CN109275529A - A kind of ecological Chinese yam cultivation method in nonirrigated farmland - Google Patents
A kind of ecological Chinese yam cultivation method in nonirrigated farmland Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/25—Root crops, e.g. potatoes, yams, beet or wasabi
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
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Abstract
The invention discloses a kind of ecological Chinese yam cultivation methods in nonirrigated farmland.This method comprises the following steps: a, channel digging and tank pouring: in yam planting digging ditch obliquely, ditch bottom pours U-type groove with cement mortar；B, Chinese yam seedling stem is planted in U-type groove；C, field management.The method of the present invention is suitable for the arid slope of comparison, in conjunction with fertilization mode of the present invention, does not have to for the whole year to Chinese yam watering and spraying pesticide, not only cultivates, manages and harvest easy to operate, but also is a kind of yam planting method of full ecological.
Description
Technical field
The invention belongs to the cultivation fields of Chinese yam, and in particular to a kind of ecological Chinese yam cultivation method in nonirrigated farmland.
Background technique
Chinese yam, i.e. Chinese yam, herbaceos perennial, vines are raw, often band purple, and stem tuber is cylindrical, vertical-growth, and length is reachable
1m, leaf is to life, flower milky, dioecism.Chinese yam starch rich in, vitamin and phosphorus, calcium, magnesium, iron, zinc, copper,
The mineral elements such as potassium are nutriment suitable for people of all ages.Meanwhile there are also the functions such as invigorating the spleen, kidney tonifying, strengthening the essence for Chinese yam, to person in middle and old age's spleen
Stomach weakness, loss of appetite, diabetes, constipation etc. have certain curative effect.
Chinese yam light, cold resistance is poor, preferably grows in draining good, loose fertile soil, avoids waterlogging.In existing literature
Many implantation methods in relation to Chinese yam are disclosed, usually all include content:
One, breeding is selected.The Chinese yam for producing high-quality, preferably selects that in good taste, disease-resistant, resistance is strong, resistance to rich water, yield
It is high, quality is good, shelf-stable Chinese yam.
Two, plot is selected.Such as select high-land, irrigation and drainage convenient, the plot of hidding and sunny side.
Three, ditching is applied fertilizer.As before the winter deep plough 30 lis of m, to promote soil-ripening.Mid-February in next year, by 0.9~1m of line-spacing
Ditching, ditch depth 1.4m, wide 0.25m.After digging well immediately in ditch toward backfill, it is noted that cleaning out clay in ditch when banketing.Often
30 centimetres of backfill thickness simultaneously jams on once, collapses to prevent rainy season furrow face, also can avoid stem tuber branch deformity after yam planting.
Ditch fill and lead up after with it is remaining soil with decomposed good high-quality barnyard manure, mixed uniformly by clay fertilizer 2:1, build wide 0.5m in the place of ditching, height
The earth ridge of 0.4m prevents from rainwater from entering causing to collapse in ditch.General every 667 ㎡ applies decomposed high-quality barnyard manure and chicken manure 10000KG, cake
Fertile 150KG, calcium superphosphate 50KG, plant ash 200KG.Fertilizing method is uniformly to impose on fertilizer among two ridges, ploughs under soil with shovel
In, after treading leveling with foot, according to topography and geomorphology, it is mating to carry out field water system, drains flooded fields drop stain with benefit or dry season pours water.
Four, seed selection seed soaking.In the seed selection seed soaking of Chinese yam, " four close " is usually held.First is that " choosing ", i.e., pre- before the selection winter
3 centimetres of the diameter bright in colour stayed or more stem tuber upper section or upper end mouthpiece make seedling stem, plant 35~40 centimetres of stem length.It is required that without mould
Point, disease-free spot, nothing are rotted.Seed quality is better than finished product Chinese yam with Chinese yam bundle, and volume variance is larger.Second is that " cutting ", in 3 months
Take upper section stem tuber dissection ten days, 15~20 lis of m of every segment length immediately in incision dipping calcium lime powder, and shine 3~5 fine days.Third is that
The Chinese yam cut is placed on open air by " tired ", irradiated 5~7 days using sunlight, increases seed bound water content, is promoted to be formed and is cured
Injured tissue.Fourth is that " leaching ", is impregnated seedling stem 15 minutes again with 40% carbendazim colloidal suspending agent, 300 times of liquid before plant, pulls out and plant after drying
It plants.
Five, epiphragma is transplanted.It is preferably transplanted at the beginning of 4 months by the end of March in Shandong Lunan area.Spacing in the rows 0.23~0.25m, every 667
㎡ planting density is 2600~2900 plants.Transplanting seedling stem method is ditched on earth ridge, 10 centimetres of ditch depth, seedling stem or mouthpiece is put down
It puts in ditch, then 5 cm thick of blinding, covers mulch after treading leveling.It is investigated according to multiple spot, overlay film can early emerge 15 days or so, and
Emergence is neat, cauline leaf growth is fast, and the shelfful phase does sth. in advance 33 days.
Six, high-level cultivating.One Chinese yam seedling stem only goes out 1 seedling, if any several seedlings, should when 7~8 centimetres of its climing length, select and remain 1
Healthy and strong climing of item, remaining is removed.April, Chinese yam emerge 5~9 centimetres when, timely rupture of membranes puts seedling, and sealer is kept the temperature, and prevents burning
Seedling and bright seedling.At climing high 30 centimetres, take in time herringbone help it is climing, support height be 1.5~1.6m, so as to ventilation and penetrating light.
When Chinese yam beans generate, if not utilizing, it should erase early.Leaf-area coefficient and yield can be effectively improved by increasing support height.
Seven, covering wheat straw.The wheat straw of 20 cm thicks is covered in the ranks June, cover grass amount about 400KG/667m2, it can be effectively
It eliminates weeds and soil moisture conservation is taked precautions against drought.
Eight, rich water is managed and protected.It should suitably be applied depending on the growth of cereal crop seedlings after Chinese yam emergence and mention seed manure.General every 667m2 can cave apply ammonium bicarbonate 20KG,
Calcium superphosphate 15KG.Mid-June, into tendril and potato wedge growth period, when underground stem tuber starts to expand rapidly, general every 667m2
Ammonium bicarbonate 25KG, calcium superphosphate 20KG, plant ash 50KG should be applied.Mid-August insect pest preventing and controlling are carried out according to plant growing way and appearance,
Primary, continuously spray 3~4 times can be sprayed within every 10 days in 1% urea of foliage-spray and 0.25% potassium dihydrogen phosphate, to prevent
Plant early ageing.The watering management of Chinese yam, it should be noted that ground moistening is kept in tuber growth peak period, it is not non-irrigated, it does not fill.
Nine, preventing disease pest control.Get rid of it is climing before spray 300 times of zineb in basal part of stem, prevent anthracnose.It sprays within every 7~10 days later
Medicine 1 time, about 2~3 times.Mid-July, such as heavy rain or cloudy weather for several days running, should fill spray immediately after it's clearing up.In addition, special
Pay attention to subterranean pest-insect such as grub, cutworm and eats the prevention and treatment of sawfly.Grub, cutworm, larva is pungent with 500 times 50% after three ages
Sulphur phosphorus is mixed fresh paulownia leaves poison bait and is stacked in the dusk, every 667m2120 heap, 50~100 grams of every heap.Eating sawfly should practise according to its life
Property carry out integrated control: 1. fine site preparation eliminates winter pupa.2. improving field microclimate mitigates the degree that causes harm.3. catch and kill larva and
Ovum.4. adding 20% to carry out come clever 4 milliliters of good fortune with 90% trichlorphon, 1000 times of liquid in adult full incidence period and egg hatching high bee phase
Foliar spray.
Ten, excavation in due course.
In addition, application No. is 201010148911.0 Chinese patents to disclose a kind of yam planting method, it is main special
Point be in the kind transplantation of seedlings to guide pipe that will there is terminal bud to grow the Chinese yam good appearance that plantation can be made to obtain, harvest it is time saving and energy saving,
Damage rate is low, but this method is limited due to being planted in contact in guide pipe with soil, is unfavorable for Chinese yam to moisture and nutriment
Absorption, the growth being unfavorable for.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of ecological Chinese yam cultivation methods in nonirrigated farmland.
The technical solution adopted by the present invention to solve the technical problems is: the implantation methods of Chinese yam include the following steps:
A, channel digging and tank pouring: in yam planting digging ditch obliquely, and ditch bottom pours U-type groove with cement mortar；
B, Chinese yam seedling stem is planted in U-type groove；
C, field management.
Wherein, the high 6~15cm of the side wall of U-type groove described in the above method.
Wherein, the depth of ditch described in the above method is 25~35cm, and width is 40~60cm.
Wherein, Chinese yam seedling stem described in the above method is that every 100~250g of section is cut into after Chinese yam to be dried to partial moisture, so
Ash wood is smeared in wound afterwards to obtain.
Wherein, the angle of the ditch in the above method obliquely and horizontal plane is 20~30 °.
Wherein, it selects to the yam planting on hillside on the sunny side.
Wherein, step b specifically comprises the following steps: in the above method
1. littering in U-type groove and leaf, the amount with leaf is littered are as follows: 3~4cm of thickness after compression；Then 2 are covered again
The soil of~3cm thickness；
2. applying fertilizer and banketing: vegetable seed oil cake and sheep dung are layered on soil；Then flat ditch is covered in again；
3. Chinese yam seedling stem is planted in U-type groove within the time in season Clear and Bright to grain rains.
Wherein, the proportion of vegetable seed oil cake and sheep dung is sheep dung of every 100kg vegetable seed oil cake with 3~50kg in the above method,
Every 0.5~1kg of Chinese yam seedling stem fertilising.
Wherein, in the above method step 3. in, Chinese yam seedling stem plantation depth be 20~22cm, Chinese yam seedling stem radial direction
It is identical as the direction of ditch.
Wherein, the leaf is shrub leaf.
Wherein, field management described in step c includes the steps that applying and mentions seed manure, built and apply fruit-promoting fertilizer in the above method；
Applying and mentioning seed manure is when just growing big blade after Chinese yam germination, and every plant of Chinese yam applies 0.8~1.2kg fertilizer, and will with grass and leaf
Fertilizer covers；Fertilizer ratio is the sheep dung that every 100kg vegetable seed oil cake matches 3~50kg.
Wherein, applying fruit-promoting fertilizer is to open the grass and leaf for applying bedding when mentioning seed manure, often when Chinese yam no longer grows new blade
Strain Chinese yam applies 1~1.5kg fertilizer, is then covering grass and leaf；Fertilizer ratio is every 100kg vegetable seed oil cake with 3~50kg's
Sheep dung.
The method of the present invention can specifically be implemented in the following way:
The implantation methods of Chinese yam, include the following steps:
1. channel digging and tank pouring: along the ditch of hillside digging obliquely on the sunny side, the angle of ditch and horizontal plane is 20~30 °, the depth of ditch
Degree is 25~35cm, and width is 40~60cm, and ditch bottom pours U-type groove, the high 6~15cm of the side wall of U-type groove with cement mortar；
2. littering in U-type groove and leaf, the leaf being shrub leaf, the amount with leaf is littered are as follows: after compression
3~4cm of thickness；Then the soil of 2~3cm thickness is covered again；
3. applying fertilizer and banketing: vegetable seed oil cake and sheep dung being layered on soil, the proportion of vegetable seed oil cake and sheep dung is every 100kg
Vegetable seed oil cake matches the sheep dung of 3~50kg, every 0.5~1kg of Chinese yam seedling stem fertilising；Then flat ditch is covered in again；
4. Chinese yam seedling stem is planted in U-type groove within the time in season Clear and Bright to grain rains, the depth of Chinese yam seedling stem plantation is
20~22cm, Chinese yam seedling stem radial direction are identical as the direction of ditch；The Chinese yam seedling stem is cut after Chinese yam to be dried to partial moisture
At every 100~250g of section, ash wood then is smeared in wound and is obtained；
Mention seed manure 5. applying: when just growing big blade after Chinese yam germination, every plant of Chinese yam applies 0.8~1.2kg fertilizer, and with careless
Fertilizer is covered with shrub leaf；Fertilizer ratio is the sheep dung that every 100kg vegetable seed oil cake matches 3~50kg；
6. built；
7. applying fruit-promoting fertilizer；When Chinese yam no longer grows new blade, the grass and leaf for applying bedding when mentioning seed manure, every plant of mountain are opened
Medicine applies 1~1.5kg fertilizer, is then covering grass and leaf；Fertilizer ratio is the sheep dung that every 100kg vegetable seed oil cake matches 3~50kg.
The beneficial effects of the present invention are: the present invention is by digging ditch obliquely, poured in the bottom of ditch with cement mortar U-shaped
Slot enables Chinese yam to grow obliquely along U-type groove, Chinese yam is avoided to grow into depth directly down by yam planting in U-type groove
Place, facilitates harvest；Meanwhile the U-type groove that cement mortar pours is embedded at earth's surface, it can be in Long-term absorption U-type groove soil below
Moisture absorbed for Chinese yam, the offer of U-type groove moisture and each season natural precipitation, it is sufficient to which the needs for meeting Chinese yam growth such as exist
7, August part, when Chinese yam water requirement maximum, the water deficient that U-type groove provides, but 7, August part natural precipitation amount is big, therefore, this hair
Bright method is suitably adapted for the arid slope of comparison, and does not need to water to Chinese yam for the whole year, and cultivation, management and harvest are all suitable
It is easy.
Another of the invention feature is to apply fertilizer before yam planting, apply and mention seed manure and apply fruit-promoting fertilizer, all uses rapeseed oil
Withered and sheep dung mixed fertilizer.Inventor passes through the site test of many years, has been found that only using the mixed of vegetable seed oil cake and sheep dung
Hefei is not only able to provide enough nutrients to Chinese yam, and the Chinese yam stem tuber of underground is not in the undergrounds such as grub, cutworm
Pest, Chinese yam stem tuber do not need chemical pesticide and are prevented and treated, and such as pig manure, other chemical fertilizer cannot all play such effect, apply dish
Seed oil cake and sheep dung achieve unexpected technical effect, and the present invention provides a kind of sides of the plantation Chinese yam of full ecological
Method, the Chinese yam mouthfeel that this method obtains are also more preferable.
Detailed description of the invention
Fig. 1 is the cross-sectional of ditch of the present invention and U-type groove；
In the figure, it is marked as 1 is the ditch dug for plantation Chinese yam, 2 be the U-type groove that ditch bottom pours, and 3 be Chinese yam seedling stem.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific embodiments.
The implantation methods of Chinese yam of the present invention, include the following steps:
A, slot is built in ditching 1: in yam planting digging ditch obliquely 1,1 bottom of ditch pours U-type groove 2 with cement mortar；
B, Chinese yam seedling stem 3 is planted in U-type groove 2；
C, field management.
In order to make finally to plant obtained Chinese yam better quality, 3 selection of Chinese yam seedling stem of the invention is preferably in good taste, is cooked
More glutinous wild yam afterwards.
Preferably, in order to keep Chinese yam growth more preferable, the high 6~15cm of the side wall of U-type groove 2 described in the above method, such Chinese yam
Make that U-type groove 2 will not be grown in growth, facilitate harvest, meanwhile, the root system of Chinese yam can easily grow U-type groove 2, absorb slot with
Outer nutrient and moisture.
Preferably, in order to keep the growth of Chinese yam more preferable, the depth of ditch 1 described in the above method is 25~35cm, and width is
40~60cm.
Inventors have found that ash wood can play the role of disinfection and sterilization, the Chinese yam of plantation can be prevented by smearing ash wood
Seedling stem 3 is rotted, meanwhile, drying partial moisture can promote the growth of Chinese yam to germinate, therefore, Chinese yam seedling stem described in the above method
3 be that every 100~250g of section is cut into after Chinese yam to be dried to partial moisture, then smears ash wood in wound and obtains.
Preferably, the angle of the ditch 1 in the above method obliquely and horizontal plane is 20~30 °.Angle is too big, is unfavorable for U
Type groove 2 extracts the moisture of underground and the harvest of Chinese yam, and angle is too small, is unfavorable for the growth of Chinese yam.
Preferably, it selects to the yam planting on hillside on the sunny side.Chinese yam light, therefore optimization cultivation is on ground on the sunny side
Side, hillside is conducive to drain, so being also beneficial to the growth of Chinese yam, and is conducive to ditching 1 of the present invention and builds slot, reduces work
Amount.
The present invention also provides a kind of preferred method by yam planting in U-type groove 2, specifically comprise the following steps:
1. littering in U-type groove 2 and leaf, the amount with leaf is littered are as follows: 3~4cm of thickness after compression；Then it covers again
The soil of 2~3cm thickness；
2. applying fertilizer and banketing: vegetable seed oil cake and sheep dung are layered on soil；Then flat ditch 1 is covered in again；
3. Chinese yam seedling stem 3 is planted in U-type groove 2 within the time in season Clear and Bright to grain rains.
By yam planting in U-type groove 2: being to dig pit in ditch 1 first, directly dig at grass and leaf, then by Chinese yam
3 kinds of seedling stem enter in hole, then fill and lead up hole again with soil.
Another of the invention feature is to apply fertilizer before yam planting, apply and mention seed manure and apply fruit-promoting fertilizer, all uses rapeseed oil
Withered and sheep dung mixed fertilizer.Inventor passes through the site test of many years, has been found that only using the mixed of vegetable seed oil cake and sheep dung
Hefei is not only able to provide enough nutrients to Chinese yam, and the Chinese yam stem tuber of underground is not in the undergrounds such as grub, cutworm
Pest, Chinese yam stem tuber do not need chemical pesticide and are prevented and treated, and such as pig manure, other chemical fertilizer cannot all play such effect, this hair
It is bright to apply vegetable seed oil cake and sheep dung achieves unexpected technical effect.
Preferably, in order to reach better vermins-proof effect, the proportion of vegetable seed oil cake and sheep dung is every in the above method
100kg vegetable seed oil cake matches the sheep dung of 3~50kg, every 0.5~1kg of the fertilising of Chinese yam seedling stem 3.
It is preferred that in order to keep the growth of Chinese yam seedling stem 3 more preferable, in the above method step 3. in, the depth of 3 kinds of Chinese yam seedling stem plants
For 20~22cm, 3 radial direction of Chinese yam seedling stem is identical as the direction of ditch 1.
By the test of inventor's many years, seed oil cake and sheep dung with the use of the effect that can play insect prevention, but it is careless
If abused with leaf, vermins-proof effect can be reduced, such as use sugarcane top, the leaf of bamboo and eucalyptus leaves, therefore, in order to reach more
Good vermins-proof effect, the leaf are shrub leaf.
Wherein, field management described in step c includes the steps that applying and mentions seed manure, built and apply fruit-promoting fertilizer in the above method；
Applying and mentioning seed manure is when just growing big blade after Chinese yam germination, and every plant of Chinese yam applies 0.8~1.2kg fertilizer, and will with grass and leaf
Fertilizer covers；Fertilizer ratio is the sheep dung that every 100kg vegetable seed oil cake matches 3~50kg.
Wherein, applying fruit-promoting fertilizer is to open the grass and leaf for applying bedding when mentioning seed manure, often when Chinese yam no longer grows new blade
Strain Chinese yam applies 1~1.5kg fertilizer, is then covering grass and leaf；Fertilizer ratio is every 100kg vegetable seed oil cake with 3~50kg's
Sheep dung.
Second year after yam planting can harvest Chinese yam, usually after the Double Ninth Festival.When harvest, covering is excavated
Soil on Chinese yam stem tuber, cuts the stem tuber grown obliquely, buries soil again, later annual only to need to carry out this
The field management step of invention.Usually plantation is primary, can harvest 10 years or so.
Using the method for the present invention, for the whole year without to Chinese yam watering and pesticide, cultivation, management and harvest are all and its simple
It is single.
A specific embodiment of the invention is further described below by embodiment, but therefore will be not of the invention
Protection scope limitation in one embodiment.
Embodiment one plants Chinese yam using the method for the present invention
Address is selected in Panzhihua City Yanbian County endroit.
1. slot is built in ditching 1: digging ditch 1 obliquely, a plurality of 1 laid out in parallel of ditch, between ditch 1 and ditch 1 along hillside on the sunny side
Apart from about 1.3m or so, about 25 ° of angle or so of ditch 1 and horizontal plane, the depth about 30cm or so of ditch 1, width about 50cm or so,
1 bottom of ditch pours U-type groove 2, the high 11cm of the side wall of U-type groove 2 or so with cement mortar.
2. spreading dry weeds and shrub leaf in U-type groove 2, weeds and leaf are tapped on hillside, not by pesticide
Pollution, the amount of weeds and leaf are as follows: thickness about 4cm after compression or so；Then the soil of about 3cm thickness is covered again.
3. applying fertilizer and banketing: vegetable seed oil cake and sheep dung being layered on soil, the proportion of vegetable seed oil cake and sheep dung is every 100kg
Vegetable seed oil cake matches the sheep dung of 30kg, the every fertilising of Chinese yam seedling stem 3 0.8kg；Then flat ditch 1. is covered in again
4. the Ching Ming Festival after 10 days or so time, Chinese yam seedling stem 3 is planted in U-type groove 2,3 kinds of Chinese yam seedling stem plants
Depth is 20~22cm or so, and 7 Chinese yam seedling stems 3 are planted in each seeding, and 3 radial direction of Chinese yam seedling stem is identical as the direction of ditch 1；Mountain
Pharmacopoeia stem 3 is to be cut into every 100~250g of section after wild yam good in taste to be dried to partial moisture, is then smeared in wound
Ash wood obtains.
Mention seed manure 5. applying: when just growing big blade after Chinese yam germination, every plant of Chinese yam applies 1kg fertilizer, and with drying weeds
Fertilizer is covered with shrub leaf；Fertilizer ratio is the sheep dung that every 100kg vegetable seed oil cake matches 30kg.
6. built: the bar of built is 2-3 meters long, and every two bars are barricaded as X-shape, then are connected X-shape with other bar, frame
It is equal 1.7 meters or so high.
7. applying fruit-promoting fertilizer；When Chinese yam no longer grows new blade, the grass and leaf for applying bedding when mentioning seed manure, every plant of mountain are opened
Medicine applies about 1.2kg fertilizer, is then covering grass and leaf；Fertilizer ratio is the sheep dung that every 100kg vegetable seed oil cake matches 3~50kg.
8. second year harvests Chinese yam after the Double Ninth Festival, the soil being covered on Chinese yam stem tuber is excavated, is cut obliquely
The stem tuber grown buries soil after harvest again.
Watering and pesticide are not carried out to Chinese yam during entire plantation and harvest, Chinese yam well-grown, yield is high,
4500 kilograms of real estate or so per acre, and grow straight, uniform in size, good appearance.
Comparative example one
Place and method are all the same as example 1, and difference is to apply fertilizer before yam planting, applies and mentions seed manure and Shi Zhuanguo
Fertilizer all uses pig manure and compound fertilizer, and as a result Chinese yam growing way is fast, and 5000 kilograms or so of every per mu yield, but Chinese yam is invaded by subterranean pest-insect
Food, appearance damage, and mouthfeel is poor relative to embodiment one, and economic benefit is lower.
Claims (1)
1. the ecological Chinese yam cultivation method in nonirrigated farmland, it is characterised in that include the following steps:
1. channel digging and tank pouring: along the ditch of hillside digging obliquely on the sunny side, the angle of ditch and horizontal plane is 20~30 °, and the depth of ditch is
25~35cm, width are 40~60cm, and ditch bottom pours U-type groove, the high 6~15cm of the side wall of U-type groove with cement mortar；
2. littering in U-type groove and leaf, the leaf being shrub leaf, the amount with leaf is littered are as follows: the thickness 3 after compression
~4cm；Then the soil of 2~3cm thickness is covered again；
3. applying fertilizer and banketing: vegetable seed oil cake and sheep dung being layered on soil, the proportion of vegetable seed oil cake and sheep dung is every 100kg vegetable seed
Oil cake matches the sheep dung of 3~50kg, every 0.5~1kg of Chinese yam seedling stem fertilising；Then flat ditch is covered in again；
4. Chinese yam seedling stem is planted in U-type groove within the time in season Clear and Bright to grain rains, Chinese yam seedling stem plantation depth be 20~
22cm, Chinese yam seedling stem radial direction are identical as the direction of ditch；The Chinese yam seedling stem is to be cut into after Chinese yam to be dried to partial moisture often
100~250g is saved, then ash wood is smeared in wound and obtains；
Mention seed manure 5. applying: when just growing big blade after Chinese yam germination, every plant of Chinese yam applies 0.8~1.2kg fertilizer, and with grass and fills
The wooden class leaf covers fertilizer；Fertilizer ratio is the sheep dung that every 100kg vegetable seed oil cake matches 3~50kg；
6. built；
7. applying fruit-promoting fertilizer；When Chinese yam no longer grows new blade, the grass and leaf for applying bedding when mentioning seed manure are opened, every plant of Chinese yam is applied
Then 1~1.5kg fertilizer covers grass and leaf again；Fertilizer ratio is the sheep dung that every 100kg vegetable seed oil cake matches 3~50kg.
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| CN103210783A (en) * | 2013-05-17 | 2013-07-24 | 攀枝花愚公农业开发有限公司 | Dioscorea opposita planting method |
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| CN106613170A (en) * | 2016-11-27 | 2017-05-10 | 刘雄 | Planting method of Chinese yams |
| CN107396741A (en) * | 2017-09-04 | 2017-11-28 | 张德龙 | A kind of implantation methods of Chinese yam |
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