CN115039597A

CN115039597A - Substrate bag and soilless culture method for desert crops based on substrate bag

Info

Publication number: CN115039597A
Application number: CN202210623184.1A
Authority: CN
Inventors: 于仕民; 南颖; 陶娅; 于绪革
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-09-13

Abstract

The application relates to the field of desert plant cultivation, in particular to a substrate bag and a desert crop soilless cultivation method based on the substrate bag. A substrate bag comprises a bag body, wherein a plurality of arc-shaped easy-to-tear lines are arranged on the upper surface of the bag body and are arranged at intervals along the length direction of the bag body, and one end of the substrate bag is provided with an opening for filling a substrate. A soilless culture method for desert crops based on substrate bags comprises the following steps: sterilizing the matrix, namely filling the matrix into a matrix bag, tearing the easy-to-tear line to expose the matrix, and planting; transporting the substrate bag to a cultivation place; and (3) paving a drip irrigation tape on the matrix bag for irrigation, paving a recovery component for recovering the leaked water at the bottom of the matrix bag, and maintaining the crops at regular intervals. It can effectually protect water and protect fertile, avoids wasting water resource and fertilizer when desert is planted, and the matrix bag can also keep apart the matrix in external saline and alkaline earth and the matrix bag to avoid the harm of soil salinization to crops.

Description

Substrate bag and soilless culture method for desert crops based on substrate bag

Technical Field

The application relates to the field of desert plant cultivation, in particular to a substrate bag and a desert crop soilless cultivation method based on the substrate bag.

Background

The gobi desert is one of huge desert and semi-desert areas in the world and occupies one fourth of the land area of the world. The temperature is dry and the rain is less in the desert all the year round, and when crops are planted on the desert, a large amount of water is needed for irrigation to ensure the normal growth of the crops. However, the water and soil loss of the desert is serious, a large amount of irrigation water leaks to the bottom of the land, and a part of water is evaporated due to dry temperature, and only a small part of water can be utilized by crops, so that great water resource waste is caused.

In addition, the salinization of desert soil is severe. The salinization of soil refers to the process that salt in the bottom layer of soil or underground water rises to the ground surface along with capillary water, and salt is accumulated in surface soil after water is evaporated. Refers to the phenomenon or process of accumulation of easily soluble salt on the surface of soil, also known as salinization. Salinization of soil can reduce the utilization rate of soil nutrients, the content of organic matters and the soil fertility, thereby influencing the normal growth and reproduction of plants and influencing the yield and quality of crops.

Currently, the methods for improving soil salinization in desert mainly include the following: chemical improvement, material improvement, biological improvement, organic fertilizer application improvement, plough layer replacement or deep tillage improvement and the like, and the cost of the soil improvement measures is high due to the wide desert area, and the risk of influencing the ecological environment is also caused.

In irrigation, mainly by means of drip irrigation, the leakage and loss of moisture cannot be avoided.

Disclosure of Invention

An object of this application is to provide a matrix bag, it can effectual water conservation, avoids the water waste, and in addition, the matrix bag separates the matrix in external saline-alkali soil and the matrix bag, can avoid the salt stain on earth's surface to the harm of crops, can promote desert land utilization.

Another objective of the present application is to provide a soilless culture method for desert crops based on the substrate bag, which uses the substrate bag in cooperation with drip irrigation to realize the effects of retaining water and fertilizer and avoiding the loss of water and fertilizer. The matrix bag separates the external saline-alkali soil from the matrix in the matrix bag, so that the damage of the saline on the ground surface to crops can be avoided, and the weed breeding is reduced. In addition, it is favorable to mechanized operation, labour saving and time saving.

The technical problem to be solved by the application is solved by adopting the following technical scheme.

On the one hand, this application embodiment provides a matrix bag, and it includes the bag body, and above-mentioned bag body upper surface is equipped with many arcs and easily tears the line, and many above-mentioned easily tear the line and arrange along the length direction interval of above-mentioned bag body, and the one end of above-mentioned bag body is equipped with the opening that is used for packing into the matrix.

On the other hand, the embodiment of the application provides a soilless culture method for desert crops based on substrate bags, which comprises the following steps:

step S1, after the substrate is disinfected, placing the substrate into a substrate bag, tearing the easy-to-tear line to expose the substrate, and planting seeds or seedlings on the substrate;

step S2, transporting the substrate bag to a cultivation place;

and step S3, laying a drip irrigation tape on the matrix bag for irrigation, laying a recovery component for recovering the leaked water at the bottom of the matrix bag, and periodically applying fertilizer and weeding to maintain the crops.

Compared with the prior art, the embodiment of the application has at least the following advantages or beneficial effects:

1. the application provides a matrix bag, it can be effectual to protect water and protect fertile, avoids wasting water resource and fertilizer when desert is planted. In addition, the matrix bag can also keep apart the matrix in external saline-alkali soil and the matrix bag to avoid soil salinization to the harm of crops, can also reduce weeds and breed. The matrix bag is suitable for large-scale use, is convenient for mechanized operation, and can improve the utilization rate of desert land.

2. The application provides a desert crop soilless culture method based on a matrix bag, which can realize the effects of water retention and fertilizer retention in dry places such as deserts, photovoltaic power stations and the like with serious water and soil loss by matching the matrix bag with drip irrigation. Simultaneously, the matrix bag can also keep apart the matrix in external saline-alkali soil and the matrix bag to avoid soil salinization to the harm of crops, be particularly useful for carrying out the factory production operation in planting places such as desert, photovoltaic power plant. In addition, compared with the conventional field planting, the matrix bag planting can improve the crop yield and greatly relieve the pressure of agricultural cultivated land.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required 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 application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic view of a substrate bag according to example 1 of the present application;

FIG. 2 is a top view of a substrate bag as provided in example 1 of the present application;

FIG. 3 is a top view of a substrate bag as provided in example 2 of the present application;

fig. 4 is a top view of a substrate bag provided in example 3 of the present application.

Icon: 100-bag body, 210-easy-to-tear line, 220-pull ring and 300-drain hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to specific examples.

On the one hand, this application embodiment provides a matrix bag, and it includes the bag body, and above-mentioned bag body upper surface is equipped with many arcs and easily tears the line, and many above-mentioned easily tear the line and arrange along the length direction interval of above-mentioned bag body, and the one end of above-mentioned bag body is equipped with the opening that is used for packing into the matrix. The easy-to-tear line is convenient to tear and is used for tearing the matrix bag and exposing the planting area, so that subsequent operations such as planting, fertilizing and irrigating are facilitated. Many easy tear lines are arranged along the length direction interval of above-mentioned bag body, so, can guarantee to leave certain interval between the adjacent planting region, are favorable to the growth of plant to be developed. One end of the substrate bag is provided with an opening, the substrate can be filled from the opening, and the filled substrate is not easy to expose due to the easy-tearing line, so that the substrate waste is avoided, and the operation is convenient.

In some embodiments of the present application, the tear line is provided with a pull tab to facilitate tearing of the tear line. The setting of pull ring more conveniently tears easily to tear the line, convenience of customers operation.

In some embodiments of the present application, the pouch body has a length of 5 to 30 m. This application sets up to 5-30m through the length with the bag body, so, the user can select the matrix bag of suitable length to use according to the size in plant plot, but the number of times of the filling matrix that significantly reduces saves the labour.

In some embodiments of the present application, the pouch has a diameter of 30-60 cm. The diameter of the bag body is 30-60cm, which is suitable for most crops.

In some embodiments of this application, above-mentioned bag body is equipped with a plurality of wash ports that are used for the infiltration this application through set up a plurality of wash ports on the bag body, so, the ventilative performance of permeating water of the bag body strengthens, is favorable to the growth of plant to be developed.

In some embodiments of the present application, the distance between adjacent said tear lines is 10-40 cm. The easy-tear lines are torn to expose the planting areas, and when the distance between every two adjacent easy-tear lines is 10-40cm, the distance between every two adjacent planting areas is suitable for the growth and development of most crops.

step S2, transporting the substrate bag to a cultivation place;

Soilless culture refers to a culture method in which water, grass carbon or forest leaf mold, vermiculite and other media are used as substrates for fixing plants, and the plant roots can directly contact with nutrient solution. The soilless culture is characterized in that the artificially created root growth environment of the crops replaces the soil environment, the requirements of the crops on the conditions of nutrients, moisture, air and the like can be met, and the requirements on the conditions are controlled and adjusted to promote the crops to grow better. Therefore, the crops cultivated without soil usually grow well, the yield is high, and the quality is superior.

In addition, the soilless culture breaks away from the limitation of soil, greatly expands the space of agricultural production, enables crops to grow on the green land, and has wide development prospect.

Ploughing the soil top layer, can alleviate the harm of soil salinization to crops to a certain extent, however, when irrigation watering, water can permeate to the soil bottom to with the salinization contact of soil bottom, under the high temperature, the salinization volatilizes along with the moisture, can return to the soil top layer again, causes the condition of alkali-returning. In general, the surface soil of the soil is changed into alkali again 3-5 years after the cultivation. And when adopting the matrix bag to plant, adopt organic matrix in the matrix bag, the matrix bag can keep apart external saline-alkali soil and inside organic matrix, and the volatilization of external saline-alkali can not cause the alkali that returns of the inside organic matrix of matrix bag, so, has avoided the influence of external soil salinization to crops in the matrix bag. In addition, compared with large-scale tillage of deserted land, the mode of adopting the matrix bag saves cost more and is beneficial to implementation.

At present, the matrix bag is mostly applied to zones with good temperature and humidity environments, and is not applied to regions with severe environments such as deserts, photovoltaic power stations and the like. This application is through the innovation with perfect matrix bag's structure and function to drip irrigation with matrix bag and water conservation and combine together, plant crops with it in the desert, realize the efficiency of moisturizing fertile, can also avoid soil salinization to the harm of crops, still removed the operation of ploughing from, save the labour greatly, this is a big innovation of desert planting crops.

The matrix is subjected to industrial production and industrial filling, after the seedlings are sowed in an industrial dibbling mode, the matrix bag is transferred to a cultivation place, the recovery component is paved at the bottom of the matrix bag in advance and used for recovering water leakage, the water leakage cannot flow to the bottom of the ground, the water leakage can be recycled, and water is saved. Then, the matrix bag is put well, a drip irrigation tape is laid, and maintenance work such as fertilization, weeding and the like is carried out regularly.

Drip irrigation can obtain the maximum yield or income with the minimum water consumption, namely irrigation measures for improving the crop yield and output value of unit irrigation water to the maximum extent. The matrix bag is also matched with drip irrigation, can save water to the maximum extent, and is particularly suitable for planting desert crops.

In the conventional field planting, 75% of water and fertilizer leaks to the ground bottom, and 15% of water and fertilizer volatilizes, so that the great resource waste is caused. And the matrix bag cultivation is adopted, the leakage is basically 0, the volatilization is also greatly reduced, and the resource waste is avoided.

In addition, more than 25% of the land in the world is a desert area, and if the crops are planted in a matrix bag planting mode, the pressure of agricultural cultivated land is greatly relieved.

In some embodiments of the present application, in the step S1, the substrate sterilization process is performed by uv sterilization. The method adopts a physical consumption mode to disinfect the substrate, and the sterilized substrate has almost no soil-borne diseases.

In some embodiments of the present application, in the step S2, a planting hole is dug out of the substrate, the biological water-retaining agent is soaked and then uniformly mixed with the substrate, and then the mixture is applied to the planting hole for planting.

The biological water-retaining agent is a novel multifunctional preparation rich in nano-scale biological strains, has the performance of absorbing and storing water, can rapidly absorb and maintain water which is hundreds of times of the self weight, generates gel after water absorption and expansion, and is not easy to separate the water. 85-90% of the water held by the water-retaining agent is free water, and the water held by the water-retaining agent can be slowly released to crops when the environment is dry. It is characterized in that: the water absorption capacity is strong, and the water absorption capacity can absorb about 200 times of the self weight; the water absorption speed is high, and the water can be saturated in a short time; the water retention capacity is strong, and the water can be kept to be slowly released; the water releasing performance is good, and the absorbed water can be fully utilized by crops; especially, the fertilizer is efficiently compounded with nano-scale biological strains, so that the effective utilization rate of the fertilizer is improved, and the using amount of the fertilizer can be reduced by 30-50%. Improve soil, increase yield by more than 30%, and improve crop quality. When the desert is planted, the biological water-retaining agent is added to further improve the water-retaining and fertilizer-retaining effects.

In some embodiments of the present application, the method further comprises recycling the used substrate after the step S3, sterilizing the used substrate again for use, and recycling the substrate bag for reuse. The used matrix can be sterilized again for later use, so that the cost is saved, and the performance of the matrix is not influenced.

The matrix can be completely processed to realize factory production and sterilization. The filling and planting of the substrate bags can be mechanized, and the laying of the substrate bags is mechanized, so that the mode of adopting the substrate bags to carry out the soilless culture of crops can basically realize factory, mechanization and large-scale popularization.

The features and properties of the present application are described in further detail below with reference to examples.

Example 1

Referring to fig. 1, the bag 100 includes a plurality of easy-to-tear lines 210 on an upper surface of the bag 100, the easy-to-tear lines 210 are arranged at intervals along a length direction of the bag 100, and an opening for loading a substrate is formed at one end of the bag 100. The easy-to-tear line 210 is convenient to tear and is used for tearing the matrix bag to expose the planting area, so that subsequent operations of planting, fertilizing, irrigating and the like are facilitated. One end of the substrate bag is provided with an opening, which is convenient for filling the substrate. The arrangement of the easy-tearing line 210 enables the loaded matrix to be not exposed easily, matrix waste is avoided, and the matrix is torn out of the planting area.

It should be noted that the number of the easy-to-tear lines 210 is not limited in the present application, and may be 3, 10, 20, etc

In this embodiment, the tear line 210 is provided with a pull ring 220 for facilitating tearing of the tear line 210. This application is through setting up pull ring 220 for the user can tear easily and tear line 210 more conveniently, thereby improves work efficiency.

In this embodiment, the length of the bag 100 is 15 m. Present matrix bag body 100's length is shorter, needs a lot of filling matrix, is unfavorable for mechanized operation, and this application sets up to 15m through the length with bag body 100, and the labour is saved to the number of times of the filling matrix that can significantly reduce. In addition, because the bag body 100 is long, after the bag body 100 is filled with the substrate, the weight of the bag body 100 is increased, manual carrying is inconvenient, the bag body can be carried by adopting a carrying mechanical arm, the substrate can be carried to a transport tool, such as a truck, and the like, so that the mechanical carrying of the substrate can be realized, and the large-scale cultivation of crops is facilitated.

In other embodiments of the present application, the length of the bag 100 may be 10m, 20m, or the like, and may be set according to the actual situation of the cultivation site.

In this embodiment, the diameter of the bag body 100 is 40 cm. The bag 100 is suitable for most crops when the diameter is 40 cm.

It should be noted that the diameter of the bag 100 can be set according to the requirements of different crop roots.

In this embodiment, the sidewall of the bag 100 is provided with a plurality of water discharge holes 300 for water permeation. If the water discharge hole 300 is not provided, moisture in the bag 100 is accumulated, and the air cannot be discharged, and the air permeability is poor, which may affect the growth and development of crops. This application is through setting up a plurality of wash ports 300 on the bag body 100, so, the ventilative performance of permeating water of the bag body 100 strengthens, is favorable to the growth of plant to be developed.

It should be noted that in other embodiments of the present application, the drainage hole 300 may also be disposed at the bottom of the bag body 100. In addition, the drain holes 300 may be formed on both the side wall and the bottom of the bag body 100.

It should be noted that the number of the drain holes 300 is not limited in the present application, and may be 3, 7, 10, or the like.

In this embodiment, the distance between adjacent tear lines 210 is 10-40 cm. Crops are planted and cannot be overcrowded, otherwise, the crops can be influenced to draw sunlight for photosynthesis, the easy-to-tear lines 210 can expose the planting area after being torn, when the distance between every two adjacent easy-to-tear lines 210 is 10-40cm, the spacing of the planting area is suitable for the growth and development of most of crops, the growth and development of the crops cannot be limited due to overcrowding, the crop yield is influenced, and space waste cannot be caused due to overlarge spacing.

Example 2

Referring to fig. 3, the present embodiment provides a substrate bag, which is substantially the same as embodiment 1 except that: in this embodiment, a plurality of zippers are provided at the top of the bag 100, and the plurality of zippers are spaced along the length direction of the bag 100, so that the planting area can be exposed by unzipping the zippers.

This application sets up the zip fastener through the demonstration at bag body 100 top, and the zip fastener is conveniently pulled open and is exposed planting area, convenient operation.

Example 3

Referring to fig. 4, the present embodiment provides a substrate bag, which is substantially the same as embodiment 1 except that: in this embodiment, the easy-to-tear line 210 is rectangular, and after tearing, a rectangular planting area is exposed.

Example 4

The embodiment provides a soilless culture method for desert crops based on the substrate bag in the embodiment 1, which comprises the following steps:

step S1, after the substrate is sterilized at high temperature, the substrate is put into a substrate bag, the easy-to-tear line 210 is torn open to expose the substrate, and the seeds are sown on the substrate;

step S2, transporting the substrate bag to a cultivation place;

and step S3, laying a drip irrigation tape on the matrix bag for irrigation, laying a recovery component for recovering the leaked water at the bottom of the matrix bag, and periodically applying fertilizer and weeding to maintain crops.

Example 5

step S1, after ultraviolet disinfection treatment is carried out on the matrix, the matrix is put into a matrix bag, the easy-to-tear line 210 is torn to expose the matrix, the matrix is dug out of a planting hole, the biological water-retaining agent is soaked and then evenly mixed with the matrix to be applied into the planting hole, and then seeds are planted on the matrix;

step S2, transporting the substrate bag to a cultivation place;

Step S4, after one growth cycle of the crop, the substrate is recovered and again subjected to uv disinfection for further use.

Comparative example

This embodiment provides a conventional cotton cultivation method, which includes:

after deep ploughing the soil, digging out a ditch hole, digging out a planting pit hole, soaking the biological water-retaining agent, uniformly stirring the biological water-retaining agent and the matrix, applying the mixture to the planting pit, and sowing seeds on the matrix;

laying a drip irrigation tape, irrigating, laying a recovery component for recovering the leaked water at the bottom of the matrix bag, and periodically fertilizing and weeding to maintain crops.

Experimental example 1

In order to study the water and fertilizer retention effect of the substrate bag, the cotton is cultivated by adopting the planting methods provided by the embodiment 4 and the comparative example, and after one growth cycle, the water consumption and the cost generated by the two planting modes are compared.

The result shows that the water demand of the comparative example is 270 square, the water demand of example 4 mu is 110 square, and the water can be saved by more than 50 percent by adopting the mode of matching the matrix bag with the water-saving drip irrigation.

TABLE 1 comparison of the various costs incurred in growing cotton

As can be seen from table 1, the method of example 4 can save the cost of pesticide, fertilizer and water by more than 50%, and also save the cost of land plowing. In addition, according to the general vegetable planting requirement, the matrix is used for one mu of land by about 30-50 sides, the cost per mu is 15000-. If river sand matrix is used, the price is cheaper and the cost is lower.

In example 4, the matrix bags are adopted for planting, the conventional planting of the comparative example generally needs mulching films, 5 kilograms of mulching films are needed per mu, calculated according to 10 yuan per kilogram, 50 yuan/mu are needed, the dosage of the matrix bags is ten times of that of the mulching films, and the cost of the matrix bags is calculated according to 10 yuan per kilogram, 500 yuan/mu are needed.

In short, the investment cost in the early stage of matrix bag planting is slightly higher than that of the conventional field planting, for example, matrixes, matrix bags and the like need to be purchased, but the matrix bag planting can save a large amount of water and fertilizer, save the cost of 1980 yuan per mu, improve the yield, and in the long run, the economic benefit of matrix bag planting is higher, which is beneficial to the long-term development of mechanical planting.

Experimental example 2

In order to study the difference between the yield of planting in the medium bag and the yield of planting in the conventional field, garlic was simultaneously cultivated by the planting methods provided in example 4 and comparative example, and other management measures such as water consumption, fertilizer consumption, and the like were the same except for the planting manner. After one growth cycle, the yield of garlic grown by the two planting methods was compared.

TABLE 2 comparison of the costs incurred in planting garlic

	Yield per mu (kilogram)	Univalent (yuan)	Small counter (Yuan/mu)
				Comparative example	1200	4.5	5400
Example 4	1560	4.5	7020
				Aggregate increase	360	-	1620

As can be seen from Table 2, when the method of example 4 is used for planting, the yield per mu can be increased by 360 kg and the yield per mu can be increased by 1620 yuan, compared with the field planting method in the comparative example. The yield per mu is increased by about 23 percent, and the benefit is considerable under the condition of large-scale planting.

To sum up, the embodiment of the present application provides a substrate bag, which includes bag body 100, and the upper surface of bag body 100 is equipped with many arcs and easily tears line 210, and many easily tear lines 210 are arranged along the length direction interval of bag body 100, and the one end of substrate bag is equipped with the opening that is used for packing into the matrix. It can be effectual to protect water and keep fertile, avoids wasting water resource and fertilizer when desert is planted, and in addition, the matrix bag can also keep apart the matrix in external saline-alkali soil and the matrix bag to avoid soil salinization to the harm of crops. Is suitable for large-scale use and is convenient for mechanized operation. The easy-tear line 210 facilitates tearing the bag body 100 to expose the planting area.

The tear line 210 is further provided with a pull tab 220 to facilitate tearing of the tear line 210. The pull ring 220 is arranged to facilitate tearing of the tear line 210, which facilitates the operation of the user.

The length of the bag body 100 is 5-30m, and the length of the bag body is equal to the length of a common substrate bag, so that the times of filling the substrate can be reduced, and the mechanical filling is facilitated.

The embodiment of the application still provides a desolate and boundless crops soilless culture method based on matrix bag, it uses through the cooperation of matrix bag with driping irrigation, in desolate and boundless, drying such as photovoltaic power plant, the place that soil erosion is serious, can realize keeping water and protect fertile, in addition, the matrix bag can also keep apart the matrix in external saline-alkaline earth and the matrix bag, thereby avoid soil salinization to the harm of crops, can also reduce weeds and breed, be particularly useful for in desolate and boundless, plant places such as photovoltaic power plant carry out the factory work.

The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Claims

1. The substrate bag is characterized by comprising a bag body, wherein a plurality of arc-shaped easy-to-tear lines are arranged on the upper surface of the bag body and are arranged at intervals along the length direction of the bag body, and one end of the bag body is provided with an opening for filling substrates.

2. The substrate pouch of claim 1, wherein the tear line is provided with a pull tab to facilitate tearing of the tear line.

3. The substrate bag according to claim 1, wherein the bag body has a length of 5-30 m.

4. The substrate bag of claim 1, wherein the bag body has a diameter of 30-60 cm.

5. The substrate bag of claim 1, wherein the bag body is provided with a plurality of water drainage holes for water seepage.

6. The substrate pouch of claim 1, wherein the distance between adjacent tear lines is 10-40 cm.

7. A method for soilless culture of desert crops based on the substrate bag of any one of claims 1-6, characterized in that it comprises:

step S1, after the substrate is disinfected, the substrate is put into a substrate bag, the easy-to-tear line is torn open to expose the substrate, and seeds or seedlings are planted on the substrate;

step S2, transporting the substrate bag to a cultivation place;

8. The soilless culture method for desert crops as claimed in claim 7, wherein in the step S1, the substrate sterilization is performed by UV sterilization.

9. The soilless culture method for desert crops as claimed in claim 7, further comprising, in step S2, digging a planting hole in the substrate, soaking the biological water-retaining agent, uniformly mixing with the substrate, applying the mixture to the planting hole, and planting.

10. The soilless culture method for desert crops as claimed in claim 7, further comprising, after said step S3, recovering the used substrate, sterilizing again for use, and recovering the substrate bag for reuse.