KR20240071079A - Method and Apparatus for Calculating Plant Growth Indicators - Google Patents

Abstract

It relates to a method and device for calculating plant growth indicators, which refers to the flower height, which is the distance from the most recently formed flowering point of the plant to the top of the plant, or the flowering point node from the node of the most recently formed growing point of the plant. The internodal length, which is the distance to the lower node of the plant, is input, and the stem thickness, which is the average thickness of the stem below the growth point formed by the most recent bifurcation in the plant, is input, and based on the input flower height and the input stem thickness. Thus, a growth index indicating the type and intensity of plant growth is calculated, or a growth index is calculated based on the input internodal length and input stem thickness.

Description

Method and Apparatus for Calculating Plant Growth Indicators {Method and Apparatus for Calculating Plant Growth Indicators}

It relates to a method and device for calculating plant growth indicators.

The growth state of a plant can be broadly divided into vegetative growth, which increases the size of the plant's body in conditions where water and nutrients are sufficient, and reproductive growth, which blooms and bears fruit based on survival instinct in an environment where water and nutrients are limited. Growers who cultivate plants must distinguish between vegetative growth and reproductive growth, identify the degree, and quickly adjust temperature, humidity, and water supply amount when necessary to be able to grow plants of better quality and increase yield. Judgment is very important.

however. Plant Growth It is very difficult for general agricultural workers to distinguish between vegetative and reproductive growth with the naked eye. Therefore, a consultant with expertise in the level of plant growth is hired to determine the level and adjust the environment according to the advice. However, hiring a consultant to check the growth level every month is a huge burden for farmers.

Republic of Korea Patent Publication No. 10-2019-0069648, “Growth measurement method of ginseng through video image analysis,” conducts video image analysis to measure growth changes, and determines reproductive and vegetative growth based on the changes. However, judging growth through processes such as imaging, mapping, and extracting changes is an extremely cumbersome process, and if growers are not familiar with image analysis, they may have difficulty making the determination.

The aim is to provide a method and device that can calculate plant growth indicators that indicate the type and intensity of plant growth based on the plant's flower height, internode length, and stem thickness. It is not limited to the technical challenges described above, and other technical challenges may be derived from the description below.

In the method for calculating a plant growth index according to an aspect of the present invention, the flower height is the distance from the most recently formed growing point of the plant to the most recently flowered flower or the growing point node from the node of the most recently formed growing point of the plant. A step of inputting the inter-nodal length, which is the distance to the lower node of; receiving a stem thickness, which is the average thickness of the stem below the growth point formed by the most recent bifurcation of the plant; And calculating a growth index indicating the type and intensity of growth of the plant based on the input flower height and the input stem thickness, or calculating the growth indicator based on the input internodal length and the input stem thickness. It is characterized by including the step of:

The step of calculating the growth index is by applying a plurality of correction constants to the input flower height and the input stem thickness so that if the growth index is a positive number, it indicates vegetative growth, and if it is a negative number, it indicates reproductive growth. The growth index can be calculated by calculating or applying a plurality of correction constants to the input internodal length and the input stem thickness so that if the growth index is a positive number, it indicates vegetative growth, and if it is a negative number, it indicates reproductive growth. there is.

The step of calculating the growth index calculates the growth index by applying the average flower height and stem thickness of the population of the plant along with the plurality of correction constants to the input flower height and the input stem thickness, or the input The growth index can be calculated by applying the average internodal length and stem thickness of the population of the plant along with the plurality of correction constants to the input internodal length and stem thickness.

In the step of calculating the growth index, the growth index can be calculated using Equation 1 below.

[Equation 1]

(z is the growth index, These are correction constants for the above plurality.)

If the value of the growth index “z” is positive, it indicates that the plant is growing vegetatively, and if the value of the growth indicator “z” is negative, it can indicate that the plant is growing reproductively.

The absolute value size of the growth index may indicate the intensity of vegetative growth of the plant if the value of the growth index “z” is positive, and may indicate the intensity of reproductive growth of the plant if the value of the growth index “z” is negative.

If the plant is a tomato or paprika, the step of calculating the growth indicator may calculate a growth indicator indicating the type and intensity of growth of the plant based on the input flower height and the input stem thickness.

When the plant is a cucumber, the step of calculating the growth index may calculate a growth index indicating the type and intensity of growth of the plant based on the input internodal length and the input stem thickness.

In the plant growth index calculation device according to one aspect of the present invention, the flower height is the distance from the most recently formed growth point of the plant to the top of the plant from the most recently flowered flower or A growing point input unit that receives an inter-nodal length, which is the distance from the node of the most recently formed growing point of the plant to the lower node of the growing point node; a thickness input unit that receives the stem thickness, which is the average thickness of the stem below the growth point formed by the most recent bifurcation of the plant; And calculating a growth index indicating the type and intensity of growth of the plant based on the input flower height and the input stem thickness, or calculating the growth indicator based on the input internodal length and the input stem thickness. It includes a calculation unit that does.

The goal is to provide a method and device for easily calculating plant growth indicators by measuring flower height, inter-nodal length, and stem thickness, even for farmers without expert knowledge about plant growth.

Figure 1 is a flowchart of a method for calculating plant growth indicators according to an embodiment of the present invention.
Figure 2 is a flowchart of a plant growth index calculation device according to an embodiment of the present invention.
Figure 3 is a diagram showing a method of measuring flower height, internode length, and stem thickness to be input in the method for calculating plant growth indicators according to an embodiment of the present invention.
Figure 4 is a photograph of an example of actual measurement of flower height, internodal length, and stem thickness to be input in the method for calculating plant growth indicators according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

Figure 1 is a flowchart of a method for calculating plant growth indicators according to an embodiment of the present invention. Referring to Figure 1, the method for calculating plant growth indicators according to an embodiment of the present invention includes a step of measuring stem thickness (11), a step of measuring flower height or internodal length (12), and reading the average stem thickness. Step (21), reading the average flower height and average internode length (22), reading the correction constant A (31), reading the correction constant B (32), and calculating the growth index. It consists of step 40:

The method for calculating plant growth indices according to an embodiment of the present invention first goes through the steps of measuring the stem thickness (11), the flower height, and the inter-node length (12), and then the inter-node length X and the stem thickness Y After measuring, receive input. Flower height is the distance from the most recently formed growing point of the plant to the top of the plant, and inter-node length is the distance from the node of the most recently formed growing point of the plant to the lower node of the growing point node. ( Claim 1) Flower height or internode length varies depending on the type of plant. If the plant is a tomato or paprika, the flower bed height is input, and if the plant is a cucumber, the length between nodes is input. At this time, in the case of tomatoes or paprika, the inflorescence height becomes X, and in the case of cucumbers, the length between nodes becomes X. The measured flower height and internode length are input into the growing point input section. After receiving the flower height or inter-nodal length, the stem thickness of the plant for which the flower cell height or inter-nodal length was input is input. Stem thickness is the average thickness of the stem below the growing point where the plant most recently split into two branches.

Figure 3 is a diagram showing a method of measuring flower height, internode length, and stem thickness to be input in the method for calculating plant growth indicators according to an embodiment of the present invention. Figure 3a shows a method of measuring flower height and stem thickness when the plant is a tomato or paprika, and Figure 3b shows a method of measuring the inter-nodal length and stem thickness when the plant is a cucumber. As shown in Figure 3a, the distance from the most recently formed growth point of tomato or paprika to the top of the plant from the most recently flowered flower is called flower height, and the average thickness of the stem below the growing point is called stem thickness. As shown in Figure 3b, the distance from the node of the most recently formed growing point of the cucumber to the lower node of the growing point node is defined as the inter-nodal length. As in Figure 3a, the average thickness of the stem below the most recently formed growth point is called stem thickness.

Figure 4 is an actual photograph of an example of measuring flower height, internode length, and stem thickness in the method for calculating plant growth indicators according to an embodiment of the present invention. Figures 4A and 4B are pictures when Figure 3A is applied to an actual plant, a tomato, and Figure 4C is a picture when Figure 3B is applied to an actual cucumber plant. Referring to Figure 4A, the circled area is the flower room, the distance from the flower room to the top is indicated by a straight line, and the length of the straight line is the flower room height. Referring to Figure 4B, the stem of the growing point with flower heads is indicated, and the thickness of the stem portion is the stem thickness. Figure 4C shows the inter-node length and stem thickness of the cucumber, and the inter-node length is expressed as a straight line from the node of the most recently bifurcated growing point to the lower node of the growing point node, at the bottom of the circle in Figure 4C. The number measuring the thickness of the stem near the circle is the stem thickness. Because plant stems do not have a constant thickness like cylinders, it is difficult to measure the exact stem thickness. Therefore, when measuring stem thickness, it is advisable to divide the vicinity of the stem to be measured into at least 3 parts, measure the thickness of all 3 parts, and then use the average value as the stem thickness.

Once the flower bed height or internode length and stem thickness are input, the growth index can be calculated based on the input values. The step of calculating the growth index calculates a growth index that indicates the type and intensity of plant growth based on the input flower height and input stem thickness, or calculates a growth indicator based on the input internode length and input stem thickness. do. The growth index is the same as Equation 1 and z in Figure 1. Calculation of the growth index is carried out in the calculation unit, and the growth index z is calculated using Equation 1 below.

[Equation 1]

In Equation 1, z is a growth index, If the growth index “z” value is positive, it indicates that the plant is growing vegetatively, and if it is negative, it indicates that the plant is growing reproductively. The absolute value of the growth indicator indicates the intensity of the plant's vegetative growth if the value of the growth indicator “z” is positive, and if the value of the growth indicator “z” is negative, the intensity of the plant’s reproductive growth. The larger the absolute value of the growth indicator, the stronger the intensity of reproductive or vegetative growth. represents.

In the step 40 of calculating the growth indicator, if the plant is a tomato or paprika, a growth indicator is calculated based on the input flower height and the input stem thickness, and for cucumber, a growth indicator indicating the type and intensity of growth of the input plant is calculated, If the plant is a cucumber, a growth index indicating the type and intensity of the plant's growth is calculated based on the input internodal length and input stem thickness.

The growth index z can be calculated using Equation 1 by substituting the correction constant. The correction constant read through the step 31 of reading the correction constant A and the step 32 of reading the correction constant B is used. The growth index is calculated by applying the average flower height or the average inter-node length and average stem thickness of the plant population along with a plurality of correction constants to the input flower height and input stem thickness, or Growth indices are calculated by applying the average internodal length and stem thickness of the plant population along with multiple correction constants. At this time, the step 21 of reading the average stem thickness and the step 22 of reading the average flower height or average internode length are the step 31 of reading the correction constant A and the correction constant B as shown in Figure 1. This is performed before the reading step (32).

The step 40 of calculating the growth index calculates the growth index by applying a plurality of correction constants to indicate vegetative growth if the growth index is a positive number, and reproductive growth if the growth index is a negative number, or calculates the growth index by applying the input internodal length and the input stem. The growth index is calculated by applying a plurality of correction constants to the thickness so that if the growth index is positive, it indicates vegetative growth, and if it is negative, it indicates reproductive growth.

The calculation unit transmits the calculated growth indicators to the output unit, and the output unit outputs the received growth indicators on a display screen, etc. to display the growth indicators to agricultural workers.

Figure 2 is a flowchart of a plant growth index calculation device according to an embodiment of the present invention. Referring to FIG. 4, the device for calculating plant growth indicators according to an embodiment of the present invention includes a growing point input unit 100, a thickness input unit 200, a storage 300, a reading unit 400, a calculating unit 500, and It consists of an output unit 600.

The growing point input unit 100 receives the flower height or internodal length of the plant for which the growth index is to be measured.

The thickness input unit 200 receives the stem thickness of the plant for which the growth index is to be measured. The growth point input unit 100 and the thickness input unit 200 are parts where the user inputs values, so they may be a keyboard or a user terminal.

The storage 300 stores a plurality of correction constants a, b, A, and B for each type of plant so that if the growth index is a positive number, it indicates vegetative growth, and if the growth index is a negative number, it indicates reproductive growth. Each correction constant is stored in the readout unit. is read by At this time, a is the average stem thickness of the plant population for each type of plant, b is the average flower height or average internodal length, A represents vegetative growth when the value of z is positive, and reproductive growth when the value of z is negative. It is a constant for each value, and each value is stored in storage. A and B are constants calculated by substituting z = 1, which is a case of very strong vegetative growth, into Equation 1, substituting a and b, the average values for each plant, and ensuring that both sides are 0.5. For example, if the plant is a tomato, A may be 0.0175, B may be 0.009333, a may be 11, and b may be 17.5; if the plant is a paprika, A may be 0.018, B may be 0.0257, a may be 8.5, and b may be 10, For cucumbers, A can be 0.0467, B can be 0.035, a can be 4.5, and b can be 5.

The reading unit 400 reads a plurality of correction constants A, B, a, and b from the storage 300 and outputs them to the calculating unit 500.

The calculation unit 500 calculates a growth index indicating the type and intensity of plant growth based on the input flower height and input stem thickness, or calculates a growth index based on the input internodal length and input stem thickness. . The calculated growth indicators are output through the output unit to a medium that agricultural workers can check.

Using the method according to the present invention, it is possible to easily distinguish between vegetative and reproductive growth of plants without expert knowledge. By adjusting the night temperature, daytime temperature, watering frequency, watering amount per time, watering electrical conductivity, etc. according to the growth of each plant, a suitable environment can be provided to the plants and higher yields can be achieved.

So far, the present invention has been examined focusing on its preferred embodiments. A person skilled in the art to which the present invention pertains will understand that the present invention may be implemented in a modified form without departing from the essential characteristics of the present invention. Therefore, the disclosed embodiments should be considered from an illustrative rather than a restrictive perspective. The scope of the present invention is indicated in the claims rather than the foregoing description, and all differences within the equivalent scope should be construed as being included in the present invention.

100...Growing point input section
200 ... Thickness input section
300 ... storage
400 ... reading section
500 ... calculation unit
600 ... output section

Claims (9)

Inputting the flower height, which is the distance from the most recently formed growing point of the plant to the most recently flowered flower, or the internodal length, which is the distance from the node of the most recently formed growing point of the plant to the lower node of the growing point node;
receiving a stem thickness, which is the average thickness of the stem below the growth point formed by the most recent bifurcation of the plant; and
Calculating a growth index indicating the type and intensity of growth of the plant based on the input flower height and the input stem thickness, or calculating the growth indicator based on the input internode length and the input stem thickness A method for calculating plant growth indicators comprising the following steps: According to claim 1,
The step of calculating the growth index is by applying a plurality of correction constants to the input flower height and the input stem thickness so that if the growth index is a positive number, it indicates vegetative growth, and if it is a negative number, it indicates reproductive growth. Calculating or calculating the growth index by applying a plurality of correction constants to the input internodal length and the input stem thickness so that if the growth index is a positive number, it indicates vegetative growth, and if it is a negative number, it indicates reproductive growth. Method for calculating growth indicators of characteristic plants. According to claim 2,
The step of calculating the growth index calculates the growth index by applying the average flower height and stem thickness of the population of the plant along with the plurality of correction constants to the input flower height and the input stem thickness, or the input A method for calculating the growth index of a plant, characterized in that the growth index is calculated by applying the average internodal length and stem thickness of the population of the plant along with the plurality of correction constants to the input internodal length and the input stem thickness. Clause 3 is:
The step of calculating the growth index is a method of calculating the growth index of a plant, characterized in that the growth index is calculated using Equation 1 below.
[Equation 1]

(z is the growth index, These are correction constants for the above plurality.) According to claim 4,
The growth index is a method for calculating a growth index of a plant, wherein if the value of the growth index “z” is positive, it indicates that the plant is growing vegetatively, and if the value of the growth indicator “z” is negative, it indicates that the plant is growing reproductively. According to claim 5,
The absolute value size of the growth indicator is a method for calculating plant growth indicators, wherein if the value of the growth indicator “z” is positive, it indicates the intensity of vegetative growth of the plant, and if the value of the growth indicator “z” is negative, it indicates the intensity of reproductive growth of the plant. . According to claim 1,
If the plant is a tomato or paprika,
The step of calculating the growth index is a method for calculating a growth index of a plant, characterized in that calculating a growth index indicating the type and intensity of growth of the plant based on the input flower height and the input stem thickness. According to claim 1,
If the plant is a cucumber,
The step of calculating the growth index is characterized in that calculating the growth index indicating the type and intensity of growth of the plant based on the input internodal length and the input stem thickness. Flower height, which is the distance from the most recently formed growing point of the plant to the top of the plant, or inter-nodal length, which is the distance from the node of the most recently formed growing point of the plant to the lower node of the growing point node. A growing point input unit that receives input;
a thickness input unit that receives the stem thickness, which is the average thickness of the stem below the growth point formed by the most recent bifurcation of the plant; and
Calculating a growth index indicating the type and intensity of growth of the plant based on the input flower height and the input stem thickness, or calculating the growth indicator based on the input internode length and the input stem thickness A plant growth index calculation device comprising a calculation unit.