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Corn roots space-time structure measuring device

A measuring device and technology for root system, applied in the field of plant root structure measurement, can solve the problems of inability to accurately measure the time and spatial structure of corn root system, and achieve the effects of accurate and reliable results, simple device structure and convenient operation

Inactive Publication Date: 2008-07-02
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiency that existing methods cannot accurately measure the time and space structure of corn roots, the present invention provides a device for accurately measuring the time and space structures of corn roots, which can not only accurately measure the time structure of corn roots, but also accurately and completely The spatial structure of maize root system

Method used

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  • Corn roots space-time structure measuring device

Examples

Experimental program
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Effect test

Embodiment 1

[0019] Example 1 Device for measuring the spatio-temporal structure of maize roots at the seedling stage

[0020] The height H of the drum 1 is 800 mm to 1000 mm, the diameter of the drum 1 is 600 mm to 800 mm, and the bottom 2 of the drum is provided with evenly distributed permeable holes 7, and the area of ​​each permeable hole 7 is 30 mm. 2 ~40mm 2 , the number is 15-20. The height h of the root system support is 750 mm to 950 mm, and the diameter Ψ is 500 mm to 700 mm. The layered support 4 is composed of 4 to 6 evenly distributed steel columns with a diameter of 12mm to 14mm and several layers of cold-dip galvanized steel mesh with grids welded on it. The grid size of the cold-dip galvanized steel sheet is (15~18)mm×(10~12)mm. Each cold-dip galvanized steel mesh is arranged in parallel on the steel bar support, the distance T between the cold-dip galvanized steel mesh is 50mm-60mm, and the cold-galvanized steel mesh is perpendicular to the steel bar column. The root ...

Embodiment 2

[0021] Example 2 Device for Measuring the Spatiotemporal Structure of Corn Roots in the Middle Growth and Development Stage

[0022] The height H of the drum 1 is 800 mm to 1300 mm, the diameter of the drum 1 is 750 mm to 1100 mm, and the bottom 2 of the drum is provided with evenly distributed permeable holes 7, and the area of ​​each permeable hole 7 is 30 mm. 2 ~40mm 2 , the number is 20-25. The height h of the root system support is 750 mm to 1250 mm, and the diameter Ψ is 650 mm to 1050 mm. The layered support 4 is composed of 6 to 8 uniformly distributed steel columns with a diameter of 12mm to 14mm and several layers of cold-dip galvanized steel mesh with grids welded on it. The grid size of the cold-dip galvanized steel sheet is (15~18)mm×(10~12)mm. Each cold-dip galvanized steel mesh is arranged in parallel on the steel bar support, the distance T between the cold-dip galvanized steel mesh is 50mm-60mm, and the cold-galvanized steel mesh is perpendicular to the ste...

Embodiment 3

[0023] Example 3 Device for Measuring the Spatio-temporal Structure of Maize Root System in Maturity Stage

[0024] The height H of the drum 1 is 800 mm to 2000 mm, the diameter of the drum 1 is 1050 mm to 1300 mm, and the bottom 2 of the drum is provided with evenly distributed permeable holes 7, and the area of ​​each permeable hole 7 is 30 mm. 2 ~40mm 2, the number is 20-25. The height h of the root system support is 750mm-1950mm, and the diameter Ψ is 1000mm-1250mm. The layered support 4 is composed of 8 to 10 evenly distributed steel bars with a diameter of 12mm to 14mm and several layers of cold-dip galvanized steel mesh with grids welded on it. The cold-dip galvanized steel mesh size is (15~18)mm×(10~12)mm. Each cold-dip galvanized steel mesh is arranged in parallel on the steel bar support, the distance T between the cold-dip galvanized steel mesh is 50mm-60mm, and the cold-galvanized steel mesh is perpendicular to the steel bar column. The root support 4 is placed...

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Abstract

The invention belongs to the measuring technical field of plant root system structure and relates to a detecting device for corn root system structure, which includes two parts like a round barrel and a root system supporter. The round barrel is composed of a round barrel body and a barrel bottom. The root system supporter is composed of a round layer mesh and a layer mesh supporter. The root system supporter is arranged in the inner part of the round barrel and a clearance is reserved between the root system supporter and the round barrel. The body of the round barrel is fixed with the barrel bottom. The barrel bottom is a cylinder and provided with a permeable hole. The layer mesh and the layer mesh supporter of the root system supporter are fixed together. The layer mesh supporter leads the arrangement of the layer mesh to be fixed and maintain an invariable shape. In order to keep the natural situation for the growing of corn root system, the structure of the layer mesh is in gridding shape. The invention can not only accurately detect the quantized indexes changed with the time process of the corn root system, such as the fresh weight, dry weight, length and size of the root system, etc., but also can accurately and conveniently detect the space structure of the whole corn root system. The whole device has the advantages of simple structure, convenient operation as well as accurate and reliable result.

Description

technical field [0001] The invention belongs to the technical field of plant root structure measurement, and relates to a device for measuring the structure and time distribution of plant roots, in particular to a corn root structure measurement device. Through this device, a whole picture of the temporal and spatial structure of the corn root system can be presented as a whole. Background technique [0002] Most of the corn root system grows in the soil. To scientifically understand corn production, it is necessary to fully understand the growth of the corn root system and the distribution of root groups, effectively control the relationship between the root system and the aboveground part and the root system’s water and nutrient utilization efficiency, and achieve corn production. The purpose of high yield, high quality and high efficiency. At present, researchers generally use indoor sand culture, hydroponics or dig cylindrical regular soil pits in the field, put linoleu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G7/00A01G9/02A01G1/00
Inventor 宋凤斌刘胜群
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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