CN113508715A - Application method of functional film device and cultivation method of apple trees - Google Patents

Application method of functional film device and cultivation method of apple trees Download PDF

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Publication number
CN113508715A
CN113508715A CN202110802129.4A CN202110802129A CN113508715A CN 113508715 A CN113508715 A CN 113508715A CN 202110802129 A CN202110802129 A CN 202110802129A CN 113508715 A CN113508715 A CN 113508715A
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China
Prior art keywords
film
fruit tree
along
functional film
fruit
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CN202110802129.4A
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CN113508715B (en
Inventor
李晓龙
贾永华
田建文
岳海英
王海霞
王芳
刘晓丽
周丽娜
马丁
李锋
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Institute Of Horticulture Ningxia Academy Of Agriculture And Forestry Sciences
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Institute Of Horticulture Ningxia Academy Of Agriculture And Forestry Sciences
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Priority to CN202121208064 priority
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00Protecting plants
    • A01G13/02Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
    • A01G13/0237Devices for protecting a specific part of a plant, e.g. roots, trunk or fruits
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G17/00Cultivation of hops, vines, fruit trees, or like trees
    • A01G17/005Cultivation methods
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G2/00Vegetative propagation
    • A01G2/30Grafting

Abstract

The invention relates to an application method of a functional film device and a cultivation method of apple trees, comprising the following steps: in spring, the germination period of fruit trees is as follows: horizontally laying the film frame (1) along the soil ground at two sides of the axis of the fruit tree row (6); in summer and autumn in high-temperature and rainy period: opening a rear supporting leg (4) at the rear side of the film frame (1) along a hinged part to lift the functional film (2) along the outer side, so that the functional film device is arranged in a V-shaped structure along two sides of the line axis of the fruit tree; in winter, the dormancy period of fruit trees: the front supporting legs (3) on the front side of the film frame (1) are opened along the hinged parts, the front side of the film frame (1) is lifted, the rear side of the film frame (1) is attached to the ground, and the whole functional film device is arranged in an inverted V shape along two sides of the line axis of a fruit tree. The method can improve the planting benefit of intensive apple cultivation in arid-semiarid regions.

Description

Application method of functional film device and cultivation method of apple trees
Technical Field
The invention relates to the technical field of fruit tree planting, in particular to an application method of a functional film device for intensive cultivation of in-row soil management of fruit trees.
Background
The in-row soil management of intensive cultivation of the apples refers to the management of soil temperature, moisture and nutrition of root systems and extended areas of the apples and also comprises the management of malignant weeds in the areas. The arid-semiarid regions are mostly located in northern regions of China, so that the temperature in winter and spring is low and the precipitation is less, so that the problems of winter and spring freezing damage (winter trunk freezing damage, spring flowering frost), soil water shortage, low fruit quality and the like generally face in local intensive cultivation apple orchards. In order to improve the economic benefit of fruit trees in arid-semiarid regions, the prior art provides a plurality of methods for improving the problems, such as covering soil on the trunk of a tree body in the dormancy stage of the fruit trees and avoiding the freezing of the grafting opening of the trunk; laying mulching films for water retention and grass prevention in the growth period of fruit trees in spring and summer; the reflective film is laid in the mature period of fruit trees in autumn to improve the fruit quality and increase the color of the fruit surface, however, the measures can only solve the problem in a single aspect, the procedure is complicated, the cost is high, and the material and labor cost for the soil management in fruit tree rows is up to 1500 yuan/mu every year according to statistics. In addition, no reasonable solution is found for the problems of frost in the flowering phase, water shortage of soil and the like. The functional device capable of adjusting the temperature and the humidity of soil in the row and improving the fruit quality is developed, and efficient and integrated solving of the series of problems is facilitated, so that reliable technical support is provided for popularization of fruit tree intensive modes in specific areas.
Disclosure of Invention
The invention aims to solve the problems of high in-line soil management cost, poor effect, complex operation, low fruit quality and the like existing in intensive cultivation orchards in arid-semiarid regions for a long time, and provides an application method of a functional membrane device and a cultivation method of apple trees.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
an application method of a functional film device for intensive cultivation of in-row soil management of fruit trees comprises a film frame, a functional film, a front support leg and a rear support leg; the film frame is in a rectangular plate structure; the functional film comprises an upper film and a lower film, the upper film is a silver optical film, the lower film is a black film, and the upper film and the lower film are respectively fixedly arranged on the top surface and the bottom surface of the film frame; the front support leg and the rear support leg are respectively hinged to the front side and the rear side of the membrane frame, and the angles between the front support leg and the membrane frame and the angles between the rear support leg and the membrane frame can be adjusted and fixed through hinged parts;
the application method comprises the following steps:
in spring, the germination period of fruit trees is as follows: horizontally laying a film frame along the soil ground on two sides of the axis of the fruit tree row, wherein the front side of the film frame is close to one side of the axis of the fruit tree row, the film frame extends outwards along one side of the main rod of the fruit tree to cover the soil surface of the root system extension area on the two sides of the fruit tree, the film frame is laid close to the ground, and the front support leg and the rear support leg are respectively horizontally folded along the hinged part of the film frame;
in summer and autumn in high-temperature and rainy period: opening a rear supporting leg at the rear side of the film frame along a hinged part to lift the functional film along the outer side, and then fixing the supporting legs through an adjusting and fixing mechanism to enable the functional film device to be arranged in a V-shaped structure along two sides of the line axis of the fruit tree;
in winter, the dormancy period of fruit trees: the front supporting legs of the front side of the film frame are opened along the hinged parts, the front side of the film frame is lifted, meanwhile, the rear supporting legs of the rear side of the film frame are folded along the hinged parts, the rear side of the film frame is attached to the ground, and the whole functional film device is arranged in an inverted V shape along the two sides of the line axis of a fruit tree.
A cultivation method of apple trees comprises the following steps:
in spring, the germination period of fruit trees is as follows: horizontally laying functional films along the soil ground on two sides of the fruit tree row axis;
in summer and autumn in high-temperature and rainy period: laying the functional film in a V shape along two sides of the line axis of the fruit tree;
in winter, the dormancy period of fruit trees: arranging the functional film in an inverted V shape along two sides of the line axis of the fruit tree;
the functional film comprises an upper film and a lower film, wherein the upper film is a silver optical film, and the lower film is a black film.
Compared with the prior art, the method has the following beneficial effects:
the functional film is laid in the sprouting period of the fruit tree in spring, 1) the upper film 21 with silver color is used for reflecting the sun irradiation light, so that the violent change of the soil temperature under the functional film 2 caused by the extreme change of the temperature in early spring is prevented or relieved, the early sprouting and blooming of the tree body are avoided, the late frost and frost weather frequently appearing in early spring is avoided, and the effects of flower and fruit retention are achieved; 2) the functional film 2 is used for covering the soil surface under the fruit tree, so that the overwintering generation pests such as oriental fruit moths, aphids and the like which are intensively unearthed and planted on the tree in the temperature back-warming period in spring can be effectively prevented, and the effect of preventing and controlling the pests is achieved. 3) The functional film 2 is used for covering the soil surface under the fruit trees, so that the loss of soil moisture can be effectively prevented, and the growth and development of the fruit trees are promoted.
The functional film is laid in the high-temperature and rainy period in summer and autumn, 1) by utilizing the characteristic that rainwater in summer and autumn is more, rainwater can be concentrated and collected at the root of the main rod of the fruit tree through the functional film 2 arranged in the V-shaped structure, and the water requirement of the fruit tree is facilitated; 2) the upper layer film 21 with silver color is used for reflecting the solar irradiation light, so that the effect of reducing the soil temperature under the film can be achieved, the problem that the fruit trees stop growing too early due to overhigh soil temperature under the film is avoided, meanwhile, the light is reflected to the fruit trees to increase the irradiation effect of the light on the fruits, and the effects of increasing the color and improving the quality of the fruits are achieved; 3) the growth of weeds under the functional film 2 is suppressed by blocking light by utilizing the light absorption characteristic of the black lower layer film 22.
Laying a functional film in the dormancy stage of the fruit tree in winter, wherein 1) the functional film plays a role in preserving heat and moisture for soil at the root of the fruit tree; 2) the front side of the film frame 1 is lifted by 10-15cm, so that the joint of the main stem and the stock ear of a fruit tree part can be just arranged in the functional film 2, and the problem of frostbite at the joint of the main stem and the stock ear of the fruit tree can be effectively avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic three-dimensional structure diagram of a functional film device for intensive cultivation of in-row soil management of fruit trees in an embodiment;
FIG. 2 is a schematic diagram of a laying mode of a functional film device in the germination period of fruit trees in spring;
FIG. 3 is a schematic diagram of a laying method of a functional film device in high-temperature and rainy periods in summer and autumn;
FIG. 4 is a schematic diagram of a laying mode of a functional film device in a dormancy stage of fruit trees in winter;
in the drawings: the film frame 1, the functional film 2, the upper layer film 21, the lower layer film 22, the front supporting leg 3, the rear supporting leg 4, the adjusting and fixing mechanism 5, the supporting rod 51, the buckle 52 and the fruit tree row 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, the functional film device for intensive cultivation of in-row soil management of fruit trees provided in the present embodiment includes a film frame 1, a functional film 2, a front support leg 3 and a rear support leg 4; the film frame 1 is of a rectangular plate structure; the functional film 2 comprises an upper film 21 and a lower film 22, the upper film 21 is a reflective film, the lower film 22 is a light absorption film, and the upper film 21 and the lower film 22 are respectively fixedly arranged on the top surface and the bottom surface of the film frame 1; preceding supporting leg 3 and back supporting leg 4 articulate respectively and install the front side and the rear side at membrane frame 1, and the angle between preceding supporting leg 3 and back supporting leg 4 and the membrane frame 1 can be adjusted through articulated position and fix the setting.
The front side of the film frame 1 is one side close to the fruit tree main rod, the rear side is the other side far away from the fruit tree main rod, and the length from the front side to the rear side is set according to the extension range of the root system of the fruit tree and is not less than 1 meter.
And adjusting and fixing mechanisms 5 are respectively arranged between the film frame 1 and the front supporting leg 3 and the rear supporting leg 4.
The height of the front support leg 3 and the rear support leg 4 is set between 10-15 cm.
The upper film 21 is a silver photochromic film.
The underlayer film 22 is a black film.
The adjusting and fixing mechanism 5 comprises a support rod 51 and buckles 52, the buckles 52 are respectively arranged on the film frame 1, the front support leg 3 and the rear support leg 4 according to the angle setting requirement, and two ends of the support rod 51 are respectively arranged on the two buckles 52.
Example 1
The functional film device for managing the soil in the rows of the intensive cultivated fruit trees has an application mode and a functional principle.
1. In spring, the germination period of fruit trees is as follows: as shown in the attached figure 2, the film frame 1 is horizontally laid along the soil ground on two sides of the axis of a fruit tree row 6, the front side of the film frame 1 is close to one side of the axis of the fruit tree row, the film frame 1 outwards extends along one side of a main rod of the fruit tree to cover the soil surface of the root system extension area on two sides of the fruit tree, the film frame 1 is laid close to the ground, and the front supporting leg 3 and the rear supporting leg 4 are respectively horizontally folded along the hinged part of the film frame 1. The effect of thus setting the functional film device is: 1) through the arrangement of the functional film 2, the upper film 21 with silver color reflects the sun irradiation light, so that the violent change of the soil temperature under the functional film 2 caused by the extreme change of the temperature in early spring is prevented, the early germination and blooming of the tree body are avoided, the late frost freezing weather frequently appearing in early spring is avoided, and the effects of flower and fruit retention are achieved; 2) the functional film 2 is utilized to cover the soil surface under the fruit trees, the overwintering generation pests such as oriental fruit moths and aphids can be effectively prevented from being intensively unearthed and planted on the trees in the spring temperature back-warming period, and therefore the effect of harm can be achieved.
2. In summer and autumn in high-temperature and rainy period: as shown in figure 3, open the back supporting leg 4 of 1 rear side of membrane frame along articulated position, make function membrane 2 lift up along the outside and be 15 degrees angles with ground, then fixed with supporting leg 4 through adjusting fixed establishment 5, make function membrane device be V style of calligraphy structure setting along the line axis both sides of fruit tree, the effect that sets up like this lies in: 1) by utilizing the characteristic that rainwater is more in summer and autumn, the functional film 2 arranged in the V-shaped structure can concentrate rainwater at the root of the main rod of the fruit tree, thereby being beneficial to the water requirement of the fruit tree; 2) the upper layer film 21 with silver color is used for reflecting the solar irradiation light, so that the effect of reducing the soil temperature under the film can be achieved, the problem that the fruit trees stop growing too early due to overhigh soil temperature under the film is avoided, meanwhile, the light is reflected to the fruit trees to increase the irradiation effect of the light on the fruits, and the effects of increasing the color and improving the quality of the fruits are achieved; 3) the growth of weeds under the functional film 2 is suppressed by blocking light by utilizing the light absorption characteristic of the black lower layer film 22.
3. In winter, the dormancy period of fruit trees: as shown in the attached figure 4, the front supporting leg 3 at the front side of the film frame 1 is unfolded along the hinged part, the front side of the film frame 1 is lifted to a position 10-15cm away from the ground, meanwhile, the rear supporting leg 4 at the rear side of the film frame 1 is folded along the hinged part, the rear side of the film frame 1 is attached to the ground, and the whole functional film device is arranged in an inverted V shape along two sides of the line axis of a fruit tree. The effect is that: 1) the soil at the root of the fruit tree is subjected to heat preservation and moisture preservation; 2) the front side of the film frame 1 is lifted by 10-15cm, so that the joint of the main stem and the stock ear of a fruit tree part can be just arranged in the functional film 2, and the problem of frostbite at the joint of the main stem and the stock ear of the fruit tree can be effectively avoided.
Example 2
Based on the functional film device and the application method thereof in the embodiment 1, the cultivation method of the apple trees can be obtained, and the method specifically comprises the following steps:
in spring, the germination period of fruit trees is as follows: and horizontally paving functional films along the soil ground on two sides of the row axis of the fruit tree. The length of the functional film is preferably not less than 1 meter in the extension range from the row axis of the fruit tree to the root system of the fruit tree.
In summer and autumn in high-temperature and rainy period: and laying the functional film in a V shape along two sides of the line axis of the fruit tree. In the process of forming the V-shaped structure, the functional film on each side of the fruit tree row axis is preferably in an angle of 15 degrees with the ground.
In winter, the dormancy period of fruit trees: the functional film is arranged in an inverted V shape along two sides of the line axis of the fruit tree. In the process of forming the inverted V-shaped structure, it is preferable that the end of the functional film on each side of the fruit tree row axis is lifted 10 to 15cm from the ground.
The functional film comprises an upper film and a lower film, wherein the upper film is a light reflecting film, and the lower film is a light absorbing film.
In the traditional film paving process, films are directly paved on the surface of soil to preserve water and heat, in the method, the films are paved in different modes in different growth periods of apple trees by utilizing different characteristics and seasonal climate characteristics of the apple trees in different growth periods, so that the function of the functional films can be exerted to the utmost extent, for example, even when the reflective films are used for reflecting sunlight, the reflected sunlight can be more concentrated on the apple trees by utilizing the angle setting of 15 degrees, and the apple can absorb the sunlight more fully. Therefore, the method for planting the apple trees can greatly improve the quality of the apples and further improve the economic benefit.
In order to verify the effect of the cultivation method, a comparative experiment was carried out, wherein the apple trees planted in one experimental field were not covered with film, and the apple trees planted in the other experimental field were covered with the functional film device shown in fig. 1, and the different covering methods described above were used at different times. The areas of the two experimental fields are equal, the number (namely the number of the planted apple trees) is also equal, the seedlings come from the same seedling raising field, and the ages of the seedlings are the same. Data were collected at different times and statistically summarized, with the results shown in the following 9 tables:
TABLE 1
TABLE 2
TABLE 3
TABLE 4
TABLE 5
TABLE 6
TABLE 7
TABLE 8
TABLE 9
As can be seen from the 9 tables, the cultivation method has obvious effect of changing the temperature and humidity of soil in the fruit tree rows and the fruit quality. Experimental investigations found that there was a difference in the following effect compared to the control (no coverage within the row of fruit trees):
in the sprouting period of the fruit trees in spring, 1) the temperature difference of all-day soil of a 10cm soil layer in a row of the fruit trees is smaller by 2.5 ℃, the temperature difference of all-day soil of a 20cm soil layer is smaller by 1.5 ℃, the temperature difference of all-day soil at the roots of the fruit trees is smaller by 0.8 ℃, and the sprouting period and the flowering period of the fruit trees are delayed for 2-3 days. 2) The damage rate of leaf buds of the oriental fruit moth is reduced by 31.8 percent. 3) The soil humidity of a 10cm soil layer is increased by 32.8%, the soil humidity of a 20cm soil layer is increased by 18.5%, and the soil humidity of the fruit tree root is increased by 12.3%.
In the high-temperature and rainy period of summer and autumn, 1) the soil humidity of a 10cm soil layer in a fruit tree row is increased by 56.6 percent, the soil humidity of a 20cm soil layer is increased by 48.4 percent, and the soil humidity of the fruit tree root is increased by 36.3 percent. 2) The extreme temperature (high temperature) of the soil surface in the high-temperature period is reduced by 6.8 ℃, the extreme temperature (high temperature) of the soil layer with the thickness of 10cm is reduced by 3.6 ℃, the extreme temperature (high temperature) of the soil with the thickness of 20cm is reduced by 2.5 ℃, the extreme temperature (high temperature) of the soil at the root of the fruit tree is reduced by 1.2 ℃, the length of an annual branch is increased by 2.5cm, and the short branch rate of the fruit tree is increased by 3.1%. 3) The technical scheme reduces the height of the weeds under the trees by 50cm, and effectively eliminates the cost of cutting off the weeds.
In the dormancy stage of fruit trees in winter, the technical scheme can improve the extreme temperature (low temperature) of soil in the near-field air by 5.6 ℃ and reduce the incidence rate of freeze injury of the apple trunk by 86.0 percent.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.

Claims (8)

1. An application method of a functional film device for intensive cultivation of in-row soil management of fruit trees is characterized in that the functional film device for intensive cultivation of in-row soil management of fruit trees comprises a film frame (1), a functional film (2), a front supporting leg (3) and a rear supporting leg (4); the film frame (1) is of a rectangular plate structure; the functional film (2) comprises an upper layer film (21) and a lower layer film (22), the upper layer film (21) is a silver optical film, the lower layer film (22) is a black film, and the upper layer film (21) and the lower layer film (22) are fixedly arranged on the top surface and the bottom surface of the film frame (1) respectively; the front supporting legs (3) and the rear supporting legs (4) are respectively hinged to the front side and the rear side of the film frame (1), and the angles between the front supporting legs (3) and the rear supporting legs (4) and the film frame (1) can be adjusted and fixed through hinged parts;
the application method comprises the following steps:
in spring, the germination period of fruit trees is as follows: the film frame (1) is horizontally laid along the soil ground on two sides of the axis of the fruit tree row (6), the front side of the film frame (1) is close to one side of the axis of the fruit tree row, the film frame (1) extends outwards along one side of the main rod of the fruit tree to cover the soil surface of root system extension areas on two sides of the fruit tree, the film frame (1) is laid close to the ground, and the front support leg (3) and the rear support leg (4) are respectively horizontally folded along the hinged part of the film frame (1);
in summer and autumn in high-temperature and rainy period: the rear supporting leg (4) at the rear side of the film frame (1) is opened along the hinged part to lift the functional film (2) along the outer side, and then the supporting leg (4) is fixed by the adjusting and fixing mechanism (5) to enable the functional film device to be arranged in a V-shaped structure along two sides of the line axis of the fruit tree;
in winter, the dormancy period of fruit trees: the front supporting leg (3) on the front side of the film frame (1) is opened along the hinged part, the front side of the film frame (1) is lifted, meanwhile, the rear supporting leg (4) on the rear side of the film frame (1) is folded along the hinged part and is folded, the rear side of the film frame (1) is attached to the ground, and the whole functional film device is arranged in an inverted V shape along the two sides of the line axis of a fruit tree.
2. The application method according to claim 1, wherein the step of raising the functional film (2) along the outer side raises the functional film (2) along the outer side at an angle of 15 degrees with respect to the ground.
3. The method of application according to claim 1, wherein in the step of lifting the front side of the membrane holder (1), the front side of the membrane holder (1) is lifted to a position of 10-15cm from the ground.
4. The application method as claimed in claim 1, wherein the length from the front side to the back side of the film frame (1) is set according to the extension range of the root system of the fruit tree, and is not less than 1 meter.
5. The cultivation method of the apple trees is characterized by comprising the following steps:
in spring, the germination period of fruit trees is as follows: horizontally laying functional films along the soil ground on two sides of the fruit tree row axis;
in summer and autumn in high-temperature and rainy period: laying the functional film in a V shape along two sides of the line axis of the fruit tree;
in winter, the dormancy period of fruit trees: arranging the functional film in an inverted V shape along two sides of the line axis of the fruit tree;
the functional film comprises an upper film and a lower film, wherein the upper film is a silver optical film, and the lower film is a black film.
6. The method as claimed in claim 5, wherein in the step of laying the functional film in a V shape along both sides of the fruit tree row axis, the functional film on each side of the fruit tree row axis forms an angle of 15 degrees with the ground.
7. The cultivation method as claimed in claim 5, wherein in the step of arranging the functional film in an inverted V shape along both sides of the row axis of the fruit tree, the end of the functional film on each side of the row axis of the fruit tree, which is lifted, is 10-15cm from the ground.
8. The method of claim 5, wherein the functional film has a length of not less than 1 m in an extension range from a row axis of the fruit tree to a root system of the fruit tree.
CN202110802129.4A 2021-06-01 2021-07-15 Application method of functional membrane device Active CN113508715B (en)

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Application Number Priority Date Filing Date Title
CN2021212080642 2021-06-01
CN202121208064 2021-06-01

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Publication Number Publication Date
CN113508715A true CN113508715A (en) 2021-10-19
CN113508715B CN113508715B (en) 2022-08-26

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2759856A1 (en) * 1997-02-27 1998-08-28 Sylvie Ratie Device for protection for winter plants
CN202710360U (en) * 2012-07-24 2013-01-30 华东师范大学 Large-area detachable rainwater collecting device
CN203896908U (en) * 2014-06-19 2014-10-29 朱明龙 Multifunctional plant cover
CN104904561A (en) * 2015-06-12 2015-09-16 朱元龙 Arid and semi-arid region forest rainwater collecting and drought resisting cultivation method
CN206118619U (en) * 2016-05-27 2017-04-26 吴树杰 Bao shui keeps warm to weed and sets membrane

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2759856A1 (en) * 1997-02-27 1998-08-28 Sylvie Ratie Device for protection for winter plants
CN202710360U (en) * 2012-07-24 2013-01-30 华东师范大学 Large-area detachable rainwater collecting device
CN203896908U (en) * 2014-06-19 2014-10-29 朱明龙 Multifunctional plant cover
CN104904561A (en) * 2015-06-12 2015-09-16 朱元龙 Arid and semi-arid region forest rainwater collecting and drought resisting cultivation method
CN206118619U (en) * 2016-05-27 2017-04-26 吴树杰 Bao shui keeps warm to weed and sets membrane

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