CN113740495B - Method for measuring garlic root system dynamic distribution width - Google Patents
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- CN113740495B CN113740495B CN202111067463.6A CN202111067463A CN113740495B CN 113740495 B CN113740495 B CN 113740495B CN 202111067463 A CN202111067463 A CN 202111067463A CN 113740495 B CN113740495 B CN 113740495B
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- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
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Abstract
The invention discloses a method for measuring the dynamic distribution width of garlic root systems, which comprises the following specific measuring steps: preparing a measuring box, planting healthy garlic cloves with the dynamic distribution width of the root system to be measured in the measuring box filled with sandy soil, wherein the planting depth of the garlic cloves is 3-4 cm, and the soil is covered by 1-2 cm; when the white root tip of the garlic on one side is observed to be exposed and the baffle plate is required to move outwards in a flood tide mode, watering and wetting can be carried out in advance, the inclined angle is 30-45 degrees, so that the root system of the garlic is prevented from being injured or the loam structure is prevented from being damaged, the baffle plate of the measuring box is moved after the garlic is horizontally placed, and then sand soil is filled carefully to enable the garlic to continuously grow; repeating the step 2) until the white root tip of the garlic is not stretched any more in the whole growing period, and then calculating and determining the maximum value and the average value of the dynamic distribution width of the garlic root system; the invention has simple structure, convenient manufacture, easy assembly and low cost, can measure the relatively real transverse dynamic biological characteristic form of the garlic root system, provides technical support for the accurate fertilizer and water management of the garlic in the whole growth period, and achieves the purposes of high yield and income increase.
Description
Technical Field
The invention relates to the field of agricultural scientific research, in particular to a method for measuring the dynamic distribution width of garlic root systems.
Background
The root system is the main absorption organ of crops, also called as the source of life, and has the functions of transmission, storage, fixation, synthesis and secretion. The research of the biological properties and dynamic distribution of the root system has scientific guiding significance on the growth and development of crops and agricultural production.
Garlic is preparedAllium sativumLThe plant is a cool-loving crop, the string-shaped shallow root system is free from main roots, and the lateral root system is developed. The main root groups of garlic are distributed in soil with the depth of 5-25 cm, and the transverse spreading diameter is 25-30 cm. Rooting is carried out 5-7 days after garlic is sowed, and the final rooting number is 30-40. The garlic root system has weak water and fertilizer absorption capability and is not drought tolerant, and is required to be watered and fertilized on duty, so that the garlic root system is promoted to grow longitudinally and transversely, and the purposes of high yield and income increase are achieved.
The garlic biological characteristic root system field test needs to qualitatively observe and quantitatively measure the growth and distribution conditions, firstly, the quantity and weight of the root system, and secondly, the maximum or average depth and width of the dynamic distribution of the root system. The depth is the maximum or average longitudinal depth which can be reached by the longitudinal growth of the root system, and the width is the maximum or average horizontal width which can be reached by the transverse growth of the root system. The traditional root digging investigation method is characterized in that the root system is separated from the soil by manual flushing, the quantity, weight and length of the root system are quantitatively measured, but the original distribution form of the root system in the soil is changed along with the flushing and taking processes, namely the real distribution state of the root system in the soil cannot be accurately analyzed, and the dynamic distribution width of the garlic root system cannot be qualitatively observed and quantitatively measured.
Disclosure of Invention
In order to overcome the defects of the prior art, the method for measuring the dynamic distribution width of the garlic root system is provided, and the method accurately and quantitatively measures the maximum or average dynamic distribution width of the garlic root system, thereby providing technical support for accurate fertilizer and water management in the whole growth period of the garlic.
The invention is realized by the following technical scheme, and the method for measuring the dynamic distribution width of the garlic root system comprises the following specific measuring steps:
step 1) garlic clove planting: preparing a measuring box, planting healthy garlic cloves with the dynamic distribution width of the root system to be measured in the measuring box filled with sandy soil, wherein the planting depth of the garlic cloves is 3-4 cm, and the soil is covered by 1-2 cm;
step 2) observing root system movement: when the white root tip of the garlic on one side is observed to be exposed and the baffle plate is required to move outwards in a flood tide mode, watering and wetting are carried out in advance, and the inclined angle is 30-45 degrees so as to prevent the root system of the garlic from being injured or the loam structure from being damaged, and after the garlic is horizontally placed, the baffle plate of the measuring box is moved, and then sandy soil is filled carefully so as to enable the garlic to continuously grow;
step 3) calculating root system width: repeating the step 2) until the white root tip of the garlic is not stretched any more in the whole growing period, and then calculating and determining the maximum value and the average value of the dynamic distribution width of the garlic root system;
maximum = garlic white root distribution maximum;
average value = [ (N1-N2) ×1+ (N2-N3) ×2+ (N3-N4) ×3+ … (N (i-1) -Ni) ×x (i-1) ]/N1, where N1, N2, N3, … Ni represent the number of garlic roots when the baffle is moved out i times, and X1, X2, X3, … Xi represent the dynamic distribution width value of garlic root system when the baffle is moved out i times;
the measuring box comprises a U-shaped groove box body and a baffle plate;
the baffle comprises a first baffle and a second baffle;
the inner wall of the U-shaped groove box body is provided with a plurality of first clamping grooves and second clamping grooves respectively; the first baffle and the second baffle are respectively placed in the first clamping groove and the second clamping groove and are enclosed with the U-shaped groove box body to form a garlic root system dynamic distribution width measuring chamber.
The distance between the adjacent first clamping grooves is 3-5 cm.
The distance between the adjacent second clamping grooves is 3-5 cm.
The U-shaped groove box body, the first baffle and the second baffle are all made of transparent PVC resin.
As the preferable scheme of the method for measuring the garlic root system dynamic distribution width, disclosed by the invention, the following scheme is adopted: the U-shaped groove box body is a cuboid with the length of 30cm multiplied by 90 cm; the first baffle and the second baffle have dimensions of 30cm by 30cm.
The invention has the beneficial technical effects that: the invention has simple structure, convenient manufacture, easy assembly and low cost, can measure the relatively real dynamic transverse biological characteristic form of the garlic root system, provides technical support for the accurate fertilizer and water management of the garlic in the whole growth period, and achieves the purposes of high yield and income increase.
Drawings
FIG. 1 is a schematic diagram of the structure of a measuring tank of the present invention;
in the figure: 1-U-shaped groove box body; 2-a first baffle; 3-a second baffle; 4-measuring chamber; 5-a first clamping groove; 6-a second clamping groove.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent from the following detailed description of the present invention, which is not intended to be limiting.
Example 1
The method for measuring the dynamic distribution width of the garlic root system comprises the following specific measuring steps:
step 1) garlic clove planting: preparing a measuring box, planting healthy garlic cloves with the dynamic distribution width of the root system to be measured in the measuring box filled with sandy soil, wherein the planting depth of the garlic cloves is 3cm, and the soil is covered by 1cm;
step 2) observing root system movement: when the white root tip of the garlic on one side is observed to be exposed and the baffle plate is required to move outwards in a flood tide mode, watering and wetting are carried out in advance, and the inclined angle is 30 degrees so as to prevent the root system of the garlic from being injured or the loam structure from being damaged, the baffle plate of the measuring box is moved after the garlic is horizontally placed, and then sand soil is filled carefully to enable the garlic to continuously grow;
step 3) calculating root system width: repeating the step 2) until the white root tip of the garlic is not stretched any more in the whole growing period, and then calculating and determining the maximum value and the average value of the dynamic distribution width of the garlic root system;
maximum = garlic white root distribution maximum;
average value = [ (N1-N2) ×1+ (N2-N3) ×2+ (N3-N4) ×3+ … (N (i-1) -Ni) ×x (i-1) ]/N1, where N1, N2, N3, … Ni represent the number of garlic roots when moving the baffle i times, and X1, X2, X3, … Xi represent the width of garlic root distribution when moving the baffle i times;
the measuring box comprises a U-shaped groove box body 1 and a baffle plate;
the baffle comprises a first baffle 2 and a second baffle 3;
a plurality of first clamping grooves 5 and second clamping grooves 6 are respectively arranged on the inner wall of the U-shaped groove box body 1; the first baffle plate 2 and the second baffle plate 3 are respectively placed in the first clamping groove 5 and the second clamping groove 6 and are enclosed with the U-shaped groove box body 1 to form a garlic root system dynamic distribution width measuring chamber 4.
The distance between the adjacent first clamping grooves 5 is 3cm.
The distance between the adjacent second clamping grooves 6 is 3cm.
The U-shaped groove box body 1, the first baffle plate 2 and the second baffle plate 3 are made of transparent PVC resin.
The U-shaped groove box body 1 is a cuboid with the length of 30cm multiplied by 90 cm; the first baffle 2 and the second baffle 3 have dimensions of 30cm by 30cm.
Example 2
The method for measuring the dynamic distribution width of the garlic root system comprises the following specific measuring steps:
step 1) garlic clove planting: preparing a measuring box, planting healthy garlic cloves with the dynamic distribution width of the root system to be measured in the measuring box filled with sandy soil, wherein the planting depth of the garlic cloves is 4cm, and the soil is covered by 2cm;
step 2) observing root system movement: when the white root tip of the garlic on one side is observed to be exposed and the baffle plate is required to move outwards in a flood tide mode, watering and wetting can be carried out in advance, the inclined angle is 40 degrees, so that the root system of the garlic is prevented from being injured or the loam structure is prevented from being damaged, the baffle plate of the measuring box is moved after the garlic is horizontally placed, and then sand soil is filled carefully to enable the garlic to continuously grow;
step 3) calculating root system width: repeating the step 2) until the white root tip of the garlic is not stretched any more in the whole growing period, and then calculating and determining the maximum value and the average value of the dynamic distribution width of the garlic root system;
maximum = garlic white root distribution maximum;
average value = [ (N1-N2) ×1+ (N2-N3) ×2+ (N3-N4) ×3+ … (N (i-1) -Ni) ×x (i-1) ]/N1, where N1, N2, N3, … Ni represent the number of garlic roots when the baffle is moved out i times, and X1, X2, X3, … Xi represent the dynamic distribution width value of garlic root system when the baffle is moved out i times;
the measuring box comprises a U-shaped groove box body 1 and a baffle plate;
the baffle comprises a first baffle 2 and a second baffle 3;
a plurality of first clamping grooves 5 and second clamping grooves 6 are respectively arranged on the inner wall of the U-shaped groove box body 1; the first baffle plate 2 and the second baffle plate 3 are respectively placed in the first clamping groove 5 and the second clamping groove 6 and are enclosed with the U-shaped groove box body 1 to form a garlic root system dynamic distribution width measuring chamber 4.
The distance between the adjacent first clamping grooves 5 is 4cm.
The distance between the adjacent second clamping grooves 6 is 4cm.
The U-shaped groove box body 1, the first baffle plate 2 and the second baffle plate 3 are made of transparent PVC resin.
The U-shaped groove box body 1 is a cuboid with the length of 30cm multiplied by 90 cm; the first baffle (2) and the second baffle (3) have dimensions of 30cm by 30cm.
Example 3
The method for measuring the dynamic distribution width of the garlic root system comprises the following specific measuring steps:
step 1) garlic clove planting: preparing a measuring box, planting healthy garlic cloves with the dynamic distribution width of the root system to be measured in the measuring box filled with sandy soil, wherein the planting depth of the garlic cloves is 3cm, and the soil is covered by 1cm;
step 2) observing root system movement: when the white root tip of the garlic on one side is observed to be exposed and the baffle plate is required to move outwards in a flood tide mode, watering and wetting can be carried out in advance, the inclined angle is 45 degrees, so that the root system of the garlic is prevented from being injured or the loam structure is prevented from being damaged, the baffle plate of the measuring box is moved after the garlic is horizontally placed, and then sand soil is filled carefully to enable the garlic to continuously grow;
step 3) calculating root system width: repeating the step 2) until the white root tip of the garlic is not stretched any more in the whole growing period, and then calculating and determining the maximum value and the average value of the dynamic distribution width of the garlic root system;
maximum = garlic white root distribution maximum;
average value = [ (N1-N2) ×1+ (N2-N3) ×2+ (N3-N4) ×3+ … (N (i-1) -Ni) ×x (i-1) ]/N1, where N1, N2, N3, … Ni represent the number of garlic roots when the baffle is moved out i times, and X1, X2, X3, … Xi represent the dynamic distribution width value of garlic root system when the baffle is moved out i times;
the measuring box comprises a U-shaped groove box body 1 and a baffle plate;
the baffle comprises a first baffle 2 and a second baffle 3;
a plurality of first clamping grooves 5 and second clamping grooves 6 are respectively arranged on the inner wall of the U-shaped groove box body 1; the first baffle plate 2 and the second baffle plate 3 are respectively placed in the first clamping groove 5 and the second clamping groove 6 and are enclosed with the U-shaped groove box body 1 to form a garlic root system dynamic distribution width measuring chamber 4.
The distance between the adjacent first clamping grooves 5 is 5cm.
The distance between the adjacent second clamping grooves 6 is 5cm.
The U-shaped groove box body 1, the first baffle plate 2 and the second baffle plate 3 are made of transparent PVC resin.
The U-shaped groove box body 1 is a cuboid with the length of 30cm multiplied by 90 cm; the first baffle 2 and the second baffle 3 have dimensions of 30cm by 30cm.
Claims (1)
1. The method for measuring the dynamic distribution width of the garlic root system is characterized by comprising the following steps of: the specific measurement steps are as follows:
step 1) garlic clove planting: preparing a measuring box, planting healthy garlic cloves with the dynamic distribution width of the root system to be measured in the measuring box filled with sandy soil, wherein the planting depth of the garlic cloves is 3-4 cm, and the soil is covered by 1-2 cm;
step 2) observing root system movement: when the white root tip of the garlic on one side is observed to be exposed and the baffle plate is required to move outwards in a flood tide mode, watering and wetting are carried out in advance, and the inclined angle is 30-45 degrees so as to prevent the root system of the garlic from being injured or the loam structure from being damaged, and after the garlic is horizontally placed, the baffle plate of the measuring box is moved, and then sandy soil is filled carefully so as to enable the garlic to continuously grow;
step 3) calculating root system width: repeating the step 2) until the white root tip of the garlic is not stretched any more in the whole growing period, and then calculating and determining the maximum value and the average value of the dynamic distribution width of the garlic root system;
maximum = garlic white root distribution maximum;
average value = [ (N1-N2) ×1+ (N2-N3) ×2+ (N3-N4) ×3+ … (N (i-1) -Ni) ×x (i-1) ]/N1, where N1, N2, N3, … Ni represent the number of garlic roots when moving the baffle i times, and X1, X2, X3, … Xi represent the width of garlic root distribution when moving the baffle i times;
the measuring box comprises a U-shaped groove box body (1) and a baffle plate;
the baffle comprises a first baffle (2) and a second baffle (3);
a plurality of first clamping grooves (5) and second clamping grooves (6) are respectively arranged on the inner wall of the U-shaped groove box body (1); the first baffle (2) and the second baffle (3) are respectively placed in the first clamping groove (5) and the second clamping groove (6) and are enclosed with the U-shaped groove box body (1) to form a garlic root system dynamic distribution width measuring chamber (4);
the distance between the adjacent first clamping grooves (5) is 3-5 cm;
the distance between the adjacent second clamping grooves (6) is 3-5 cm;
the U-shaped groove box body (1), the first baffle (2) and the second baffle (3) are made of transparent PVC resin;
the U-shaped groove box body (1) is a cuboid with the length of 30cm multiplied by 90 cm; the first baffle (2) and the second baffle (3) are 30cm by 30cm in size.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1639883A1 (en) * | 2004-09-24 | 2006-03-29 | Thomas Merschmann | Sod and method of production thereof |
| CN101881705A (en) * | 2010-06-24 | 2010-11-10 | 河南科技大学 | Combined quantitative sampler used for researching plant root distribution and root morphology |
| CN102135501A (en) * | 2010-11-15 | 2011-07-27 | 中国科学院新疆生态与地理研究所 | Method for observing root growth process of deep rooting plant alhagi sparsifolia |
| CN202285650U (en) * | 2011-07-26 | 2012-07-04 | 中国水利水电科学研究院 | Plant root space-time structure measuring device |
| CN102763573A (en) * | 2012-07-05 | 2012-11-07 | 华南农业大学 | Plant root system in-situ dynamic observation device, system and method under soil culture conditions |
| CN105359870A (en) * | 2015-12-03 | 2016-03-02 | 扬州大学 | Apparatus for observing growth distribution of rice roots |
-
2021
- 2021-09-13 CN CN202111067463.6A patent/CN113740495B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1639883A1 (en) * | 2004-09-24 | 2006-03-29 | Thomas Merschmann | Sod and method of production thereof |
| CN101881705A (en) * | 2010-06-24 | 2010-11-10 | 河南科技大学 | Combined quantitative sampler used for researching plant root distribution and root morphology |
| CN102135501A (en) * | 2010-11-15 | 2011-07-27 | 中国科学院新疆生态与地理研究所 | Method for observing root growth process of deep rooting plant alhagi sparsifolia |
| CN202285650U (en) * | 2011-07-26 | 2012-07-04 | 中国水利水电科学研究院 | Plant root space-time structure measuring device |
| CN102763573A (en) * | 2012-07-05 | 2012-11-07 | 华南农业大学 | Plant root system in-situ dynamic observation device, system and method under soil culture conditions |
| CN105359870A (en) * | 2015-12-03 | 2016-03-02 | 扬州大学 | Apparatus for observing growth distribution of rice roots |
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