46results about How to "Simple trim" patented technology

The invention discloses a high slender spindle-shaped apple tree form and a trimming method thereof. As a whole, the tree form is of high slender spindle shape. After an apple tree is formed, the crown diameter of the apple tree is small, slender and high. The apple tree is 3.5-4.0m high and the trunk of the apple tree is 0.8-0.9m high. Thirty to fifty spirally arranged small boughs are grown on the central leading trunk of the apple tree. The average length of the small boughs is 1m. The average angle between the central trunk and the small bough is 115 degrees. The top-to-bottom spacing among the small boughs on the same side is 0.25m. The trimming method of the high slender spindle-shaped tree form is simple. Other boughs require no decapitation but branch drawing except that the central trunk requires short-cutting in winters in 1-2 years. Thereby, the trimming method can be popularized in tree forms of simplified trimming and low labor strength.

The invention provides a pruning manner for cabernet gernischt grape variety. According to the invention, a horizontal double-tendril pruning manner is mainly adopted; the grape variety is directly divided into two main vines to be used as permanent vines; the two main vines are horizontally bound on two first-layer lead wires of a double-fence frame in the same direction; and new tips are evenly distributed on two frame surfaces so as to form a double-arm frame. The manner provided by the invention is simple in pruning, easy to realize bud eye quantity control, consistent in berry maturing, even in branch distribution at the same time, convenient to realize cluster management due to clear distribution of a ventilation zone, a fruiting zone and a photosynthetic zone, stable in output and good in quality.

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.

The invention discloses a grape cultivation method and a special rack for the cultivation method. The cultivation method is characterized in that grape branches are cultivated to an M-shaped growth trend. The special rack for the grape cultivation method comprises an upright; a first pulling rope for binding a main vine is arranged at a part, 1.4-1.6m from the ground, of the upright; second pulling ropes for binding new shoots sprouting from the main vine are arranged on the two sides of the first pulling rope on the upright respectively; a third pulling rope for breaking a side shoot and allowing the branches to grow in a falling manner is arranged on one side of each second pulling rope on the upright; a distance between each second pulling rope and the ground is greater than that between the first pulling rope and the ground; and a distance between each third pulling rope and the ground is not less than that between each second pulling rope and the ground. According to the grape cultivation method and the special rack for the cultivation method, after the new shoots grow horizontally and the branches are broken, front ends grow in a falling manner, so that apical dominance of grapes is inhibited, and the quality of the grapes is improved; light rays directly illuminate leaves, and the branches and the shoots are not crossed mutually, so that a photosynthesis effect is improved; and bearing branches are fixed on the pulling ropes according to the distances, and fruit clusters are not abraded mutually, so that the production quality of the grapes is uniform.

The invention discloses a method for culturing a potted Gala apple tree. The method concretely comprises the steps of: selecting a field; selecting a seedling; fixedly planting; managing soil fertilizer water; and trimming. In spring, the selected high-quality and strong tree is temporarily planted into the selected field and used as a seed tree for being planted into a pot in future; the growth of the tree is controlled in the temporary planting period, and the management of fertilizer water and the control work of diseases and pests are reinforced; the tree height is 1m, the trunk thickness is 3-5cm, after a flower bud is formed, the pot planting condition is achieved; the seed tree is dug out, a mud pot is selected, pot soil to be filled into the pot is prepared, and a fruit tree root is trimmed to be planted into the pot; after the tree is planted into the pot, people pay attention to the works of watering, fertilizer water nutrition and disease and pest control, and the tree is sprayed with a plant growth regulating agent at fixed period, reshaped and trimmed; and after growing, blooming and fructifying in the pot, the fruit tree can be sold in the market. In the method of the invention, a field fruit tree is dwarfed, and then planted into a small flowerpot, which can beautify a courtyard and decorate a room, has the characteristics of less space occupation, convenient transportation, wide use range, and the like, has the ornamental performance of pot culture and edible value and can be used as a movable orchard for picking.

The invention discloses a method for cultivating bonsai Fuji apple trees, which specifically comprises the steps of: selecting a field, choosing seedlings, planting, managing soil, fertilizer and water and pruning; in spring, heeling in the selected high-quality robust seedlings into the selected field, and controlling the growth of the seedlings, and strengthening the management of fertilizer and water and the prevention and treatment work of pests and diseases during the heeling period; after flower buds are formed to reach the condition of planting on basins, and selecting the tree seedlings with robust plants, plump eyes and no diseases or inset pests to be planted on the basins in early-middle March; cutting out necrosis roots when planting, placing a small amount of nourishment soils into the bottom of the basins, putting in the seedlings, uniformly manipulating root systems, burying soils and compacting, and timely watering; paying attention to pruning after the seedlings are planted into the basins and pulling branches and opening angles during pruning to ensure that the trees are ventilated and transmitted, thus benefitting the formation of flower buds; and selling the apple trees growing in the basins after blossom and yield fruit. In the method of the invention, garden fruit trees are dwarfed to be planted into small flowerpots, which can beautify gardens and decorate bedrooms. The invention has the advantages of little space occupation, convenient transportation, wide application range, and the like. The invention not only has the ornamental property of potted plants, but also has edible value by being used as a mobile garden to be harvested.

The invention discloses a walnut big container-growing seedling breeding method. The method is high in planting survival rate; during cultivation, the root system of the nursery stock always grows in a container; during the seedling lifting and planting process, the root system and the root system roll are not destroyed, the seedling continuously grows, there is no rejuvenation period, the seedling can be planted in four seasons, and the survival rate reaches 100%. Early-stage nutrition growth is completed in the container, fruiting is started, and the seedling directly enters into the initial fruit period after the seedlings are planted. Labor-saving cultivation is facilitated, the young tree shaping has been completed, the tree shape framework is unified, the young tree period management is saved, tree body pruning in the fruiting period is simplified, and meanwhile the mechanical management is facilitated; big container-growing seedlings are uniform in specification, the orchard uniformity is high and standardization management is facilitated. Firstly, fruits are seen and then the trees are planted, the quality of the variety can be identified in advance, the inferior variety is removed, the problem of fine-variety mixing is solved, and the realization of the 'one-orchard one-product' is facilitated, the commodity rate and the economic benefit are improved, transportation and cultivation are facilitated, and the method has the popularization and application values.

The invention relates to a trimming device, specifically to a garden landscape tree trimming device. The invention is to solve the technical problem of providing the garden landscape tree trimming device which is easy to trim a landscape tree into a perfect circle and can reduce the labor amount of people. According to a technical scheme of the invention, the garden landscape tree trimming devicecomprises a u-shaped base, a slider, a u-shaped base plate, supporting plates, first bearing seats, first rotating shafts, an arc-shaped pipe, fixed teeth, an arc-shaped rod, movable teeth, a connecting plate, etc., wherein the top part of the u-shaped base is provided with an arc-shaped chute; the slider is slidably arranged in the arc-shaped chute; the top part of the slider is connected with the u-shaped base plate; and the left and right sides of the top part of the u-shaped base plate are respectively connected with a supporting plate. According to the invention, alternate positive and negative rotation of the supporting plates can drive the movable teeth and the fixed teeth to realize alternate positive and negative rotation for trimming of the whole landscape tree; thus, through repeating of the above-mentioned operations, a plurality of landscape trees can be trimmed, so the labor amount of people is reduced.

A kiwi fruit balanced tree vigor cultivation method comprises the following steps that A, a flat canopy frame is adopted, a latticed frame face is formed on the top of the flat canopy frame, and female kiwi fruit seedlings are planted in rows from early and middle ten days of December to early and middle ten days of February of the next year; B, branches and tendrils of kiwi fruit trees are led upwards in the first year after the kiwi fruit seedlings are planted, the faces, on the frame, of main tendrils are cultivated, and the kiwi fruit trees of adjacent two rows are combined to form a rectangular annular combined body through grafting; C, in the second year after the kiwi fruit seedlings are planted, after the main tendrils of the kiwi fruit trees which are successfully grafted in the last year sprout, longitudinal tendril tying is carried out on the frame face to form bearing basal shoots; D, the kiwi fruit trees start to fruit in the third year, new bearing basal shoots are selected and reserved to carry out tendril tying, the adjacent bearing basal shoots are led to the opposite directions, and pruning is carried out in winter so that the kiwi fruit trees can fruit normally in the fourth year. According to the method, the main tendrils of adjacent two rows of kiwi fruit trees form a rectangular annular shape in a surrounding mode on the frame face, the combined body is formed, all the kiwi fruit trees in the combined body share fertilizer and water, and the growth vigor is balanced.

The invention discloses a method for cultivating a potted cover persimmon tree. The method comprises the following steps of: taking a dateplum persimmon as a rootstock and the cover persimmons as scions, grafting, growing a seedling and heeling in a field; transplanting the cover persimmon tree into a pot when the stem of the cover persimmon tree is 3cm, preparing potted soil and pruning the root system of the tree, wherein a clay pot is preferred in the potting process; watering in time, pruning the potted tree, and strengthening the work of fertilizer water management and disease and insect control in a later period; and pruning in summer to promote flower bud differentiation, and selling on a market after the cover persimmon tree blossoms and fruits in the coming year. In the method, fruit trees in the field are dwarfed and potted into small flowerpots for cultivation, and the potted trees can beautify yards and decorate rooms and are characterized by taking up a little space, being convenient to transport, having wide application ranges and the like. The potted cover persimmon tree has the ornamental property of potted plants, can be used as a mobile orchard for picking persimmons and also has edible value.

The invention relates to the technical field of grape cultivation, in particular to a single-layer double-arm factory-shaped grape shaping method. The method is suitable for soil-burying cold protection and mechanical operation, and a planting method simple and easy to operate, high in mechanization degree and capable of achieving high yield is provided for the development of grape and wine industries. According to the technical scheme adopted by the invention, the method comprises the steps of pruning of branch arm main vines, a trellis surface and short shoots, wherein two branch arm main vines are adopted; the height of the trellis surface is 1.40 meters, and the width of the trellis surface is 1 meter; the short shoots are pruned to retain 2-3 buds for pruning in winter.

The invention provides a kiwi fruit vegetative shoot umbrella suspension guiding method. The method comprises the following steps of arranging a 6-8 m galvanized steel pipe on the side edge of the stand columns of the adjacent rows, at a top end, using a plastic wire and pulling obliquely next to main vine branches which need to be cultivated on the two adjacent rows, guiding vegetative shoots which need to be cultivated to climb upwardly, and cultivating into the fruiting mother branch of the next year; because of the effects of positions and angles, realizing a condition that suspension guiding branches are uniformly grown upwardly; achieving a condition that new branches are not grown from the bases of the vegetative shoots, converting buds above a main branch and the buds under the main branch into a middle buds with s same growth potential; during winter pruning, leaving the 10 to 15 cm length of the fruiting mother branch in a greenhouse and cutting off, and selecting the vegetative shoot from a base bud in the next year and taking as the fruiting mother branch of the third year; and placing the vegetative shoot suspended on a plastic line on the greenhouse, fixing evenly onthe greenhouse and taking as the fruiting mother branch of the next year, and alternately achieving fruiting year by year. After suspension guiding, the high position and illumination advantages of the vegetative shoots make the vegetative shoots grow healthily and do not grow excessively, and the growth of the fruiting branch is not affected.

The invention discloses a method for culturing potted fruit tree crabapple, comprising the following concrete steps of farmland selecting, seedling selecting, field planting, soil, fertilizer and water managing and pruning. In April of spring, seedlings are temporarily planted in a selected farmland to serve as parent trees planted in pots in the future; the soil, fertilizer and water management and the pest control are strengthened during the temporary planting period; the trees are pruned and then are planted in the pots until the trunks are 3-5cm thick, and mud pots are preferable when the trees are planted in the pots; the trees are watered after being planted into the pots in time and the potted trees are pruned, and the fertilizer and water management work and the pest control work are strengthened in the later period; the potted trees are pruned in summer to promote flower buds to differentiate; and the potted trees can be sold in the market after blooming and fruiting in the coming year. In the method, garden fruit trees are stunted and then are cultivated in small-sized flowerpots, which can beautify yards and decorating rooms. The fruit trees have the characteristics of small occupied space, wide application range and the like and are convenient to transport. The potted fruit tree crabapple not only has the appreciation of potted plants, but also can be used as a mobile orchard to be picked and has edible value.

The invention discloses a manufacture method of pyramidalis gardening quadripod, and belongs to the technical field of farm garden. The method comprises the steps of preparing a seedling bed, preparing shoot for cuttings, cutting, carrying out post-cutting management, selecting seedlings, planting for the first time, planting for the second time, planting for the third time, carrying out planting cultivation, designing a process size of the gardening quadripod, selecting a tree according to the quadripod, transplanting the tree, carrying out the post-planting management, facilitating growth of the tree, binding the tree by utilizing iron wires and a reinforcement net according to a designed pattern of each part, shaping and reinforcing four sides of the quadripod body, and carrying out the growth maintenance to obtain the pyramidalis gardening quadripod. By adopting the production method, the survival rate of the seedling is high, and the produced gardening quadripod is good in shape, is not deformed in the transplanting process, easy to maintain after the tree is transplanted and capable of facilitating the long-term growth of the tree.

The invention relates to a grape pruning device. The grape pruning device comprises a main rod, the left end of the main rod is connected with an arc blade, a movable block is horizontally installed on the main rod in a sliding mode and fixedly provided with a motor, an output shaft of the motor is fixedly provided with a saw disk fitted with the main rod, the right end of the movable block is hinged to a connecting rod arranged in the direction of inclining to the upper right portion, the top of the connecting rod is hinged to a swinging rod, the middle of the swinging rod is hinged to the main rod, the left side of the swinging rod is provided with a spring, one end of the spring is connected to the swinging rod, the other end of the spring is connected to the main rod, and the lower left end surface of the main rod is fixedly provided with a small flexible rule; the right end portions of the main rod and the swinging rod are both connected with non-slip sleeves. The grape pruning device is high in adaptability, quick pruning of branches different in thickness can be achieved, the pruning process is simple and does not consume labor, the pruned branches can be measured in real time according to requirements, and the problem is solved that since workers lack experience, the pruning size is difficult for them to control; the operation process is simple, the working efficiency is improved, the pruning time is saved, and overall grape pruning is facilitated.

An cable connector assembly (500) for high-speed transmission includes a first electrical connector (1) defining a first mating port, a second electrical connector (2) defining a second mating port different from the first mating port (100), cable means (3) electrically connected to the first electrical connector (1) and the second electrical connector (2), and a plurality of wire spacers (5) used for fixing the wires of cable means (3) so as to trim and solder them easily.

The invention relates to the technical field of grape planting, in particular to a wineglass type grape landscape planting support and a planting method thereof. According to the wineglass type grapelandscape planting support, the appearance is novel and unique and the ornamental value is high; the light receiving area is large, and the coloring and sensory quality of grapes is improved; fruitingparts are convenient to pick, and the commercial sightseeing value is increased; and the wineglass type grape landscape planting support is suitable for areas which do not perform soil burying for preventing cold and have developed local tourism culture. According to the technical scheme, the wineglass type grape landscape planting support comprises a red wineglass-shaped structure composed of alower main body framework, an upper main body framework and binding iron wire rings; the lower main body framework is a vertical bracket and forms a cup stem of a wineglass; the upper main body framework comprises three groups of brackets formed by connecting vertical parts and arc parts; the bottoms of the three arc parts are intersected and are fixedly connected with the top of the lower main body framework; the three vertical parts are vertically annularly and uniformly distributed in parallel; and the multiple binding iron wire rings are evenly and horizontally arranged on the upper main body framework in a surrounding mode. The wineglass type grape landscape planting support is formed by planting according to a certain planting method.

The invention relates to the technical field of fruit tree cultivation, and discloses a schisandra chinensis cross-shaped frame and a cultivation method for alternate fruiting in different years thereof. The schisandra chinensis cross-shaped frame comprises a horizontal frame surface and a vertical frame surface over the horizontal frame surface. The cultivation method comprises the steps that twoschisandra chinensis trees of schisandra chinensis double planting are bent for being fixed to the horizontal frame surface after growing into preset heights to form a perennial first arm and a perennial second arm, canes are inserted into the first arm, and vegetative shoots are inserted into the second arm, so that the canes grow on the horizontal frame surface, and the vegetative shoots are guided to grow on the vertical frame surface. By means of the frame style and the cultivation method, closure of the frame surfaces is not likely to happen, ventilation and the light transparency are good, and successive years of high yield and stable yield are available; in winter, the canes on the first arm are pruned away, and buds on the base portions are reserved as vegetative shoots of the following year; the vegetative shoots on the second arm are put down onto the horizontal frame surface and reserved as canes of the following year, and alternation is annually conducted in the subsequentyears according to the method; therefore, the two schisandra chinensis trees fruit alternately, pruning is simplified, and successive years of high yield and stable yield are guaranteed.

A blade arrangement for a hair clipper comprises a comb with an anterior edge, which contains tooth elements; a blade with an anterior cutting edge, which contains tooth elements, with the anterior cutting edge being downwardly sloped towards the lower cutting edge, and the blade being configured to be movable relative to the comb; a connecting device, which connects the comb and the blade relatively movable to each other; and a pretension element, which preloads the comb and the blade against each other. The device is characterized in that the cutting edge of the blade has a wave shape, the anterior cutting edge of the blade contains at least three tooth elements and / or the edges of each tooth element have a curved shape according to the wave shape.

The invention relates to the technical field of grape planting, in particular to an antler-shaped grapevine support and a grapevine planting method thereof. The method is suitable for cold-proof areas without soil burying or greenhouse cultivation, and the coloring, sensory quality and yield of grapes are improved. The support comprises a half-moon-shaped iron sheet and a support body; the support is in an H shape; the half-moon-shaped iron sheet is erected at the upper part of the H-shaped support; the adopted planting method comprises the steps of trunk pruning, antler-shaped main vine pruning, half-moon-shaped iron sheet frame face pruning, middle shoot pruning and short shoot pruning; the surface width of a half-moon-shaped iron sheet frame is about 2m, and the height of the half-moon-shaped iron sheet frame is about 0.5 m; the pruning mode is that middle and short shoots and short shoots are subjected to alternative updating pruning, finally, the length of a reserved fruiting mother branch is 0.2-0.5 m; in the middle and short shoot pruning, 2-6 winter buds are reserved.

The invention provides a method for cultivating grapes in rotation. The wide and narrow row planting method is adopted. In the first year after planting, the grapes of strain A and strain B grow to 1.5m and then are topped; in the second year after planting, the branches of grape strain B are All the buds were treated with germination, and the fruiting branches grew to 1.5m and then topped; the grapes of strain A continued to grow after being cut, and topped in April to May, leaving a new shoot to continue to grow to 1.5m before topping; the third planting Grape strain A is converted into a production plant, and then all buds are accelerated, and the resulting branch grows to 1.5m before topping; grape strain B is converted into a production plant, and the cut branches continue to grow, and the topping is done in April to May , leaving a new sprouting branch to continue to grow to 1.5 meters and topping; A and B plants will be managed alternately according to the above method every year thereafter. The viticulture of the present invention is divided into rotating production plants and production plants, each of which performs its own duties, one fruit-bearing plant and the other for flower bud differentiation, and the production plant can increase the yield.

The invention discloses a spindle middle trunk type peach tree type. The middle trunk type peach tree type is cultivated by adopting the following steps: 1, selecting a disease-free peach seedling, and soaking the peach seedling in a growth-promoting solution for 5h; 2, planting the peach seedling, and fixing the trunk with bamboo poles to keep the peach seedling to grow vertically; 3, after the planted peach seedling germinates, transversely engraving a cortex at a position of 0.3cm to 0.5cm above a bud, and smearing a branching substance while engraving the bud to promote the growth of the bud; 4, during winter pruning at the same year of field planting, cutting back 3 to 4 large branches at the lower part of the peach tree, and reserving 3 to 5 bearing branches on each branch, wherein 10 to 12 bearing branches are distributed on a central leader above the branches in an interlaced manner; 5, during the winter pruning each year after the second year, always keeping large branches on the base to biennial branches for bearing, controlling coronary dilatation and bearing branches on the central leader, removing all the branches that were fruited one year ago, and selecting new annual branches for bearing every year. The spindle middle trunk type peach tree type disclosed by the invention has the advantages of simple operation, high bearing rate and the like.

The invention provides a greenhouse grape single-mother-vine fruiting successive-year double-cropping cultivation method. The method comprises pruning. According to pruning, annual grape mother vine cultivation, grape sibling mother vine arrangement, annual mother vine updating and grape annual mother vine double-fruiting double-cropping are included. The acre yield of grapes of the first batch is about 4000 kilograms, and the acre yield of grapes of the second batch is about 4000 kilograms; compared with traditional-mode double-cropping fruit grapes, mature grapes of the annual second batch, fruits are uniform, juice is full, color is bright, and the sugar content is two or more percent higher; according to the grape cultivation method, pruning is easy, and updating is easy.

The invention discloses a pear tree cultivating, managing and shaping method. Through foliage top-dressing, the yield of pears can be effectively increased. At the flowering stage, a boric acid aqueous solution of which the volume percentage is 2-3% is sprayed to leaf surfaces, so that coming off of flowers can be effectively reduced, and the percentage of fertile fruits can be increased. Throughreasonable shaping of pear trees, dwarfing culture of the pear trees can be realized, facility cultivation in shelter from rain can be realized, and the pear tree cultivating, managing and shaping method is more suitable for cultivation in rainy places such as south of China. Through the pear tree shaping method, the branch quantity, the extending direction and the distribution level of the pear trees can be controlled, the ventilation properties and the illumination properties of a pear garden are improved, the situation that pear tree nutrition is uniformly transported to each pear branch can be guaranteed, the size of the pears can be guaranteed, and the commodity properties of the pears can be improved. The tree form is low, so that the pear trees are easy to trim by fruit growers, thepears are easy to pick by the fruit growers, and artificial operations are convenient.

The invention relates to the technical field of grape planting, in particular to a tree-shaped planting structure and method for astral type landscape grapes. The tree shape is novel and has artistry and extremely high ornamental value; ventilation and light transmission are achieved, diseases can be reduced, and fruit coloring and sensory quality are improved; the height of the fruiting part is moderate, picking is convenient, and the sightseeing commercial value is increased; the structure is suitable for planting and popularization in non-soil-buried cold-proof areas with developed tourism culture industry. According to the technical scheme adopted by the invention, a culture mode of a trunk, an astral main vine perpendicular to the trunk and a new shoot is included; the maximum surface of the top end is 3-3.2 m; the pruning mode is that long and short shoots are alternately updated and pruned, the length of the last five fruiting mother branches is 1.5-1.6 m, the included angle of each fruiting mother branch is 72 degrees, and five steel wires are arranged for facility cultivation.

The invention relates to the technical field of fruit tree cultivation, and discloses a "cross"-shaped frame of schisandra chinensis and a cultivation method for alternate fruiting in different years. The Schisandra chinensis "cross" shaped shelf includes a horizontal shelf surface and a vertical shelf surface above the horizontal shelf surface. The cultivation method includes two plants of Schisandra schisandra planted with two plants of Schisandra chinensis grown to a predetermined height and then bent and fixed on a horizontal frame surface to form a perennial first arm and a second arm. The first arm bears fruiting branches, and the second arm The vegetative branches are grown, and the result is that the mother branches grow on the horizontal shelf, and the vegetative branches are guided to grow on the vertical shelf. Such a frame and cultivation method make the surface of the frame not easy to be closed, with good ventilation and light transmission, and can produce high and stable yields year after year. Prune in winter and cut off the fruiting mother branches on the first arm, and keep the basal buds as the vegetative branches of the next year; put the vegetative branches on the second arm on the horizontal shelf, and keep them as the fruiting mother branches of the next year. Alternate with this every year. In this way, the two schisandra plants bear fruit alternately, which simplifies pruning and ensures high and stable yields year after year.