Nutrition bowl for saline-alkali soil planting and manufacturing method thereof

Abstract

The invention relates to the technical field of saline-alkali soil planting, and discloses a nutrition bowl for saline-alkali soil planting and a manufacturing method thereof. The nutrition bowl comprises an inner-layer nutrition bowl body and an outer-layer nutrition bowl body, the outer-layer nutrition bowl body is arranged on the outer side of the inner-layer nutrition bowl body in a sleeving mode and is made of plant ash, plant starch, straw fiber powder, dehydrated municipal sludge, polylactic acid, glycerin, animal waste and straw mixed materials, and saline-alkali soil is mixed in the outer-layer nutrition bowl body. According to the nutrition bowl, plants are planted in nutrient soil in the nutrition bowl, and the bowl body is buried in saline-alkali soil. Plant root systems grow in the nutrient soil, then penetrate through the inner-layer nutrition bowl body, outwards enter the outer-layer nutrition bowl body and finally enter the saline-alkali soil, the process of gradually adapting to the saline-alkali soil is achieved, the salt tolerance of the plant root systems is enhanced, and the plant survival rate is increased; and the bowl body can be automatically degraded, can be completely fused into the soil environment, and has the effect of improving the soil environment of the saline-alkali soil after long-term use.

Description

Technical Field

[0001] The embodiments of the present invention relate to the technical field of saline-alkali land planting, and in particular to a nutrient pot for saline-alkali land soil planting and a manufacturing method thereof. Background Art

[0002] Soil salinization not only involves agriculture and land, but also involves comprehensive issues such as water resources and ecological environment. In particular, soil salinization affects the planting, yield, suitability and quality of crops, and also affects the quality of the environment at the same time. The planting and improvement of crops in saline-alkali land has become a key issue of concern to countries around the world.

[0003] At present, the cultivation in saline-alkali land is generally to plant flowers, seedlings and other plants in the nutrient soil in the pot, and then bury the pot in the soil of the saline-alkali land to prevent the saline-alkali soil from affecting the survival rate of the plants.

[0004] The inventors of the present application have found that the pot body is currently generally made of plastic, which is non-degradable, and subsequent treatment has certain harm to the environment, and the planting of plants cannot improve the soil environment of saline-alkali land. Summary of the invention

[0005] The object of the present invention is to provide a nutrient pot for planting in saline-alkali soil and a manufacturing method thereof, so as to solve the problems in the above-mentioned background technology.

[0006] The embodiment of the present invention provides a nutrient pot for planting in saline-alkali soil, comprising: an inner nutrient pot body and an outer nutrient pot body;

[0007] The inner layer nutrient pot body and the outer layer nutrient pot body are both in a cone shape with a larger top and a smaller bottom, and the outer layer nutrient pot body is sleeved on the outer side of the inner layer nutrient pot body and fits with the inner layer nutrient pot body;

[0008] The inner layer nutrient pot body and the outer layer nutrient pot body are both made of a degradable material mixed with plant ash, plant starch, straw fiber powder, dehydrated municipal sludge, polylactic acid, glycerol, animal feces, and straw, and the degradable material of the outer layer nutrient pot body is mixed with saline-alkali land soil;

[0009] The inner nutrient pot body is used to load nutrient soil for growing plants;

[0010] The nutrient pot is used for being buried in saline-alkali soil.

[0011] Based on the above scheme, it can be known that the nutrient pot for planting in saline-alkali soil of the present invention is provided with an inner nutrient pot body and an outer nutrient pot body, the outer nutrient pot body is sleeved on the outside of the inner nutrient pot body, the inner nutrient pot body and the outer nutrient pot body are made of a degradable material mixed with plant ash, plant starch, straw fiber powder, dehydrated municipal sludge, polylactic acid, glycerol, animal feces, and straw, and the degradable material of the outer nutrient pot body is mixed with saline-alkali soil. The nutrient pot for planting in saline-alkali soil of the present invention, the inner nutrient pot body is placed in the outer nutrient pot body, nutrient soil is filled in the inner nutrient pot body, crops or plants are planted in the nutrient soil, and then the pot body is buried in the saline-alkali soil of the planting area as a whole. The plant root system grows in a relatively closed and stable environment provided by the inner nutrient pot body, and then grows outward through the side wall and bottom of the inner nutrient pot body into the outer nutrient pot body, and finally grows outward into the saline-alkali soil. The plant root system has a gradual adaptation process to the external saline-alkali soil. It can gradually adapt to the saline-alkali soil in layers, thereby enhancing the salt tolerance of the plant root system and improving the survival rate of plants in harsh soil environments. The survival rate of plants is almost 100%; and the pot body can degrade itself after a period of time and completely integrate into the soil environment, de-alkalizing the soil. Long-term use has the effect of improving the saline-alkali soil environment.

[0012] In a feasible solution, the degradable material of the inner layer nutrient pot body is mixed with saline-alkali soil, and the content of the saline-alkali soil is lower than the content of the saline-alkali soil mixed in the degradable material of the outer layer nutrient pot body.

[0013] In a feasible solution, the mass ratios of plant ash, plant starch, straw fiber powder, dehydrated municipal sludge, polylactic acid, glycerol, animal feces, straw, and saline-alkali soil in the inner nutrient pot body are 12-18, 8-20, 6-18, 18-28, 2-6, 4-6, 18-26, 4-6, and 5-15;

[0014] The mass ratios of wood ash, plant starch, straw fiber powder, dehydrated municipal sludge, polylactic acid, glycerol, animal feces, straw, and saline-alkali soil in the outer nutrient pot are 12-18, 8-20, 6-18, 8-18, 2-6, 4-6, 8-16, 4-6, and 15-25.

[0015] In a feasible solution, it also includes: a bowl mouth fixing sleeve;

[0016] The bowl mouth fixing sleeve is arranged on the top of the outer nutrient bowl body to tighten the outer nutrient bowl body, and the bowl mouth fixing sleeve is made of a degradable material.

[0017] In a feasible solution, the bowl mouth fixing sleeve is made of straw.

[0018] In a feasible solution, the side wall of the inner nutrient pot body is provided with a plurality of first air holes, and the side wall of the outer nutrient pot body is provided with a plurality of second air holes;

[0019] The first air vent and the second air vent are arranged within two-thirds of the height of the bowl body from the bottom surface.

[0020] In a feasible solution, the first air holes and the second air holes are both provided with multiple layers, the first air holes and the second air holes in each layer are evenly arranged in the circumferential direction, and the first air holes and the second air holes are staggered in the circumferential direction.

[0021] In a feasible solution, a plurality of third air holes are provided at the bottom of the inner nutrient pot body;

[0022] The bottom of the outer nutrient pot body is provided with a plurality of fourth air holes;

[0023] The plurality of third air holes and the plurality of fourth air holes are evenly distributed along the circumferential direction, and the third air holes and the fourth air holes are staggered.

[0024] The embodiment of the present invention also provides a method for manufacturing a nutrient pot for planting in saline-alkali soil, including manufacturing an inner nutrient pot body and an outer nutrient pot body, comprising the following steps:

[0025] S1 raw material preparation:

[0026] S11: mixing dehydrated municipal sludge, animal feces, and rice straw according to a mass ratio and stirring evenly to obtain a transition mixture of an inner layer nutrient pot body and an outer layer nutrient pot body;

[0027] S12 ferments the transition mixture for a certain period of time;

[0028] S13 air-drying the fermented transition mixture;

[0029] S14: mixing plant ash, plant starch, straw fiber powder, polylactic acid, glycerin, saline-alkali soil, and the transition mixture after drying according to a mass ratio and stirring evenly, and standing for a certain period of time to obtain raw materials for preparing an inner layer nutrient pot body and an outer layer nutrient pot body;

[0030] S2 Production

[0031] The prepared raw materials are hot-pressed by a hot press to obtain an inner layer nutrient pot body and an outer layer nutrient pot body.

[0032] In a feasible solution, in step S11, the moisture content of the dehydrated municipal sludge and the animal feces is 80%, and the length of the rice straw is 30 mm;

[0033] In step S12, the fermentation time of the transition mixture is 27 days;

[0034] In step S13, the transition mixture is air-dried until the moisture content is 28-30%;

[0035] In step S14, the particle sizes of the plant starch and the straw fiber powder are less than 1 mm, and the mixture is left to stand for 48 hours;

[0036] In step S2, during hot pressing, the pressure is 0.2-0.3 MPa, the temperature is 120-180°C, and the holding time is 15-25 minutes. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0038] Figure 1 It is a cross-sectional schematic diagram of a pot for planting in saline-alkali soil in the first embodiment of the present invention;

[0039] Figure 2 It is a schematic top view of a pot body for planting in saline-alkali soil in the first embodiment of the present invention.

[0040] Numbers in the figure:

[0041] 11. Inner nutrient pot body; 111. First air hole; 112. Third air hole; 12. Outer nutrient pot body; 121. Second air hole; 122. Fourth air hole; 13. Pot mouth fixing sleeve. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0044] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] The technical solution of the present invention is described in detail with specific embodiments below. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.

[0046] As described in the background technology of this application, the current cultivation in saline-alkali land is generally to plant flowers, seedlings and other plants in nutrient soil in a pot, and then bury the pot in the soil of the saline-alkali land to prevent the saline-alkali soil from affecting the survival rate of the plants.

[0047] The inventors of the present application have found that the pot body is currently generally made of plastic, which is non-degradable, and subsequent treatment has certain harm to the environment, and the planting of plants cannot improve the soil environment of saline-alkali land.

[0048] In order to solve the above problems, the inventor of the present application proposed the technical solution of the present application, and the specific embodiments are as follows:

[0049] Embodiment 1

[0050] Figure 1 This is a cross-sectional schematic diagram of a pot for planting in saline-alkali soil in Example 1 of the present invention. Figure 2 It is a schematic top view of a pot body for planting in saline-alkali soil in the first embodiment of the present invention.

[0051] like Figure 1 and Figure 2 As shown, the nutrient pot for planting in saline-alkali soil of this embodiment includes: an inner nutrient pot body 11 and an outer nutrient pot body 12.

[0052] The inner nutrient pot body 11 and the outer nutrient pot body 12 are both conical (trumpet-shaped) with a large upper end and a small lower end. The outer nutrient pot body 12 is sleeved on the outer side of the circumference of the inner nutrient pot body 11. The inner side of the outer nutrient pot body 12 fits against the outer side of the inner nutrient pot body 11, and the top surfaces of the outer nutrient pot body 12 and the inner nutrient pot body 11 are basically flush.

[0053] The inner nutrient pot body 11 is made of a biodegradable material mixed with wood ash, plant starch, straw fiber powder, dehydrated municipal sludge, polylactic acid, glycerol, animal feces, and straw through compression.

[0054] The outer nutrient pot body 12 is made of a degradable material mixed with wood ash, plant starch, straw fiber powder, dehydrated municipal sludge, polylactic acid, glycerol, animal excrement, straw, and saline-alkali soil by compression.

[0055] When the pot body of this embodiment is used, the inner nutrient pot body is placed into the outer nutrient pot body, the inner nutrient pot body is filled with nutrient soil, crops or plants are planted in the nutrient soil in the pot body, and then the entire pot body is buried in the saline-alkali soil in the planting area.

[0056] The roots of crops or plants will grow in the relatively closed and stable microenvironment provided by the inner nutrient pot. Over time, the roots of plants will grow outward through the sides and bottom of the inner nutrient pot into the outer nutrient pot, and eventually grow outward into the saline-alkali soil.

[0057] The inner nutrient pot body and the outer nutrient pot body are made of degradable materials to form a double-layer transition interface isolated from the saline-alkali soil, and a small amount of saline-alkali soil in the planting area is mixed with the degradable material of the outer nutrient pot body, which can promote the growth of plant roots, strengthen and improve the plant roots, so that the plant roots can gradually adapt to the saline-alkali soil in layers, thereby enhancing the salt tolerance of the plant roots and improving the survival rate of the plants; moreover, after degradation, the pot body has a de-alkali function, which can increase soil fertility and improve the soil environment in the planting area.

[0058] It is not difficult to find from the above content that the saline-alkali soil planting nutrient pot of the present embodiment is provided with an inner nutrient pot body and an outer nutrient pot body, the outer nutrient pot body is sleeved on the outside of the inner nutrient pot body, the inner nutrient pot body and the outer nutrient pot body are made of a degradable material mixed with plant ash, plant starch, straw fiber powder, dehydrated municipal sludge, polylactic acid, glycerol, animal feces, and straw, and the degradable material of the outer nutrient pot body is mixed with saline-alkali soil. The saline-alkali soil planting nutrient pot of the present embodiment, the inner nutrient pot body is placed in the outer nutrient pot body, the inner nutrient pot body is filled with nutrient soil, crops or plants are planted in the nutrient soil, and then the pot body is buried in the saline-alkali soil of the planting area as a whole. The plant root system grows in a relatively closed and stable environment provided by the inner nutrient pot body, and then grows outward through the side wall and bottom of the inner nutrient pot body into the outer nutrient pot body, and finally grows outward into the saline-alkali soil. The plant root system has a gradual adaptation process to the external saline-alkali soil. It can gradually adapt to the saline-alkali soil in layers, thereby enhancing the salt tolerance of the plant root system and improving the survival rate of plants in harsh soil environments. The survival rate of plants is almost 100%; and the pot body can degrade itself after a period of time and completely integrate into the soil environment, de-alkalizing the soil. Long-term use has the effect of improving the saline-alkali soil environment.

[0059] Optionally, the nutrient pot for planting in saline-alkali soil in this embodiment also has a small amount of saline-alkali soil mixed in the degradable material of the inner nutrient pot body 11, and the content of saline-alkali soil mixed in the degradable material of the inner nutrient pot body 11 is less than the content of saline-alkali soil mixed in the degradable material of the outer nutrient pot body 12, so that the pot body forms a three-layer transitional microenvironment structure.

[0060] The plants are planted in the nutrient soil of the inner nutrient pot. During the growth process, the plant roots pass through the nutrient soil, the inner nutrient pot, the outer nutrient pot, and then enter the saline-alkali soil from the inside to the outside, gradually adapting to the saline-alkali soil, further enhancing the salt tolerance of the plant roots and further improving the survival rate of the plants.

[0061] Furthermore, in the nutrient pots for planting in saline-alkali soil in this embodiment, the mass ratios of wood ash, plant starch, straw fiber powder, dehydrated municipal sludge, polylactic acid, glycerol, animal manure, straw, and saline-alkali soil in the inner nutrient pot body 11 are 12-18, 8-20, 6-18, 18-28, 2-6, 4-6, 18-26, 4-6, and 5-15.

[0062] The mass ratios of wood ash, plant starch, straw fiber powder, dehydrated municipal sludge, polylactic acid, glycerol, animal manure, straw, and saline-alkali soil in the outer nutrient pot body 12 are 12-18, 8-20, 6-18, 8-18, 2-6, 4-6, 8-16, 4-6, and 15-25.

[0063] Optionally, the nutrient pot for planting in saline-alkali soil in this embodiment further includes: a pot mouth fixing sleeve 13.

[0064] The bowl mouth fixing sleeve 13 is sleeved on the circumferential side wall of the outer nutrient bowl body 12, and is located at the top opening of the outer nutrient bowl body 12. The bowl mouth fixing sleeve 13 tightens the top of the outer nutrient bowl body 12, making the bowl body more firm and preventing the top of the outer nutrient bowl body 12 from cracking.

[0065] The bowl mouth fixing sleeve 13 is also made of a degradable material and can be degraded by itself after being used for a period of time.

[0066] Furthermore, in the nutrient pots for planting in saline-alkali soil in this embodiment, the material of the pot mouth fixing sleeve 13 is degradable straw discarded by farmers.

[0067] Optionally, in the nutrient pot for planting in saline-alkali soil in this embodiment, the circumferential side wall of the inner nutrient pot body 11 is provided with a plurality of first air holes 111 .

[0068] A plurality of second air holes 121 are formed on the circumferential side wall of the outer nutrient pot body 12 .

[0069] The plurality of first air holes 111 and the plurality of second air holes 121 are both disposed at the lower end of the bowl body, and are located within about two-thirds of the height of the bowl body from the bottom surface.

[0070] Furthermore, in the nutrient pots for planting in saline-alkali soil in this embodiment, the first air holes 111 of the inner nutrient pot body 11 are provided in multiple layers in the up and down directions, and the multiple first air holes 111 of each layer are evenly arranged along the circumferential direction on the circumferential side wall.

[0071] Correspondingly, the second air holes 121 of the outer nutrient pot body 12 are also provided with multiple layers in the up and down direction, and the multiple second air holes 121 of each layer are evenly arranged along the circumferential direction on the circumferential side wall.

[0072] The first air holes 111 and the second air holes 121 are arranged alternately in the circumferential direction, and the spacing between each layer of air holes is about 20-25 mm, so that the bowl body has the effects of ventilation and water retention, and has the required strength.

[0073] Optionally, in the nutrient pot for planting in saline-alkali soil in this embodiment, a plurality of third air holes 112 are provided at the bottom of the inner nutrient pot body 11 .

[0074] The bottom of the outer nutrient pot body 12 is provided with a plurality of fourth air holes 122 penetrating therethrough.

[0075] The plurality of third air holes 112 and the plurality of fourth air holes 122 are evenly arranged along the circumferential direction, and the third air holes 112 and the fourth air holes 122 are staggered in the circumferential direction.

[0076] The diameters of the first air holes 111 , the second air holes 121 , the third air holes 112 and the fourth air holes 122 are generally 8 mm to 10 mm.

[0077] Embodiment 2

[0078] The invention also provides a method for manufacturing a nutrient pot for planting in saline-alkali soil.

[0079] The method for manufacturing the nutrient pots for planting in saline-alkali soil of the present embodiment includes manufacturing the inner nutrient pot body and the outer nutrient pot body, and comprises the following steps:

[0080] The manufacturing process of the inner nutrient pot is as follows:

[0081] S1 raw material preparation:

[0082] S11: Mix dehydrated municipal sludge, animal excrement, and straw according to a mass ratio and stir evenly to obtain a transition mixture for the inner layer nutrient pot body.

[0083] Specifically, dehydrated municipal sludge with a moisture content of 80%, animal feces with a moisture content of 80%, and rice straw cut into a length of about 30 mm are mixed and stirred evenly in a mass ratio of 23:22:5 to obtain a transition mixture for the inner layer nutrient pot body.

[0084] S12 ferments the transition mixture of the inner nutrient pot body for 27 days, and the transition mixture at this time has substantially no other peculiar smell.

[0085] S13 then air-dries the fermented transition mixture until the moisture content of the transition mixture reaches 30%.

[0086] S14: Wood ash, plant starch, straw fiber powder, polylactic acid, glycerol, saline-alkali soil, and transition mixture are mixed and stirred evenly according to the mass ratio, and allowed to stand for a certain period of time to obtain the raw materials for preparing the inner layer nutrient pot body.

[0087] Specifically, wood ash, plant starch, straw fiber powder, polylactic acid, glycerol, saline-alkali soil, and a transition mixture (dehydrated municipal sludge, animal feces, and straw) that has been dried in the sun are mixed in a mass ratio of 15:14:12:4:5:10:23:22:5, that is, 15 parts of wood ash, 14 parts of plant starch, 12 parts of straw fiber powder, 4 parts of polylactic acid, 5 parts of glycerol, 10 parts of saline-alkali soil, and 50 parts of the transition mixture (23 parts of dehydrated municipal sludge, 22 parts of animal feces, and 5 parts of straw) are mixed, stirred evenly, and allowed to stand for 48 hours to obtain the raw material for preparing the inner layer nutrient pot body.

[0088] S2 Production

[0089] The prepared raw materials are hot-pressed by a hot press to obtain an inner layer nutrient pot body.

[0090] Specifically, a suitable mold is selected and a hot press is used. The raw materials for preparing the inner layer nutrient pot body are kept at a pressure of 0.254 MPa and a temperature of 160° C. for 20 minutes to obtain an extruded inner layer nutrient pot body.

[0091] The manufacturing process of the outer layer nutrient pot is similar to that of the inner layer nutrient pot, as follows:

[0092] S1 raw material preparation:

[0093] S11: Mix dehydrated municipal sludge, animal excrement, and straw according to a mass ratio and stir evenly to obtain a transition mixture for an outer layer nutrient pot body.

[0094] Specifically, dehydrated municipal sludge with a moisture content of 80%, animal feces with a moisture content of 80%, and rice straw cut into a length of about 30 mm are mixed and stirred evenly in a mass ratio of 13:12:5 to obtain a transition mixture for the outer layer nutrient pot body.

[0095] S12 ferments the transition mixture of the outer nutrient pot body for 27 days, and the transition mixture at this time has substantially no other peculiar smell.

[0096] S13: drying the fermented transition mixture in the sun to dehydrate it until the moisture content of the transition mixture reaches 30%.

[0097] S14: Mix and stir wood ash, plant starch, straw fiber powder, polylactic acid, glycerol, saline-alkali soil, and a transition mixture of the outer nutrient pot body (dehydrated municipal sludge, animal manure, and straw) in a mass ratio, and let it stand for a certain period of time to obtain the raw materials for preparing the outer nutrient pot body.

[0098] Specifically, wood ash, plant starch, straw fiber powder, polylactic acid, glycerol, saline-alkali soil, and a transition mixture (dehydrated municipal sludge, animal feces, and rice straw) that has been dried in the sun are mixed in a mass ratio of 15:14:12:4:5:20:13:12:5, that is, 15 parts of wood ash, 14 parts of plant starch, 12 parts of straw fiber powder, 4 parts of polylactic acid, 5 parts of glycerol, 20 parts of saline-alkali soil, and 30 parts of the transition mixture (13 parts of dehydrated municipal sludge, 12 parts of animal feces, and 5 parts of rice straw) are mixed and stirred evenly to obtain the raw material for preparing the outer layer nutrient pot body.

[0099] S2 Production

[0100] The prepared raw materials are hot-pressed by a hot press to obtain an outer layer nutrient pot body.

[0101] Specifically, a suitable mold is selected and a hot press is used. The raw materials for preparing the inner layer nutrient pot body are kept at a pressure of 0.254 MPa and a temperature of 160° C. for 20 minutes to obtain an extruded inner layer nutrient pot body.

[0102] The outer nutrient pot body is sleeved on the outer side of the inner nutrient pot body to obtain the nutrient pot.

[0103] In the present invention, unless otherwise clearly specified and limited, a first feature being “on” or “under” a second feature may mean that the first feature and the second feature are in direct contact, or the first feature and the second feature are in indirect contact via an intermediate medium.

[0104] Moreover, the first feature being “above”, “above”, and “above” the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being “below”, “below”, and “below” the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0105] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0106] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A nutrient pot for planting in saline-alkali soil, characterized in that: include: An inner nutrient pot body and an outer nutrient pot body; The inner layer nutrient pot body and the outer layer nutrient pot body are both in a cone shape with a larger top and a smaller bottom, and the outer layer nutrient pot body is sleeved on the outer side of the inner layer nutrient pot body and fits with the inner layer nutrient pot body; The inner layer nutrient pot body and the outer layer nutrient pot body are both made of a degradable material mixed with plant ash, plant starch, straw fiber powder, dehydrated municipal sludge, polylactic acid, glycerol, animal feces, and straw, and the degradable material of the outer layer nutrient pot body is mixed with saline-alkali land soil; The inner nutrient pot body is used to load nutrient soil for growing plants; The nutrient pot is used for being buried in saline-alkali soil.

2. The nutrient pot for planting in saline-alkali soil according to claim 1, characterized in that: The degradable material of the inner nutrient pot body is mixed with saline-alkali soil, and the content of the saline-alkali soil is lower than the content of the saline-alkali soil mixed in the degradable material of the outer nutrient pot body.

3. The nutrient pot for planting in saline-alkali soil according to claim 2, characterized in that: The mass ratios of plant ash, plant starch, straw fiber powder, dehydrated municipal sludge, polylactic acid, glycerol, animal feces, straw, and saline-alkali soil in the inner nutrient pot are 12-18, 8-20, 6-18, 18-28, 2-6, 4-6, 18-26, 4-6, and 5-15; The mass ratios of wood ash, plant starch, straw fiber powder, dehydrated municipal sludge, polylactic acid, glycerol, animal feces, straw, and saline-alkali soil in the outer nutrient pot are 12-18, 8-20, 6-18, 8-18, 2-6, 4-6, 8-16, 4-6, and 15-25.

4. The nutrient pot for planting in saline-alkali soil according to claim 1, characterized in that: Also includes: Bowl mouth fixing sleeve; The bowl mouth fixing sleeve is arranged on the top of the outer nutrient bowl body to tighten the outer nutrient bowl body, and the bowl mouth fixing sleeve is made of a degradable material.

5. The nutrient pot for planting in saline-alkali soil according to claim 4, characterized in that: The material of the bowl mouth fixing sleeve is straw.

6. The nutrient pot for planting in saline-alkali soil according to claim 1, characterized in that: The side wall of the inner nutrient pot body is provided with a plurality of first air holes, and the side wall of the outer nutrient pot body is provided with a plurality of second air holes; The first air vent and the second air vent are arranged within two-thirds of the height of the bowl body from the bottom surface.

7. The nutrient pot for planting in saline-alkali soil according to claim 6, characterized in that: The first air holes and the second air holes are both provided with multiple layers, the first air holes and the second air holes in each layer are evenly arranged in the circumferential direction, and the first air holes and the second air holes are staggered in the circumferential direction.

8. The nutrient pot for planting in saline-alkali soil according to claim 1, characterized in that: The bottom of the inner nutrient pot body is provided with a plurality of third air holes; The bottom of the outer nutrient pot body is provided with a plurality of fourth air holes; The plurality of third air holes and the plurality of fourth air holes are evenly distributed along the circumferential direction, and the third air holes and the fourth air holes are staggered.

9. A method for manufacturing a nutrient pot for planting in saline-alkali soil as claimed in claim 3, comprising manufacturing an inner nutrient pot body and an outer nutrient pot body, characterized in that: The following steps are involved: S1 raw material preparation: S11: mixing dehydrated municipal sludge, animal feces, and rice straw according to a mass ratio and stirring evenly to obtain a transition mixture of an inner layer nutrient pot body and an outer layer nutrient pot body; S12 ferments the transition mixture for a certain period of time; S13 air-drying the fermented transition mixture; S14: mixing plant ash, plant starch, straw fiber powder, polylactic acid, glycerin, saline-alkali soil, and the transition mixture after drying according to a mass ratio and stirring evenly, and standing for a certain period of time to obtain raw materials for preparing an inner layer nutrient pot body and an outer layer nutrient pot body; S2 Production The prepared raw materials are hot-pressed by a hot press to obtain an inner layer nutrient pot body and an outer layer nutrient pot body.

10. The method for manufacturing nutrient pots for planting in saline-alkali soil according to claim 9, characterized in that: In step S11, the moisture content of the dehydrated municipal sludge and the animal feces is 80%, and the length of the rice straw is 30 mm; In step S12, the fermentation time of the transition mixture is 27 days; In step S13, the transition mixture is air-dried until the moisture content is 28-30%; In step S14, the particle sizes of the plant starch and the straw fiber powder are less than 1 mm, and the mixture is left to stand for 48 hours; In step S2, during hot pressing, the pressure is 0.2-0.3 MPa, the temperature is 120-180°C, and the holding time is 15-25 minutes.

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