CN108178687A - Organic water-soluble fertilizer containing selenium, preparation method and its application on rice - Google Patents
Organic water-soluble fertilizer containing selenium, preparation method and its application on rice Download PDFInfo
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- CN108178687A CN108178687A CN201810049821.2A CN201810049821A CN108178687A CN 108178687 A CN108178687 A CN 108178687A CN 201810049821 A CN201810049821 A CN 201810049821A CN 108178687 A CN108178687 A CN 108178687A
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- soluble fertilizer
- organic water
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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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
-
- 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
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
- C05G5/23—Solutions
Abstract
A kind of organic water-soluble fertilizer containing selenium, preparation method and its application on rice, belong to technical field of fertilizers.The preparation method of the organic water-soluble fertilizer containing selenium includes the following steps：According to solid-to-liquid ratio it is 1.5~2.5g by sodium selenate and organic water-soluble fertilizer：The ratio of 30~50mL is uniformly mixed；Wherein, the content of organic matter >=40g/L, N and K in organic water-soluble fertilizer2Total content >=100g/L of O, boron and Zn content are 15~25g/L.This is contained selenium organic water-soluble fertilizer and is effectively combined with organic water-soluble fertilizer using Optimum sodium selenate, can improve the trace elements such as utilization rate and boron make-up, the zinc of selenium in fertilizer.The present invention also provides use the application of organic water-soluble fertilizer containing selenium and organic water-soluble fertilizer containing selenium that the preparation method of the above-mentioned organic water-soluble fertilizer containing selenium is prepared on rice.
Description
Technical field
The invention belongs to technical field of fertilizers, and more particularly to a kind of organic water-soluble fertilizer containing selenium, preparation method and its
Application on rice.
Background technology
Rice is the staple food crop in China, and China's Monitoring of Paddy Rice Plant Area is up to 30,000,000 hectares, the whole nation using rice as
The population of staple food accounts for more than 50% total population, and the nutritive value of rice is high, few containing crude fibre, is easy to digest, various nutrition into
Point can digestibility and absorptivity it is all very high, be our people Major Nutrient supply source.
With the continuous improvement of life, demand of the people to food trace element also increasingly improves, and selenium is needed by human
One of trace element, it is improved the immunity of the human body with anti-aging effects, the effect to preventing from heavy metal.Chinese Soclety of Nutrition is recommended
Selenium daily intaking amount is 50~250 micrograms, but the day selenium intake of China adult only has 26~32 micrograms, 2/3 crowd's selenium intake
Less than recommendation.The area of the low selenium in China or selenium deficiency is up to 72%, and human body selenium deficiency can generate Keshan disease, Kaschin-Beck disease etc., and rich
Selenium agricultural and sideline product is human body supplement selenium element effective way, and the selenium that agricultural and sideline product is carried out by breeding or measures of fertilizer is strengthened, carried
The Se content of high edible part is the important means for solving selenium insufficiency of intake.The rice cultivated using rice selenium-enriching cultivation technology
Absorption of human body utilization rate is high, has boundless application prospect, has great meaning to improving China resident selenium intake deficiency
Justice.
Since crop reduces the bioavilability of selenium with the reduction of pH, and with clay, ferriferous oxide/hydroxide
Object, the content of organic matter raising and reduce, and soil compression and irrigate and can also significantly reduce crop selenium is absorbed and utilized.Research
Show selenite be manured into soil after selenium more than 80% can be in one month by soil fixing, and after selenate is manured into soil
80-95% selenium can be lost in due to irrigation or rainfall, particularly this long-term crop lived in waterflooding environment of rice, selenium
Fixed and loss just seems even more serious.In order to avoid these drawbacks, the production of China's selenium-rich rice at present mainly passes through leaf
The method of face Spraying Se-fertilizer realizes that, by spraying Selenium-rich nutrient solution during rice cropping, the selenium to increase in rice contains
Amount.
Therefore, it is necessary to the fertilizer that a kind of crop selenium absorptivity is high, effect of increasing production is good.
Invention content
The purpose of the present invention is to provide a kind of organic water-soluble fertilizers containing selenium, can improve crop to beneficial element in fertilizer
With the absorption rate of selenium, promote plant growth.
Another object of the present invention is to provide a kind of preparation method of organic water-soluble fertilizer containing selenium, this method is simple for process,
It is easy to operate, the high water soluble fertilizer containing selenium of absorption rate can be prepared.
Another object of the present invention is to provide a kind of application of organic water-soluble fertilizer containing selenium on rice, this contains selenium organic water
Molten fertilizer can improve the speed of growth of rice for Rice Cropping, increase rice yield, and improve in rice polished rice Se content and
The accounting of albumen selenium.
The present invention is solved its technical problem and is realized using following technical scheme：
The present invention proposes a kind of preparation method of the organic water-soluble fertilizer containing selenium, includes the following steps：By sodium selenate with it is organic
Water soluble fertilizer is 1.5~2.5g according to solid-to-liquid ratio：The ratio of 30~50mL is uniformly mixed；Wherein, the organic matter in organic water-soluble fertilizer
Content >=40g/L, N and K2Total content >=100g/L of O.
Further, in present pre-ferred embodiments, the content of boron and zinc is 15~25g/L in organic water-soluble fertilizer.
Further, in present pre-ferred embodiments, sodium selenate is dissolved in water and is configured to selenic acid sodium solution, to sodium selenate
Ammonium humate is added in solution and is uniformly mixing to obtain chelant liquid, chelant liquid is uniformly mixed with organic water-soluble fertilizer.
Further, in present pre-ferred embodiments, the mass ratio of sodium selenate and ammonium humate is 1~2 in chelant liquid：
3~10.
Further, in present pre-ferred embodiments, gelling agent is added in simultaneously when chelant liquid is mixed with organic water-soluble fertilizer
It stirs evenly, gelling agent includes at least one of water soluble chitosan, psicose, sodium alginate.
Further, in present pre-ferred embodiments, after the dosage of gelling agent is chelant liquid and organic water-soluble fertilizer mixing
Quality 3~6%.
The present invention also provides a kind of organic water-soluble fertilizer containing selenium, by the preparation method system of the above-mentioned organic water-soluble fertilizer containing selenium
It is standby to obtain.
The present invention also provides a kind of application of organic water-soluble fertilizer containing selenium on rice, include the following steps, in rice
Full heading time is to rice application above-mentioned organic water-soluble fertilizer containing selenium at least once.
Further, in present pre-ferred embodiments, the amount of application of the organic water-soluble fertilizer containing selenium is 30~45mL/ mus.
Further, in present pre-ferred embodiments, organic water-soluble containing selenium is applied within the 65th~75 day after rice transplanting
Fertilizer.
Organic water-soluble fertilizer containing selenium, preparation method and its advantageous effect of the application on rice of the embodiment of the present invention
It is：Organic water-soluble fertilizer containing selenium provided by the invention is using the organic water-soluble fertilizer of certain nutritional ingredient proportioning with sodium selenate according to science
Proportioning combine be prepared, absorption rate of the plant to beneficial element in fertilizer and selenium can be improved.This contains selenium organic water
The preparation side of molten fertilizer is simple for process, easy to operate.Application of the organic water-soluble fertilizer containing selenium provided by the invention on rice can promote
Selenium is absorbed and utilized into rice, so as to promote paddy growth, and improve rice yield and rice in Se content.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
Have below to organic water-soluble fertilizer containing selenium provided in an embodiment of the present invention, preparation method and fertilization of rice method
Body explanation.
The embodiment of the present invention provides a kind of preparation method of the organic water-soluble fertilizer containing selenium, includes the following steps：By sodium selenate
With organic water-soluble fertilizer according to solid-to-liquid ratio be 1.5~2.5g：The ratio of 30~50mL is uniformly mixed；Wherein, in organic water-soluble fertilizer
The content of organic matter >=40g/L, N and K2Total content >=100g/L of O.The content of boron and zinc is 15~25g/ in organic water-soluble fertilizer
L。
When preparing this and containing selenium organic water-soluble fertilizer, sodium selenate is preferably dissolved in water and is configured to selenic acid sodium solution, it is molten to sodium selenate
Ammonium humate is added in liquid and is uniformly mixing to obtain chelant liquid, chelant liquid is uniformly mixed with organic water-soluble fertilizer, selenium in chelant liquid
The mass ratio of sour sodium and ammonium humate is 1~2：3~10.Further preferably added in when chelant liquid is mixed with organic water-soluble fertilizer
Gelling agent simultaneously stirs evenly, and gelling agent includes at least one of water soluble chitosan, psicose, sodium alginate, gelling agent
Dosage for the quality of chelant liquid and organic water-soluble fertilizer 3~6%.
What the embodiment of the present invention additionally provided that a kind of preparation method using the above-mentioned organic water-soluble fertilizer containing selenium is prepared contains
Selenium organic water-soluble fertilizer.
A kind of organic water-soluble fertilizer containing selenium and preparation method thereof is present embodiments provided, this contains selenium organic water-soluble fertilizer using certain
The organic water-soluble fertilizer of nutritional ingredient proportioning is combined with sodium selenate according to the proportioning of science, and the organic water-soluble fertilizer containing selenium being prepared is inhaled
It receives efficient, the yield of plant and the absorption rate of Selenium By The Plants can be improved.In addition, contain selenium organic water-soluble fertilizer preparing this
When, it compounds to obtain chelant liquid, and the chelant liquid is mixed with organic water-soluble fertilizer using ammonium humate and sodium selenate, be prepared
Organic water-soluble fertilizer containing selenium avoids lack certain elements caused by trophic disturbance, disclosure satisfy that whole elements of paddy growth, and
It can be very good to be absorbed and utilized by rice leaf, and high with absorption efficiency, selenium element is lost in the advantages of low, while can also improve
The slow-release capability of the organic water-soluble fertilizer containing selenium makes to remain in ammonium humate and sodium selenate on blade and continues to be absorbed, improves containing selenium
The constant absorption utilization rate of organic water-soluble fertilizer, plays the role of long-acting getting fat, in order to further improve the scolding tin organic water-soluble fertilizer
Slow-release capability, when chelant liquid is mixed with organic water-soluble fertilizer, a certain amount of water soluble chitosan, A Luo ketone can be added in
The gelling agents such as sugar, sodium alginate are stirred, so as to which the organic water-soluble fertilizer containing selenium being prepared be enable to be sprayed to leaves of plants
Certain moisture can be kept after on piece, so as to continue to be absorbed by plant leaf blade in a longer period of time, greatly improves plant pair
The absorption rate of the organic water-soluble fertilizer containing selenium.
The embodiment of the present invention additionally provides a kind of application of organic water-soluble fertilizer containing selenium on rice, includes the following steps,
S001, whole field；Crop field is turned over, applies 100~160kg organic fertilizers per acre as base fertilizer, base fertilizer is raked immediately after spreading fertilizer over the fields
Rake carefully turn over it is even, and along the longitudinally spaced 12~18m in crop field opens longitudinal furrow, 40~60m of lateral separation opens traverse furrow, the furrow width 50 of mesosulcus
~80cm, 30~40cm of ditch depth, 20~40cm of furrow width, the 30~40cm of ditch depth of traverse furrow.
S002, nursery；The seed rice for choosing full grains is sowed in rice seedling bed, and 40~80g/m is after planting pressed in rice seedling bed2's
Dosage applies quick lime, and builds roof insulating in rice seedling bed and controlled into trip temperature, in one heart stage of leaf, ensures roof insulating during emergence
Interior temperature is 26~28 DEG C；In two one heart stages of leaf, when the height of rice shoot is 6~8cm, ensure heat preservation temperature of shed 21~24
℃；In three one heart stages of leaf, when the height of rice shoot reaches 8~9cm, ensure heat preservation temperature of shed at 20~24 DEG C；In three leaves
Rice shoot is made to keep ventilation and outdoor state after phase.
S003, rice transplanting：When the height of rice shoot reaches more than 10cm, above-mentioned seedling with adhering soil is dug out, is transplanted in rice field,
Make 15~20cm of interval holding between rice shoot, pour water into traverse furrow, longitudinal furrow, and be maintained at the depth of water as 2~3cm.
S004, field management；Normal irrigate and top dressing processing, and in full heading time to water is carried out at tillering stage and heading stage
Rice applies organic water-soluble fertilizer containing selenium above-mentioned at least once, and the amount of application of the organic water-soluble fertilizer containing selenium is 30~45mL/ mus；It is preferred that
Apply organic water-soluble fertilizer containing selenium within the 65th~75 day after rice transplanting rice transplanting.
S005, harvest：It is gathered in when spike of rice is in golden yellow full.
Fertilization of rice method provided in an embodiment of the present invention includes turning over whole field, using base fertilizer, trench digging, sowing, nursery, shifting
Seedling rice transplanting, field management, top dressing and harvest, this method uses scientific and reasonable field management means, by rice full heading time
Organic water-soluble fertilizer containing selenium provided by the invention is imposed, the speed of growth of rice can be improved, promotes paddy growth, improves rice pair
The recovery utilization rate of selenium, boron and other beneficial elements in fertilizer, and enable rice long lasting for absorption organic water containing selenium
The beneficial element being sustained in molten fertilizer, so as to effectively improve the disease and insect resistance of rice plant, lodging tolerance, improves the growth of rice
Speed, setting percentage and mass of 1000 kernel, and significantly improve the accounting of the Se content and albumen selenium in rice production polished rice.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment 1
A kind of application of organic water-soluble fertilizer containing selenium on rice is present embodiments provided, i.e., contains selenium organic water-soluble fertilizer using this
Fertilization of rice method, include the following steps：
S101, whole field；Crop field is turned over, applies 120kg organic fertilizers per acre as base fertilizer, base fertilizer after spreading fertilizer over the fields is raked and carefully turned over immediately
It is even, and along the longitudinally spaced 15m in crop field opens longitudinal furrow, lateral separation 50m opens traverse furrow, furrow width 60cm, the ditch depth 30cm of mesosulcus are horizontal
Furrow width 30cm, the ditch depth 35cm of ditch.
S102, nursery；The seed rice for choosing full grains is sowed in rice seedling bed, and 60g/m is after planting pressed in rice seedling bed2Dosage
It using quick lime, and builds roof insulating in rice seedling bed and is controlled into trip temperature, in one heart stage of leaf, ensure warm in roof insulating during emergence
Spend is 28 DEG C；In two one heart stages of leaf, when the height of rice shoot is 8cm, ensure heat preservation temperature of shed at 22 DEG C；In one heart stage of three leaves
When, when the height of rice shoot reaches 9cm, ensure heat preservation temperature of shed at 20 DEG C；Rice shoot is made to keep ventilation and dew after tri-leaf period
Its state.
S103, rice transplanting：When the height of rice shoot reaches more than 10cm, above-mentioned seedling with adhering soil is dug out, is transplanted in rice field,
Make the interval holding 16cm between rice shoot, pour water into traverse furrow, longitudinal furrow, and be maintained at the depth of water as 3cm.
S104, field management；Normal irrigate and top dressing processing, and in full heading time to water is carried out at tillering stage and heading stage
The primary above-mentioned organic water-soluble fertilizer containing selenium of rice application, the amount of application of the organic water-soluble fertilizer containing selenium is 30mL/ mus.Wherein, it is organic containing selenium
Water soluble fertilizer is prepared by following methods：1.8g sodium selenates are dissolved in water and are configured to selenic acid sodium solution, are added into selenic acid sodium solution
Enter 9g ammonium humates and be uniformly mixing to obtain chelant liquid, chelant liquid with organic water-soluble fertilizer is uniformly mixed, makes selenic acid in chelant liquid
The quality of sodium and the volume ratio of organic water-soluble fertilizer are 1.8g：30mL adds in water when then chelant liquid is mixed with organic water-soluble fertilizer
Soluble chitosan is simultaneously stirred evenly up to organic water-soluble fertilizer containing selenium, and the dosage of water soluble chitosan is chelant liquid and organic water-soluble fertilizer
Quality 3%, the content of organic matter >=40g/L, N and K in organic water-soluble fertilizer2Total content >=100g/L of O.Organic water-soluble fertilizer
The content of middle boron and zinc is 25g/L.Organic water-soluble fertilizer containing selenium using when be dissolved in the water of 30L and being sprayed.
S105, harvest：It is gathered in when spike of rice is in golden yellow full.
The rice of harvest is weighed and detected, rice polished rice Se content is 775.7 μ g/kg, and the yield of rice is
580kg/ mus.
Embodiment 2
A kind of application of organic water-soluble fertilizer containing selenium on rice is present embodiments provided, i.e., contains selenium organic water-soluble fertilizer using this
Fertilization of rice method, include the following steps：
S201, whole field；Crop field is turned over, applies 150kg organic fertilizers per acre as base fertilizer, base fertilizer after spreading fertilizer over the fields is raked and carefully turned over immediately
It is even, and along the longitudinally spaced 16m in crop field opens longitudinal furrow, lateral separation 50m opens traverse furrow, furrow width 60cm, the ditch depth 35cm of mesosulcus are horizontal
Furrow width 20cm, the ditch depth 30cm of ditch.
S202, nursery；The seed rice for choosing full grains is sowed in rice seedling bed, and 40g/m is after planting pressed in rice seedling bed2Dosage
It using quick lime, and builds roof insulating in rice seedling bed and is controlled into trip temperature, in one heart stage of leaf, ensure warm in roof insulating during emergence
Spend is 26 DEG C；In two one heart stages of leaf, when the height of rice shoot is 6.5cm, ensure heat preservation temperature of shed at 21 DEG C；In three leaves wholeheartedly
During the phase, when the height of rice shoot reaches 8.5cm, ensure heat preservation temperature of shed at 20 DEG C；Rice shoot is made to keep ventilation after tri-leaf period
With outdoor state.
S203, rice transplanting：When the height of rice shoot reaches more than 10cm, above-mentioned seedling with adhering soil is dug out, is transplanted in rice field,
Make the interval holding 15cm between rice shoot, pour water into traverse furrow, longitudinal furrow, and be maintained at the depth of water as 2cm.
S204, field management；Normal irrigate and top dressing processing, and in full heading time to water is carried out at tillering stage and heading stage
Rice applies organic water-soluble fertilizer containing selenium above-mentioned twice, and the amount of application of the organic water-soluble fertilizer containing selenium is 35mL/ mus, in rice transplanting rice transplanting
The 65th day and the 75th day afterwards contains selenium organic water-soluble fertilizer using this respectively.Wherein, organic water-soluble fertilizer containing selenium is prepared by following methods
It obtains：1.8g sodium selenates are dissolved in water and are configured to selenic acid sodium solution, 12g ammonium humates are added in into selenic acid sodium solution and are stirred equal
It is even to obtain chelant liquid, chelant liquid with organic water-soluble fertilizer is uniformly mixed, makes the quality and organic water-soluble fertilizer of sodium selenate in chelant liquid
Volume ratio be 1.8g：35mL, the content of organic matter >=40g/L, N and K in organic water-soluble fertilizer2Total content >=100g/L of O.Have
The content of boron and zinc is 20g/L in machine Water soluble fertilizer.Organic water-soluble fertilizer containing selenium using when be dissolved in the water of 30L and being sprayed.
S205, harvest：It is gathered in when spike of rice is in golden yellow full.
The rice of harvest is weighed and detected, rice polished rice Se content is 758.2 μ g/kg, and the yield of rice is
594kg/ mus.
Embodiment 3
A kind of application of organic water-soluble fertilizer containing selenium on rice is present embodiments provided, i.e., contains selenium organic water-soluble fertilizer using this
Fertilization of rice method, include the following steps：
S301, whole field；Crop field is turned over, applies 160kg organic fertilizers per acre as base fertilizer, base fertilizer after spreading fertilizer over the fields is raked and carefully turned over immediately
It is even, and along the longitudinally spaced 18m in crop field opens longitudinal furrow, lateral separation 60m opens traverse furrow, furrow width 80cm, the ditch depth 40cm of mesosulcus are horizontal
Furrow width 40cm, the ditch depth 40cm of ditch.
S302, nursery；The seed rice for choosing full grains is sowed in rice seedling bed, and 80g/m is after planting pressed in rice seedling bed2Dosage
It using quick lime, and builds roof insulating in rice seedling bed and is controlled into trip temperature, in one heart stage of leaf, ensure warm in roof insulating during emergence
Spend is 28 DEG C；In two one heart stages of leaf, when the height of rice shoot is 8cm, ensure heat preservation temperature of shed at 24 DEG C；In one heart stage of three leaves
When, when the height of rice shoot reaches 9cm, ensure heat preservation temperature of shed at 21 DEG C；Rice shoot is made to keep ventilation and dew after tri-leaf period
Its state.
S303, rice transplanting：When the height of rice shoot reaches 10cm, above-mentioned seedling with adhering soil is dug out, is transplanted in rice field, makes seedling
Interval holding 15cm between seedling, pours water into traverse furrow, longitudinal furrow, and is maintained at the depth of water as 2.5cm.
S304, field management；Normal irrigate and top dressing processing, and in full heading time to water is carried out at tillering stage and heading stage
The primary above-mentioned organic water-soluble fertilizer containing selenium of rice application, the amount of application of the organic water-soluble fertilizer containing selenium is 45mL/ mus, in rice transplanting rice transplanting
Apply organic water-soluble fertilizer containing selenium in the 70th day afterwards.Wherein, organic water-soluble fertilizer containing selenium is prepared by following methods：By 1.8g selenic acids
Sodium is dissolved in water and is configured to selenic acid sodium solution, and selenic acid sodium solution is with organic water-soluble fertilizer according to sodium selenate：Water solid-to-liquid ratio is 1.8g：45mL
Ratio be uniformly mixed, the content of organic matter >=40g/L, N and K in organic water-soluble fertilizer2Total content >=100g/L of O.Organic water
The content of boron and zinc is 15g/L in molten fertilizer.Organic water-soluble fertilizer containing selenium using when be dissolved in the water of 30L and being sprayed.
S305, harvest：It is gathered in when spike of rice is in golden yellow full.
The rice of harvest is weighed and detected, rice polished rice Se content is 788.0 μ g/kg, and the yield of rice is
584kg/ mus.
Comparative example 1
Comparative example 1 provides a kind of method of rice application selenium fertilizer, and difference lies in comparative examples with embodiment 3 unique
Selected selenium source is sodium selenite.
The rice of harvest is weighed and detected, rice polished rice Se content is 366 μ g/kg, and the yield of rice is
577kg/ mus.
Comparative example 2
Comparative example 2 provides a kind of method of rice application selenium fertilizer, and difference lies in comparative examples 2 with embodiment 3 unique
Selenium fertilizer be only selenate configuration aqueous solution containing selenium.
The rice of harvest is weighed and detected, rice polished rice Se content is 669.1 μ g/kg, and the yield of rice is
547kg/ mus.
Comparative example 3
Comparative example 3 provides a kind of method using selenium fertilizer of rice, with embodiment 3 it is unique difference lies in, comparison
Example 3 sprays organic water-soluble fertilizer containing selenium in late tillering state.
The rice of harvest is weighed and detected, rice polished rice Se content is 268.7 μ g/kg, and the yield of rice is
579kg/ mus.
It can be seen that organic water-soluble fertilizer containing selenium provided by the invention and its method of administration on rice can mu receipts rice
580~594kg/ mus of polished rice, rice polished rice Se content is 740~790.0 μ g/kg, compared to application using sodium selenite as selenium source
Foliar fertilizer or the only aqueous solution containing selenate apply foliar fertilizer containing selenium, rice provided by the invention in rice tillering latter stage
Fertilizing method improves 6.0~8.6% rice yield, and improves 13~193% rice polished rice Se content, and several
Albumen selenium accounts for 45% or so of total Se content without significant difference in the rice polished rice that method harvests.For total, we
Method makes rice increase more than 23% to the utilization ratio of selenium.
In conclusion the organic water-soluble fertilizer containing selenium of the embodiment of the present invention determines suitable selenium source and its and organic water-soluble fertilizer
Appropriate proportioning, and rational Dressing date is determined, can effectively improve rice and selenium in fertilizer is absorbed and utilized and supplemented
The trace elements such as boron zinc.Contain selenium organic water-soluble fertilizer using this in the full heading time of rice, the growth of rice can be effectively promoted,
Improve the absorption rate of Se content in the yield of rice, rice polished rice and rice to selenium.
Embodiments described above is part of the embodiment of the present invention, instead of all the embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. the preparation method of a kind of organic water-soluble fertilizer containing selenium, which is characterized in that it includes the following steps：By sodium selenate and organic water
Molten fertilizer is 1.5~2.5g according to solid-to-liquid ratio：The ratio of 30~50mL is uniformly mixed；Wherein, it is organic in the organic water-soluble fertilizer
Matter content >=40g/L, N and K2Total content >=100g/L of O.
2. the preparation method of the organic water-soluble fertilizer according to claim 1 containing selenium, which is characterized in that in the organic water-soluble fertilizer
The content of boron and zinc is 15~25g/L.
3. the preparation method of the organic water-soluble fertilizer according to claim 1 containing selenium, which is characterized in that be dissolved in the sodium selenate
Water is configured to selenic acid sodium solution, and ammonium humate is added in into the selenic acid sodium solution and is uniformly mixing to obtain chelant liquid, by described in
Chelant liquid is uniformly mixed with the organic water-soluble fertilizer.
4. the preparation method of the organic water-soluble fertilizer according to claim 3 containing selenium, which is characterized in that described in the chelant liquid
The mass ratio of sodium selenate and the ammonium humate is 1~2：3~10.
5. the preparation method of the organic water-soluble fertilizer according to claim 3 containing selenium, which is characterized in that by the chelant liquid and institute
Gelling agent is added in when stating organic water-soluble fertilizer mixing and is stirred evenly, the gelling agent includes water soluble chitosan, psicose, sea
At least one of mosanom.
6. the preparation method of the organic water-soluble fertilizer according to claim 5 containing selenium, which is characterized in that the dosage of the gelling agent
3~6% for the chelant liquid and the mixed quality of the organic water-soluble fertilizer.
7. a kind of organic water-soluble fertilizer containing selenium, which is characterized in that it is as the organic water containing selenium as described in any one of claim 1-6
The preparation method of molten fertilizer is prepared.
8. application of a kind of organic water-soluble fertilizer containing selenium on rice, which is characterized in that it includes the following steps, in rice full heading time
To rice application organic water-soluble fertilizer containing selenium as described in claim 7 at least once.
9. application of the organic water-soluble fertilizer containing selenium according to claim 8 on rice, which is characterized in that described organic containing selenium
The amount of application of Water soluble fertilizer is 30~45mL/ mus.
10. application of the organic water-soluble fertilizer containing selenium according to claim 8 on rice, which is characterized in that in the rice
The organic water-soluble fertilizer containing selenium of application in 65th~75 day after transplanting.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN110698279A (en) * | 2019-11-29 | 2020-01-17 | 华中农业大学 | Compound fertilizer and preparation method and application thereof |
| CN111943756A (en) * | 2020-08-24 | 2020-11-17 | 浙江省柑桔研究所 | Selenium-supplementing fertilizer for citrus leaf surfaces and spraying method thereof |
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