CN107182467A - The cultural method of Handan District sweet potato two crops in one year high-yield and high-efficiency - Google Patents
The cultural method of Handan District sweet potato two crops in one year high-yield and high-efficiency Download PDFInfo
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Abstract
The invention discloses a kind of cultural method of Handan District sweet potato two crops in one year high-yield and high-efficiency, it is related to field of crop cultivation methods, including following operating procedure：Selection kind and potato seed, cultivate high quality seedling, ploughed before the winter, the ridging that apply fertilizer, first batch of sweet potato transplant planting, field management, first batch of sweet potato rewarding, the ridging that applies fertilizer, second batch of sweet potato field planting, field management, second batch of sweet potato rewarding etc..Weather conditions and sweet potato cropping pattern of the invention according to Handan District, formulate a set of sweet potato two crops in one year cultural method and filter out suitable sweet potato variety, it is effectively utilized illumination and soil fertility resource, the multiple crop index and unit area output capacity in soil are improved, the economic benefit of Cotton Varieties by Small Farming Households sweet potato is improved.
Description
Technical field
The present invention relates to sweet potato implantation methods field, the sweet potato two crops in one year of more particularly to a kind of suitable Handan District is high
Produce efficient cultural method.
Background technology
Sweet potato is rich in protein, starch, pectin, cellulose, amino acid, vitamin and several mineral materials, special health care
Function makes consumer very like sweet potato, and sweet potato is also expanding year by year in the cultivated area of China, and sweet potato planting turns into vast
Peasant household's adjustment agricultural planting structure, the preferred crop of increase wealth.Handan District is in the North of sweet potato Double cropping Potato region, special
Geographical position Cotton Varieties by Small Farming Households sweet potato is broadly divided into spring potato or summer potato both of which, spring potato is the sweet potato planted in spring, and one
It is only one batch of crop of sweet potato planting, summer potato is the sweet potato being colonized again after the winter crops such as wheat harvest, but because production cost is thrown
Enter height, yield of sweet potato is low, and benefit is low, cause the enthusiasm of Cotton Varieties by Small Farming Households sweet potato not high.
At present, the planting household of Handan District is badly in need of a kind of cultural method of sweet potato two crops in one year high-yield and high-efficiency, will be original
One is only one batch of sweet potato of plantation on a piece of land（Spring potato or summer potato）Pattern, be changed to 1 year plantation two batches of sweet potatoes of spring and summer, improve
The multiple crop index and unit area output capacity in soil, improve the economic benefit of the sweet potato planting of peasant household.
The content of the invention
The present invention solves the technical problem of a kind of cultural method of sweet potato two crops in one year high-yield and high-efficiency is provided, pass through
A series of control measures of forming a complete and comprehensive system for collecting real estate fees, are only one batch of sweet potato of plantation by original a piece of land one（Spring potato or summer potato）Mould
Formula, is changed to the two batches of sweet potatoes of plantation in 1 year, i.e., does sth. in advance nursery using winter warm type greenhouse, crop field Raising strong seedli is carried out in mid or late April,
First batch of sweet potato is harvested in late July to early August, second batch of sweet potato is immediately planted, it is white for the first time in mid or late October
Freeze second batch of sweet potato of harvest before arriving.
In order to solve the above technical problems, the technical solution adopted by the present invention comprises the following steps：
（1）The precocity of the suitable this area two crops in one year plantation of selection, high yield, the sweet potato variety of high-quality, and it is smooth fresh from potato skin
Gorgeous, potato wedge is uniform, and the potato wedge of no disease and pests harm is used as potato seed；
（2）Early March, is nursed young plants in hothouses using winter warm type, and tuber crops was not planted, without herbicide residue using more than 3 years
Land make seedbed, potato seed keeps flat seeding, and pours permeable, water ooze it is lower after again with sieving fine earth cover, thickness be 3-5 lis
Rice, uses transparent covering with ground sheeting seedbed after 2 days；
（3）Before emerging, Wen Weidu on daytime controls in seedbed are at 33-35 DEG C, and nocturnal temperature is controlled at 18-20 DEG C, temperature on daytime after emerging
Degree control is at 25-30 DEG C, and nocturnal temperature control is at 15-18 DEG C, and soil moisture control is advisable left and right 70%；
（4）When potato seedling growth grows to more than 16 centimetres, hardening of divulging information first is led to and leads to strong wind after small wind, when outside daytime temperature reaches 15
DEG C when can be divulged information with whole day；
（5）Mid-April, when potato seedling growth plant height length is to 25-30 centimetres, internode is between 3-4 centimetres, when rugosity is more than 0.3 centimetre,
Reach the potato seedling growth standard for carrying out field-transplanting；
（6）The plot of the tuber crops such as potato, sweet potato was not cultivated in selection for more than 3 years, preferably in the heavy snow section of upper 1 year
Before and after gas, deep ploughed but do not raked, increase soil surface area to greatest extent, by alternate freezing and thawing, improve soil texture, plus
The formation of fast crumb structure, so as to create good suitable soil environment for sweet potato root system；
（7）At the beginning of 4 months, 4-5 cubic metres of the organic fertilizer and 20-30 kilograms of potassium sulfate, Diammonium phosphate (DAP) 10-15 thousand fully become thoroughly decomposed is applied
Gram, 10 kilograms of urea after soil moisture content soil deeptillage, plays field planting ridge and covering with plastic film, is colonized 70 centimetres of ridge spacing, and ridge is high
30 centimetres, bottom is wide 30-40 centimetres；
（8）Start mid-April to be colonized first batch of sweet potato, excavate a planting pit at the top of field planting ridge, first pour field planting water, then plant
Seedling earthing, makes potato seedling growth base portion 4-5 sections laterally be buried in the earth, embedded depth is 5 centimetres, and 3 leaves in top, every mu of field planting seedling are stayed outside
3000 plants or so；
（9）In 3-5 days after field planting, the situation of surviving is checked in time, it is found that dead seedling is mended and planted strong sprout, while pour seedling recovering water；
（10）Seedling vine is obturaged in face of ground, and the method being combined using intertillage and dispenser carries out weeding, uses 15% Quizalotop-ethyl missible oil
2000 times of liquid are oriented spraying to field planting ridge, can eliminate field monocotyledon weed, and remaining broad leaved weed needs artificial dial to remove,
Take out of outside field and stack；
（11）When seedling vine grows to 60 centimetres, pinching promotion lateral bine growth is carried out, is beaten again when lateral bine grows to 50 centimetres
Point, into the middle and late growth stage, lifted up of vines once every 10-15 days, continuous 2 times；
（12）Without watering before rainy season is entered, such as extreme drought, serious wilting occurs for continuous several days for blade, should be in the morning
Or small water is poured once in right amount at dusk, the half for reaching field planting ridge height with the water surface is advisable；
（13）When seedling vine will obturage ground, every mu is watered 50 kilograms with 80-100 grams of 15% paclobutrazol and carries out foliage-spray, often
Sprayed every 10-15 days once, even spray 2-3 times, can prevent and treat seedling vine excessive growth；
（14）Potato wedge enters expanding stage, sprays 98% boric acid, 800 times of liquid and 0.3% potassium dihydrogen phosphate, carries out foliage top dressing,
Every 10-12 days once, it is continuous 2-3 times, early ageing can be prevented and promote potato wedge to expand；
（15）Using 1.1% 2000-2500 times of liquid of High-chlorine emamectin benzoate missible oil, 45% efficient 1500-2000 times of chlorine Yin grape emulsifiable concentrate
Liquid mixed atomizing prevents and treats causing harm for looper, bollworm and locust, using AVM hereinafter Su Yun bacterium (AVM 0.1%, Su Yunjin
The living spores bacillus of bacillus 10,000,000,000/gram）500 times of liquid blade spraying preventing and treating beet armyworms of wettable powder；
（16）Late July, to early August, selects fine steady weather harvest when single potato wedge average weight is up to 0.75 kilogram of 0.5-,
Before harvest, healthy and strong disease-free seedling vine is directly cut as the rice shoot of summer potato, is cut long 25-30 centimetres of seedling vine, is 1 bundle with 50 plants, hangs down
Straight be put into scattered light cellar preserves；
（17）After first batch of sweet potato rewarding, with reference to arable land, every mu is spread fertilizer over the fields quick lime double centner, 50-75 kilograms of compound potassium sulfate fertilizer
46% 20-25 kilograms of urea, row replacement when 40 kilograms of lignin bacterial manure is sufficiently mixed rear ridging with 1.0-1.5 kilograms of muscardine；
（18）Second batch of sweet potato is colonized the same step of key points for operation（8）；
（19）After summer potato slow seedling, once intertilled, accomplish shallow intertillage near plant, other are intertilled deeply, be that root growth is built
Good soil environment, can play a part of removing weeds in field, slow down soil dehydrating speed, promote plant to mushroom out；
（20）The same step of key points for operation of controlling weeds（10）；
（21）The same step of key points for operation of pest control（15）；
（22）Early September, potato wedge enters rapid expanding stage, and with 0.3% potassium dihydrogen phosphate foliar spray, 1 was sprayed every 10 days
It is secondary, it is continuous 2-3 times；
（23）Before Frost's Descent mid-October solar term, when outdoor maximum temperature is less than 15 DEG C, the noon harvest of fine steady weather, harvest are selected
After can directly list marketing, or after carrying out pre- storage 2-3 days, deposit temperature is not less than cellar for storing things in 12 DEG C, humidity 80%-85% storage cellar
Hide standby sale.
According to the technical solution adopted by the present invention, it is characterised in that the step（2）Before seeding, 70% thiophanate methyl is used
2000 times of liquid of 800-1000 times of liquid of wettable powder and 1.8% abamectin emulsifiable concentrate are soaked seed 10-15 minutes after mixing, and are pulled out and are dried
Later seeding, can prevent the harm of tar spot.
According to the technical solution adopted by the present invention, it is characterised in that the step（2）During potato seed seeding, potato seed spacing 3-4
Centimetre, potato seedling growth has enough Growth In Spaces after being unearthed, it is ensured that the quality and quantity that potato seed is emerged.
According to the technical solution adopted by the present invention, it is characterised in that the step（4）During hardening of divulging information, if meeting with extreme
Weather, occurs cold spell in later spring or sleet, in time covering canopy film and insulation material, prevents and treats potato seedling growth and occurs freeze injury.
According to the technical solution adopted by the present invention, it is characterised in that the step（7）During soil deeptillage, if soil moisture content
Deficiency, should water moisture creating in advance, to ensure the survival rate of potato seedling growth transplant planting.
According to the technical solution adopted by the present invention, it is characterised in that the step（8）The sterilization of rice shoot decoction is carried out before plant
Processing, is mixed using 1200-1500 times of liquid of 2000-2500 times of liquid of 1.8% abamectin emulsifiable concentrate and 80% carbendazol wettable powder
Immersion rhizome portion 10-15 minutes, prevents the subterranean pest-insects such as Ditylenchus dipsaci, grub and tar spot to cause harm sweet potato afterwards.
According to the technical solution adopted by the present invention, it is characterised in that the step（8）When pouring field planting water, prepared in water
The insecticide of a certain proportion of low toxicity, low-residual, can effectively prevent and treat haulm characters and subterranean pest-insect such as mole cricket, grub, cutworm
Deng.
According to the technical solution adopted by the present invention, it is characterised in that the step（8）During transplant planting, seedling is in soil
Shape it is L-shaped, caking quantity is more, and head is uniform, and commodity rate is high, can not be in J-type, otherwise be also easy to produce lopsided potato, influence business
Product rate.
According to the technical solution adopted by the present invention, it is characterised in that the step（11）Lifting up of vines can effectively reduce nutrition
Consumption, promotes root tuber to expand, avoids during lifting up of vines and turn over seedling, otherwise causes the underproduction, and harvest stops lifting up of vines in first 1 month.
According to the technical solution adopted by the present invention, it is characterised in that the step（14）Foliage spray is suitable in the morning 10
Carried out before point or after at 4 points in afternoon, beneficial to absorption.
The present invention a beneficial effect be：By a series of control measures of forming a complete and comprehensive system for collecting real estate fees, by original a piece of land
One is only one batch of sweet potato of plantation（Spring potato or summer potato）Pattern, be changed to 1 year plantation two batches of sweet potatoes, i.e., carried using winter warm type greenhouse
Early nursery, crop field Raising strong seedli is carried out in mid or late April, harvests first batch of sweet potato in late July to early August, immediately
Second batch of sweet potato is planted, second batch of sweet potato of harvest before first time mid or late October frost arrives.It is effectively utilized illumination and ground
Power resource, improves the multiple crop index and unit area output capacity in soil, improves the economic benefit of the sweet potato planting of peasant household.
Embodiment
Clear, complete description will be carried out to the specific embodiment of the invention by taking Handan District as an example below, it is clear that described
Embodiment is only the specific embodiment of the present invention, rather than is only limitted to the embodiment of Handan District.Based in the present invention
Embodiment, those of ordinary skill in the art obtained under the premise of creative work is not made other area it is every other
Embodiment, belongs to protection scope of the present invention.
The specific embodiment of the cultural method of Handan District sweet potato two crops in one year high-yield and high-efficiency of the present invention, including following step
Suddenly：
（1）The precocity of the suitable this area two crops in one year plantation of selection, high yield, the sweet potato variety of high-quality, such as imperial potato 9, and select
Potato skin is smooth bright-coloured, and potato wedge is uniform, and the potato wedge of no disease and pests harm is used as potato seed；
（2）Early March, is nursed young plants in hothouses using winter warm type, and tuber crops was not planted, without herbicide residue using more than 3 years
Land make seedbed, potato seed keeps flat seeding, and pours permeable, water ooze it is lower after again with sieving fine earth cover, thickness be 3-5 lis
Rice, uses transparent covering with ground sheeting seedbed after 2 days；
（3）Before emerging, Wen Weidu on daytime controls in seedbed are at 33-35 DEG C, and nocturnal temperature is controlled at 18-20 DEG C, temperature on daytime after emerging
Degree control is at 25-30 DEG C, and nocturnal temperature control is at 15-18 DEG C, and soil moisture control is advisable left and right 70%；
（4）When potato seedling growth grows to more than 16 centimetres, hardening of divulging information first is led to and leads to strong wind after small wind, when outside daytime temperature reaches 15
DEG C when can be divulged information with whole day；
（5）Mid-April, when potato seedling growth plant height length is to 25-30 centimetres, internode is between 3-4 centimetres, when rugosity is more than 0.3 centimetre,
Reach the potato seedling growth standard for carrying out field-transplanting；
（6）The plot of the tuber crops such as potato, sweet potato was not cultivated in selection for more than 3 years, preferably in the heavy snow section of upper 1 year
Before and after gas, deep ploughed but do not raked, increase soil surface area to greatest extent, by alternate freezing and thawing, improve soil texture, plus
The formation of fast crumb structure, so as to create good suitable soil environment for sweet potato root system；
（7）At the beginning of 4 months, 4-5 cubic metres of the organic fertilizer and 20-30 kilograms of potassium sulfate, Diammonium phosphate (DAP) 10-15 thousand fully become thoroughly decomposed is applied
Gram, 10 kilograms of urea after soil moisture content soil deeptillage, plays field planting ridge and covering with plastic film, is colonized 70 centimetres of ridge spacing, and ridge is high
30 centimetres, bottom is wide 30-40 centimetres；
（8）Start mid-April to be colonized first batch of sweet potato, excavate a planting pit at the top of field planting ridge, first pour field planting water, then plant
Seedling earthing, makes potato seedling growth base portion 4-5 sections laterally be buried in the earth, embedded depth is 5 centimetres, and 3 leaves in top, every mu of field planting seedling are stayed outside
3000 plants or so；
（9）In 3-5 days after field planting, the situation of surviving is checked in time, it is found that dead seedling is mended and planted strong sprout, while pour seedling recovering water；
（10）Seedling vine is obturaged in face of ground, and the method being combined using intertillage and dispenser carries out weeding, uses 15% Quizalotop-ethyl missible oil
2000 times of liquid are oriented spraying to field planting ridge, can eliminate field monocotyledon weed, and remaining broad leaved weed needs artificial dial to remove,
Take out of outside field and stack；
（11）When seedling vine grows to 60 centimetres, pinching promotion lateral bine growth is carried out, is beaten again when lateral bine grows to 50 centimetres
Point, into the middle and late growth stage, lifted up of vines once every 10-15 days, continuous 2 times；
（12）Without watering before rainy season is entered, such as extreme drought, serious wilting occurs for continuous several days for blade, should be in the morning
Or small water is poured once in right amount at dusk, the half for reaching field planting ridge height with the water surface is advisable；
（13）When seedling vine will obturage ground, every mu is watered 50 kilograms with 80-100 grams of 15% paclobutrazol and carries out foliage-spray, often
Sprayed every 10-15 days once, even spray 2-3 times, can prevent and treat seedling vine excessive growth；
（14）Potato wedge enters expanding stage, sprays 98% boric acid, 800 times of liquid and 0.3% potassium dihydrogen phosphate, carries out foliage top dressing,
Every 10-12 days once, it is continuous 2-3 times, early ageing can be prevented and promote potato wedge to expand；
（15）Using 1.1% 2000-2500 times of liquid of High-chlorine emamectin benzoate missible oil, 45% efficient 1500-2000 times of chlorine Yin grape emulsifiable concentrate
Liquid mixed atomizing prevents and treats causing harm for looper, bollworm and locust, using AVM hereinafter Su Yun bacterium (AVM 0.1%, Su Yunjin
The living spores bacillus of bacillus 10,000,000,000/gram）500 times of liquid blade spraying preventing and treating beet armyworms of wettable powder；
（16）Late July, to early August, selects fine steady weather harvest when single potato wedge average weight is up to 0.75 kilogram of 0.5-,
Before harvest, healthy and strong disease-free seedling vine is directly cut as the rice shoot of summer potato, is cut long 25-30 centimetres of seedling vine, is 1 bundle with 50 plants, hangs down
Straight be put into scattered light cellar preserves；
（17）After first batch of sweet potato rewarding, with reference to arable land, every mu is spread fertilizer over the fields quick lime double centner, 50-75 kilograms of compound potassium sulfate fertilizer
46% 20-25 kilograms of urea, row replacement when 40 kilograms of lignin bacterial manure is sufficiently mixed rear ridging with 1.0-1.5 kilograms of muscardine；
（18）Second batch of sweet potato is colonized the same step of key points for operation（8）；
（19）After summer potato slow seedling, once intertilled, accomplish shallow intertillage near plant, other are intertilled deeply, be that root growth is built
Good soil environment, can play a part of removing weeds in field, slow down soil dehydrating speed, promote plant to mushroom out；
（20）The same step of key points for operation of controlling weeds（10）；
（21）The same step of key points for operation of pest control（15）；
（22）Early September, potato wedge enters rapid expanding stage, and with 0.3% potassium dihydrogen phosphate foliar spray, 1 was sprayed every 10 days
It is secondary, it is continuous 2-3 times；
（23）Before Frost's Descent mid-October solar term, when outdoor maximum temperature is less than 15 DEG C, the noon harvest of fine steady weather, harvest are selected
After can directly list marketing, or after carrying out pre- storage 2-3 days, deposit temperature is not less than cellar for storing things in 12 DEG C, humidity 80%-85% storage cellar
Hide standby sale.
According to specific embodiment of the present invention, it is characterised in that the step（2）Before seeding, with 70% methyl support
2000 times of liquid of cloth Tianjin 800-1000 times of liquid of wettable powder and 1.8% abamectin emulsifiable concentrate are soaked seed 10-15 minutes after mixing, and are pulled out
Seeding after drying, can prevent the harm of tar spot.
According to specific embodiment of the present invention, it is characterised in that the step（2）During potato seed seeding, between potato seed
Away from 3-4 centimetres, potato seedling growth has enough Growth In Spaces after being unearthed, it is ensured that the quality and quantity that potato seed is emerged.
4. according to specific embodiment of the present invention, it is characterised in that the step（4）During hardening of divulging information, if by
Extreme weather is met, occurs cold spell in later spring or sleet, in time covering canopy film and insulation material, potato seedling growth is prevented and treated and occurs freeze injury.
According to specific embodiment of the present invention, it is characterised in that the step（7）During soil deeptillage, if native
Earth soil moisture content is not enough, and should water moisture creating in advance, to ensure the survival rate of potato seedling growth transplant planting.
According to specific embodiment of the present invention, it is characterised in that the step（8）Rice shoot decoction is carried out before plant
Disinfect, using 1200-1500 times of liquid of 2000-2500 times of liquid of 1.8% abamectin emulsifiable concentrate and 80% carbendazol wettable powder
Rhizome portion is soaked after mixing 10-15 minutes, the subterranean pest-insect such as prevention Ditylenchus dipsaci, grub and tar spot cause harm to sweet potato.
According to specific embodiment of the present invention, it is characterised in that the step（8）When pouring field planting water, in water
Prepare the insecticide of a certain proportion of low toxicity, low-residual, can effectively prevent and treat haulm characters and subterranean pest-insect as mole cricket, grub,
Tiger etc..
According to specific embodiment of the present invention, it is characterised in that the step（8）During transplant planting, seedling exists
Shape in soil is L-shaped, and caking quantity is more, and head is uniform, and commodity rate is high, can not be in J-type, otherwise be also easy to produce lopsided potato, shadow
Ring commodity rate.
According to specific embodiment of the present invention, it is characterised in that the step（11）Lifting up of vines can be reduced effectively
Nutrient consumption, promotes root tuber to expand, avoids during lifting up of vines and turn over seedling, otherwise causes the underproduction, and harvest stops lifting up of vines in first 1 month.
According to specific embodiment of the present invention, it is characterised in that the step（14）Foliage spray is suitable upper
Carried out before 10 points of noon or after at 4 points in afternoon, beneficial to absorption.
Claims (10)
1. the cultural method of Handan District sweet potato two crops in one year high-yield and high-efficiency, it is characterised in that including following operating procedure：
（1）The precocity of the suitable this area two crops in one year plantation of selection, high yield, the sweet potato variety of high-quality, and it is smooth fresh from potato skin
Gorgeous, potato wedge is uniform, and the potato wedge of no disease and pests harm is used as potato seed；
（2）Early March, is nursed young plants in hothouses using winter warm type, and tuber crops was not planted, without herbicide residue using more than 3 years
Land make seedbed, potato seed keeps flat seeding, and pours permeable, water ooze it is lower after again with sieving fine earth cover, thickness be 3-5 lis
Rice, uses transparent covering with ground sheeting seedbed after 2 days；
（3）Before emerging, Wen Weidu on daytime controls in seedbed are at 33-35 DEG C, and nocturnal temperature is controlled at 18-20 DEG C, temperature on daytime after emerging
Degree control is at 25-30 DEG C, and nocturnal temperature control is at 15-18 DEG C, and soil moisture control is advisable left and right 70%；
（4）When potato seedling growth grows to more than 16 centimetres, hardening of divulging information first is led to and leads to strong wind after small wind, when outside daytime temperature reaches 15
DEG C when can be divulged information with whole day；
（5）Mid-April, when potato seedling growth plant height length is to 25-30 centimetres, internode is between 3-4 centimetres, when rugosity is more than 0.3 centimetre,
Reach the potato seedling growth standard for carrying out field-transplanting；
（6）The plot of the tuber crops such as potato, sweet potato was not cultivated in selection for more than 3 years, preferably in the heavy snow section of upper 1 year
Before and after gas, deep ploughed but do not raked, increase soil surface area to greatest extent, by alternate freezing and thawing, improve soil texture, plus
The formation of fast crumb structure, so as to create good suitable soil environment for sweet potato root system；
（7）At the beginning of 4 months, 4-5 cubic metres of the organic fertilizer and 20-30 kilograms of potassium sulfate, Diammonium phosphate (DAP) 10-15 thousand fully become thoroughly decomposed is applied
Gram, 10 kilograms of urea after soil moisture content soil deeptillage, plays field planting ridge and covering with plastic film, is colonized 70 centimetres of ridge spacing, and ridge is high
30 centimetres, bottom is wide 30-40 centimetres;
（8）Start mid-April to be colonized first batch of sweet potato, excavate a planting pit at the top of field planting ridge, first pour field planting water, then plant
Seedling earthing, makes potato seedling growth base portion 4-5 sections laterally be buried in the earth, embedded depth is 5 centimetres, and 3 leaves in top, every mu of field planting seedling are stayed outside
3000 plants or so；
（9）In 3-5 days after field planting, the situation of surviving is checked in time, it is found that dead seedling is mended and planted strong sprout, while pour seedling recovering water；
（10）Seedling vine is obturaged in face of ground, and the method being combined using intertillage and dispenser carries out weeding, uses 15% Quizalotop-ethyl missible oil
2000 times of liquid are oriented spraying to field planting ridge, can eliminate field monocotyledon weed, and remaining broad leaved weed needs artificial dial to remove,
Take out of outside field and stack;
（11）When seedling vine grows to 60 centimetres, pinching promotion lateral bine growth is carried out, is beaten again when lateral bine grows to 50 centimetres
Point, into the middle and late growth stage, lifted up of vines once every 10-15 days, continuous 2 times；
（12）Without watering before rainy season is entered, such as extreme drought, serious wilting occurs for continuous several days for blade, should be in the morning
Or small water is poured once in right amount at dusk, the half for reaching field planting ridge height with the water surface is advisable；
（13）When seedling vine will obturage ground, every mu is watered 50kg with 80-100 grams of 15% paclobutrazol and carries out foliage-spray, every
Spray within 10-15 days once, even spray 2-3 times, can prevent and treat seedling vine excessive growth；
（14）Potato wedge enters expanding stage, sprays 98% boric acid, 800 times of liquid and 0.3% potassium dihydrogen phosphate, carries out foliage top dressing,
Every 10-12 days once, it is continuous 2-3 times, early ageing can be prevented and promote potato wedge to expand；
（15）Using 1.1% 2000-2500 times of liquid of High-chlorine emamectin benzoate missible oil, 45% efficient 1500-2000 times of chlorine Yin grape emulsifiable concentrate
Liquid mixed atomizing prevents and treats causing harm for looper, bollworm and locust, using AVM hereinafter Su Yun bacterium (AVM 0.1%, Su Yunjin
The living spores bacillus of bacillus 10,000,000,000/gram）500 times of liquid blade spraying preventing and treating beet armyworms of wettable powder；
（16）Late July, to early August, selects fine steady weather harvest, received when single potato wedge average weight is up to 0.75 kilogram of 0.5-
Before obtaining, healthy and strong disease-free seedling vine is directly cut as the rice shoot of summer potato, is cut long 25-30 centimetres of seedling vine, is 1 bundle with 50 plants, vertically
It has been put into scattered light cellar and has preserved；
（17）After first batch of sweet potato rewarding, quick lime double centner is spread fertilizer over the fields with reference to ploughing every mu, 50-75 kilograms of compound potassium sulfate fertilizer,
46% 20-25 kilograms of urea, row replacement when 40 kilograms of lignin bacterial manure is sufficiently mixed rear ridging with 1.0-1.5 kilograms of muscardine；
（18）Second batch of sweet potato is colonized the same step of key points for operation（8）；
（19）After second batch of sweet potato slow seedling, once intertilled, accomplish shallow intertillage near plant, other are intertilled deeply, be root system life
It is long to build good soil environment, it can play and remove weeds in field, slow down soil dehydrating speed, the work for promoting plant to mushroom out
With；
（20）The same step of key points for operation of second batch of sweet potato controlling weeds（10）；
（21）The same step of key points for operation of second batch of sweet potato pest control（15）；
（22）Early September, second batch of sweet potato potato wedge enters rapid expanding stage, with 0.3% potassium dihydrogen phosphate foliar spray, often
Sprayed every 10 days 1 time, it is continuous 2-3 times；
（23）Before Frost's Descent mid-October solar term, when outdoor maximum temperature is less than 15 DEG C, the noon harvest second of fine steady weather is selected
Stubble sweet potato, after harvest can directly list marketing, or after carrying out pre- storage 2-3 days, be stored in temperature and be not less than 12 DEG C, humidity 80%-85%
Storage cellar in store sth. in a cellar standby sale.
2. the cultural method of Handan District sweet potato two crops in one year high-yield and high-efficiency according to claim 1, it is characterised in that institute
State step（2）Before potato seed seeding, with 70% 800-1000 times of liquid of thiophanate methyl wettable powder and 1.8% abamectin emulsifiable concentrate
Soaked seed 10-15 minutes after 2000 times of liquid mixing, pull seeding after drying out, the harm of tar spot can be prevented.
3. the cultural method of Handan District sweet potato two crops in one year high-yield and high-efficiency according to claim 1, it is characterised in that institute
State step（2）During potato seed seeding, 3-4 centimetres of potato seed spacing, potato seedling growth has enough Growth In Spaces after being unearthed, it is ensured that what potato seed was emerged
Quality and quantity.
4. the cultural method of Handan District sweet potato two crops in one year high-yield and high-efficiency according to claim 1, it is characterised in that institute
State step（4）When being aerated hardening, if meeting with extreme weather, occurs cold spell in later spring or sleet, in time covering canopy film and insulation
Material, prevents and treats potato seedling growth and occurs freeze injury.
5. the cultural method of Handan District sweet potato two crops in one year high-yield and high-efficiency according to claim 1, it is characterised in that institute
State step（7）During soil deeptillage, if soil moisture content is not enough, should water moisture creating in advance, to ensure surviving for potato seedling growth transplant planting
Rate.
6. the cultural method of Handan District sweet potato two crops in one year high-yield and high-efficiency according to claim 1, it is characterised in that institute
State step（8）Carry out rice shoot decoction before plant to disinfect, using 2000-2500 times of liquid of 1.8% abamectin emulsifiable concentrate and more than 80%
Immersion rhizome portion 10-15 minutes after the 1200-1500 times of liquid mixing of bacterium spirit wettable powder, the underground such as prevention Ditylenchus dipsaci, grub evil
Worm and tar spot cause harm to sweet potato.
7. the cultural method of Handan District sweet potato two crops in one year high-yield and high-efficiency according to claim 1, it is characterised in that institute
State step（8）When pouring field planting water, the insecticide of a certain proportion of low toxicity, low-residual is prepared in water, Ditylenchus dipsaci can be effectively prevented and treated
Disease and subterranean pest-insect such as mole cricket, grub, cutworm etc..
8. the cultural method of Handan District sweet potato two crops in one year high-yield and high-efficiency according to claim 1, it is characterised in that institute
State step（8）During transplant planting, shape of the seedling in soil is L-shaped, and caking quantity is more, and head is uniform, and commodity rate is high, can not
In J-type, lopsided potato is otherwise also easy to produce, commodity rate is influenceed.
9. the cultural method of Handan District sweet potato two crops in one year high-yield and high-efficiency according to claim 1, it is characterised in that institute
State step（11）Lifting up of vines can effectively reduce nutrient consumption, promote root tuber to expand, avoid during lifting up of vines and turn over seedling, otherwise cause the underproduction, receive
Obtain and stop lifting up of vines in first 1 month.
10. the cultural method of Handan District sweet potato two crops in one year high-yield and high-efficiency according to claim 1, it is characterised in that
The step（14）Foliage spray is suitable to be carried out before at 10 points in the morning or after at 4 points in afternoon, beneficial to absorption.
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| CN108477216A (en) * | 2018-04-09 | 2018-09-04 | 河北省农林科学院粮油作物研究所 | A kind of sweet potato strong sprout composition, sweet potato strong sprout method and application |
| CN108522191A (en) * | 2018-06-25 | 2018-09-14 | 三明市丰隆农业科技有限公司 | A kind of implantation methods of sweet potato |
| CN108934881A (en) * | 2018-09-20 | 2018-12-07 | 湖北省农业科学院粮食作物研究所 | The efficient growing and cultivation method of the one dual-purpose sweet potato of potato seed dish |
| CN109156296A (en) * | 2018-09-10 | 2019-01-08 | 南充市农业科学院 | A kind of 1 year plantation two season sweet potato method |
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| CN110036856A (en) * | 2019-05-24 | 2019-07-23 | 江苏徐淮地区徐州农业科学研究所(江苏徐州甘薯研究中心) | A kind of cultural method that Huang-Huai-Hai sweet potato in two seasons of one year efficiently produces |
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| CN108477216A (en) * | 2018-04-09 | 2018-09-04 | 河北省农林科学院粮油作物研究所 | A kind of sweet potato strong sprout composition, sweet potato strong sprout method and application |
| CN108522191A (en) * | 2018-06-25 | 2018-09-14 | 三明市丰隆农业科技有限公司 | A kind of implantation methods of sweet potato |
| CN109156296A (en) * | 2018-09-10 | 2019-01-08 | 南充市农业科学院 | A kind of 1 year plantation two season sweet potato method |
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| CN109479653A (en) * | 2018-11-22 | 2019-03-19 | 济宁市农业科学研究院 | A kind of early efficient cultivation method of southern shandong area sweet potato protecting field rush |
| CN109479653B (en) * | 2018-11-22 | 2021-01-05 | 济宁市农业科学研究院 | Early-promoting efficient cultivation method for sweet potatoes in southwestern Lu protected area |
| CN110036856A (en) * | 2019-05-24 | 2019-07-23 | 江苏徐淮地区徐州农业科学研究所(江苏徐州甘薯研究中心) | A kind of cultural method that Huang-Huai-Hai sweet potato in two seasons of one year efficiently produces |
| CN110226479A (en) * | 2019-07-16 | 2019-09-13 | 河北省农林科学院粮油作物研究所 | A kind of horizontal slotting method for planting of sweet potato and its transplanting machine |
| CN110226479B (en) * | 2019-07-16 | 2022-03-01 | 河北省农林科学院粮油作物研究所 | Sweet potato transverse transplanting method and transplanting machine thereof |
| CN111727832A (en) * | 2020-05-22 | 2020-10-02 | 紫云自治县紫香源农林科技有限责任公司 | Purple cloud red core sweet potato double-cropping cultivation method |
| CN112715307A (en) * | 2021-02-08 | 2021-04-30 | 江西省农业科学院作物研究所 | Edible sweet potato one-year two-season horizontal tendril pressing planting method based on autumn seedling overwintering method |
| CN113207595A (en) * | 2021-06-09 | 2021-08-06 | 怀宁县平坦大屋生态农业发展有限公司 | Two-crop cultivation method for middle and lower Yangtze river sweet potatoes |
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Application publication date: 20170922 |