CN109673420A - A kind of selenium-rich asparagus implantation methods - Google Patents
A kind of selenium-rich asparagus implantation methods Download PDFInfo
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- CN109673420A CN109673420A CN201710745850.8A CN201710745850A CN109673420A CN 109673420 A CN109673420 A CN 109673420A CN 201710745850 A CN201710745850 A CN 201710745850A CN 109673420 A CN109673420 A CN 109673420A
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- C—CHEMISTRY; METALLURGY
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- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F11/00—Other organic fertilisers
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- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
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- 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
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
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Abstract
The present invention relates to agriculture field, especially a kind of selenium-rich asparagus implantation methods.The present invention carries out buried in the soil in the planting process of asparagus, by decomposed manure, organic selenium-rich fertilizer, substantially increases soil fertility and Se content；Full garden spray and asparagus stem is carried out with the extracting solution of radix euphorbiae lantu, garlic to smear, given full play to they drive, desinsection and sterilizing disease prevention effect, obtain one kind and do not need using pesticide, fertilizer amount is few, the higher implantation methods of gained selenium-rich asparagus Se content.The asparagus planted by this method, Se content are higher.
Description
Technical field
The invention belongs to agriculture field, especially a kind of selenium-rich asparagus implantation methods.
Background technique
Asparagus, also known as asparagus are a kind of health-care nutritive top grade vegetables being loved by consumers, and matter is tender delicious,
Full of nutrition, unique flavor is known as the good reputation of " kings of vegetables ", originates in temperate zone, winter dormancy, and spring is taken out by underground bulbil disk
It bears tender stem and forms yield, after harvesting a period of time, be allowed to grow, until spring in next year, row harvested tender stem again.Asparagus is perennial
Plant is planted, can continuously harvest 8-10 for 1 year.
Selenium is a kind of chemical element, and chemical symbol is Se, and period 4 Group VIA is located in the periodic table of chemical element, is
It is a kind of nonmetallic.
1973, WHO and international nutritive issue confirmation selenium were behaved and necessary microelement in animal body.Due in human body
The organ of long-term storage selenium is not present in selenium, and selenium needed for body should constantly obtain the selenium of sufficient amount from diet, selenium concentration
Balance has important protective effect and facilitation to the physiological function of many organs, tissue.When selenium deficiency, just very
It is easy to cause human immunological competence to decline, threatens more than 40 kinds of diseases of human health and life all related with human body selenium deficiency, such as
The symptoms such as cancer, cardiovascular disease, hepatopathy, cataract, pancreatic disease, diabetes, genital system diseases.
For normal, everyone daily total requiremants more than the daily food of Chinese adult 25 microgram of outer selenium-supply has health care
Effect；It is more than outer 50 microgram of selenium-supply of the daily food of selenium deficiency adult or 75 micrograms.Due to selenium deficiency in the soil of China 72%, in day
In right food, the cereal crops Se content such as wheat, rice, corn as staple food crop is below 40 μ g/kg, state's day for human beings
Minimum intake of the normal selenium intake lower than 50 μ g of world health organisation recommendations, day selenium intake there was only 30~45 μ g, it is low
In countries such as Japan, Canada, the U.S..
Therefore, exploitation selenium-enriched food is extremely urgent.Since utilization rate of the people to organic selenium in plant is higher, reach
70%-90%, and it is lower to the utilization rate of selenium in animal product, only 50% or so, therefore the center for developing selenium-enriched food is answered
It is placed on vegetalitas selenium-enriched food, and asparagus is a kind of natural green food full of nutrition for having Enriching Selenium ability.
Summary of the invention
In order to solve the above technical problems existing in the prior art, the present invention provides a kind of selenium-rich asparagus implantation methods,
It is achieved particular by following technical scheme:
(1) soil arranges: soil uniformly buried decomposed manure 3000-4000kg, nitrogen-phosphorus-potassium compound fertilizer 25- per acre
35kg, organic selenium-rich fertilizer 80-120kg, deep plough 30-40cm in full field, is uniformly mixed soil and fertilizer；
(2) it planting culture: is colonized by 0.8-1.0m line-spacing trench digging, spacing in the rows 20-25cm, 2800-3000 plants per acre；
(3) fertilizer and water management: 1st month after field planting, urea 10-13kg, decomposed manure 10-13kg are imposed per acre, later
Nitrogen-phosphorus-potassium compound fertilizer 14-18kg is monthly imposed per acre, sprays blade face selenium-rich fertilizer 10-15kg；Field planting second year starts, spring harvesting
Preceding decomposed manure 3000-4000kg buried per acre, nitrogen-phosphorus-potassium compound fertilizer 25-35kg, organic selenium-rich fertilizer 80-120kg, adopt bamboo shoot
After impose nitrogen-phosphorus-potassium compound fertilizer 10-15kg per acre, September part buried organic fertilizer 2100-2400kg, organic selenium-rich fertilizer per acre
45-55kg；
(4) harvest: field planting current year does not adopt bamboo shoot；The next spring does not harvest, and early June starts to harvest the new tender stem for taking out hair,
Harvesting 40-60 days, female stem is sliced off, stay stem again later；Early April starts to adopt bamboo shoot 40-60 days after second year, and every plant later
2-3 branch mother's stem is stayed, then has more tender stem and carries out secondary recovery in time, until early August stops harvesting；
(5) prevent and treat pest management: upper and lower ten days in May respectively carries out smearing 1 to asparagus stem with radix euphorbiae lantu, garlic mixed extract
It is secondary, upper, middle and lower ten days in June full garden respectively is carried out with radix euphorbiae lantu, garlic mixed extract spray 1 time.Radix euphorbiae lantu, garlic have good kill
Worm, antibacterial ability carry out preventing disease and pest processing to asparagus using it, pest and disease damage incidence can be effectively reduced, instead of pesticide
It uses.
The organic selenium-rich fertilizer is to mix selenium mineral powder and farmyard manure according to the ratio of weight ratio 1:2, selenium element content
For 70-80mgkg-1.
The organic selenium-rich fertilizer is the sodium selenite that 0.012-0.018% is added into farmyard manure, obtains after mixing.
The organic selenium-rich fertilizer, be by clover it is decomposed after, the sodium selenite of 0.006-0.009% is added, is obtained after mixing.
There is Se content abundant in clover, and be mostly organic selenium, more conducively the absorption and utilization of plant.
Blade face selenium-rich fertilizer, is to take sodium selenite powder, and water is added to be made into the selenium solution that Se content is 10g/L, with preceding dilute
Release 100 times of applications.
The blade face selenium-rich fertilizer is the sodium selenite that 0.010-0.012% is added into clover extracting solution, after mixing
It arrives.
The clover extracting solution is that clover is ground into slurry, and 95% ethanol solution of equivalent, 65 DEG C of ultrasonic water bath heating are added
2h is extracted, filtrate is filtered to take.
The radix euphorbiae lantu, garlic mixed extract are to mix radix euphorbiae lantu, garlic according to the ratio of 3:1, smash and be slurried, be added
65% ethanol solution of equivalent, 50 DEG C of ultrasonic water bath heating extraction 4-6h to get.
Compared with prior art, the technical effect of the invention is embodied in:
The present invention is buried in the soil using decomposed manure, organic selenium-rich fertilizer in the planting process of asparagus, improves
Soil fertility and Se content；Carry out full garden spray with the extracting solution of radix euphorbiae lantu, garlic and asparagus stem smeared, reach deinsectization,
The effect of sterilizing disease prevention obtains one kind and does not need using pesticide, and fertilizer amount is few, the higher plantation of gained selenium-rich asparagus Se content
Method.The asparagus planted by this method, Se content are higher.
Specific embodiment
It is limited below with reference to specific embodiment technical solution of the present invention is further, but claimed
Range is not only limited to made description.
Embodiment 1
A kind of selenium-rich asparagus implantation methods, include the following steps:
(1) soil arranges: soil uniformly buried decomposed manure 3500kg, nitrogen-phosphorus-potassium compound fertilizer 30kg, You Jifu per acre
Selenium fertilizer 100kg, deep plough 35cm in full field, is uniformly mixed soil and fertilizer；
(2) it planting culture: is colonized by 0.9m line-spacing trench digging, spacing in the rows 22.5cm, 2900 plants per acre；
(3) fertilizer and water management: 1st month after field planting, urea 11.5kg, decomposed manure 11.5kg are imposed per acre, often later
The moon imposes nitrogen-phosphorus-potassium compound fertilizer 16kg per acre, sprays blade face selenium-rich fertilizer 12.5kg；Field planting second year starts, before spring harvesting per acre
The buried decomposed manure 3500kg in ground, nitrogen-phosphorus-potassium compound fertilizer 30kg, organic selenium-rich fertilizer 100kg, impose nitrogen after adopting bamboo shoot per acre
Phosphorus potassium complex fertilizer 12.5kg, September part buried organic fertilizer 2250kg, organic selenium-rich fertilizer 50kg per acre；
(4) harvest: field planting current year does not adopt bamboo shoot；The next spring does not harvest, and early June starts to harvest the new tender stem for taking out hair,
Harvesting 50 days, female stem is sliced off, stay stem again later；Early April starts to adopt bamboo shoot 50 days after second year, stays 2-3 for every plant later
Branch mother's stem, then have more tender stem and carry out secondary recovery in time, until early August stops harvesting；
(5) prevent and treat pest management: upper and lower ten days in May respectively carries out smearing 1 to asparagus stem with radix euphorbiae lantu, garlic mixed extract
It is secondary, upper, middle and lower ten days in June full garden respectively is carried out with radix euphorbiae lantu, garlic mixed extract spray 1 time.
The organic selenium-rich fertilizer is to mix selenium mineral powder and farmyard manure according to the ratio of weight ratio 1:2, selenium element content
For 75mgkg-1.
Blade face selenium-rich fertilizer, is to take sodium selenite powder, and water is added to be made into the selenium solution that Se content is 10g/L, with preceding dilute
Release 100 times of applications.
The clover extracting solution is that clover is ground into slurry, and 95% ethanol solution of equivalent, 65 DEG C of ultrasonic water bath heating are added
2h is extracted, filtrate is filtered to take.
The radix euphorbiae lantu, garlic mixed extract are to mix radix euphorbiae lantu, garlic according to the ratio of 3:1, smash and be slurried, be added
65% ethanol solution of equivalent, 50 DEG C of ultrasonic water bath heating extraction 4-6h to get.
Embodiment 2
A kind of selenium-rich asparagus implantation methods, include the following steps:
(1) soil arranges: soil uniformly buried decomposed manure 3000kg, nitrogen-phosphorus-potassium compound fertilizer 25kg, You Jifu per acre
Selenium fertilizer 80kg, deep plough 30cm in full field, is uniformly mixed soil and fertilizer；
(2) it planting culture: is colonized by 0.8m line-spacing trench digging, spacing in the rows 20cm, 2800 plants per acre；
(3) fertilizer and water management: 1st month after field planting, imposing urea 10kg, decomposed manure 10kg per acre, monthly every later
Mu imposes nitrogen-phosphorus-potassium compound fertilizer 14kg, sprays blade face selenium-rich fertilizer 10kg；Field planting second year starts, buried per acre before spring harvesting
It is compound to impose N P and K after adopting bamboo shoot per acre by decomposed manure 3000kg, nitrogen-phosphorus-potassium compound fertilizer 25kg, organic selenium-rich fertilizer 80kg
Fertile 10kg, September part buried organic fertilizer 2100kg, organic selenium-rich fertilizer 45kg per acre；
(4) harvest: field planting current year does not adopt bamboo shoot；The next spring does not harvest, and early June starts to harvest the new tender stem for taking out hair,
Harvesting 40 days, female stem is sliced off, stay stem again later；Early April starts to adopt bamboo shoot 40 days after second year, stays 2-3 for every plant later
Branch mother's stem, then have more tender stem and carry out secondary recovery in time, until early August stops harvesting；
(5) prevent and treat pest management: upper and lower ten days in May respectively carries out smearing 1 to asparagus stem with radix euphorbiae lantu, garlic mixed extract
It is secondary, upper, middle and lower ten days in June full garden respectively is carried out with radix euphorbiae lantu, garlic mixed extract spray 1 time.
The organic selenium-rich fertilizer is to mix selenium mineral powder and farmyard manure according to the ratio of weight ratio 1:2, selenium element content
For 75mgkg-1.
Blade face selenium-rich fertilizer, is to take sodium selenite powder, and water is added to be made into the selenium solution that Se content is 10g/L, with preceding dilute
Release 100 times of applications.
The clover extracting solution is that clover is ground into slurry, and 95% ethanol solution of equivalent, 65 DEG C of ultrasonic water bath heating are added
2h is extracted, filtrate is filtered to take.
The radix euphorbiae lantu, garlic mixed extract are to mix radix euphorbiae lantu, garlic according to the ratio of 3:1, smash and be slurried, be added
65% ethanol solution of equivalent, 50 DEG C of ultrasonic water bath heating extraction 4-6h to get.
Embodiment 3
A kind of selenium-rich asparagus implantation methods, include the following steps:
(1) soil arranges: soil uniformly buried decomposed manure 4000kg, nitrogen-phosphorus-potassium compound fertilizer 35kg, You Jifu per acre
Selenium fertilizer 120kg, deep plough 40cm in full field, is uniformly mixed soil and fertilizer；
(2) it planting culture: is colonized by 1m line-spacing trench digging, spacing in the rows 25cm, 3000 plants per acre；
(3) fertilizer and water management: 1st month after field planting, imposing urea 13kg, decomposed manure 13kg per acre, monthly every later
Mu imposes nitrogen-phosphorus-potassium compound fertilizer 18kg, sprays blade face selenium-rich fertilizer 15kg；Field planting second year starts, buried per acre before spring harvesting
Decomposed manure 4000kg, nitrogen-phosphorus-potassium compound fertilizer 35kg, organic selenium-rich fertilizer 120kg, impose azophoska after adopting bamboo shoot per acre
Hefei 15kg, September part buried organic fertilizer 2400kg, organic selenium-rich fertilizer 55kg per acre；
(4) harvest: field planting current year does not adopt bamboo shoot；The next spring does not harvest, and early June starts to harvest the new tender stem for taking out hair,
Harvesting 60 days, female stem is sliced off, stay stem again later；Early April starts to adopt bamboo shoot 60 days after second year, stays 2-3 for every plant later
Branch mother's stem, then have more tender stem and carry out secondary recovery in time, until early August stops harvesting；
(5) prevent and treat pest management: upper and lower ten days in May respectively carries out smearing 1 to asparagus stem with radix euphorbiae lantu, garlic mixed extract
It is secondary, upper, middle and lower ten days in June full garden respectively is carried out with radix euphorbiae lantu, garlic mixed extract spray 1 time.
The organic selenium-rich fertilizer is to mix selenium mineral powder and farmyard manure according to the ratio of weight ratio 1:2, selenium element content
For 75mgkg-1.
Blade face selenium-rich fertilizer, is to take sodium selenite powder, and water is added to be made into the selenium solution that Se content is 10g/L, with preceding dilute
Release 100 times of applications.
The clover extracting solution is that clover is ground into slurry, and 95% ethanol solution of equivalent, 65 DEG C of ultrasonic water bath heating are added
2h is extracted, filtrate is filtered to take.
The radix euphorbiae lantu, garlic mixed extract are to mix radix euphorbiae lantu, garlic according to the ratio of 3:1, smash and be slurried, be added
65% ethanol solution of equivalent, 50 DEG C of ultrasonic water bath heating extraction 4-6h to get.
Embodiment 4
A kind of selenium-rich asparagus implantation methods, include the following steps:
(1) soil arranges: soil uniformly buried decomposed manure 3500kg, nitrogen-phosphorus-potassium compound fertilizer 30kg, You Jifu per acre
Selenium fertilizer 100kg, deep plough 35cm in full field, is uniformly mixed soil and fertilizer；
(2) it planting culture: is colonized by 0.9m line-spacing trench digging, spacing in the rows 22.5cm, 2900 plants per acre；
(3) fertilizer and water management: 1st month after field planting, urea 11.5kg, decomposed manure 11.5kg are imposed per acre, often later
The moon imposes nitrogen-phosphorus-potassium compound fertilizer 16kg per acre, sprays blade face selenium-rich fertilizer 12.5kg；Field planting second year starts, before spring harvesting per acre
The buried decomposed manure 3500kg in ground, nitrogen-phosphorus-potassium compound fertilizer 30kg, organic selenium-rich fertilizer 100kg, impose nitrogen after adopting bamboo shoot per acre
Phosphorus potassium complex fertilizer 12.5kg, September part buried organic fertilizer 2250kg, organic selenium-rich fertilizer 50kg per acre；
(4) harvest: field planting current year does not adopt bamboo shoot；The next spring does not harvest, and early June starts to harvest the new tender stem for taking out hair,
Harvesting 50 days, female stem is sliced off, stay stem again later；Early April starts to adopt bamboo shoot 50 days after second year, stays 2-3 for every plant later
Branch mother's stem, then have more tender stem and carry out secondary recovery in time, until early August stops harvesting；
(5) prevent and treat pest management: upper and lower ten days in May respectively carries out smearing 1 to asparagus stem with radix euphorbiae lantu, garlic mixed extract
It is secondary, upper, middle and lower ten days in June full garden respectively is carried out with radix euphorbiae lantu, garlic mixed extract spray 1 time.
The organic selenium-rich fertilizer is the sodium selenite that 0.015% is added into farmyard manure, obtains after mixing.
Blade face selenium-rich fertilizer, is to take sodium selenite powder, and water is added to be made into the selenium solution that Se content is 10g/L, with preceding dilute
Release 100 times of applications.
The clover extracting solution is that clover is ground into slurry, and 95% ethanol solution of equivalent, 65 DEG C of ultrasonic water bath heating are added
2h is extracted, filtrate is filtered to take.
The radix euphorbiae lantu, garlic mixed extract are to mix radix euphorbiae lantu, garlic according to the ratio of 3:1, smash and be slurried, be added
65% ethanol solution of equivalent, 50 DEG C of ultrasonic water bath heating extraction 4-6h to get.
Embodiment 5
A kind of selenium-rich asparagus implantation methods, include the following steps:
(1) soil arranges: soil uniformly buried decomposed manure 3500kg, nitrogen-phosphorus-potassium compound fertilizer 30kg, You Jifu per acre
Selenium fertilizer 100kg, deep plough 35cm in full field, is uniformly mixed soil and fertilizer；
(2) it planting culture: is colonized by 0.9m line-spacing trench digging, spacing in the rows 22.5cm, 2900 plants per acre；
(3) fertilizer and water management: 1st month after field planting, urea 11.5kg, decomposed manure 11.5kg are imposed per acre, often later
The moon imposes nitrogen-phosphorus-potassium compound fertilizer 16kg per acre, sprays blade face selenium-rich fertilizer 12.5kg；Field planting second year starts, before spring harvesting per acre
The buried decomposed manure 3500kg in ground, nitrogen-phosphorus-potassium compound fertilizer 30kg, organic selenium-rich fertilizer 100kg, impose nitrogen after adopting bamboo shoot per acre
Phosphorus potassium complex fertilizer 12.5kg, September part buried organic fertilizer 2250kg, organic selenium-rich fertilizer 50kg per acre；
(4) harvest: field planting current year does not adopt bamboo shoot；The next spring does not harvest, and early June starts to harvest the new tender stem for taking out hair,
Harvesting 50 days, female stem is sliced off, stay stem again later；Early April starts to adopt bamboo shoot 50 days after second year, stays 2-3 for every plant later
Branch mother's stem, then have more tender stem and carry out secondary recovery in time, until early August stops harvesting；
(5) prevent and treat pest management: upper and lower ten days in May respectively carries out smearing 1 to asparagus stem with radix euphorbiae lantu, garlic mixed extract
It is secondary, upper, middle and lower ten days in June full garden respectively is carried out with radix euphorbiae lantu, garlic mixed extract spray 1 time.
The organic selenium-rich fertilizer, be by clover it is decomposed after, 0.0075% sodium selenite is added, is obtained after mixing.
Blade face selenium-rich fertilizer, is to take sodium selenite powder, and water is added to be made into the selenium solution that Se content is 10g/L, with preceding dilute
Release 100 times of applications.
The clover extracting solution is that clover is ground into slurry, and 95% ethanol solution of equivalent, 65 DEG C of ultrasonic water bath heating are added
2h is extracted, filtrate is filtered to take.
The radix euphorbiae lantu, garlic mixed extract are to mix radix euphorbiae lantu, garlic according to the ratio of 3:1, smash and be slurried, be added
65% ethanol solution of equivalent, 50 DEG C of ultrasonic water bath heating extraction 4-6h to get.
Embodiment 6
A kind of selenium-rich asparagus implantation methods, include the following steps:
(1) soil arranges: soil uniformly buried decomposed manure 3500kg, nitrogen-phosphorus-potassium compound fertilizer 30kg, You Jifu per acre
Selenium fertilizer 100kg, deep plough 35cm in full field, is uniformly mixed soil and fertilizer；
(2) it planting culture: is colonized by 0.9m line-spacing trench digging, spacing in the rows 22.5cm, 2900 plants per acre；
(3) fertilizer and water management: 1st month after field planting, urea 11.5kg, decomposed manure 11.5kg are imposed per acre, often later
The moon imposes nitrogen-phosphorus-potassium compound fertilizer 16kg per acre, sprays blade face selenium-rich fertilizer 12.5kg；Field planting second year starts, before spring harvesting per acre
The buried decomposed manure 3500kg in ground, nitrogen-phosphorus-potassium compound fertilizer 30kg, organic selenium-rich fertilizer 100kg, impose nitrogen after adopting bamboo shoot per acre
Phosphorus potassium complex fertilizer 12.5kg, September part buried organic fertilizer 2250kg, organic selenium-rich fertilizer 50kg per acre；
(4) harvest: field planting current year does not adopt bamboo shoot；The next spring does not harvest, and early June starts to harvest the new tender stem for taking out hair,
Harvesting 50 days, female stem is sliced off, stay stem again later；Early April starts to adopt bamboo shoot 50 days after second year, stays 2-3 for every plant later
Branch mother's stem, then have more tender stem and carry out secondary recovery in time, until early August stops harvesting；
(5) prevent and treat pest management: upper and lower ten days in May respectively carries out smearing 1 to asparagus stem with radix euphorbiae lantu, garlic mixed extract
It is secondary, upper, middle and lower ten days in June full garden respectively is carried out with radix euphorbiae lantu, garlic mixed extract spray 1 time.
The organic selenium-rich fertilizer is to mix selenium mineral powder and farmyard manure according to the ratio of weight ratio 1:2, selenium element content
For 75mgkg-1.
The blade face selenium-rich fertilizer, is the sodium selenite that 0.010-0.012 is added into clover extracting solution, obtains after mixing.
The clover extracting solution is that clover is ground into slurry, and 95% ethanol solution of equivalent, 65 DEG C of ultrasonic water bath heating are added
2h is extracted, filtrate is filtered to take.
The radix euphorbiae lantu, garlic mixed extract are to mix radix euphorbiae lantu, garlic according to the ratio of 3:1, smash and be slurried, be added
65% ethanol solution of equivalent, 50 DEG C of ultrasonic water bath heating extraction 4-6h to get.
By asparagus obtained by embodiment compared with commercially available selenium-rich asparagus and common asparagus peach, plant out by means of the present invention
Asparagus Se content it is higher；Compared with commercially available selenium-rich asparagus, asparagus organic selenium content, ratio are obviously higher than city obtained by embodiment
Sell selenium-rich asparagus.
Finally it is pointed out that above embodiments are only the more representational examples of the present invention.Obviously, technology of the invention
Scheme is not limited to above-described embodiment, and acceptable there are many deformations.Those skilled in the art can be from disclosed by the invention
All deformations that content is directly exported or associated, are considered as protection scope of the present invention.
Claims (8)
1. a kind of implantation methods of selenium-rich asparagus, which comprises the following steps:
(1) soil arrange: per acre soil uniformly buried decomposed manure 3000-4000kg, nitrogen-phosphorus-potassium compound fertilizer 25-35kg, have
Machine selenium-rich fertilizer 80-120kg, deep plough 30-40cm in full field, is uniformly mixed soil and fertilizer；
(2) it planting culture: is colonized by 0.8-1.0m line-spacing trench digging, spacing in the rows 20-25cm, 2800-3000 plants per acre；
(3) fertilizer and water management: 1st month after field planting, urea 10-13kg, decomposed manure 10-13kg are imposed per acre, later monthly
Nitrogen-phosphorus-potassium compound fertilizer 14-18kg is imposed per acre, sprays blade face selenium-rich fertilizer 10-15kg；Field planting second year starts, every before spring harvesting
Mu buried decomposed manure 3000-4000kg in ground, nitrogen-phosphorus-potassium compound fertilizer 25-35kg, organic selenium-rich fertilizer 80-120kg, adopting bamboo shoot terminates
Impose nitrogen-phosphorus-potassium compound fertilizer 10-15kg per acre afterwards, September part buried organic fertilizer 2100-2400kg, organic selenium-rich fertilizer 45- per acre
55kg；
(4) harvest: field planting current year does not adopt bamboo shoot；The next spring does not harvest, and early June starts to harvest the new tender stem for taking out hair, harvesting
40-60 days, female stem is sliced off later, stays stem again；Early April starts to adopt bamboo shoot 40-60 days after second year, stays 2- for every plant later
3 female stems, then have more tender stem and carry out secondary recovery in time, until early August stops harvesting；
(5) prevent and treat pest management: upper and lower ten days in May respectively carries out smearing 1 time to asparagus stem with radix euphorbiae lantu, garlic mixed extract, and 6
Respectively full garden is carried out with radix euphorbiae lantu, garlic mixed extract in the upper, middle and lower ten days moon to spray 1 time.
2. selenium-rich asparagus implantation methods according to claim 1, which is characterized in that the organic selenium-rich fertilizer is by selenium mine
Powder and farmyard manure are mixed according to the ratio of weight ratio 1:2, and selenium element content is 70-80mgkg-1.
3. selenium-rich asparagus implantation methods according to claim 1, which is characterized in that the organic selenium-rich fertilizer is Xiang Nongjia
The sodium selenite of 0.012-0.018% is added in fertilizer, is obtained after mixing.
4. selenium-rich asparagus implantation methods according to claim 1, which is characterized in that the organic selenium-rich fertilizer is by clover
After decomposed, the sodium selenite of 0.006-0.009% is added, is obtained after mixing.
5. selenium-rich asparagus implantation methods according to claim 1, which is characterized in that the blade face selenium-rich fertilizer, is to take sub- selenium
Sour sodium powder end, adds water to be made into the selenium solution that Se content is 10g/L, with 100 times of applications of preceding dilution.
6. selenium-rich asparagus implantation methods according to claim 1, which is characterized in that the blade face selenium-rich fertilizer, is to clover
The sodium selenite of 0.010-0.012% is added in extracting solution, is obtained after mixing.
7. selenium-rich asparagus implantation methods according to claim 6, which is characterized in that the clover extracting solution is by clover
Crushing is slurried, and 95% ethanol solution of equivalent is added, and 65 DEG C of ultrasonic water bath heating extraction 2h filter to take filtrate.
8. selenium-rich asparagus implantation methods according to claim 1, which is characterized in that the radix euphorbiae lantu, garlic mixed extract,
It is to mix radix euphorbiae lantu, garlic according to the ratio of 3:1, smashes and be slurried, 65% ethanol solution of equivalent is added, 50 DEG C of ultrasonic water baths add
Thermal extraction 4-6h to get.
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