CN109588243A - A kind of cultural method of selenium-rich Pachyrhizua angulatus - Google Patents

A kind of cultural method of selenium-rich Pachyrhizua angulatus Download PDF

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Publication number
CN109588243A
CN109588243A CN201811220644.6A CN201811220644A CN109588243A CN 109588243 A CN109588243 A CN 109588243A CN 201811220644 A CN201811220644 A CN 201811220644A CN 109588243 A CN109588243 A CN 109588243A
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China
Prior art keywords
selenium
water
root
seedling
content
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Chinese (zh)
Inventor
何美军
吴斌
郭坤元
黄东海
王�华
穆森
李宇
张宇
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INSTITUTE OF CHINESE HERBAL MEDICINES HUBEI ACADEMY OF AGRICULTURAL SCIENCES
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INSTITUTE OF CHINESE HERBAL MEDICINES HUBEI ACADEMY OF AGRICULTURAL SCIENCES
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Priority to CN201811220644.6A priority Critical patent/CN109588243A/en
Publication of CN109588243A publication Critical patent/CN109588243A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for
    • A01G22/25Root crops, e.g. potatoes, yams, beet or wasabi
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B79/00Methods for working soil
    • A01B79/02Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C21/00Methods of fertilizing, sowing or planting
    • A01C21/005Following a specific plan, e.g. pattern
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G2/00Vegetative propagation
    • A01G2/10Vegetative propagation by means of cuttings
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion

Abstract

The present invention relates to a kind of cultural methods of selenium-rich Pachyrhizua angulatus, it is characterised in that comprises the steps of: site preparation, applies Se content: 10mg/g selenium fertilizer, nursery, transplant, irrigate Se content: 5mg/l selenium-rich root water, field management, top dressing is three times, Se content: 5mg/l selenium-rich water, harvesting are used every time.It is compared using selenium fertilizer compared with conventional method, it is environmentally protective, while yield is improved, simple process;The effect of selenium-rich pueraria lobata, performance was better than the Pachyrhizua angulatus without selenium, and quality is more preferable, and the market price is higher.

Description

A kind of cultural method of selenium-rich Pachyrhizua angulatus
Technical field
The present invention relates to a kind of cultural methods of selenium-rich Pachyrhizua angulatus.
Background technique
Elegant jessamine (Pueraria lobata (Willd.) Ohwi) is leguminous plant, belongs to medical and edible dual purpose plant, China's distribution Relatively wide, pueraria starch rich in Radix Puerariae contains a kind of substance for being called isoflavones in Radix Puerariae, can improve metabolism Some indexs of syndrome, including blood pressure, high cholesterol ester and blood glucose.The special isoflavones of Puerarin, exists only in elegant jessamine In, it may be possible to most beneficial substance.Studies have shown that Puerarin helps to reduce blood pressure and cholesterolemia.But it have been found that Maximum effect is to adjust blood glucose.Diabetes and obesity can all cause blood Puerarin that can drop by the method for reasonable layout glucose Hypoglycemia such as drops it off useful place (muscle), and reduces it in the distribution of fat cell and blood vessel.
Pachyrhizua angulatus (Pueraria lobata (Willd.) Ohwi var.thomsonii (Benth.) Vaniot der Maesen) it is leguminous plant, belongs to medical and edible dual purpose plant, China is distributed more widely.At the beginning of curing mainly fever caused by exogenous pathogens, rigidity of nape and headache, morbilli It rises, rash is unsmooth out, warm disease is thirsty, quenches one's thirst, diarrhea, dysentery, hypertension, coronary heart disease.Chinese medicine Pachyrhizua angulatus be legume pueraria lobata or The dry root of sweet kudzu is usually excavated in autumn, two season of winter, after removing impurity, is cleaned, is moisturized, be cut into sheet and dry.Its property It is cool, it is sweet in flavor, pungent, there is expelling pathogenic factors from muscles and skin to promote the production of body fluid, promoting eruption, bring down a fever, Shengyang Zhixie and other effects, cures mainly fever caused by exogenous pathogens headache, stiff nape and back, fiber crops The diseases such as rash is impermeable, thirsty, diarrhea, hypertension.
Summary of the invention
The purpose of the present invention is to provide a kind of cultural methods of selenium-rich Pachyrhizua angulatus.
A kind of cultural method of selenium-rich Pachyrhizua angulatus of the present invention, it is characterised in that comprise the steps of:
A. selection of land site preparation:
(1) selection of land
In 1200 meters of height above sea level hereinafter, selecting flat, hidding and sunny side, sand loam or loam of the gradient less than 30 degree;
(2) site preparation
Intramassif weeds, stone sundries are chosen in removing, carry out depth 55cm and plough, and combine and apply before transplanting in second year March Selenium fertilizer is once ploughed again, applies Se content: 800kg/ mus of the selenium fertilizer of 10mg/g;The high ridge of 0.8m wide is done, furrow are long with soil item Depending on part;
B. nursery:
With the bamboo chip of cuttings one deep hole of oblique cutting in seedling bed is slightly coarser than, it is inserted into cuttings when disclosing, a water is poured after having inserted, Ground moistening is kept, plastics Small plastic shed or mulch heat and moisture preserving are then taken;
C. it transplants:
At the beginning of 3 months, the oblique cave of l5-20cm depth is opened with hoe in whole good ground, takes out ready Ge Miao, produces purposes It can be transplanted by 500-750 plants per acre, nursery purposes can be transplanted by 1100 plants per acre;
D. field management:
(1) top dressing
When seedling it is long to 30cm when, with Se content: 5mg/l's contains P, and compound fertilizer's selenium-rich water water of K is urged seedling 2 times, then is used The Se content of 0.3%-0.5%: the urea selenium-rich water sprinkling of 5mg/l mentions seedling;
(2) tillage and weeding
After fertilising, usual First Year needs tillage and weeding three times, and for the first time after full stand, second is inferior to 6-July, third time The clear garden in rural area is combined to carry out after winter fallen leaves;Second year rises, and it is for the first time Qi Miaohou that annual tillage and weeding is secondary, and second It is carried out after leaf is withered in winter;Intertillage removes weeds, shallow to uproot nest soil, carries out top dressing in conjunction with tillage and weeding, applies Se content per acre: Earthing after the animal manure of the rich containing the selenium 800kg of 10mg/kg;
(3) it irrigates and drains
Prolonged drought, ground is dry, and kudzu dehydration should irrigate in time, and after rain, excess surface water should dig trenches to drain the water away in time, with Anti- excess surface water causes Pueraria lobota block root rot or pest and disease damage to occur;
(4) it trims, go to top, except flower
Every plant is stayed 2 main tendrils, cuts off extra tendril, extracts the lateral bud away from tendril within the scope of the 1-1.5m of root;Tendril When growing to 2m, terminal bud is extractd, promotes branch, increases leaf area;
(5) prevention and control of plant diseases, pest control
Rust: August occurs, and endangers blade, and blade back forms the yellow rust staining of the big kick of syringe needle shape;With 50% carboxin cream 1 000 times of liquid prevention and treatments of oil;
Aphid: spring and summer occurs, and sucks cauline leaf juice, makes leaf-shrinkage, can use 40% Rogor, 1000 times of liquid sprinkling prevention and treatments;
Chafer: May occurs, adult bite blade at night, light trap or is sprayed with 90% trichlorphon, 1 000 times of liquid Spill prevention and treatment;
E. it harvests:
Harvesting first prescinds aerial stem of plant rattan, then digs out root tuber, pay attention to not usually in the March in the November of current year to next year Broken root tuber is dug, then cuts off base stem with secateurs;The detection of total selenium is by " the food safety country mark of standard GB/T 5009.93-2017 The measurement of quasi- selenium in food " it carries out, the content of the Pachyrhizua angulatus selenium of such method production is in microgram/100 gram 20-50.
A kind of cultural method of selenium-rich Pachyrhizua angulatus of the present invention, it is characterised in that comprise the steps of: a. selection of land site preparation:
(1) selection of land
In 1200 meters of height above sea level hereinafter, selecting flat, hidding and sunny side, the gradient is less than 30 degree, and draining is good, and soil layer is deep, fertile Loose, humus or the content of organic matter are abundant, and retain water and nutrients are good, soil acidity or alkalinity neutrality or slightly sour sand loam or earth Soil;
(2) site preparation
It removes November and chooses intramassif weeds, stone sundries, carry out depth 55cm and plough, knot before transplanting in second year March Conjunction is applied selenium fertilizer and once ploughed again, and Se content is applied: 800kg/ mus of the selenium fertilizer of 10mg/g breaks up the clods, pick up stone, perennial root and Other sundries;The high ridge of 0.8m wide is done, depending on furrow length is with soil condition;
B. nursery:
With the bamboo chip of cuttings one deep hole of oblique cutting in seedling bed is slightly coarser than, cuttings is inserted into when disclosing, people's soil depth is cuttings 2/3, allow eustipes part growing point exposure soil face;A water is poured after having inserted, and is kept ground moistening, is then taken plastics Small plastic shed or ground Film heat and moisture preserving;Cuttage seeding row spacing 20cm × 20cm, per acre 10,000 plants of Ge Miao of nursery cuttage;It cleans with keeping garden, no weeds;? Seedling stage encounters season the Heavenly Stems, waters in time depending on soil moisture content, with keeping garden ground moistening;To keep 20 DEG C of temperature of temperature in seedbed It is advisable;When temperature reaches 30 DEG C or more, should open canopy two sides it is aeration-cooling or water spray adjust, make temperature equalization;Before transplanting, It takes off canopy to practice seedling 1 week, playing nursery lot should sprinkle profoundly water, and with sharp lifting, Ge Miao gently be played with hoe or hand, to keep seedling root system completely and most Amount reduces the injury to rattan, and seedling is classified by Ge Miao grade scale, the long 30-50cm of overground part fractionation;
C. it transplants:
At the beginning of 3 months, the oblique cave of l5-20cm depth is opened with hoe in whole good ground, takes out ready Ge Miao, produces purposes It can be transplanted by 500-750 plants per acre, nursery purposes can be transplanted by 1100 plants per acre;Every seedling stays root 3 when plantation, cuts Excessive root item and part fibrous root are removed, earthing is filled and led up when planting, and is reserved part root slightly, is then irrigated Se content: the selenium-rich of 5mg/l Root water, it is ensured that survival rate is up to 95% or more;
Kudzu draws climing restocking is fixed with cord using bamboo and path tree point, branch built, or uses bamboo, Chang Shu Branch or waddy, every a brood of slotting wooden one, stack, stack in draws climing;
D. field management:
(1) top dressing
Nursery stock transplanting pays attention to checking after half a month, it is found that scarce nest, dead seedling mend cultivation in time, guarantee basic seedling amount per acre, when seedling is long When to 30cm, with Se content: 5mg/l's contains P, and compound fertilizer's selenium-rich water water of K is urged seedling 2 times, primary every 15 days;0.3%- is used again 0.5% Se content: the urea selenium-rich water sprinkling of 5mg/l mentions seedling;
(2) tillage and weeding
After fertilising, usual First Year needs tillage and weeding three times, and for the first time after full stand, second is inferior to 6-July, third time The clear garden in rural area is combined to carry out after winter fallen leaves;Second year rises, and it is for the first time Qi Miaohou that annual tillage and weeding is secondary, and second It is carried out after leaf is withered in winter;Intertillage removes weeds, shallow to uproot nest soil, carries out top dressing in conjunction with tillage and weeding, applies Se content per acre: Earthing after the animal manure of the rich containing the selenium 800kg of 10mg/kg;
(3) it irrigates and drains
Prolonged drought, ground is dry, and kudzu dehydration should irrigate in time, and after rain, excess surface water should dig trenches to drain the water away in time, with Anti- excess surface water causes Pueraria lobota block root rot or pest and disease damage to occur;
(4) it trims, go to top, except flower
Every plant is stayed 2 main tendrils, cuts off extra tendril, extracts the lateral bud away from tendril within the scope of the 1-1.5m of root;Tendril When growing to 2m, terminal bud is extractd, promotes branch, increases leaf area;
(5) prevention and control of plant diseases, pest control
Rust: August occurs, and endangers blade, and blade back forms the yellow rust staining of the big kick of syringe needle shape;With 50% carboxin cream 1 000 times of liquid prevention and treatments of oil;
Aphid: spring and summer occurs, and sucks cauline leaf juice, makes leaf-shrinkage, can use 40% Rogor, 1000 times of liquid sprinkling prevention and treatments;
Chafer: May occurs, adult bite blade at night, light trap or is sprayed with 90% trichlorphon, 1 000 times of liquid Spill prevention and treatment;
E. it harvests:
Harvesting first prescinds aerial stem of plant rattan, then digs out root tuber, pay attention to not usually in the March in the November of current year to next year Broken root tuber is dug, then cuts off base stem with secateurs, carries out selecting classification by weight, stack respectively;By the pueraria lobata of different stage point Do not scrub net surface silt and other sundries in free of contamination tap water with hog hair brush, secateur go root tuber both ends rhizome, The radicula of root of the tail and surrounding is stored into warehouse to be further processed;Standard GB/T 5009.93-2017 is pressed in the detection of total selenium " measurement of national food safety standard selenium in food " carries out, the content of the Pachyrhizua angulatus selenium of such method production 20-50 microgram/ 100 grams.
A kind of cultural method of selenium-rich Pachyrhizua angulatus of the present invention the utility model has the advantages that
(1) it is compared compared with conventional method, directly using selenium fertilizer, promotes the absorption in Pachyrhizua angulatus growth course to selenium element, production Selenium-rich Pachyrhizua angulatus improves the quality of Pachyrhizua angulatus.
(2) selenium fertilizer is used to compare compared with conventional method, it is environmentally protective, while yield is improved, simple process;Selenium-rich pueraria lobata The effect of performance be better than the Pachyrhizua angulatus without selenium, quality is more preferable, and the market price is higher.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, but the embodiment invented is without being limited thereto.
A kind of cultural method of the selenium-rich Pachyrhizua angulatus of the invention of embodiment 1 comprises the steps of:
A. selection of land site preparation:
(1) selection of land
In 1200 meters of height above sea level hereinafter, selecting flat, hidding and sunny side, the gradient is less than 30 degree, and draining is good, and soil layer is deep, fertile Loose, humus or the content of organic matter are abundant, and retain water and nutrients are good, soil acidity or alkalinity neutrality or slightly sour sand loam or earth Soil;
(2) site preparation
It removes November and chooses intramassif weeds, stone sundries, carry out depth 55cm and plough, knot before transplanting in second year March Conjunction is applied selenium fertilizer and once ploughed again, and Se content is applied: 800kg/ mus of the selenium fertilizer of 10mg/g breaks up the clods, pick up stone, perennial root and Other sundries;The high ridge of 0.8m wide is done, depending on furrow length is with soil condition;
B. nursery:
With the bamboo chip of cuttings one deep hole of oblique cutting in seedling bed is slightly coarser than, cuttings is inserted into when disclosing, people's soil depth is cuttings 2/3, allow eustipes part growing point exposure soil face;A water is poured after having inserted, and is kept ground moistening, is then taken plastics Small plastic shed or ground Film heat and moisture preserving;Cuttage seeding row spacing 20cm × 20cm, per acre 10,000 plants of Ge Miao of nursery cuttage;It cleans with keeping garden, no weeds;? Seedling stage encounters season the Heavenly Stems, waters in time depending on soil moisture content, with keeping garden ground moistening;To keep 20 DEG C of temperature of temperature in seedbed It is advisable;When temperature reaches 30 DEG C or more, should open canopy two sides it is aeration-cooling or water spray adjust, make temperature equalization;Before transplanting, It takes off canopy to practice seedling 1 week, playing nursery lot should sprinkle profoundly water, and with sharp lifting, Ge Miao gently be played with hoe or hand, to keep seedling root system completely and most Amount reduces the injury to rattan, and seedling is classified by Ge Miao grade scale, the long 30-50cm of overground part fractionation;
C. it transplants:
At the beginning of 3 months, the oblique cave of l5-20cm depth is opened with hoe in whole good ground, takes out ready Ge Miao, produces purposes It can be transplanted by 500-750 plants per acre, nursery purposes can be transplanted by 1100 plants per acre;Every seedling stays root 3 when plantation, cuts Excessive root item and part fibrous root are removed, earthing is filled and led up when planting, and is reserved part root slightly, is then irrigated Se content: the selenium-rich of 5mg/l Root water, it is ensured that survival rate is up to 95% or more;
Kudzu draws climing restocking is fixed with cord using bamboo and path tree point, branch built, or uses bamboo, Chang Shu Branch or waddy, every a brood of slotting wooden one, stack, stack in draws climing;
D. field management:
(1) top dressing
Nursery stock transplanting pays attention to checking after half a month, it is found that scarce nest, dead seedling mend cultivation in time, guarantee basic seedling amount per acre, when seedling is long When to 30cm, with Se content: 5mg/l's contains P, and compound fertilizer's selenium-rich water water of K is urged seedling 2 times, primary every 15 days;0.3%- is used again 0.5% Se content: the urea selenium-rich water sprinkling of 5mg/l mentions seedling;
(2) tillage and weeding
After fertilising, usual First Year needs tillage and weeding three times, and for the first time after full stand, second is inferior to 6-July, third time The clear garden in rural area is combined to carry out after winter fallen leaves;Second year rises, and it is for the first time Qi Miaohou that annual tillage and weeding is secondary, and second It is carried out after leaf is withered in winter;Intertillage removes weeds, shallow to uproot nest soil, carries out top dressing in conjunction with tillage and weeding, applies Se content per acre: Earthing after the animal manure of the rich containing the selenium 800kg of 10mg/kg;
(3) it irrigates and drains
Prolonged drought, ground is dry, and kudzu dehydration should irrigate in time, and after rain, excess surface water should dig trenches to drain the water away in time, with Anti- excess surface water causes Pueraria lobota block root rot or pest and disease damage to occur;
(4) it trims, go to top, except flower
Every plant is stayed 2 main tendrils, cuts off extra tendril, extracts the lateral bud away from tendril within the scope of the 1-1.5m of root;Tendril When growing to 2m, terminal bud is extractd, promotes branch, increases leaf area;
(5) prevention and control of plant diseases, pest control
Rust: August occurs, and endangers blade, and blade back forms the yellow rust staining of the big kick of syringe needle shape;With 50% carboxin cream 1 000 times of liquid prevention and treatments of oil;
Aphid: spring and summer occurs, and sucks cauline leaf juice, makes leaf-shrinkage, can use 40% Rogor, 1000 times of liquid sprinkling prevention and treatments;
Chafer: May occurs, adult bite blade at night, light trap or is sprayed with 90% trichlorphon, 1 000 times of liquid Spill prevention and treatment;
E. it harvests:
Harvesting first prescinds aerial stem of plant rattan, then digs out root tuber, pay attention to not usually in the March in the November of current year to next year Broken root tuber is dug, then cuts off base stem with secateurs, carries out selecting classification by weight, stack respectively;By the pueraria lobata of different stage point Do not scrub net surface silt and other sundries in free of contamination tap water with hog hair brush, secateur go root tuber both ends rhizome, The radicula of root of the tail and surrounding is stored into warehouse to be further processed;Standard GB/T 5009.93-2017 is pressed in the detection of total selenium " measurement of national food safety standard selenium in food " carries out, the content of the Pachyrhizua angulatus selenium of such method production 20-50 microgram/ 100 grams.
The above is only used to illustrate the technical scheme of the present invention and not to limit it, and those of ordinary skill in the art are to this hair The other modifications or equivalent replacement that bright technical solution is made, as long as it does not depart from the spirit and scope of the technical scheme of the present invention, It is intended to be within the scope of the claims of the invention.

Claims (2)

1. a kind of cultural method of selenium-rich Pachyrhizua angulatus, it is characterised in that comprise the steps of:
A. selection of land site preparation:
(1) selection of land
In 1200 meters of height above sea level hereinafter, selecting flat, hidding and sunny side, sand loam or loam of the gradient less than 30 degree;
(2) site preparation
Intramassif weeds, stone sundries are chosen in removing, carry out depth 55cm and plough, and combine before transplanting in second year March and apply selenium fertilizer It is once ploughed again, applies Se content: 800kg/ mus of the selenium fertilizer of 10mg/g;Do the high ridge of 0.8m wide, furrow it is long with soil condition and It is fixed;
B. nursery:
With the bamboo chip of cuttings one deep hole of oblique cutting in seedling bed is slightly coarser than, it is inserted into cuttings when disclosing, a water is poured after having inserted, keeps Then ground moistening takes plastics Small plastic shed or mulch heat and moisture preserving;
C. it transplants:
At the beginning of 3 months, the oblique cave of l5-20cm depth is opened with hoe in whole good ground, takes out ready Ge Miao, production purposes can press It is transplanted for 500-750 plants per acre, nursery purposes can be transplanted by 1100 plants per acre;
D. field management:
(1) top dressing
When seedling it is long to 30cm when, with Se content: 5mg/l's contains P, and compound fertilizer's selenium-rich water water of K is urged seedling 2 times, then uses 0.3%- 0.5% Se content: the urea selenium-rich water sprinkling of 5mg/l mentions seedling;
(2) tillage and weeding
After fertilising, usual First Year needs tillage and weeding three times, and for the first time after full stand, second was inferior to for 6-July, and third is inferior to the winter The clear garden in rural area is combined to carry out after falling leaves in season;Second year rises, and it is for the first time Qi Miaohou that annual tillage and weeding is secondary, and second in the winter The season withered rear progress of leaf;Intertillage removes weeds, shallow to uproot nest soil, carries out top dressing in conjunction with tillage and weeding, applies Se content per acre: 10mg/kg The animal manure of the rich containing selenium 800kg after earthing;
(3) it irrigates and drains
Prolonged drought, ground is dry, and kudzu dehydration should irrigate in time, and after rain, excess surface water should dig trenches to drain the water away, in time with defense sector Area water causes Pueraria lobota block root rot or pest and disease damage to occur;
(4) it trims, go to top, except flower
Every plant is stayed 2 main tendrils, cuts off extra tendril, extracts the lateral bud away from tendril within the scope of the 1-1.5m of root;Tendril grows to When 2m, terminal bud is extractd, promotes branch, increases leaf area;
(5) prevention and control of plant diseases, pest control
Rust: August occurs, and endangers blade, and blade back forms the yellow rust staining of the big kick of syringe needle shape;With 50% carboxin missible oil 1 000 times of liquid prevention and treatment;
Aphid: spring and summer occurs, and sucks cauline leaf juice, makes leaf-shrinkage, can use 40% Rogor, 1000 times of liquid sprinkling prevention and treatments;
Chafer: May occurs, and adult bites blade, light trap or anti-with 90% trichlorphon, 1 000 times of liquid sprinklings at night It controls;
E. it harvests:
Harvesting first prescinds aerial stem of plant rattan, then digs out root tuber usually in the March in the November of current year to next year, pays attention to not digging broken Root tuber, then base stem is cut off with secateurs;The detection of total selenium is by " the national food safety standard food of standard GB/T 5009.93-2017 The measurement of selenium in product " it carries out, the content of the Pachyrhizua angulatus selenium of such method production is in microgram/100 gram 20-50.
2. a kind of cultural method of selenium-rich Pachyrhizua angulatus according to claim 1, it is characterised in that comprise the steps of: a. selection of land Site preparation:
(1) selection of land
In 1200 meters of height above sea level hereinafter, selecting flat, hidding and sunny side, the gradient is less than 30 degree, and draining is good, and soil layer is deep, fertile loose, Humus or the content of organic matter are abundant, and retain water and nutrients are good, soil acidity or alkalinity neutrality or slightly sour sand loam or loam;
(2) site preparation
It removes November and chooses intramassif weeds, stone sundries, carry out depth 55cm and plough, combine and apply before transplanting in second year March Selenium fertilizer is once ploughed again, applies Se content: 800kg/ mus of the selenium fertilizer of 10mg/g breaks up the clods, and picks up stone, perennial root and other Sundries;The high ridge of 0.8m wide is done, depending on furrow length is with soil condition;
B. nursery:
With the bamboo chip of cuttings one deep hole of oblique cutting in seedling bed is slightly coarser than, cuttings is inserted into when disclosing, people's soil depth is the 2/ of cuttings 3, allow eustipes part growing point exposure soil face;A water is poured after having inserted, keeps ground moistening, then takes plastics Small plastic shed or mulch is protected Warm moisturizing;Cuttage seeding row spacing 20cm × 20cm, per acre 10,000 plants of Ge Miao of nursery cuttage;It cleans with keeping garden, no weeds;In seedling stage Season the Heavenly Stems is encountered, is watered in time depending on soil moisture content, with keeping garden ground moistening;To keep 20 DEG C of temperature of temperature to be in seedbed Preferably;When temperature reaches 30 DEG C or more, should open canopy two sides it is aeration-cooling or water spray adjust, make temperature equalization;Before transplanting, take off Canopy practices seedling 1 week, and playing a nursery lot should sprinkle profoundly water, and with sharp lifting, gently plays Ge Miao with hoe or hand, to keep seedling root system completely and as far as possible The injury to rattan is reduced, seedling is classified by Ge Miao grade scale, the long 30-50cm of overground part fractionation;
C. it transplants:
At the beginning of 3 months, the oblique cave of l5-20cm depth is opened with hoe in whole good ground, takes out ready Ge Miao, production purposes can press It is transplanted for 500-750 plants per acre, nursery purposes can be transplanted by 1100 plants per acre;Every seedling stays root 3 when plantation, cuts off More root items and part fibrous root, when planting, earthing is filled and led up, and reserve part root slightly, then irrigate Se content: the selenium-rich of 5mg/l determines root Water, it is ensured that survival rate is up to 95% or more;
Kudzu draws climing restocking is fixed with cord using bamboo and path tree point, branch built, or using bamboo, long branch or Waddy, every a brood of slotting wooden one, stack, stack in draws climing;
D. field management:
(1) top dressing
Nursery stock transplanting pays attention to checking after half a month, it is found that scarce nest, dead seedling mend cultivation in time, guarantee basic seedling amount per acre, work as Miao Changzhi When 30cm, with Se content: 5mg/l's contains P, and compound fertilizer's selenium-rich water water of K is urged seedling 2 times, primary every 15 days;0.3%- is used again 0.5% Se content: the urea selenium-rich water sprinkling of 5mg/l mentions seedling;
(2) tillage and weeding
After fertilising, usual First Year needs tillage and weeding three times, and for the first time after full stand, second was inferior to for 6-July, and third is inferior to the winter The clear garden in rural area is combined to carry out after falling leaves in season;Second year rises, and it is for the first time Qi Miaohou that annual tillage and weeding is secondary, and second in the winter The season withered rear progress of leaf;Intertillage removes weeds, shallow to uproot nest soil, carries out top dressing in conjunction with tillage and weeding, applies Se content per acre: 10mg/kg The animal manure of the rich containing selenium 800kg after earthing;
(3) it irrigates and drains
Prolonged drought, ground is dry, and kudzu dehydration should irrigate in time, and after rain, excess surface water should dig trenches to drain the water away, in time with defense sector Area water causes Pueraria lobota block root rot or pest and disease damage to occur;
(4) it trims, go to top, except flower
Every plant is stayed 2 main tendrils, cuts off extra tendril, extracts the lateral bud away from tendril within the scope of the 1-1.5m of root;Tendril grows to When 2m, terminal bud is extractd, promotes branch, increases leaf area;
(5) prevention and control of plant diseases, pest control
Rust: August occurs, and endangers blade, and blade back forms the yellow rust staining of the big kick of syringe needle shape;With 50% carboxin missible oil 1 000 times of liquid prevention and treatment;
Aphid: spring and summer occurs, and sucks cauline leaf juice, makes leaf-shrinkage, can use 40% Rogor, 1000 times of liquid sprinkling prevention and treatments;
Chafer: May occurs, and adult bites blade, light trap or anti-with 90% trichlorphon, 1 000 times of liquid sprinklings at night It controls;
E. it harvests:
Harvesting first prescinds aerial stem of plant rattan, then digs out root tuber usually in the March in the November of current year to next year, pays attention to not digging broken Root tuber, then base stem is cut off with secateurs, it carries out selecting classification by weight, stack respectively;The pueraria lobata of different stage is used respectively Hog hair brush scrubs net surface silt and other sundries in free of contamination tap water, and secateur removes the rhizome at root tuber both ends, root of the tail And the radicula of surrounding, it stores into warehouse to be further processed;The detection of total selenium is by " the food of standard GB/T 5009.93-2017 The measurement of the safe national standard selenium in food of product " it carries out, the content of the Pachyrhizua angulatus selenium of such method production is in microgram/100 20-50 Gram.
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