CN114793744B

CN114793744B - Planting method capable of overcoming continuous cropping of peach tree

Info

Publication number: CN114793744B
Application number: CN202210621294.4A
Authority: CN
Inventors: 于洁; 陈文玉; 彭兵; 武猛; 王兵; 单阵; 刘敏; 崔帅; 郑乔方; 陈晓卓
Original assignee: Feicheng Feicheng Peach Industry Development Center
Current assignee: Feicheng Feicheng Peach Industry Development Center
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2023-09-22
Anticipated expiration: 2042-06-02
Also published as: CN114793744A

Abstract

The application provides a planting method capable of overcoming continuous cropping of peach trees, which comprises the steps of finding out the central point positions of diagonal lines of four adjacent old peach trees after leaves of the old peach trees fall, and digging a big hole with square 1 meter at the central point positions; using quicklime to disinfect soil; applying a bio-organic fertilizer; digging a planting hole in the center of the big hole before sprouting of the old peach tree, disinfecting the small peach seedlings before planting, and then planting the small peach seedlings; after the small peach seedlings are planted in a fixed mode, branches of the old peach trees, which shield illumination of the small peach trees, are removed, and the rest branches are reserved; after the peach tree grows up, the whole plant of the old peach tree is completely planed after leaves fall in autumn, and meanwhile, the soil at the tree pit of the old peach tree is scattered by quicklime, and the soil is disinfected after the soil is turned over and doped. The application has the advantages of short garden building time, quick updating and updating speed, labor saving, low improvement cost, controllable harmless degree, capability of ensuring a part of economic benefits, reduced updating and updating loss, effective avoidance of continuous cropping influence, economy, practicability and convenient popularization.

Description

Planting method capable of overcoming continuous cropping of peach tree

Technical Field

The application belongs to the technical field of peach tree planting, and particularly relates to a planting method capable of overcoming continuous cropping of peach trees.

Background

The peach tree has long cultivation history, the continuous cropping of the peach tree is a common problem in cultivation, namely, the old peach tree is dug off on the same land, and a new peach tree is planted again, so that the growth of the new peach tree can be inhibited or serious diseases occur, the new root is basically not generated in the current year, the branches are short, the growth is weak, and even the new peach tree is dead in the current year; even if the tree survives, the tree vigor is weak, the peach tree yield is low, the peach quality is poor, and huge loss is caused for fruit farmers.

The reason for the formation of the continuous cropping problem of peach trees is generally considered to be that the root system of the previous-cropping peach tree is secreted and released to release a large amount of metabolites such as peach glycoside during the growth and development process for many years and during the decay, toxic substances such as hydrocyanic acid and benzoic acid are generated through the decomposition of soil microorganisms, and the substances have toxic effects on the newly planted young tree root system, and the growth is strongly inhibited, so that the growth and development of the peach tree are affected.

Secondly, because peach trees are fixedly grown in one place for a long time, certain nutrient components in soil are continuously and selectively absorbed, so that soil nutrition is unbalanced, the nutrition required by fruit trees, especially trace elements, are not supplied enough, and other elements can be excessive, so that the peach trees grow poorly or die.

And the toxic substances in the soil of the old peach orchard are increased, so that the soil environment is destroyed, beneficial microorganisms are greatly reduced, the mycorrhizas of newly planted saplings are greatly reduced, the growth and absorption capacity are weakened, and the growth of the saplings is influenced.

At present, the common method for solving the continuous cropping problem of peach trees is rotation, and most of the methods adopt planting of other crops for several years, and then planting the peach trees again; secondly, soil replacement transformation is carried out; thirdly, chemical sterilization and disinfection treatment of formalin and the like is carried out. The first method can lose certain market opportunity of the to-be-cultivated varieties due to delay of a plurality of years; the second method requires more good soil, and along with the development of society, good soil suitable for peach growth can also become a pretty resource, so that soil replacement is not easy to find, and labor and effort are wasted. The third method is unfavorable because of troublesome operation, poor effect and poor control of harmless degree, and especially the land problem in the peach tree cultivation process is more tension after the country proposes the policy of protecting cultivated land and the fruit tree does not occupy basic farmland.

Disclosure of Invention

In order to solve the problems in the prior art, a planting method capable of overcoming continuous cropping of peach trees is provided.

The technical scheme adopted for solving the technical problems is as follows:

the technical scheme provides a planting method capable of overcoming continuous cropping of peach trees, which comprises the following steps:

s1: after the old peach tree leaves, finding out the diagonal central point positions of four adjacent old peach trees, and digging a big hole with a square 1 meter at the central point positions;

s2: sterilizing soil by using quicklime, turning and mixing the excavated soil and the quicklime uniformly, and watering;

s3: applying bio-organic fertilizer, sterilizing the soil for 10-15 days, applying 40-50kg of bio-organic fertilizer in each hole, fully and uniformly mixing the bio-organic fertilizer and the sterilized soil, and backfilling the mixture into big holes;

s4: digging a planting hole in the center of the big hole before sprouting of the old peach tree, dipping the root of the small peach seedling with 1-2 times of a biological pesticide K84 or 1000 times of a carbendazim solution for disinfection T time before planting, and then planting the small peach seedling;

s5: after the small peach seedlings are planted in a fixed mode, the small peach seedlings grow to form small peach trees in the first year, branches of the old peach trees which cover the illumination of the small peach trees are removed through a branch pruning tool, the rest branches are reserved, and the branches of the old peach trees which cover the illumination of the small peach trees are removed through the branch pruning tool continuously as the small peach trees grow in the second year;

s6: and in the third year, the main branches of the old peach tree are completely removed, only the central trunk is reserved, the old peach tree is not dead, the whole plant and the root of the old peach tree are completely planed after the leaves fall in autumn, meanwhile, the soil at the tree pit of the old peach tree is scattered by quicklime, turned and doped for soil disinfection, then the tree pit of the old peach tree is sun-dried for one winter, and the tree pit of the old peach tree is leveled in spring.

Preferably, the branch pruning tool comprises a scissors body and an extension handle, wherein the upper end of the scissors body is respectively connected with a left blade and a right blade, the lower end of the scissors body is rotationally connected with an upper worm wheel, and the upper worm wheel is fixedly connected with a rotary handle with a cavity inside; the upper end of the extension handle is fixedly connected with a rack and a guide rod, and the rack and the guide rod are both in sliding connection with the rotary handle; the lower end of the rotary handle is rotationally connected with a driving gear, the driving gear is meshed with the rack, the driving gear is coaxially connected with an upper tooth-missing gear, and the upper tooth-missing gear is used for driving the upper worm wheel to rotate.

Preferably, the lower end of the rotary handle is rotatably connected with a driven gear, and the driven gear is meshed with the upper tooth-missing gear; the driven gear is coaxially connected with a driving sprocket, the upper end of the rotating handle is rotationally connected with the driven sprocket, a chain is hung on the driven sprocket and the driving sprocket, the driven sprocket is coaxially connected with an upper worm, and the upper worm is meshed with the upper worm wheel.

Preferably, the lower end of the extension handle is rotatably connected with a lower worm wheel and a lower worm, the lower worm wheel is fixedly connected with a grab handle, the lower worm wheel is meshed with the lower worm, and one end of the lower worm penetrates out of the extension handle.

Preferably, the lower end of the extension handle is rotatably connected with a rope collecting wheel, the rope collecting wheel is wound with a pull rope, and the upper end of the pull rope penetrates out of the extension handle and then is connected with the rotary handle; the rope winding wheel is coaxially connected with a lower gear with teeth, the lower worm is coaxially connected with a reversing gear, and the lower gear with teeth is meshed with the reversing gear.

Preferably, the direction of rotation of the rotatable handle is opposite to the direction of rotation of the grip.

Preferably, the upper ends of the scissors bodies are respectively connected with symmetrically arranged clamping heads, the clamping heads are fixedly connected with telescopic rods, and the telescopic rods are rotationally connected with clamping plates; the telescopic rod is sleeved with a spring, one end of the spring is connected with the clamping head, and the other end of the spring is connected with one end of the telescopic rod, which is close to the clamping plate.

Preferably, in the step S5, the method for removing branches includes:

s11: according to the height of the branches, the extension handle is pulled outwards, the rack drives the driving gear and the upper tooth-missing gear to rotate, the upper tooth-missing gear drives the driven gear and the driving sprocket to rotate, the driving sprocket drives the driven sprocket and the upper worm to rotate through the chain, the upper worm drives the upper worm wheel to rotate, and the upper worm wheel drives the rotary handle to rotate inwards;

s12: the rope pulling rope drives the rope collecting wheel to rotate along with the outward pulling of the extension handle, the rope collecting wheel drives the reversing gear and the lower worm to rotate through the lower tooth-missing gear, the lower worm drives the lower worm wheel to rotate, and the lower worm wheel drives the grab handle to rotate outwards, so that an operator can hold the grab handle conveniently;

s13: pressing the grab handle, the grab handle drives the scissors body to rotate, and the scissors body drives the clamping head to rotate inwards, under the effect of clamping plate, realizes the clamp of branch, along with continuing to press the grab handle, left blade and right blade mutually support, realize cutting off of branch, later drive the branch through clamping plate and fall.

Compared with the prior art, the application has the following advantages:

1. the application solves the problem of serious continuous cropping disease and hazard of the peach tree planted again in the old peach garden, as the old peach tree is gradually removed in the re-planting process, the old peach tree is not dead before the growth of the small peach tree, so that toxic substances generated in the death and decay process of the old peach tree do not exist, the growth of the small peach tree is influenced, the small peach tree grows up until the third year, the resistance is enhanced, and the continuous cropping hazard can be greatly reduced by planing the old peach tree; compared with the prior art, the method has the advantages of simple operation, economy, practicability, low improvement cost, short garden building time, high updating speed, no need of more land and soil, effective avoidance of continuous cropping influence in the replanting process, and partial economic benefit.

2. According to the application, the small peach trees are planted at the diagonal central points of the four adjacent old peach trees, the positions are far away from the roots of the four old peach trees, the positions are slightly influenced by harmful substances at the roots of the old peach trees, the positions are positioned between rows of the old peach garden, the ventilation and light transmission conditions are good, the small peach trees are facilitated to receive more sunlight, the healthy growth of the small peach trees is promoted, more land and soil are not needed, and the land gaps are fully utilized.

3. The quick lime, K84, the bio-organic fertilizer, the carbendazim and other materials adopted in the application are easy to buy, the price is low, the operation is convenient, wherein the quick lime is utilized for disinfection, the PH value of soil can be improved, the bio-organic fertilizer can not only increase the number of probiotics in the soil, but also increase various nutrient elements of the soil to improve the soil nutrient environment, promote the rooting and survival of the peach tree, remarkably improve the new root number and the growth of the tree body of the peach tree, and the K84 disinfection can prevent the root cancer disease.

4. The application also comprises a branch pruning tool, because the old peach tree is required to prune branches of the small peach tree, when the old peach tree is pruned to branches at a higher position, the extension handle can be pulled outwards, at the moment, the rack can drive the driving gear to rotate, and because the upper tooth-missing gear can only drive the driven gear to rotate a small angle each time, the driven gear can drive the upper worm wheel to rotate through the chain, the upper worm wheel further drives the rotary handle to rotate inwards, the problem that the distance between handles is too large when the extension handle is prolonged, and the handles are inconvenient to hold can be effectively prevented, and the rotary handle can rotate in a self-adaptive manner along with the extension of the extension handle, so that the delay length and the rotating angle are always adapted, the operation personnel can hold the branches, and the peach tree pruning work is facilitated.

5. The application also comprises the grab handles, when the extension handle is prolonged, the pull rope drives the rope collecting wheel to rotate, and then drives the lower worm wheel to rotate, so that the grab handles are prevented from rotating outwards, the grab handles are prevented from rotating outwards to drive the grab handles to incline, gaps between the two grab handles are always kept to be suitable for the situation when the grab handles rotate outwards, meanwhile, the two grab handles can be kept in a parallel state, the self-locking effect of the worm and gear mechanism is facilitated, the relative fixing work of the positions of the grab handles is realized, the grab handles can be attached to the palm of an operator, and the pruning efficiency of peach branches is effectively improved.

Drawings

The foregoing and/or additional aspects and advantages of the application will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a front view of the whole of the present application (excluding the gripping head portion);

FIG. 2 is an enlarged view of the portion A of FIG. 1;

FIG. 3 is an enlarged view of part B of FIG. 1;

fig. 4 is a schematic view of a portion of a clamp head according to the present application.

Reference numerals illustrate:

1, a scissors body; 2 left blade; 3 right blade; 4, rotating shaft; 5, rotating a handle; 6, extending a handle; 7, grab handles; 8, a worm is arranged on the upper part; 9, a worm is arranged below the lower part; 10, a worm wheel; 11 a driven sprocket; 12 guide rods; 13 reversing gears; 14 a chain; 15 racks; 16 pull ropes; 17 lower worm wheels; 18 a drive sprocket; 19 a driven gear; 20, a gear with a missing tooth; a 21 drive gear; 22 lower tooth-missing gears; 23, rope winding wheels; 24 clamping heads; 25 springs; 26 telescopic rods; 27 clamp the plate.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the application. All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality.

Example 1

The method aims at solving the problem of continuous cropping of peach trees, and has three main reasons of toxic substances and unbalanced soil nutrition of the root system of the previous-cropping peach tree, so that the mycorrhizas of newly planted saplings are greatly reduced, the number of the newly planted roots is reduced, the growth and absorption capacity are reduced, and the growth of the saplings is affected.

The embodiment provides a planting method capable of overcoming continuous cropping of peach trees, which comprises the following steps:

s1: after the old peach tree leaves, finding out the diagonal central point positions of four adjacent old peach trees (two left and two right) and digging a big hole with a square 1 meter at the central point positions;

s2: sterilizing soil by using quicklime, turning and mixing the excavated soil and the quicklime (0.5 kg/hole), uniformly mixing, and watering;

s3: applying bio-organic fertilizer, sterilizing the soil for 10-15 days, applying 40-50 kg/hole of bio-organic fertilizer in each hole, fully and uniformly mixing the bio-organic fertilizer and the sterilized soil, and backfilling the mixture into big holes;

s4: digging a 60cm multiplied by 60cm field planting hole at the center position of a big hole before the old peach tree sprouts in the last 3 months of spring of the next year, dipping the root of the small peach seedling with 1-2 times of biopesticide K84 or 1000 times of carbendazim solution for T time before field planting, and then carrying out field planting of the small peach seedling, wherein the T time is 20min;

s6: and in the third year, after the small peach tree grows up, the whole old peach tree is completely planed after leaves fall in autumn, and meanwhile, soil at the tree pit of the old peach tree is thrown and doped with quicklime (0.5 kg/hole) to sterilize the soil, then the tree pit of the old peach tree is sun-dried for one winter, and the tree pit of the old peach tree is leveled in spring.

To better verify the effect of the planting method for overcoming continuous cropping of peach trees described in this example, investigation and control experiments were performed on newcastle street Wang Fangcun.

1. Experiment design:

the investigation and comparison experiment is carried out on a new city street Wang Fangcun in 5 months 2022, the new city street Wang Fang village is a special village for planting peaches, and the continuous cropping of the peach garden is serious for many years due to limited land, so that the planting modes of the continuous cropping land are various. The experiment is carried out by taking the variety of the nectarine No. 1 in the future of three years as a sample.

Taking nectarine No. 1 in the future of three years in continuous cropping land for many years as an example, investigation and control experiments are carried out on different planting modes, a rotation planting mode is used as a control 1, a line-to-line soil replacement planting mode is used as a control 2, and a small peach tree is directly planted after the old peach tree is planed as a control 3 to carry out the control experiments, wherein the application is used as a treatment 1.

Data measurements were made at 5 months for the number of new roots, the amount of tree body growth, the number of gummosis occurrences, yield and fruit quality in the depth range of 20cm-40cm around the crown in the root and tree body growing season, 20 trees were measured for each treatment, and the average values for each set of data were recorded in table 1. The results of the experimental data are shown in table 1.

2. Experimental data:

table 1 comparative experiments on different planting modes of three-year-old peach tree continuous cropping land

Note that: the letter in the table is the result of the Duncan new complex polar difference analysis, the same letter indicates that the difference is not significant, and the significance level α=0.05.

3. Data analysis:

as can be seen from the table, the three-year-old fresh root quantity, the tree body growth quantity (dry week, dry height, average fresh shoot quantity), the yield, the fruit quality and the gummosis resistance of the planting method of the treatment 1 are not obviously different from those of the control 1 and the control 2, and the difference from the control 3 is obvious.

From the comprehensive factors such as economy, the comparison 1 delays a period of years because other crops are planted for a plurality of years and then new peach trees are planted, a certain market opportunity of the varieties to be planted is lost, and compared with the comparison 1, the comparison 1 has the advantages of short garden building time and quick updating; in contrast 2, because a large amount of fresh soil and more labor are needed for changing the soil, the method also has no economy after the soil becomes a precious resource, and the soil is not needed to be changed in the treatment 1, so that the resource and the labor are saved; the prior tree pits are required to be subjected to chemical sterilization and disinfection treatment such as formalin and the like before the new peach tree is planted in the control mode 3, so that the operation is troublesome, the harmless degree is not well controlled, and the defect of poor continuous cropping effect is overcome.

The quick lime, K84, bio-organic fertilizer, carbendazim and other materials adopted in the treatment 1 are easy to buy, the price is low, the operation is convenient, wherein the quick lime can sterilize and improve the pH value of soil, the bio-organic fertilizer can not only increase the number of probiotics in the soil, but also increase various nutrient elements of the soil to improve the nutrient environment of the soil, and the K84 sterilization can prevent root cancer diseases, so that the effect is good.

Therefore, the planting method adopted by the application has the effect of overcoming continuous cropping, which is almost the same as that of the control 1 and the control 2, but is economically superior to the control 1 and the control 2, and has simple operation and short improvement period. The application can be seen that the effect of overcoming continuous cropping is obviously better than that of the control 3, has no obvious difference with that of the control 1 and the control 2, and achieves the expected target. The old peach tree grows normally in the re-planting process, does not die, and is free from continuous cropping hazard, and the small peach tree grows up until the third year, so that the resistance is enhanced, and the continuous cropping hazard can be greatly reduced by planing the old peach tree.

Compared with the prior art, the application has the advantages of more labor and effort saving, simple operation, low improvement cost, no need of more land and soil, short garden building time, quick updating and regeneration speed, and capability of ensuring a part of economic benefits in the re-planting process, and the like by considering comprehensive factors such as economy and the like. Therefore, the application has more superiority, economical practicability and operability in overcoming continuous cropping, and effectively avoids the influence of continuous cropping.

Example two

Referring to fig. 1-4, other structures are the same as those of the first embodiment, except that in the present embodiment, in step S5, since the branches of the old peach tree that block the illumination of the small peach tree need to be removed, and the remaining branches remain, for the branches at the higher position, the existing pruning tool is inconvenient to prune.

The branch pruning tool comprises a scissors body 1 and an extension handle 6, wherein the upper end of the scissors body 1 is respectively connected with a left blade 2 and a right blade 3, the scissors body 1 comprises a left scissors body and a right scissors body, the left scissors body and the right scissors body are rotationally connected through a rotating shaft 4, and the left scissors body and the right scissors body are respectively connected with the left blade 2 and the right blade 3. The left blade 2 and the right blade 3 are both arc-shaped, and the shapes of the left blade 2 and the right blade can be matched with each other, so that the branches can be sheared conveniently, and simultaneously, the branches are prevented from moving during shearing, enough meshing force is provided, and the branches can be cut off conveniently.

The lower end of the scissors body 1 is rotationally connected with an upper worm wheel 10, the upper worm wheel 10 is fixedly connected with a rotary handle 5 with a cavity inside, and when the upper worm wheel 10 rotates, the rotary handle 5 can be driven to rotate. The upper end of the extension handle 6 is fixedly connected with a rack 15 and a guide rod 12, and the rack 15 and the guide rod 12 are both in sliding connection with the rotary handle 5. The guide rod 12 can be a square rod, a square groove is formed in the rotary handle 5, and the guide rod 12 is slidably arranged in the square groove.

The lower end of the rotary handle 5 is rotatably connected with a driving gear 21, the driving gear 21 is meshed with the rack 15, the driving gear 21 is coaxially connected with an upper gear lack 20, and the upper gear lack 20 is used for driving the upper worm wheel 10 to rotate. The driving gear 21 is disposed between the rack 15 and the guide rod 12, and when the extension handle 6 drives the rack 15 to move, the rack 15 can drive the driving gear 21 to rotate.

The lower end of the rotary handle 5 is rotatably connected with a driven gear 19, and the driven gear 19 is meshed with an upper tooth-missing gear 20; the driven gear 19 is coaxially connected with a driving sprocket 18, the upper end of the rotary handle 5 is rotatably connected with a driven sprocket 11, a chain 14 is hung on the driven sprocket 11 and the driving sprocket 18, the driven sprocket 11 is coaxially connected with an upper worm 8, and the upper worm 8 is meshed with the upper worm wheel 10.

Through the reasonable adjustment of the number of teeth of the upper missing tooth gear 20, the driven gear 19 can be driven to rotate by a very small angle only when the upper missing tooth gear 20 rotates for one circle, the driven gear 19 can only drive the upper worm 8 to rotate by a small angle through the transmission of the chain 14, and the relative fixing work of the position of the upper worm 10 can be realized after the upper worm 8 drives the upper worm wheel 10 to rotate by utilizing the self-locking property of the worm wheel and worm, so that the rotary handle 5 is prevented from rotating after the extension handle 6 is prolonged.

After the rack 15 moves longer length, only the upper worm wheel 10 is driven to rotate by a smaller angle, so that the self-adaptive rotation work of the rotary handle 5 is realized after the extension of the extension handle 6, the rotating angle is matched with the length of the extension handle 6, the extension handle 6 can always keep a better angle, the operation personnel can hold the handle conveniently, and the situation that the gap between the extension handles 6 is overlarge after extension is prevented.

The lower end of the extension handle 6 is rotatably connected with a lower worm wheel 17 and a lower worm 9, the lower worm wheel 17 is fixedly connected with a grab handle 7, the lower worm wheel 17 is meshed with the lower worm 9, and one end of the lower worm 9 penetrates out of the extension handle 6. When the lower worm wheel 17 rotates, the lower worm wheel 17 can drive the grab handle 7 to rotate, so that an operator can hold the grab handle 7 conveniently.

The lower end of the extension handle 6 is rotatably connected with a rope collecting wheel 23, the rope collecting wheel 23 is wound with a pull rope 16, and the upper end of the pull rope 16 penetrates out of the extension handle 6 and then is connected with the rotary handle 5; the rope collecting wheel 23 is coaxially connected with a lower gear lack 22, the lower worm 9 is coaxially connected with a reversing gear 13, and the lower gear lack 22 is meshed with the reversing gear 13.

Through the tooth quantity of the lower missing tooth gear 22 of reasonable adjustment for every turn of lower missing tooth gear 22 only can drive reversing gear 13 and rotate minimum angle, only can drive worm 9 down and rotate less angle, utilizes worm wheel and worm's self-locking nature, and after worm 9 drove worm wheel 17 down and rotate, can realize the relative fixed work in worm wheel 17 position down, prevent behind the twist grip 5 rotation, grab handle 7 rotates too much distance simultaneously.

The rotation direction of the rotary handle 5 is opposite to the rotation direction of the grip 7. The rotating handle 5 rotates inwards, the grab handles 7 rotate outwards, at the moment, the gaps between the two grab handles 7 are always kept for use, meanwhile, the two grab handles 7 can be kept in a parallel state, the self-locking effect of the worm and gear mechanism is facilitated, the relative fixing work of the positions of the grab handles 7 is realized, the grab handles 7 can be attached to the palm of an operator, and the pruning efficiency of peach branches is effectively improved.

The upper end of the scissors body 1 is respectively connected with two clamping heads 24 which are symmetrically arranged, the two clamping heads 24 are respectively connected with the left scissors body and the right scissors body. The clamping head 24 is fixedly connected with a telescopic rod 26, and the telescopic rod 26 is rotatably connected with a clamping plate 27; the telescopic rod 26 is sleeved with a spring 25, one end of the spring 25 is connected with the clamping head 24, and the other end of the spring 25 is connected with one end of the telescopic rod 26, which is close to the clamping plate 27.

When using, pressing scissors body 1, can making clamping plate 27 press from both sides the branch tightly, prevent in shearing in-process, the position of branch changes, and after shearing was accomplished in addition, accessible clamping plate 27 put down the branch after shearing, prevents that the branch free fall motion from producing unnecessary risk to operating personnel.

In step S5, the method for removing branches includes:

s11: according to the height of the branches, the extension handle 6 is pulled outwards, the rack 15 drives the driving gear 21 and the upper tooth-missing gear 20 to rotate, the upper tooth-missing gear 20 drives the driven gear 19 and the driving sprocket 18 to rotate, the driving sprocket 18 drives the driven sprocket 11 and the upper worm 8 to rotate through the chain 14, the upper worm 8 drives the upper worm wheel 10 to rotate, and the upper worm wheel 10 drives the rotary handle 5 to rotate inwards;

s12: as the extension handle 6 is pulled outwards, the rope 16 drives the rope collecting wheel 23 to rotate, the rope collecting wheel 23 drives the reversing gear 13 and the lower worm 9 to rotate through the lower tooth-missing gear 22, the lower worm 9 drives the lower worm wheel 17 to rotate, and the lower worm wheel 17 drives the grab handle 7 to rotate outwards, so that an operator can hold the grab handle 7 conveniently;

s13: pressing the grab handle 7, grab handle 7 drives scissors body 1 to rotate, and scissors body 1 drives clamping head 24 inwards to rotate, under the effect of clamping plate 27, realizes the clamp of branch, along with continuing to press grab handle 7, left blade 2 and right blade 3 mutually support, realize the shearing of branch, later drive the branch through clamping plate 27 and fall down.

It should be noted that, because the old peach tree is required to be pruned to shelter from the branches of the small peach tree, when pruning the branches in higher position, the extension handle 6 is pulled outwards to the accessible, rack 15 can drive driving gear 21 and rotate this moment, because the last tooth-missing gear 20 can only drive the driven gear 19 at every turn and rotate very little angle, driven gear 19 accessible chain 14 drives the rotation of last worm wheel 8, go up worm wheel 8 and then drive twist grip 5 and inwards rotate, when can prevent effectively that extension handle 6 from extending, the distance between grab handles 7 is too big, and there is inconvenient handheld problem, and along with extension handle 6's extension, twist grip 5 can self-adaptation rotation, thereby make delay length and rotatory angle looks adaptation all the time, do benefit to the operating personnel and hold, thereby carry out peach tree branch pruning work.

In addition, when the extension handle 6 is prolonged, the rope pulling belt 16 drives the rope collecting wheel 23 to rotate, and then the lower worm wheel 17 is driven to rotate through the lower tooth-missing gear 22, so that the grab handle 7 rotates outwards, and the rotary handle 5 is prevented from driving the grab handle 7 to incline, when the grab handle 7 rotates outwards, the gap between the two grab handles 7 is always kept to be suitable, meanwhile, the two grab handles 7 can be kept in a parallel state, the self-locking effect of a worm gear mechanism is facilitated, the relative fixing work of the position of the grab handles 7 is realized, the grab handles 7 can be compared with the palm of a laminating operator, and the pruning efficiency of peach branches is effectively improved.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A planting method capable of overcoming continuous cropping of peach trees is characterized by comprising the following steps:

s6: removing all main branches of the old peach tree in the third year, only keeping a central trunk, ensuring that the old peach tree is not dead, completely digging out all plant connecting roots of the old peach tree after leaves fall in autumn, throwing and turning over soil at a tree pit of the old peach tree with quicklime to disinfect the soil, airing for one winter, and leveling the tree pit of the old peach tree in spring;

the branch pruning tool comprises a scissors body (1) and an extension handle (6), wherein the upper end of the scissors body (1) is respectively connected with a left blade (2) and a right blade (3), the lower end of the scissors body (1) is rotationally connected with an upper worm wheel (10), and the upper worm wheel (10) is fixedly connected with a rotary handle (5) with a cavity inside; the upper end of the extension handle (6) is fixedly connected with a rack (15) and a guide rod (12), and the rack (15) and the guide rod (12) are both in sliding connection with the rotary handle (5); the lower end of the rotary handle (5) is rotationally connected with a driving gear (21), the driving gear (21) is meshed with the rack (15), the driving gear (21) is coaxially connected with an upper tooth-missing gear (20), and the upper tooth-missing gear (20) is used for driving the upper worm wheel (10) to rotate;

the lower end of the rotary handle (5) is rotationally connected with a driven gear (19), and the driven gear (19) is meshed with the upper tooth-missing gear (20); the driven gear (19) is coaxially connected with a driving sprocket (18), the upper end of the rotary handle (5) is rotatably connected with a driven sprocket (11), a chain (14) is hung on the driven sprocket (11) and the driving sprocket (18), the driven sprocket (11) is coaxially connected with an upper worm (8), and the upper worm (8) is meshed with the upper worm wheel (10);

the lower end of the extension handle (6) is rotationally connected with a lower worm wheel (17) and a lower worm (9), the lower worm wheel (17) is fixedly connected with a grab handle (7), the lower worm wheel (17) is meshed with the lower worm (9), and one end of the lower worm (9) penetrates out of the extension handle (6);

the lower end of the extension handle (6) is rotatably connected with a rope collecting wheel (23), the rope collecting wheel (23) is wound with a pull rope (16), and the upper end of the pull rope (16) penetrates out of the extension handle (6) and then is connected with the rotary handle (5); the rope receiving wheel (23) is coaxially connected with a lower tooth-missing gear (22), the lower worm (9) is coaxially connected with a reversing gear (13), and the lower tooth-missing gear (22) is meshed with the reversing gear (13);

the rotating direction of the rotating handle (5) is opposite to the rotating direction of the grab handle (7);

clamping heads (24) which are symmetrically arranged are respectively connected to the upper end of the scissor body (1), the clamping heads (24) are fixedly connected with telescopic rods (26), and the telescopic rods (26) are rotationally connected with clamping plates (27); the telescopic rod (26) is sleeved with a spring (25), one end of the spring (25) is connected with the clamping head (24), and the other end of the spring (25) is connected with one end, close to the clamping plate (27), of the telescopic rod (26).

2. The planting method capable of overcoming continuous cropping of peach tree according to claim 1, wherein in the step S5, the branch removing method comprises:

s11: according to the height of the branches, the extension handle (6) is pulled outwards, the rack (15) drives the driving gear (21) and the upper tooth-lacking gear (20) to rotate, the upper tooth-lacking gear (20) drives the driven gear (19) and the driving sprocket (18) to rotate, the driving sprocket (18) drives the driven sprocket (11) and the upper worm (8) to rotate through the chain (14), the upper worm (8) drives the upper worm wheel (10) to rotate, and the upper worm wheel (10) drives the rotary handle (5) to rotate inwards;

s12: along with the outward pulling of the extension handle (6), the rope pulling rope (16) drives the rope collecting wheel (23) to rotate, the rope collecting wheel (23) drives the reversing gear (13) and the lower worm (9) to rotate through the lower tooth-missing gear (22), the lower worm (9) drives the lower worm wheel (17) to rotate, and the lower worm wheel (17) drives the grab handle (7) to rotate outwards, so that an operator can hold the grab handle (7) conveniently;

s13: pressing grab handle (7), grab handle (7) drive scissors body (1) rotate, and scissors body (1) drive clamping head (24) inwards rotate, under the effect of clamping plate (27), realize the clamp of branch, along with continuing to press grab handle (7), left blade (2) and right blade (3) cooperate each other, realize the shearing of branch, later drive the branch through clamping plate (27) and fall down.