63 results about "Apple tree" patented technology

The invention discloses a pseudomonas synthetic flora and application thereof in prevention and treatment of apple continuous cropping obstacles, and belongs to the technical field of agricultural microorganisms. The synthetic flora is constructed from three strains of pseudomonas, i.e., alkylphenol pseudomonas, oleaginous pseudomonas and pseudomonas putida, and the biological preservation numbers of the three strains of pseudomonas are respectively as follows: alkylphenol pseudomonas S4, CGMCC (China General Microbiological Culture Collection Center) No.36078; the culture medium is characterized in that the culture medium is Pseudomonas oleovorans S38, and the culture medium is CGMCC (China General Microbiological Culture Collection Center) No.36079; pseudomonas putida S42, the preservation number of which is CGMCC (China General Microbiological Culture Collection Center) No.36080, is CGMCC No.36080. The synthetic flora has a relatively strong antagonistic effect on main pathogenic bacteria (fusarium oxysporum and fusarium solani) of apple continuous cropping obstacles, and the inhibition capability of the synthetic flora is remarkably superior to that of a single strain; field and pot experiment results show that the liquid bacterial fertilizer and the solid bacterial fertilizer of the synthetic flora can promote the growth of overground parts and underground parts of the continuous cropping apple trees; the number of harmful fungi in continuous cropping soil is obviously reduced; the root protecting enzyme activity is improved, and the MDA content is reduced; the rhizosphere micro-ecology of the continuous cropping apples is optimized, and the continuous cropping obstacles of the apples are remarkably relieved.

The invention relates to the technical field of artificial intelligence, and discloses an apple tree disease and insect pest recognition method based on image recognition, and the method comprises the steps: obtaining and preprocessing an apple tree image; accurately extracting a single leaf mask through a target leaf instance segmentation model; respectively extracting global context features and local scab features of the leaves by using a double-path parallel multi-scale network; a fusion feature vector is generated through a cross-level fusion module; the classification and discrimination module outputs disease and pest categories; and quantifying the severity level of the disease in combination with a leaf mask and a scab significance map. According to the invention, through background separation, multi-scale feature fusion and an attention mechanism, high-precision, automatic and qualitative and quantitative combined intelligent diagnosis of diseases and insect pests is realized.

The invention discloses a preparation method and application of double-doped biochar, and belongs to the technical field of biochar preparation, and the preparation method comprises the following steps: cleaning, drying and crushing apple branches to obtain branch powder with uniform particles; uniformly blending the branch powder, urea and potassium formate with deionized water, drying, and carrying out calcination reaction at 600-800 DEG C; cooling to room temperature, sequentially washing with diluted hydrochloric acid and deionized water until the pH is constant, and drying to obtain N-doped biochar; and uniformly blending the N-doped biochar and ammonium fluoride by using deionized water, drying, and carrying out calcination reaction at 400-600 DEG C to obtain the double-doped biochar. Compared with single N doping, the preparation method of the N and F double-doped biochar provided by the invention can more efficiently regulate and control pore development of the biochar, the step-by-step preparation method can accurately regulate and control the introduction effect of doped elements, the specific surface area of the prepared N and F double-doped biochar is greatly increased, and the preparation method is suitable for large-scale industrial production. And a sufficient structure bearing foundation is provided for the high-efficiency adsorption performance of the material.

The invention discloses an application of trichoderma harzianum in biological prevention and treatment of wild apple tree canker, the classification name of the trichoderma harzianum is Bacillus velezensis Rifai, the preservation unit is China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC NO. 42231, and the preservation time is September 29, 2025. Experimental results show that the trichoderma harzianum has remarkable antagonistic activity on parasitic cyst, apple cyst, nutshell cyst, cyst hormaechei, prunus cyst and pear cyst, is environment-friendly and pollution-free, and also provides a safe and reliable new way for preventing and treating the valsa mali of the wild apples; in addition, the research also finds that the fermentation product of the trichoderma harzianum has a certain biocontrol effect on the in-vitro branches infected by the physosporium piricola, so that the trichoderma harzianum and the fermentation product of the trichoderma harzianum provided by the invention can be used for preventing and treating the wild apple tree canker, and have good development and application prospects.

The invention discloses a (-)-menthol group-containing nicotinamide derivative with antifungal activity as well as a preparation method and application thereof, and relates to the technical field of synthesis of agricultural chemicals. The derivative has a structure as shown in a general formula (I), in the formula, n is an integer from 1 to 5, and R1, R2, R3 and R4 are specific substituent groups. Through a molecular hybridization strategy, the (-)-menthol, the N-fatty acyl piperazine bridge and the nicotinamide fragment are covalently linked, and a compound with a brand new structure is created. A biological activity test shows that the series of compounds have remarkable inhibitory activity on various plant pathogenic fungi, especially sclerotinia sclerotiorum and valsa mali of apple trees, and are low in cytotoxicity. Molecular docking research proves that the action target of the gene is succinate dehydrogenase (SDH). The invention provides a valuable leading structure for developing novel SDHI bactericides.

The utility model relates to fruit tree planting protection equipment technical field, a kind of wind-resistant lodging apple tree fixing device, including first arc block, two connecting blocks respectively fixedly connected in the two end portions of first arc block, T-shaped slot is opened in each connecting block side, slidingly set in the sliding block of each T-shaped slot inner wall, pad is fixedly connected in the lower end of sliding block, hinge seat is fixedly connected in the upper end of sliding block, rotating arm is hingedly connected in the inner wall of hinge seat two sides, second fixed block is rotatably installed in the two sides of rotating arm respectively, two second arc blocks are fixedly connected in the side wall of two second fixed blocks, rubber block is fixedly connected in the concave surface of second arc block, anchor unit is set on first arc block, elasticity component is set between sliding block and connecting block, locking mechanism for locking elasticity component is set on connecting block and the pushing mechanism is set in the outside of sliding block.The utility model has the advantages of being able to adapt to the growth of trunk thickening, avoiding damaging bark, anchoring stable, wind-resistant lodging effect good.

The utility model relates to the technical field of apple planting, and discloses an insect catching and trapping lamp for apple planting, the top surface of a base is fixedly provided with a fixed table, the top surface of the fixed table is fixedly provided with a stand column, the side surface of the stand column is provided with a sliding chute, the inner side of the sliding chute is movably provided with a sliding block, and the sliding block is movably provided with an insect catching groove; a fixing rod is fixedly installed on the front face of the sliding block, a connecting block is fixedly installed on the bottom face of the fixing rod, and a lampshade is fixedly installed on the bottom face of the connecting block. According to the insect catching and trapping lamp for apple planting, firstly, the base is buried in soil, the fixing table is flush with the ground, the insect trapping lamp can stand on the bottom face more stably, the position of a sliding block is adjusted according to the height of an apple tree, and after the sliding block is adjusted to the proper position, the sliding block is fixed through a bolt; the sliding block can be fixed at a proper position by the bolt through the fixing hole, the trap lamp can be connected with an electric wire, and insects can be trapped at night.

This invention discloses an oxyindene compound containing substituted pyridine and its application as a fungicide. The oxyindene compound containing substituted pyridine has broad-spectrum fungicidal activity, especially effective in controlling rice sheath blight, apple tree rot, rapeseed sclerotinia stem rot, wheat scab, pepper blight, cucumber anthracnose, tomato gray mold, corn curvature blight, rice blast, tomato early blight, wheat take-all, and wheat stem rot. It can be used as a fungicide for the prevention and control of the above-mentioned plant diseases.

The invention belongs to the technical field of agricultural equipment, and particularly relates to an apple tree early spring frost prevention device which comprises a lime water containing box, a lifting mechanism is fixed to the left side of the lime water containing box, an adjusting mechanism is arranged in the lifting mechanism, and symmetrical annular plates are fixed to the left end of the adjusting mechanism; annular pipes are fixed to the interiors of the two annular plates correspondingly, and connecting hoses are fixed to the lower sides of the two annular pipes correspondingly. According to the device, original manual whitewash brushing is effectively replaced, the two annular plates are arranged outside the main branches of the fruit trees, then the two annular plates are driven to be closed through the adjusting mechanism, the whitewash is sprayed out through the annular pipes and the spray heads through the pump body, the whitewash is attached to the surfaces of the trunks of the fruit trees, and therefore the cold-proof effect is achieved; the speed is higher, and waste of lime water is not prone to being caused.

The utility model provides a one-way precise pollen feeding device for apple bee supplementary pollination, which relates to the technical field of apple bee supplementary pollination and comprises a beehive, and a pollination mechanism is arranged on the left side of the beehive; the pollination mechanism comprises a fixing frame, the fixing frame is arranged on the left side of the beehive, a bee inlet channel and a bee outlet channel are formed in the fixing frame, the left side face of the bee outlet channel fixedly communicates with a one-way bee outlet frame, a pollen feeding barrel is fixedly connected to the bottom face of the fixing frame, and a rotating rod is rotationally connected into the pollen feeding barrel. The outer surface of the rotating rod is fixedly connected with a spiral frame, and the outer surface of the spiral frame makes contact with the inner wall of the powder feeding barrel. According to the one-way precise pollen feeding device for apple bee supplementary pollination, the honey collecting characteristic of bees is matched with pushing and placing of pollen, apple trees do not need to be pollinated manually by workers, the labor intensity of apple tree pollination work is reduced, meanwhile, pollen waste is reduced, and the apple tree pollination efficiency and pollination accuracy are effectively improved.

The invention relates to an efficient water and fertilizer utilization method for a low-latitude plateau mountain apple orchard, and the method comprises the following steps: S1, preparing autumn agricultural waste bundles; s2, digging furrows / holes: digging planting furrows or fertilization holes in the inner area of the projection of the apple tree crown; s3, landfill treatment: putting the soaked straw bundles into the ditches / holes, spreading a controlled-release fertilizer containing a macromolecular water-retaining agent, covering soil, and reserving a concave space after covering the soil; s4, water and fertilizer management: pouring a water and fertilizer mixed solution into the ditches / holes before sprouting in spring of the next year, and pouring a compound fertilizer aqueous solution for multiple times after flowering; the ditches / holes are alternately changed in the new direction of the tree body every 2-3 years, and the operation is repeated. The method conforms to the rhythm of'drought in winter and spring and centralized rainwater in summer and autumn 'of the low-latitude plateau, water and fertilizer are utilized in different seasons through'storage in summer and autumn and use in winter and supplement in spring', and the problem of engineering water shortage is solved.

The utility model discloses an apple planting pollination pole. Advantageous effects lie in: when the utility model is in use, after the pollen on one pollination ball is used up, the pollen tank can be retracted into the connecting sleeve under the action of the electric push rod in the powder adding mechanism, and at the same time, the 180-degree turning of the used pollination ball is realized under the action of the motor and T-shaped shaft in the turning mechanism, at this time, the pollination ball full of pollen is located on the upper side of the connecting frame, and the used pollination ball is located on the upper side of the pollen tank, then only need to move the pollen tank up to contact the used pollination ball under the action of the electric push rod, the pollination of apple tree flowers can be realized by the pollination ball adjusted on the upper side of the connecting frame, and the pollen on the used pollination ball is dipped in the process of contacting the pollen in the pollen tank, since the replacement of the pollination ball and the dipping process of the pollen are both automatic, the artificial labor intensity is reduced, and the pollination efficiency of apple tree flowers is improved.

The invention discloses a preparation method and application of novel biomass carbon dots. The preparation method comprises the following steps: S1, adding apple branch powder into water, and uniformly mixing to obtain a mixed solution; and S2, putting the mixed solution obtained in S1 into a microwave oven for microwave treatment to obtain a reactant. S3, taking out reactants, cooling the reactants to room temperature, and adding water for centrifugal filtration treatment. And S4, collecting a supernatant obtained by treatment in S3, and purifying the supernatant. And S5, drying the purified product obtained in S4 to obtain the biomass carbon dots, and storing the prepared biomass carbon dots in an environment with a constant temperature of 4 DEG C for later use. Apple branches are used as precursors, the biomass carbon dots are synthesized through a microwave method, biocompatibility is good, toxicity is low, high-selectivity and high-sensitivity detection of Cr < 6 + > and riboflavin can be achieved, the synthesis process is economical, environmentally friendly, rapid, simple and convenient, and a new scheme is provided for the environment-friendly detection technology.

A new apple tree particularly distinguished by fruit having a dark red color with a predominantly conical shape that fruit ripens 7 to 10 days later than the commercial variety ‘Honeycrisp’, is disclosed.

To solve the problem that it takes labor and time and it is difficult to cover a wide range by a conventional method though it is important to rapidly and accurately grasp the health state and growth state of each tree in the high-density planting cultivation of apples. In addition, since the number of agricultural workers is decreasing due to decreasing population, it is required to perform agricultural work efficiently in order to maintain the production amount.SOLUTION: The present invention provides a new tree power determination method using a drone and an image analysis technique. The drone automatically flies using the GPS and captures a high-resolution aerial photograph from above the tree crown of the apple. The captured aerial photograph is analyzed by an image analysis system, and the color and shape of the tree crown and the density of leaves are evaluated to determine the tree vigor. The analysis result is visually displayed so that the farmer can easily understand it, and based on this, it is possible to appropriately adjust the management of the fertilizer application and the fruit-bearing amount.

The utility model relates to the technical field of fruit tree planting, and discloses a hail prevention and rain sheltering device convenient to build for apple planting, which comprises a top frame, a clamping groove is arranged on the inner side of the top frame, a fixing strip and a storage strip are respectively mounted on the inner side of the clamping groove in a clamping manner, and a rain sheltering cloth body is arranged between the fixing strip and the storage strip. The top frame, the corresponding adjusting legs and the corresponding supporting legs are placed on the two sides of an apple tree, then the fixing strips and the containing strips are clamped with the clamping grooves respectively, at the moment, the reinforcing frame moves downwards under the action of the fastening springs, and the rubber anti-skid pad on the top side of the rain sheltering cloth body is extruded and fixed through the pressing plate; therefore, falling in the using process is avoided, the rain sheltering cloth body is convenient to disassemble and assemble for storage, then after another set of top frames are assembled through the same method, the adjacent baffles and the clamping plates are clamped, then bolts are used for fixing, combined building is facilitated, installation is convenient and fast, and the overall stability is high.

The present application belongs to the field of agricultural technology, and particularly relates to a method for cultivating a stable and high-yield apple tree shape. The method can guarantee balanced growth of branches by 1-2 times of continuous pinching and supporting of branches in different spatial levels, promote formation of flower buds and short branches at the pinched branches, and then achieve the effect of fruiting and balancing tree vigor through fruit setting, so as to finally obtain a stable and high-yield tree shape structure. Therefore, the method provided by the present application eliminates time-consuming and labor-consuming steps such as traditional branch pulling, ring peeling and bud notching, greatly saves labor, is convenient for light and simple cultivation, and can be widely applied.

The utility model discloses an apple planting and fertilizing device capable of accurately controlling the fertilizing distance, which comprises a frame and a storage barrel fixed by a rod piece, a quantitative feeding assembly is arranged below the storage barrel, a measuring rod for controlling the fertilizing distance is mounted at the left end of the frame, a handle is fixed at the right end of the upper surface of the frame, and the handle is fixed at the right end of the upper surface of the frame. Moving rollers are mounted at the bottom end of the frame, and a controller is arranged on the left side of the handle; and a bulldozing assembly is mounted below the frame. The apple tree fertilizing device at least has the following beneficial effects that the distance between a fertilizing pit and a vertical rod of an apple tree can be measured through the measuring rod, the fertilizing pit can be conveniently dug in the side of the apple tree at a fixed distance, and the purpose of accurately controlling the fertilizing distance is achieved; the extension length of the measuring rod is adjusted in the frame, so that the fertilization distance is convenient to adjust.

The application discloses an apple picking robot intelligent path planning system and method based on deep learning, relates to the field of robot path planning, and comprises the following steps: acquiring the channel distance between two adjacent hedges, the length of each hedge and the number of hedges in a picking area; picking apples on both sides of an apple tree by using a complementary apple picking mode; acquiring a dynamic delay coefficient prediction value of single-frame area apple picking of both sides of a picking robot; acquiring an adaptability function of dynamic picking of both sides of the picking robot; determining an implementation principle of dynamic picking path planning of the picking robot; establishing an intelligent path planning model, acquiring an optimal path planning of the apple picking robot; and establishing a man-machine interaction platform, storing, displaying and warning monitoring data of the apple picking robot in a picking process. The application effectively improves the picking efficiency of the apple picking robot and reduces the influence of light, and greatly increases the flexibility of the picking robot.

This utility model relates to the technical field of apple tree seedling straightening devices, and discloses a straightening device for apple tree seedling cultivation, including a clamping seat and a first connecting seat. The top of the clamping seat is fixedly connected to the first connecting seat, and a movable seat is provided on the outside of the first connecting seat. A second connecting block is fixedly connected to the outside of the movable seat, a fixed block is provided on the top of the movable seat, a support rod is provided on the bottom of the fixed block, and third connecting blocks are fixedly connected to both sides of the support rod. This straightening device for apple tree seedling cultivation, by configuring a first connecting seat, a movable seat, a sliding groove, and a slider, allows the slider to be engaged with the sliding groove according to the number of branches, enabling the movable seat to slide outside the first connecting seat, thus facilitating flexible adjustment of its position. This makes straightening branches more flexible and convenient, solving the problem of inconvenient adjustment of the straightening position based on the branch position.

The application discloses an apple tree planting method for improving fruit quality, and belongs to the field of apple tree planting. The apple tree planting method for improving fruit quality comprises the following steps: hole digging, bottom fertilizer application, apple tree seedling transplanting, and then cultivation is carried out when the relative humidity of the root soil is 50-85%; after the apple tree seedling grows to a tree age of more than or equal to 3 years, water control treatment is carried out; the water control treatment comprises the following steps: after the flower bud of the apple tree is observed to appear in a physiological differentiation period, the relative humidity of the root soil is limited to 45-55%, and carbon fertilizer is applied; after the apple tree enters a fruit setting period, the relative humidity of the root soil is limited to 50-85%. The planting method can greatly improve the yield and quality of fruits, has high fertilizer utilization rate, does not have negative effects on the apple tree, and is favorable for prolonging the fruiting period of the fruit tree.

The invention relates to the technical field of agricultural cultivation, in particular to a fertilizing method for fruit tree planting and application of the fertilizing method. The fertilizing method comprises the steps that coated slow-release potash fertilizer is applied to apple trees, the application amount of the coated slow-release potash fertilizer is 0.30-0.90 kg / plant, and the content of potassium oxide in the coated slow-release potash fertilizer is 20%-30%; wherein the coated slow-release potash fertilizer is applied by stages, 50% of the coated slow-release potash fertilizer is applied as a base fertilizer in the flowering and fruit setting periods of the apple trees, and the rest 50% of the coated slow-release potash fertilizer is applied in the fruit expanding period. The utilization rate of the fertilizer can be increased, and the yield and quality of apples can be improved.

The utility model discloses an apple tree protection device capable of preventing insect pests, which belongs to the technical field of apple tree protection and comprises a supporting plate, an insect prevention mechanism is arranged above the supporting plate, and a displacement mechanism is arranged below the supporting plate. The insect prevention mechanism attracts insects through a black light lamp, an automatic insect killing structure composed of a liquid medicine box, a liquid pump body, a water spraying head and the like is combined, coherent operation of insect trapping and insect killing is achieved, the black light lamp can effectively attract the insects in the daytime and at night, the insect prevention time coverage range is expanded, the problem that traditional insect prevention mucilage glue is poor in effect at night is solved, and meanwhile the insect prevention effect is improved. According to the apple tree pest control device, pest control liquid medicine in the liquid medicine box is accurately sprayed to a pest gathering area through the liquid pump body, the situation that pesticide makes direct contact with apple trees is avoided, then through the synergistic effect of the displacement mechanism, the device can conduct efficient and comprehensive pest control and killing operation on one area, and the overall effect of apple tree protection is remarkably improved.

The application relates to the field of fruit tree cultivation technology, and particularly relates to application of glycine in resisting low-temperature stress of apple trees, and the resistance of the apple trees to the low-temperature stress is improved by applying a glycine aqueous solution to the apple tree seedlings. The application improves the biomass of the apple trees under the low-temperature stress, improves the photosynthetic pigment content of the apple tree leaves under the low-temperature stress, promotes the growth and development of the root system of the apple tree seedlings under the low-temperature stress, enhances the enzyme activity related to nitrogen metabolism, and improves the expression of the genes related to nitrogen absorption and assimilation, so that the resistance of the apple trees to the low-temperature stress is improved.

The utility model discloses an apple tree canker scaling device, and relates to the technical field of apple tree treatment.The apple tree canker scaling device comprises a clamping assembly, a scaling assembly, a medicine applying assembly and a lifting assembly, the scaling assembly is arranged on the side, away from an apple tree, of the clamping assembly, and the medicine applying assembly is arranged on the side, away from the apple tree, of the clamping assembly; the scraping device is used for scraping rotten parts of the apple trees; the medicine applying assembly is arranged on the side, away from the apple tree, of the clamping assembly and located on one side of the scraping assembly, and the scraping assembly and the medicine applying assembly are arranged on the lifting assembly in a spaced mode; according to the technical scheme, rotten parts of fruit trees are cut and scraped through the scraping treatment assembly, the labor intensity of workers is greatly relieved, the working efficiency is improved, meanwhile, medicine is smeared to the scraping surface of a tree trunk in a rolling mode through the medicine smearing assembly so as to prevent pathogen transmission, and therefore the purpose of treatment is achieved, and the labor intensity of workers is reduced. Fruit tree polishing and pesticide applying are sequentially carried out, convenience and rapidness are achieved, and operation is easy.

This invention belongs to the field of genetic engineering technology and relates to a pathogenic gene of *V. mali*, the causal agent of apple tree rot, and its application and dsRNA. This invention discloses the pathogenic gene VmNRPS25 of *V. mali*, whose CDS region sequence is shown in SEQ ID NO: 1. Inhibiting the expression of the pathogenic gene VmNRPS25 in *V. mali* reduces the biomass of *V. mali* in the host plant and weakens the virulence of *V. mali*. This invention further constructs a dsRNA around the pathogenic gene VmNRPS25 of *V. mali*, which induces silencing of the pathogenic gene VmNRPS25 in *V. mali* through exogenous spraying, and can be used for the prevention and control of *V. mali* and its pathogenic plant diseases in host plants.

1. The name of the design product: seed packaging box (apple tree). 2. The use of the design product: for apple seed packaging. 3. The design points of the design product: the combination of shape, pattern and color. 4. The picture or photo that best indicates the design points: perspective view. 5. The design claimed contains color.

This invention belongs to the field of agricultural machinery technology, specifically relating to an apple planting fertilization device, including a fertilizer storage chamber, a traction unit, and a fertilizer applicator. The fertilizer storage chamber and the fertilizer applicator are installed on the traction unit and are connected. A through groove is provided on the side of the fertilizer storage chamber connected to the fertilizer applicator. The fertilizer applicator includes a guide belt, a main frame, and a protective plate. The guide belt is installed inside the main frame, and the protective plate is located on the rear side of the main frame. The traction unit includes a mounting frame, a traction frame, and a moving part. The traction frame is installed at the front of the mounting frame, and the moving part is located at the bottom of the mounting frame and is connected to the guide belt. The advantage of this invention is that by using a distance sensing mechanism and a magnetic sensing unit, the change in planting spacing can be measured in advance to adjust the amount of fertilizer, achieving precise fertilization, which not only improves the utilization rate of fertilizer but also ensures that the apple trees receive sufficient nutrients.

1. Name of the product in this design: Pull-cord table lamp (apple tree shape). 2. Purpose of this design: for nighttime lighting. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model relates to the technical field of apple tree planting, in particular to an apple sapling disease and pest prevention protective net cover which comprises a supporting bottom frame. The device comprises a supporting bottom frame and further comprises a sliding sleeve plate, an arch-shaped metal frame and soft bristles, five arch-shaped supporting frames are fixedly connected to the upper end of the supporting bottom frame at equal intervals, insect-proof nets are fixedly connected to the outer sides of the five arch-shaped supporting frames through twisted wires, and fixing plates are fixedly connected to the top ends of the inner sides of the two arch-shaped supporting frames located on the foremost side and the rearmost side; the motor is started to drive the threaded rod to rotate, the sliding sleeve plate is driven to move back and forth, the arch-shaped metal frame drives the soft bristles to sweep and clean insect pest corpses accumulated on the surface of the insect-proof net, the cleaning difficulty and labor intensity of planters are lowered, blocked meshes of the insect-proof net can be dredged conveniently, and the planting efficiency is improved. The mesh holes recover good ventilation capability and good irradiation penetrating capability of light rays, so that a good environment for growth and development of the apple saplings is improved, and the method is suitable for growth of the saplings.