogenous fertilizer content is appropriate high during beginning,
Beneficial to the growth of red sage root leaf, photosynthesis is carried out.In the Salvia miltiorrhiza Growth later stage, the content of phosphate fertilizer is properly increased, beneficial to the growth of the red sage root
Development and the accumulation of dry.
During the present invention is sprayed, the weight ratio preferably 1 of the composite fertilizer and water：(2000~10000), more preferably
For 1：5000.During the use of composite fertilizer, RE microbial fertilizer, sodium selenite, sodium hydrogensulfite are preferably first dissolved in by the present invention
In 20~50 DEG C of water, in more preferably 30~40 DEG C of water, it is stirred after adding surfactant, after dissolving, adjusts pH
It is worth for 6.0~6.5, more preferably 6.2.The present invention does not have special restriction to the adjusting method of the pH value, using this area
PH adjusting agent is adjusted known to technical staff, such as watery hydrochloric acid.
In the present invention, the pH value of the composite fertilizer in use is 6.0~6.5.
In the present invention, the composite fertilizer sprays selection after cloudy day or at 4 points in fine day afternoon, after spraying in 24 hours
Rain is met, is filled spray 1 time.
A kind of Radix Salviae Miltiorrhizae rich in selenium composite fertilizer provided with reference to specific embodiment the present invention and the cultivation side of Radix Salviae Miltiorrhizae rich in selenium
Method is further described in detail, and technical scheme includes but is not limited to following examples.
Embodiment 1
The synthesis of lanthanum-glycine two-element match：A certain amount of lanthana solid is weighed, is dissolved in watery hydrochloric acid, allows it to fill
Point reaction and in water-bath slow evaporation to dry；Washed with acetone, be placed in NaOH driers and dry to the obtained tri-chlorination of constant weight
The hydrate of lanthanum.It is accurate to weigh 1mmol lanthanum trichloride hydrates, 25mL absolute ethyl alcohols are added, under stirring, are added dropwise thereto
The aqueous solution 3mL of 4mmol glycine；Suction filtration after stirring 0.5 hour, is washed with absolute ethyl alcohol, is dried on silica gel to constant weight system
Obtain lanthanum-glycine two-element match.
The preparation of RE microbial fertilizer：(N+P):K:The weight ratio of lanthanum-glycine two-element match is：30:0.5:0.01.
Stirring and dissolving is added to the water with RE microbial fertilizer, sodium selenite, sodium hydrogensulfite and surfactant, mixed liquor is obtained
Method be：With weight than 10 parts of RE microbial fertilizer, 0.05 part of sodium selenite, 10 parts of stirring mixing of sodium hydrogensulfite.Stirring is mixed
Fertilizer after conjunction be added to temperature be 25 DEG C, weight add 0.06 part of Tween-20 stirring and dissolving than in the water for 1000 parts,
The slightly acidic solution of pH value 6.5 is adjusted with watery hydrochloric acid.
Sprayed for three times in the growth period of the red sage root, N：P weight ratio respectively 20:10,15:15,10:20.
The red sage root of collection is subjected to indices measure.The trace elements of selenium with Hydride atomic fluorescent spectrum method for detecting
Content, the content for determining with gas chromatography the residual imidacloprid of agriculture, effective cypermethrin and AVM, use atomic absorption spectrophotometry
Photometry determines the content of heavy metal copper and cadmium, with heavy metal arsenic, lead and mercury in the Hydride atomic fluorescent spectrum method for detecting red sage root
Content.The content of effective component tanshinone IIA and tanshin polyphenolic acid B in the red sage root is determined according to 2015 editions pharmacopeia.Determine and find, not
The indices of the red sage root through processing are：The content of selenium is 12ug/kg, and tanshinone IIA content is 0.198%, content of danshinolic acid B
For 3.95%, the content of heavy metal copper is 9mg/kg, and the content of cadmium is 0.14mg/kg, and the content of arsenic is 0.14mg/kg, lead
Content is 1.32mg/kg, and the content of mercury is less than 0.005mg/kg.The content of the residual imidacloprid of agriculture is 0.19mg/kg.Efficient chlorine cyanogen chrysanthemum
Ester and AVM are less than test limit.Red sage root yield is 320kg/ mus after processing.Handled with RE microbial fertilizer and the fertile distributing technology of selenium
Red sage root sample in, the content of trace elements of selenium is 115ug/kg, and 8.58 times are added than control.Effective component tanshinone IIA
Content is 0.22%, and content of danshinolic acid B is 4.45%, respectively than control increase by 11.11% and 12.66%.Heavy metal copper contains
Measure as 8mg/kg, the content of cadmium is 0.14mg/kg, the content of arsenic is 0.12mg/kg, the content of lead is 1.32mg/kg, mercury contains
Amount is less than 0.005mg/kg, and the content of heavy metal is slightly reduced than control, and the content of the residual imidacloprid of agriculture is 0.15mg/kg, is compared
According to reducing 21.0%.Effective cypermethrin and AVM are less than test limit.Red sage root yield is 360kg/ mus after processing, is compared
According to adding 12.5%.
Embodiment 2
The synthesis of samarium-tyrosine two-element match：A certain amount of samarium oxide solid is weighed, is dissolved in watery hydrochloric acid, allows it to fill
Point reaction and in water-bath slow evaporation to dry；Washed with acetone, be placed in NaOH driers and dry to the obtained tri-chlorination of constant weight
The hydrate of samarium.It is accurate to weigh 1mmol samarium trichloride hydrates, 25mL absolute ethyl alcohols are added, under stirring, are added dropwise thereto
The aqueous solution 3mL of 4mmol tyrosine；Suction filtration after stirring 0.5 hour, is washed with absolute ethyl alcohol, is dried on silica gel to constant weight system
Obtain samarium-tyrosine two-element match.
The preparation of RE microbial fertilizer：(N+P):K:The weight ratio of samarium-tyrosine two-element match is：40:0.6:0.05.
Stirring and dissolving is added to the water with RE microbial fertilizer, sodium selenite, sodium hydrogensulfite and surfactant, mixed liquor is obtained
Method be：With weight than 20 parts of RE microbial fertilizer, 1 part of sodium selenite, 25 parts of stirring mixing of sodium hydrogensulfite.After stirring mixing
Fertilizer be added to temperature be 25 DEG C, weight add 0.1 part of Tween-20 stirring and dissolving than in the water for 2000 parts, use dilute salt
The slightly acidic solution of acid for adjusting pH value 6.0.10~50 parts of RE microbial fertilizer, 0.05~3 part of sodium selenite, 10~50 parts of sodium hydrogensulfite
With 0.05~0.1 part of surfactant
Sprayed for three times in the growth period of the red sage root, N：P weight ratio respectively 18:12,16:14,12:18.
The red sage root of collection is subjected to indices measure.The red sage root sample handled with RE microbial fertilizer and the fertile distributing technology of selenium
In, the content of trace elements of selenium is 120ug/kg, and 9 times are added than control.Effective component tanshinone IIA content is 0.25%,
Content of danshinolic acid B is 4.60%, respectively than control increase by 26.26% and 16.46%.The content of heavy metal copper is 9.0mg/kg,
The content of cadmium is 0.12mg/kg, and the content of arsenic is 0.13mg/kg, and the content of lead is 1.33mg/kg, and the content of mercury is less than
0.005mg/kg, the content of heavy metal is slightly reduced than control, and the content of the residual imidacloprid of agriculture is 0.16mg/kg, is reduced than control
15.79%.Effective cypermethrin and AVM are less than test limit.Red sage root yield is 370kg/ mus after processing, is increased than control
Add 15.6%.
Embodiment 3
The synthesis of lanthanum-serine two-element match：A certain amount of lanthana solid is weighed, is dissolved in watery hydrochloric acid, allows it to fill
Point reaction and in water-bath slow evaporation to dry；Washed with acetone, be placed in NaOH driers and dry to the obtained tri-chlorination of constant weight
The hydrate of lanthanum.It is accurate to weigh 1mmol lanthanum trichloride hydrates, 25mL absolute ethyl alcohols are added, under stirring, are added dropwise thereto
The aqueous solution 3mL of 4mmol tyrosine；Suction filtration after stirring 0.5 hour, is washed with absolute ethyl alcohol, is dried on silica gel to constant weight system
Obtain lanthanum-tyrosine two-element match.
The preparation of RE microbial fertilizer：(N+P)：K：The weight ratio of lanthanum-serine two-element match is：20:1:0.02.
Stirring and dissolving is added to the water with RE microbial fertilizer, sodium selenite, sodium hydrogensulfite and surfactant, mixed liquor is obtained
Method be：With weight than 45 parts of RE microbial fertilizer, 2 parts of sodium selenite, 35 parts of stirring mixing of sodium hydrogensulfite.After stirring mixing
Fertilizer be added to temperature be 25 DEG C, weight add 0.1 part of Tween-20 stirring and dissolving than in the water for 5000 parts, use dilute salt
The slightly acidic solution of acid for adjusting pH value 6.0.
Sprayed for three times in the growth period of the red sage root, N：P weight ratio respectively 16:14,16:14,13:17.
With in RE microbial fertilizer and the red sage root sample of the fertile distributing technology processing of selenium, the content of trace elements of selenium is 110ug/kg,
8.17 times are added than control.Effective component tanshinone IIA content is 0.24%, and content of danshinolic acid B is 4.55%, is compared respectively
According to increase by 21.21 and 15.19%.The content of heavy metal copper is 8.15mg/kg, and the content of cadmium is 0.14mg/kg, and the content of arsenic is
0.13mg/kg, the content of lead is 1.30mg/kg, and the content of mercury is less than 0.005mg/kg, and the content of heavy metal slightly drops than control
Low, the content of the residual imidacloprid of agriculture is 0.17mg/kg, and 10.52% is reduced than control.Effective cypermethrin and AVM are less than
Test limit.Red sage root yield is 358kg/ mus after processing, and 11.88% is added than control.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of Radix Salviae Miltiorrhizae rich in selenium composite fertilizer, it is characterised in that the composite fertilizer includes RE microbial fertilizer, sodium selenite, bisulfite
Sodium and surfactant；
The RE microbial fertilizer includes rare earth-amino acid two-element match, nitrogen, phosphorus and potassium.
2. composite fertilizer according to claim 1, it is characterised in that the composite fertilizer includes the component of following parts by weight：It is dilute
0.05~0.1 part of micro- fertile 10~50 parts of soil, 0.05~3 part of sodium selenite, 10~50 parts of sodium hydrogensulfite and surfactant.
3. composite fertilizer according to claim 1, it is characterised in that the RE microbial fertilizer middle rare earth-amino acid binary coordinates
Thing：N：P：K weight ratio is：(0.001~0.05):(10~20):(10~20):(0.4~1).
4. the composite fertilizer according to claim 1 or 3, it is characterised in that the rare earth-amino acid two-element match formula is
REX-(AA)Y, RE is rare earth ion in formula, and AA is amino acid, wherein, X=0.1~1；Y=0.5~6；The RE be La,
Any one trivalent ion in Ce, Pr, Nd, Sm and Eu；The AA be amino acid, the amino acid be lysine, threonine,
Glycine, leucine, isoleucine, valine, methionine, tyrosine, tryptophan or phenylalanine.
5. composite fertilizer according to claim 4, it is characterised in that the preparation side of the rare earth-amino acid two-element match
Method comprises the following steps：
A) rare earth oxide is mixed with watery hydrochloric acid, obtains rare earth-iron-boron；
B) rare earth-iron-boron for obtaining step a) is mixed with absolute ethyl alcohol, and amino acid solution is added dropwise under conditions of stirring,
Complexation reaction obtains rare earth-amino acid two-element match.
6. composite fertilizer according to claim 5, it is characterised in that the mol ratio of the rare earth-iron-boron and amino acid is
(0.1~1):(0.5~6).
7. based on the cultural method of the Radix Salviae Miltiorrhizae rich in selenium of composite fertilizer described in claim 1~6 any one, comprise the following steps：
1) in red sage root period of seedling establishment to red sage root foliage-spray composite fertilizer, the weight ratio of nitrogen and phosphorus is (1.1~2) in the composite fertilizer：
1；
2) after the first tenday period of a month in late April to May, red sage root clipping and carving sequence, foliage-spray composite fertilizer, the weight of nitrogen and phosphorus in the composite fertilizer
Than for (1~1.2)：1；
3) in mid or late June, the weight ratio for cutting off nitrogen and phosphorus in the old bar of the red sage root, foliage-spray composite fertilizer, the composite fertilizer is 1：
(1.3~2)；
During spraying, the weight ratio of the composite fertilizer and water is 1:(2000~10000).
8. cultural method according to claim 7, it is characterised in that the pH value of the composite fertilizer in use is
6.0~6.5.
9. cultural method according to claim 7, it is characterised in that the composite fertilizer sprays selection in cloudy day or fine day
After at 4 points in afternoon, rain is met in 24 hours after spraying, is filled spray 1 time.
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Application publication date: 20171013 |