CN103430806A - Reshaping and cultivating method of pear tree with single trunk and two main branches - Google Patents
Reshaping and cultivating method of pear tree with single trunk and two main branches Download PDFInfo
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Abstract
The invention relates to a reshaping and cultivating method for a pear tree with a single trunk and two main branches. The reshaping and cultivating method specifically comprises the following steps: planting a plantlet at a 1.5m-1.7m position of the height of the trunk; selecting and remaining two strong branches or strong buds which are cultivated into two main branches reversely growing along the rows at a basal angle of 45 degrees; fixing the main braches on a horizontal shed frame when the main branches reach racking points, and inducing the extended branches of the main branches to an inducing rod which forms a 45-degree angle with the shed frame, wherein extended fruiting branch groups which are in parallel arranged and vertically extend into the rows are provided on the main branches; and gently and slowly pushing, binding and fixing the two main branches to the flat shed frame surface in autumn of the next year. The reshaping and cultivating method disclosed by the invention is quick in crown forming speed, capable of completing the crown structure cultivation 3 years after the planting to begin to enter into an initial fruiting period which is increased year by year, and high in fruit quality uniformity. Meanwhile, the pruned crown does not contain secondary branches, and therefore, the reshaping and cultivating method has the advantages of being simple to prune, convenient to manage, good in ventilation and light transmission condition and the like.
Description
Technical field
The present invention relates to a kind of dimension stereo agriculture planting method, be specifically related to a kind of single trunk two major branch pear tree form culture methods.
Background technology
Pears are rose family pear plant, perennial deciduous fruit tree, and arbor, leaf is avette, how to spend white, fruit succulence, edible.Between 8～September, gather during fruit maturation, using fresh herb or section are dried.Principal item has four kinds of Ussurian pears, white pear, sand pear, foreign pears, is distributed in North China, northeast, northwest and each province, the Yangtze river basin more.The adaptability of environment is stronger than apple to external world.Cold-resistant, drought-enduring, waterlogging, Salt And Alkali Tolerance.Its shaping methods is mainly the happy shape of shed frame type and tree-like without the natural open centre shape of frame, and its pruning main points are described below.
1, the happy shape planting distance of shed frame type is 6 * 6 meters, 2 meters of the height of trees, the high 1 meter left and right of trunk, major branch and trunk angle 45 degree, three scaffold limbs are 120 degree azimuths and extend, 2～3 secondary major branches of each major branch configuration, and the first secondary major branch is from 1 meter left and right of major branch base portion, the second secondary major branch is cultivated at opposite side in left and right, 80 centimetres, interval, secondary major branch and main branch angles 90 degree.Be 90 degree configuration side shoots at major branch and secondary major branch both sides, homonymy side shoot spacing distance is 50～70 centimetres.
2, natural open centre shape frame pears planting density is rarer, within first 5 years, take and cultivates skeleton as main, go into operation late, and frame material cost is high, still is difficult at present generally promote.According to the actual conditions of current our province pears planting culture, absorb the cultivation experience of Japanese frame pears, ad hoc meter is without the natural open centre shape of secondary major branch.The tree body structure is: 3～5 meters * 4 meters of planting distances, and 2.5 meters of the height of trees, the high 60 centimetres of left and right of trunk, major branch and trunk base angle 50～60 degree, haunch 50 degree left and right, tip angle 30 degree, three scaffold limbs are 120 degree azimuths and extend, and each major branch both sides are 90 degree configuration side shoots.50～70 centimetres of homonymy side shoot spacing distances.But said method also is not suitable with the special weather conditions of Jiangsu Province, and enter fruiting period evening.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of single trunk two major branch pear tree form culture methods.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is:
A kind of single trunk two major branch pear tree form culture methods, comprise the following steps: First Year: after seedling planting, select full bud surely dry, nursery stock stays the upwards growth of the most healthy and the strongest young sprout of 1 root growth after germinateing, all the other buds are erased, during shoot growth to 20 centimetre, vertically insert 1 bamboo pole near planting stock, young sprout is fixed on bamboo pole; When shoot growth to 1.5～1.7 meter, by the pinching of young sprout tip, select and remain 2 vigorous branches or strong bud, cultivate into two base angles and be the major branch that 45 degree follow back growth, major branch is fixed on while reaching at added on horizontal rack and the major branch elongated shoot is lured to cause and is 45 degree with frame and lures and draw bar, when the upper winter cuts, to the major branch elongated shoot, staying full lateral bud to cut cuts, removes major branch elongated shoot competitive branch;
Second Year: continue to lure after the full lateral bud rudiment of major branch elongated shoot and draw elongation growth, and maintenance major branch elongated shoot growth vigor, the young sprout that under lateral bud or the side of selecting and remain on major branch, bud is sprouted is made side shoot, homonymy stays a side shoot every 40cm, and the both sides tractive to major branch is fixed on flat frame face by side shoot, keep being arranged in parallel on major branch, the length of vertically stretching to is in the ranks put fruit bearing shoot, the major branch back does not stay the bough group, the bud that the major branch back is sprouted carries out the pinching processing when length is lower than 10cm in early days, pinching again after germination, pinching is 3～4 times repeatedly, it is cultivated into to fruit spur, press down gently bondage to this two major branch and be fixed on flat frame face autumn, the major branch elongated shoot lures to draw and raises, continuing to stay full lateral bud to cut to the major branch elongated shoot when winter cuts cuts, remove major branch elongated shoot competitive branch, side shoot on major branch is wiped out top young sprout 25～35cm, stays outer bud or lateral bud to prune,
The 3rd year: continue to lure to draw after the full lateral bud rudiment of major branch elongated shoot and raise elongation growth, and keep major branch elongated shoot apical dominance, on major branch in, base portion cultivates medium-sized branch group, branch group interval 60～80cm; Small-sized branch group and unijunction fruit branch are cultivated in major branch top, small-sized branch group interval 30～40cm, unijunction fruit branch interval 15～20cm, press down gently bondage to the major branch elongated shoot and be fixed on flat frame face autumn, when the winter cuts, to the renewal that bounce back of the medium-sized branch group on major branch, small-sized branch group, the tree-like and shaping of pear tree list trunk two major branch shapes completes substantially.
The structure of described frame is: frame height 1.9m, with concrete column, build, the side column horizontal spacing is 4m, longitudinal pitch is 6m, the outer squint of corner post, side column and ground angle at 45 °, the capital end is fixed with iron wire, No. 8 galvanized wires for surrounding and side column bracing wire, side column is to weaving into 4 * 6m grid with No. 10 galvanized wires between bracing wire, middle each crosspoint fore-set vertical support to bracing wire of frame, vertically three No. 12 galvanized wires are drawn in every fore-set band both sides, and spacing is 0.4m successively, and side column and corner post can be unsteady according to reality with the distance between the most contiguous fore-set.
The concrete column that described fore-set length and width high standard is 2.0m * 0.06m * 0.06m.
The concrete column that described side column length and width high standard is 2.7m * 0.1m * 0.1m.
The concrete column that described corner post length and width high standard is 3.2m * 0.14m * 0.14m.
The invention has the beneficial effects as follows: tree crown moulding of the present invention is fast, within 3 years, can complete Crown Structure after general field planting and cultivate, and starts to enter the just fruit phase, and rises year by year, and the fruit quality regularity is high; Simultaneously, the tree crown be trimmed to is containing secondary scaffold branch, has and prunes the advantages such as simple, convenient management, ventilation and penetrating light condition are good.
The accompanying drawing explanation
Fig. 1 is the end perspective view of one group of frame of the present invention.
In accompanying drawing, 1 is No. 8 galvanized wires; 2 is No. 10 galvanized wires; 3 is No. 12 galvanized wires; 4 is corner post; 5 is side column; 6 is fore-set.
Embodiment
Below preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
The embodiment of the present invention comprises:
The enforcement time: 2010～2013
Implement place: white rabbit town, Jurong City, Jiangsu Province Bai Zhishan Ecological Orchard
(1), implement instantiation:
Select kind: abundance of water, golden pear;
(2) implementation method:
Comprise:
(1) field is selected: select soil layer loose deep, the soil that the content of organic matter is high.Appropriate pH value 5.5～7.5.
(2) build frame: frame height 1.9m, with concrete column, build, corner post 4 length and width high standards are 3.2m * 0.14m * 0.14m, side column 5 specifications are 2.7m * 0.1m * 0.1m, fore-set 6 specifications are 2.0m * 0.06m * 0.06m, the side column horizontal spacing is that 4m, longitudinal pitch are 6m, corner post 4, side column 5 and the outer squint of ground angle at 45 °, and capital 6 ends are fixed with iron wire.Surrounding and No. 8 galvanized wires 1 for side column 5 bracing wires, weave into spacing 4 * 6m grid with No. 10 galvanized wires 2 between 5 pairs of bracing wires of side column, in the middle of frame to fore-set 6 vertical support for each crosspoint of bracing wire.Vertically three No. 12 galvanized wires 3 are drawn in every fore-set band both sides, and spacing is 0.4m successively.Distance between side column and corner post and the most contiguous fore-set can be floated according to reality.
(3) dig the field planting ditch: the field planting ditch that excavates wide 80cm～100cm, dark 40～50cm in the field planting row.First insert 1000kg～1500kg straw or weeds for every mu, after inserting straw or weeds, cover the native 10cm of table left and right, more every mu is executed organic base manure 1500～2000kg, fused calcium magnesium phosphate 50～75kg, the compound potassium sulfate fertilizer 20～30kg such as chicken manure and mixes with native, the having peace of mind while filling out.Banket to overhead approximately during 5～10cm, cover subsoil and pile low higher than face 15～20cm both sides, ridge in the middle of the high field planting row that is full shape.
(4) field planting:
Mid-February, spacing in the rows was 6 meters to the early March field planting, and line-spacing is 4 meters.Select suitable pear tree nursery stock, require the nursery stock stalwartness, branch is healthy and strong, tissue enriches, and degree of lignification is high, and trunk is clear and definite, well developed root system is and complete, and main root reaches 30cm, and more lateral root and fibrous root are arranged, root system is without splitting, have the bud of complete stalwartness, nursery stock has no mechanical damage, without damage by disease and insect, not dehydration, possess exuberant vitality.700 times of liquid disinfectants of 70% thiophanate methyl wetting powder for root system before field planting, stem is sterilized with 3～5 Baume degrees lime sulfurs.
Shoot root is placed on to field planting row field planting point upper, nursery stock is held up directly.Make root in order rear earthing steady and sure, earthing is to the grafting mouth usually, and trunk selects full bud surely dry.Water permeable after, root week covers with the unregistered land film, the water conservation moisturizing.
(5) pollinated variety
Select pollinated variety, basically identical with the main breed florescence, pollen affinity is strong, and after pollination, percentage of fertile fruit is high mutually, and self economic worth is high kind also.By pollinated variety field planting adjacent with main breed.
(6) irrigate
When water capacity, lower than 15%～20% the time, must pour water.Can adopt the methods such as pouring, the short stream of tubule, drip irrigation.Watering time is mainly when budding period, Fruit and Drought in Autumn.
(7) pruning
First Year: after seedling planting, select full bud surely dry, nursery stock stays the upwards growth of the most healthy and the strongest young sprout of 1 root growth after germinateing, and all the other buds are erased, and during shoot growth to 20 centimetre, near planting stock, vertically inserts 1 bamboo pole, and young sprout is fixed on bamboo pole; When shoot growth to 1.5～1.7 meter, by the pinching of young sprout tip, select and remain 2 vigorous branches or strong bud, cultivate into two base angles and be the major branch that 45 degree follow back growth, and major branch is fixed on while reaching at added on horizontal rack and the major branch elongated shoot is lured to cause and is 45 degree with frame and lures and draw on bar.When the winter cuts, to the major branch elongated shoot, staying full lateral bud to cut cuts, removes major branch elongated shoot competitive branch.
Second Year: continue to lure after the full lateral bud rudiment of major branch elongated shoot and draw elongation growth, and keep major branch elongated shoot growth vigor.The young sprout that under lateral bud or the side of selecting and remain on major branch, bud is sprouted is made side shoot, and homonymy stays a side shoot every 40cm, and the both sides tractive to major branch is fixed on flat frame face by side shoot, keeps the length that is arranged in parallel, vertically stretches in the ranks on major branch to put fruit bearing shoot.The major branch back does not stay the bough group, and the bud that the major branch back is sprouted carries out the pinching processing when length is lower than 10cm in early days, pinching again after germination, and pinching is 3～4 times repeatedly, and it is cultivated into to fruit spur.Press down gently bondage to this two major branch and be fixed on flat frame face autumn, and the major branch elongated shoot lures to draw and raises.Continuing to stay full lateral bud to cut to the major branch elongated shoot when winter cuts cuts, removes major branch elongated shoot competitive branch; Side shoot on major branch is wiped out top young sprout 25～35cm, stays outer bud or lateral bud to prune.
The 3rd year: continue to lure to draw after the full lateral bud rudiment of major branch elongated shoot and raise elongation growth, and keep major branch elongated shoot apical dominance.In on major branch, base portion cultivates medium-sized branch group, branch group interval 60～80cm; Small-sized branch group and unijunction fruit branch are cultivated in major branch top, small-sized branch group interval 30～40cm, unijunction fruit branch interval 15～20cm.Press down gently bondage to the major branch elongated shoot and be fixed on flat frame face autumn.When the winter cuts to the renewal that bounces back of the medium-sized branch group on major branch, small-sized branch group.Tree-like and the shaping of the single trunk two major branch shapes of pear tree completes substantially.
To note the renewal of fruit-bearing shoot cluster on major branch after single trunk two major branch shape pear trees enter the full bearing period, make it keep the rejuvenation of fruit-bearing shoot cluster.
(8) flower and fruit thinning
Flower thinning carries out to the florescence at bud stage, and fruit thinning starts in one week after fallen flowers, urgent.Interval between branch is that an inflorescence is stayed in about 20cm, and stay inflorescence the 2nd to the 4th, each inflorescence stays 1～2 flower.Dredge the flower bud fruit thinning according to suitable load capacity 120%～130% quantity of fruit in the inflorescence separation period.Fixed fruit is the latest earlier than after fallen flowers one month.
(9) bagging
Bag type application pears bag special, specification is 150mm * 195mm, bagging time is for spending latter 30～40 days.Should spray a sterilization, insecticide before bagging.
(10) gather
Gather and appropriate to the occasionly gently adopt and put down gently, live fruit with hand rest and slightly reverse, take along fruit branch side top.Fruit will be gathered according to mature condition in batches.Bamboo, cane basket or plastic crate for fruit picking, basket or plastic crate are unsuitable excessive, the pad piece of sack or blank sheet of paper in basket or plastic crate.Fruit is put 1～2 layer in basket or plastic crate.
(11) extermination of disease and insect pest
Major Diseases:
1. pear scab
Cultural control: strengthen management, increasing application phosphorus potassium fertilizer, strengthen tree vigo(u)r, improves resistance against diseases; Cleaning fallen leaves after fruit harvesting, wipe out the disease tip in conjunction with winter pruning, concentrates to burn or buried, reduces the germ hibernating base.
Chemical control: a) spray 2000 times of 12.5% alkene azoles alcohol wetting powders before rudiment; Or 3 ° of Be～5 ° Be lime sulfurs; B) control in vegetative period is from spraying by the end of April the medicine control, and the medicament of selecting has 3000～5000 times of liquid of 12.5% special spectrum azoles wetting powder, 6000～8000 times of liquid of 40% lucky star missible oil, 3000 times of liquid of 10% Difenoconazole.
2. Pear black spot
Cultural control: do garden work clearly autumn well, remove the disease leaf, concentrate and burn pathogeny; Strengthen cultivation management.Applying organic manure, phosphorus potash fertilizer, strengthen tree vigo(u)r, improves resistance against diseases.
Chemical control: a) pear tree is sprayed 5 ° of Be lime sulfurs before germinateing, and forces down the bacterium source of surviving the winter; B) before growth Ji Hua, respectively spray bactericide one time after spending, execute medicine one time every 15d, continuous spraying 5～6 times later.Select medicament: 50% 1000～1500 times of iprodione wetting powders liquid, 1000～1500 times of liquid of 10% Polyoxin wetting powder, 70% mancozeb or 80% spray gram, living greatly M～600～800 times of liquid of 45 wetting powder, 1: 2: 240 times of bordeaux mixture etc.
3. rust of pear
Cultural control: remove alternate host.The Bai Leishu such as the juniper around the elimination orchard, cypress, or before pear tree germination in spring, spray 20% powder rust missible oil on these plants.
Chemical control: respectively spray a medicine before spending, after spending to prevent protection.Selectable medicament has: 1000～1500 times of liquid of 20% triadimefon missible oil, 20% the 400 times of liquid of the peaceful emulsion of rust etc. that wither.
4. ring spot
Cultural control: scrape the disease skin and eliminate the bacterium source, daubing medicament has: 2～3 times of liquid of Fubiqing, 30～50 times of liquid of 5% octicin solution aqua or 5 ° of Be degree lime sulfurs.The rational application of fertilizer, enrich phosphorus, potash fertilizer, strengthens tree vigo(u)r.
Chemical control: 50% 500 times of carbendazol wettable powders liquid; 1: 2～3: 200～240 times bordeaux mixture; 50% 500 times of carbendazol wettable powders liquid+600 times of liquid of 90% epidemic disease frost spirit.Above medicament is used alternatingly.
Major Pests
1. oriental fruit moth
Cultural control: while building garden, should avoid and the peach companion planting, or closely plantation, reduce the oriental fruit moth transfer and cause harm; Strike off on tree and slightly split and stick up skin in conjunction with clear garden, eliminate Overwintering Larvae; Wipe out the peach tip that oriental fruit moth is caused harm early stage.
Chemical control: can be in conjunction with control peach fruit borer medication control in late May to early June.Every a medicine of 10～15d left and right spray.Medicament has: 20% goes out sweeps 3000 times of liquid of sharp missible oil, 2000 times of liquid of 2.5% time missible oil etc.
2. pear fruit borer
Cultural control: prune in conjunction with pear tree, wipe out the worm bud, or extract killed bud early spring.
Chemical control: grasp the Overwintering Larvae flower forward bud phase, turn fruit phase and first and second generation larva hatching Sheng phase spray medicine control.The control medicament is with the control oriental fruit moth.
3. pear sucker
Cultural control: scrape bark early spring, do garden clearly well, eliminate winter generation adult.
Chemical control: come out of hibernation the Sheng phase the adult that survives the winter, before spending, spend rear first generation nymph occurance peak, contain and spend the control of rear 30d left and right first generation adult eclosion Sheng phase spray medicine.Selectable agricultural chemicals: 10% 4000 times of imidacloprid wettable powders liquid, 20% goes out and sweeps 3000 times of liquid of sharp missible oil, 2000 times of liquid of 2.5% time missible oil.
4. pears stem honeybee
Cultural control: growth should be wiped out in time the killed withered tender tip season and properly be destroyed in time.
Chemical control: medicament has: 90% 800 times of trichlorphons liquid, 2000 times of liquid of 20% fenvalerate missible oil.
(12) fertilizer practice
1. base manure
Fertilization time is (mid-September～mid or late October) after fruit harvesting.Fertilizer type be take fertilizer as main, mixes fused calcium magnesium phosphate.Be that annual fertilizer and Phosphorus Fertilizer Rates once apply.Method is with ring-type, arcuation, radial ditch spread (furrow width 30cm～50cm, dark 30cm～40cm).The Nitrogen Fertilizer In Autumn amount accounts for 50% (containing fertilizer and available nitrogen) of annual total amount of nitrogen.
2. topdress
Fertile before rudiment: 10d left and right before rudiment (late March～4 month at the beginning of), take nitrogenous fertilizer as main, amount of application of nitrogen fertilizer accounts for 20% of annual nitrogen.
Hua Houfei: May time early and middle ten days, take potash fertilizer as main, K Amounts is 60% of annual potassium element, amount of application of nitrogen fertilizer accounts for 20% of annual nitrogen.
Fruit fertilizer: early June～mid-July time, be advisable with multi-elements composite fertilizer.Amount of application of nitrogen fertilizer accounts for 10% of annual nitrogen, and K Amounts accounts for 40% of annual potassium element.
Top dressing: at moistening, calm weather before at 10 o'clock in the morning or after at 4 o'clock in afternoon, foliar spray.Concrete time, kind, concentration are: florescence spray 0.2%～0.3% boric acid; Growth 0.2%～0.3% urea in early stage and 0.3% potassium dihydrogen phosphate; The growth later stage is sprayed 0.3% potassium dihydrogen phosphate.
(3) implementation result
The pear tree that is the three flat canopy cultivations of major branch (seeding row spacing is 6 * 6m) by conventional cultivation compares.Table 1 finds out, current increment is comparatively remarkable compared with the control.
Table 1: increment inventory table (2010, annual)
As shown in Table 2, the pear tree of cultivating under this cultivation method is apparently higher than contrast on single fruit weight, soluble solid content, and this cultivation method can fully effectively utilize luminous energy as seen, promotes plant vegetative growth and reproductive growth.
Table 2: fruit bearing habit information slip (2013, life in 4 years)
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (5)
1. single trunk two major branch pear tree form culture methods is characterized in that comprising the following steps:
First Year: after seedling planting, select full bud surely dry, nursery stock stays the upwards growth of the most healthy and the strongest young sprout of 1 root growth after germinateing, and all the other buds are erased, and during shoot growth to 20 centimetre, near planting stock, vertically inserts 1 bamboo pole, and young sprout is fixed on bamboo pole; When shoot growth to 1.5～1.7 meter, by the pinching of young sprout tip, select and remain 2 vigorous branches or strong bud, cultivate into two base angles and be the major branch that 45 degree follow back growth, major branch is fixed on while reaching at added on horizontal rack and the major branch elongated shoot is lured to cause and is 45 degree with frame and lures and draw bar, when the upper winter cuts, to the major branch elongated shoot, staying full lateral bud to cut cuts, removes major branch elongated shoot competitive branch;
Second Year: continue to lure after the full lateral bud rudiment of major branch elongated shoot and draw elongation growth, and maintenance major branch elongated shoot growth vigor, the young sprout that under lateral bud or the side of selecting and remain on major branch, bud is sprouted is made side shoot, homonymy stays a side shoot every 40cm, and the both sides tractive to major branch is fixed on flat frame face by side shoot, keep being arranged in parallel on major branch, the length of vertically stretching to is in the ranks put fruit bearing shoot, the major branch back does not stay the bough group, the bud that the major branch back is sprouted carries out the pinching processing when length is lower than 10cm in early days, pinching again after germination, pinching is 3～4 times repeatedly, it is cultivated into to fruit spur, press down gently bondage to this two major branch and be fixed on flat frame face autumn, the major branch elongated shoot lures to draw and raises, continuing to stay full lateral bud to cut to the major branch elongated shoot when winter cuts cuts, remove major branch elongated shoot competitive branch, side shoot on major branch is wiped out top young sprout 25～35cm, stays outer bud or lateral bud to prune,
The 3rd year: continue to lure to draw after the full lateral bud rudiment of major branch elongated shoot and raise elongation growth, and keep major branch elongated shoot apical dominance, on major branch in, base portion cultivates medium-sized branch group, branch group interval 60～80cm; Small-sized branch group and unijunction fruit branch are cultivated in major branch top, small-sized branch group interval 30～40cm, unijunction fruit branch interval 15～20cm, press down gently bondage to the major branch elongated shoot and be fixed on flat frame face autumn, when the winter cuts, to the renewal that bounce back of the medium-sized branch group on major branch, small-sized branch group, the tree-like and shaping of pear tree list trunk two major branch shapes completes substantially.
2. single trunk two major branch pear tree form culture methods according to claim 1, it is characterized in that, the structure of described frame is: frame height 1.9m, with concrete column, build, the side column horizontal spacing is 4m, longitudinal pitch is 6m, corner post, the outer squint of side column and ground angle at 45 °, the capital end is fixed with iron wire, No. 8 galvanized wires for surrounding and side column bracing wire, side column is to weaving into 4 * 6m grid with No. 10 galvanized wires between bracing wire, middle each crosspoint fore-set vertical support to bracing wire of frame, vertically three No. 12 galvanized wires are drawn in every fore-set band both sides, spacing is 0.4m successively, distance between side column and corner post and the most contiguous fore-set can be floated according to reality.
3. single trunk two major branch pear tree form culture methods according to claim 2, is characterized in that the concrete column that described fore-set is 2.0m * 0.06m * 0.06m.
4. according to the described single trunk two major branch pear tree form culture methods of claim 2 or 3, it is characterized in that the concrete column that described side column length and width high standard is 2.7m * 0.1m * 0.1m.
5. according to the described single trunk two major branch pear tree form culture methods of claim 2 or 3, it is characterized in that the concrete column that described corner post length and width high standard is 3.2m * 0.14m * 0.14m.
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