CN106358658A - Highly-efficient seedling-raising method for purple sweet potato - Google Patents
Highly-efficient seedling-raising method for purple sweet potato Download PDFInfo
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- CN106358658A CN106358658A CN201610729661.7A CN201610729661A CN106358658A CN 106358658 A CN106358658 A CN 106358658A CN 201610729661 A CN201610729661 A CN 201610729661A CN 106358658 A CN106358658 A CN 106358658A
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Abstract
The invention discloses a highly-efficient seedling-raising method for purple sweet potato. The highly-efficient seedling-raising method comprises the following steps: selection of seed purple sweet potato, treatment of the seed purple sweet potato, construction of seedling-raising pipes, field planting of the seed purple sweet potato, collection and transplanting of purple sweet potato seedlings, and treatment after seedling collection. The highly-efficient seedling-raising method for the purple sweet potato provided by the invention has the following advantages: by adopting soilless culture, the environment is clean and beautiful; the purple sweet potato seedlings grow neatly and vigorously and have strong stress resistance; the incident rate of diseases and pests is 0 to 2%; the annual seedling production rate is increased by 25.8 to 27.2%; the raised-seedling growth period is shortened by 10 to 15 days; the economic income is improved by 21.2%; after the section of the seed purple sweet potato is soaked in a vitamin C solution, oxidation is avoided from generation; the absorption rate of nutrients is increased; germination of the seed purple sweet potato is promoted; a bud eye is upward, so growth and development are accelerated; culturing management of the seed purple sweet potato after field planting is performed according to different stages, and the optimum growth environment is strictly controlled, so the purple sweet potato seedlings grow neatly and vigorously and facilitates to unified management, and manpower and material resources are saved; and nutrients and rooting hormone are prepared according to the nutritional needs of the purple sweet potato, and the utilization rate of the nutrients is up to 92.4%, so a large amount of planting cost is saved.
Description
Technical field
The invention mainly relates to planting technology field, more particularly, to a kind of high efficiency seedling cultivating method of Rhizoma Steudnerae Henryanae.
Background technology
Rhizoma Steudnerae Henryanae is black potato again, potato meat be in purple to darkviolet, nutritious, except having the nutritional labeling of common Radix Ipomoeae
Outward, also be rich in selenium element and anthocyanidin, there is plurality of health care functions, can antioxidation, defying age, promote gastrointestinal function, fat-reducing
Weight reducing, enhancing immunity, cancer-resisting.
With the favor more and more higher to Rhizoma Steudnerae Henryanae for the people, the cultivated area of Rhizoma Steudnerae Henryanae and scale just constantly expand, and Rhizoma Steudnerae Henryanae is educated
The requirement of Seedling technology also more and more higher.At present, adopting soil cultivation nursery the method for culturing seedlings of Rhizoma Steudnerae Henryanae more, affected by temperature environment
Very big, there is certain seasonality, product Seedling amount is low, and condition is wayward, uneven emergence, be unfavorable for being managed collectively, accordingly, it would be desirable to
A kind of high efficiency seedling cultivating method of Rhizoma Steudnerae Henryanae, improves yield and the quality of nursery, expands the planting scale of Rhizoma Steudnerae Henryanae.
Content of the invention
In order to make up the defect of prior art, it is an object of the invention to provide a kind of high efficiency seedling cultivating method of Rhizoma Steudnerae Henryanae.
A kind of high efficiency seedling cultivating method of Rhizoma Steudnerae Henryanae, specifically includes following steps:
(1) potato seed selects: select uniform in size, no small holes caused by worms, undamaged Rhizoma Steudnerae Henryanae, soak 2 ~ 3 hours in clear water, dense with quality
Spend the vitamin c solution spraying cleaning for 0.4 ~ 0.6%, prevent tangent plane oxidized, remove surface dirt, obtain clean potato seed；
(2) potato seed is processed: clean potato seed is averagely cut to 2 pieces along major diameter, is uniformly sprayed with the alcoholic solution that mass fraction is 75%
Tangent plane, fountain height is 35 ~ 40ml/kg, obtains stripping and slicing potato seed；
(3) nursery pipe is set up: pipe diameter is 18 ~ 20cm, takes a length of 12 ~ 14cm, a width of 5 ~ 7cm in the surface of pipeline
Square field planting hole, pitch of holes is 8 ~ 10cm, is stuck in long and wide on field planting hole with field planting hole identical field planting basket, field planting basket is high
5 ~ 7cm, nutritional solution 0.9 ~ 1.1cm in the dip tube of bottom；
(4) potato seed field planting: the stripping and slicing potato seed that step (2) is obtained is placed in field planting basket, and tangent plane down, fully absorbs nutrient
Matter, all eyes upward, promote rudiment simultaneously, are passed through nutrient solution, carry out sublevel segment management；
(5) collect seedling transplanting: the potato seedling growth in potato seed is cut short in the base portion apart from potato seed 2 ~ 3cm, the potato seedling growth obtaining is dipped in concentration and is
Soak 35 ~ 40 minutes in the root element solution of 12 ~ 14mg/l, take out, hestening rooting, improve survival rate, planted；
(6) postharvest handling: adjust growing environment after collecting seedling, nutrient solution concentration is 2.5 ~ 2.7g/l, temperature is 25 ~ 27 DEG C,
Illumination is 1200 ~ 1400lx, air humidity is 73 ~ 75%, promotes potato seedling growth to sprout again.
The field planting basket of described step (3), material is the polypropylene of food stage, safety non-toxic, and two ends have handle, may be stuck in
On field planting hole, the aperture of field planting basket is 0.6 ~ 0.8cm.
The nutrient of described step (4), is made up of the raw material of following weight portion: ammonium sulfate 25 ~ 27, potassium phosphate 21 ~ 23, sulfur
Sour magnesium 18 ~ 20, calcium nitrate 14 ~ 16, potassium sulfate 10 ~ 12, ferrous sulfate 6 ~ 8, manganese chloride 6 ~ 8, copper sulfate 2 ~ 4, boric acid 2 ~ 4, sulfur
Sour zinc 1.2 ~ 1.4, sodium selenite 1.2 ~ 1.4.
The sublevel segment management of described step (4), is colonized 1 ~ 3 day, and nutrient solution concentration is 2.1 ~ 2.3g/l, temperature is 29
~ 31 DEG C, illumination be 600 ~ 700lx, air humidity be 78 ~ 80%, be colonized 4 ~ 7 days, nutrient solution concentration be 2.2 ~ 2.4g/l,
Temperature is 25 ~ 27 DEG C, illumination is 700 ~ 800lx, air humidity is 78 ~ 80%, is colonized 8 ~ 14 days, and nutrient solution concentration is 2.5
~ 2.7g/l, temperature are 26 ~ 28 DEG C, illumination is 1000 ~ 1100lx, air humidity is 72 ~ 74%, are colonized 15 ~ 20 days, nutrient is molten
Liquid concentration is 2.5 ~ 2.7g/l, temperature is 23 ~ 25 DEG C, illumination is 1400 ~ 1500lx, air humidity is 68 ~ 70%.
The root element of described step (5), is made up of the raw material of following weight portion: vitamin b1 13 ~ 15, brassinosteroid 8
~ 10, naphthalene acetic acid 8 ~ 10, kinetins 8 ~ 10.
The invention has the advantage that a kind of high efficiency seedling cultivating method of Rhizoma Steudnerae Henryanae of present invention offer, carry out soilless culture, once plant
Plant, can repeatedly collect seedling, environment is totally graceful, potato seedling growth growth is neat, and growing way is prosperous, strong stress resistance, and disease pest rate is only 0 ~ 2%, produces Seedling rate per year
Improve 25.8 ~ 27.2%, nursery trophophase shortens 10 ~ 15 days, improve income 21.2%；Material therefor is food stage, it is to avoid
Harmful substance leaches, and disease pest rate is low, does not use pesticide, safety non-toxic, green health；Carry out nursery, tangent plane by after potato seed stripping and slicing
After vitamin c solution soaking, it is to avoid aoxidize, have additional nutrients absorbance, promote potato seed rudiment, all eyes upward, plus
Fast growth promoter；After potato seed field planting, point different phase carries out training orientation, meets the nutritional need rule of potato seed and potato seedling growth, strictly
Control the most suitable growth environment, make potato seedling growth growing way neat, growth is prosperous, be easy to be managed collectively, use manpower and material resources sparingly；Nutrient and root element
Configured according to the nutritional need of Rhizoma Steudnerae Henryanae, nutrient utilization is up to 92.4%, saved a large amount of planting costs.
Specific embodiment
With specific embodiment, the present invention is described below.
Embodiment 1
A kind of high efficiency seedling cultivating method of Rhizoma Steudnerae Henryanae, specifically includes following steps:
(1) potato seed selects: selects uniform in size, no small holes caused by worms, undamaged Rhizoma Steudnerae Henryanae, soaks 2 hours, use mass concentration in clear water
Vitamin c solution spraying cleaning for 0.4%, prevents tangent plane oxidized, removes surface dirt, obtain clean potato seed；
(2) potato seed is processed: clean potato seed is averagely cut to 2 pieces along major diameter, is uniformly sprayed with the alcoholic solution that mass fraction is 75%
Tangent plane, fountain height is 35ml/kg, obtains stripping and slicing potato seed；
(3) nursery pipe is set up: pipe diameter is 18cm, the surface of pipeline take a length of 12cm, a width of 5cm square fixed
Plant hole, pitch of holes is 8cm, be stuck in long and wide on field planting hole with field planting hole identical field planting basket, be colonized the high 5cm of basket, bottom is soaked
Enter nutritional solution 0.9cm in pipeline；
(4) potato seed field planting: the stripping and slicing potato seed that step (2) is obtained is placed in field planting basket, and tangent plane down, fully absorbs nutrient
Matter, all eyes upward, promote rudiment simultaneously, are passed through nutrient solution, carry out sublevel segment management；
(5) collect seedling transplanting: the potato seedling growth in potato seed is cut short in the base portion apart from potato seed 2cm, the potato seedling growth obtaining is dipped in concentration and is
Soak 35 minutes in the root element solution of 12mg/l, take out, hestening rooting, improve survival rate, planted；
(6) postharvest handling: adjust growing environment after collecting seedling, nutrient solution concentration is 2.5g/l, temperature is 25 DEG C, illumination is
1200lx, air humidity are 73%, promote potato seedling growth to sprout again.
The field planting basket of described step (3), material is the polypropylene of food stage, safety non-toxic, and two ends have handle, may be stuck in
On field planting hole, the aperture of field planting basket is 0.6cm.
The nutrient of described step (4), is made up of the raw material of following weight portion: ammonium sulfate 25, potassium phosphate 21, magnesium sulfate
18th, calcium nitrate 14, potassium sulfate 10, ferrous sulfate 6, manganese chloride 6, copper sulfate 2, boric acid 2, zinc sulfate 1.2, sodium selenite 1.2.
The sublevel segment management of described step (4), is colonized 1 ~ 3 day, nutrient solution concentration is 2.1g/l, temperature is 29 DEG C,
Illumination is 600lx, air humidity is 78%, is colonized 4 ~ 7 days, and nutrient solution concentration is 2.2g/l, temperature is 25 DEG C, illumination is
700lx, air humidity are 78%, are colonized 8 ~ 14 days, and nutrient solution concentration is 2.5g/l, temperature is 26 DEG C, illumination is
1000lx, air humidity are 72%, are colonized 15 ~ 20 days, and nutrient solution concentration is 2.5g/l, temperature is 23 DEG C, illumination is
1400lx, air humidity are 68%.
The root element of described step (5), is made up of the raw material of following weight portion: vitamin b1 13, brassinosteroid 8, naphthalene
Acetic acid 8, kinetins 8.
Embodiment 2
A kind of high efficiency seedling cultivating method of Rhizoma Steudnerae Henryanae, specifically includes following steps:
(1) potato seed selects: select uniform in size, no small holes caused by worms, undamaged Rhizoma Steudnerae Henryanae, soak 2.5 hours in clear water, dense with quality
Spend the vitamin c solution spraying cleaning for 0.5%, prevent tangent plane oxidized, remove surface dirt, obtain clean potato seed；
(2) potato seed is processed: clean potato seed is averagely cut to 2 pieces along major diameter, is uniformly sprayed with the alcoholic solution that mass fraction is 75%
Tangent plane, fountain height is 38ml/kg, obtains stripping and slicing potato seed；
(3) nursery pipe is set up: pipe diameter is 19m, the surface of pipeline take a length of 13cm, a width of 6cm square fixed
Plant hole, pitch of holes is 9cm, be stuck in long and wide on field planting hole with field planting hole identical field planting basket, be colonized the high 6cm of basket, bottom is soaked
Enter nutritional solution 1.0cm in pipeline；
(4) potato seed field planting: the stripping and slicing potato seed that step (2) is obtained is placed in field planting basket, and tangent plane down, fully absorbs nutrient
Matter, all eyes upward, promote rudiment simultaneously, are passed through nutrient solution, carry out sublevel segment management；
(5) collect seedling transplanting: the potato seedling growth in potato seed is cut short in the base portion apart from potato seed 2.5cm, the potato seedling growth obtaining is dipped in concentration and is
Soak 38 minutes in the root element solution of 13mg/l, take out, hestening rooting, improve survival rate, planted；
(6) postharvest handling: adjust growing environment after collecting seedling, nutrient solution concentration is 2.6g/l, temperature is 26 DEG C, illumination is
1300lx, air humidity are 74%, promote potato seedling growth to sprout again.
The field planting basket of described step (3), material is the polypropylene of food stage, safety non-toxic, and two ends have handle, may be stuck in
On field planting hole, the aperture of field planting basket is 0.7cm.
The nutrient of described step (4), is made up of the raw material of following weight portion: ammonium sulfate 26, potassium phosphate 22, magnesium sulfate
19th, calcium nitrate 15, potassium sulfate 11, ferrous sulfate 7, manganese chloride 7, copper sulfate 3, boric acid 3, zinc sulfate 1.3, sodium selenite 1.3.
The sublevel segment management of described step (4), is colonized 1 ~ 3 day, nutrient solution concentration is 2.2g/l, temperature is 30 DEG C,
Illumination is 650lx, air humidity is 79%, is colonized 4 ~ 7 days, and nutrient solution concentration is 2.3g/l, temperature is 26 DEG C, illumination is
800lx, air humidity are 79%, are colonized 8 ~ 14 days, and nutrient solution concentration is 2.6g/l, temperature is 27 DEG C, illumination is
1000lx, air humidity are 73%, are colonized 15 ~ 20 days, and nutrient solution concentration is 2.6g/l, temperature is 24 DEG C, illumination is
1400lx, air humidity are 69%.
The root element of described step (5), is made up of the raw material of following weight portion: vitamin b1 14, brassinosteroid 9, naphthalene
Acetic acid 9, kinetins 9.
Embodiment 3
A kind of high efficiency seedling cultivating method of Rhizoma Steudnerae Henryanae, specifically includes following steps:
(1) potato seed selects: selects uniform in size, no small holes caused by worms, undamaged Rhizoma Steudnerae Henryanae, soaks 3 hours, use mass concentration in clear water
Vitamin c solution spraying cleaning for 0.6%, prevents tangent plane oxidized, removes surface dirt, obtain clean potato seed；
(2) potato seed is processed: clean potato seed is averagely cut to 2 pieces along major diameter, is uniformly sprayed with the alcoholic solution that mass fraction is 75%
Tangent plane, fountain height is 40ml/kg, obtains stripping and slicing potato seed；
(3) nursery pipe is set up: pipe diameter is 20cm, the surface of pipeline take a length of 14cm, a width of 7cm square fixed
Plant hole, pitch of holes is 10cm, be stuck in long and wide on field planting hole with field planting hole identical field planting basket, be colonized the high 7cm of basket, bottom is soaked
Enter nutritional solution 1.1cm in pipeline；
(4) potato seed field planting: the stripping and slicing potato seed that step (2) is obtained is placed in field planting basket, and tangent plane down, fully absorbs nutrient
Matter, all eyes upward, promote rudiment simultaneously, are passed through nutrient solution, carry out sublevel segment management；
(5) collect seedling transplanting: the potato seedling growth in potato seed is cut short in the base portion apart from potato seed 3cm, the potato seedling growth obtaining is dipped in concentration and is
Soak 40 minutes in the root element solution of 14mg/l, take out, hestening rooting, improve survival rate, planted；
(6) postharvest handling: adjust growing environment after collecting seedling, nutrient solution concentration is 2.7g/l, temperature is 27 DEG C, illumination is
1400lx, air humidity are 75%, promote potato seedling growth to sprout again.
The field planting basket of described step (3), material is the polypropylene of food stage, safety non-toxic, and two ends have handle, may be stuck in
On field planting hole, the aperture of field planting basket is 0.8cm.
The nutrient of described step (4), is made up of the raw material of following weight portion: ammonium sulfate 27, potassium phosphate 23, magnesium sulfate
20th, calcium nitrate 16, potassium sulfate 12, ferrous sulfate 8, manganese chloride 8, copper sulfate 4, boric acid 4, zinc sulfate 1.4, sodium selenite 1.4.
The sublevel segment management of described step (4), is colonized 1 ~ 3 day, nutrient solution concentration is 2.3g/l, temperature is 31 DEG C,
Illumination is 700lx, air humidity is 80%, is colonized 4 ~ 7 days, and nutrient solution concentration is 2.4g/l, temperature is 27 DEG C, illumination is
800lx, air humidity are 80%, are colonized 8 ~ 14 days, and nutrient solution concentration is 2.7g/l, temperature is 28 DEG C, illumination is
1100lx, air humidity are 74%, are colonized 15 ~ 20 days, and nutrient solution concentration is 2.7g/l, temperature is 25 DEG C, illumination is
1500lx, air humidity are 70%.
The root element of described step (5), is made up of the raw material of following weight portion: vitamin b1 15, brassinosteroid 10,
Naphthalene acetic acid 10, kinetins 10.
Comparative example
Existing Rhizoma Steudnerae Henryanae method for culturing seedlings.
Embodiment and the mensure of each index of comparative example Rhizoma Steudnerae Henryanae method for culturing seedlings:
In identical area, according to the method for culturing seedlings of embodiment and comparative example, nursery is carried out to the Rhizoma Steudnerae Henryanae of same breed respectively, to purple
Each index of potato method for culturing seedlings is measured, and the measurement result of embodiment and each index of comparative example Rhizoma Steudnerae Henryanae method for culturing seedlings is shown in Table 1.
Table 1: the mensure of embodiment and each index of comparative example Rhizoma Steudnerae Henryanae method for culturing seedlings
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example |
| Disease pest rate/(%) | 2 | 0 | 0 | 18 |
| Produce Seedling rate per year and improve/(%) | 26.5 | 25.8 | 27.2 | — |
| Nursery trophophase/(my god) | 19 | 17 | 16 | 27 |
| Transplanting survival rate/(%) | 100 | 100 | 100 | 92 |
| Income improves/(%) | 20.6 | 21.2 | 21.1 | — |
Note: " " indicate Wu.
The result of table 1 shows, the high efficiency seedling cultivating method of embodiment Rhizoma Steudnerae Henryanae, and disease pest rate is substantially low compared with comparative example, produces Seedling amount per year
Improve compared with comparative example and reach 27.2%, growing-seedling period is substantially short compared with comparative example, resistance and strong adaptability, and after transplanting, survival rate is
100%, income improves 21.2% compared with comparative example, illustrates that the high efficiency seedling cultivating method of the Rhizoma Steudnerae Henryanae that the present invention provides has good educating
Seedling effect.
Claims (5)
1. a kind of high efficiency seedling cultivating method of Rhizoma Steudnerae Henryanae is it is characterised in that specifically include following steps:
(1) potato seed selects: select uniform in size, no small holes caused by worms, undamaged Rhizoma Steudnerae Henryanae, soak 2 ~ 3 hours in clear water, dense with quality
Spend the vitamin c solution spraying cleaning for 0.4 ~ 0.6%, remove surface dirt, obtain clean potato seed；
(2) potato seed is processed: clean potato seed is averagely cut to 2 pieces along major diameter, is uniformly sprayed with the alcoholic solution that mass fraction is 75%
Tangent plane, fountain height is 35 ~ 40ml/kg, obtains stripping and slicing potato seed；
(3) nursery pipe is set up: pipe diameter is 18 ~ 20cm, takes a length of 12 ~ 14cm, a width of 5 ~ 7cm in the surface of pipeline
Square field planting hole, pitch of holes is 8 ~ 10cm, is stuck in long and wide on field planting hole with field planting hole identical field planting basket, field planting basket is high
5 ~ 7cm, nutritional solution 0.9 ~ 1.1cm in the dip tube of bottom；
(4) potato seed field planting: the stripping and slicing potato seed that step (2) is obtained is placed in field planting basket, and tangent plane down, is passed through nutrient solution,
Carry out sublevel segment management；
(5) collect seedling transplanting: the potato seedling growth in potato seed is cut short in the base portion apart from potato seed 2 ~ 3cm, the potato seedling growth obtaining is dipped in concentration and is
Soak 35 ~ 40 minutes in the root element solution of 12 ~ 14mg/l, take out, planted；
(6) postharvest handling: adjust growing environment after collecting seedling, nutrient solution concentration is 2.5 ~ 2.7g/l, temperature is 25 ~ 27 DEG C,
Illumination is 1200 ~ 1400lx, air humidity is 73 ~ 75%.
2. according to claim 1 the high efficiency seedling cultivating method of Rhizoma Steudnerae Henryanae it is characterised in that the field planting basket of described step (3), material
For the polypropylene of food stage, two ends have handle, may be stuck on field planting hole, and the aperture of field planting basket is 0.6 ~ 0.8cm.
3. according to claim 1 the high efficiency seedling cultivating method of Rhizoma Steudnerae Henryanae it is characterised in that the nutrient of described step (4), by with
The raw material composition of lower weight portion: ammonium sulfate 25 ~ 27, potassium phosphate 21 ~ 23, magnesium sulfate 18 ~ 20, calcium nitrate 14 ~ 16, potassium sulfate 10 ~
12nd, ferrous sulfate 6 ~ 8, manganese chloride 6 ~ 8, copper sulfate 2 ~ 4, boric acid 2 ~ 4, zinc sulfate 1.2 ~ 1.4, sodium selenite 1.2 ~ 1.4.
4. according to claim 1 the high efficiency seedling cultivating method of Rhizoma Steudnerae Henryanae it is characterised in that the sublevel segment management of described step (4),
Field planting 1 ~ 3 day, nutrient solution concentration is 2.1 ~ 2.3g/l, temperature is 29 ~ 31 DEG C, illumination is 600 ~ 700lx, air humidity is
78 ~ 80%, it is colonized 4 ~ 7 days, nutrient solution concentration is 2.2 ~ 2.4g/l, temperature is 25 ~ 27 DEG C, illumination is 700 ~ 800lx, sky
Air humidity degree is 78 ~ 80%, is colonized 8 ~ 14 days, and nutrient solution concentration is 2.5 ~ 2.7g/l, temperature is 26 ~ 28 DEG C, illumination is 1000
~ 1100lx, air humidity are 72 ~ 74%, are colonized 15 ~ 20 days, and nutrient solution concentration is 2.5 ~ 2.7g/l, temperature is 23 ~ 25
DEG C, illumination be 1400 ~ 1500lx, air humidity be 68 ~ 70%.
5. according to claim 1 the high efficiency seedling cultivating method of Rhizoma Steudnerae Henryanae it is characterised in that the root element of described step (5), by with
The raw material composition of lower weight portion: vitamin b1 13 ~ 15, brassinosteroid 8 ~ 10, naphthalene acetic acid 8 ~ 10, kinetins 8 ~ 10.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104160934A (en) * | 2014-08-08 | 2014-11-26 | 和县秀山美地农业科技有限公司 | Water cultivation method for purple sweet potatoes |
| CN104969744A (en) * | 2015-06-14 | 2015-10-14 | 安徽徽大农业有限公司 | Efficient purple sweet potato seedling method |
| CN105393902A (en) * | 2015-12-11 | 2016-03-16 | 广西佳联达生态农业发展有限责任公司 | Jade sweet potato leaf soilless culturing method |
| CN105706880A (en) * | 2016-03-15 | 2016-06-29 | 宁夏农林科学院 | Purple sweet potato virus-free seedling water culture fast breeding method |
| CN105746316A (en) * | 2015-07-31 | 2016-07-13 | 南通惠然生物科技有限公司 | Soil-less culturing method for sweet potatoes |
-
2016
- 2016-08-26 CN CN201610729661.7A patent/CN106358658A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104160934A (en) * | 2014-08-08 | 2014-11-26 | 和县秀山美地农业科技有限公司 | Water cultivation method for purple sweet potatoes |
| CN104969744A (en) * | 2015-06-14 | 2015-10-14 | 安徽徽大农业有限公司 | Efficient purple sweet potato seedling method |
| CN105746316A (en) * | 2015-07-31 | 2016-07-13 | 南通惠然生物科技有限公司 | Soil-less culturing method for sweet potatoes |
| CN105393902A (en) * | 2015-12-11 | 2016-03-16 | 广西佳联达生态农业发展有限责任公司 | Jade sweet potato leaf soilless culturing method |
| CN105706880A (en) * | 2016-03-15 | 2016-06-29 | 宁夏农林科学院 | Purple sweet potato virus-free seedling water culture fast breeding method |
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