Alternative irrigation simulation test device and method for plant

Abstract

The invention relates to an alternative irrigation simulation test device and method for a plant. The alternative irrigation simulation test device comprises a bucket body and a water observation unit, wherein the upper part of the bucket body is opened, and the bottom of the bucket body is closed; a partition perpendicularly arranged in the middle divides the interior of the bucket into 2 spaces;a gap is formed in the middle position of the upper edge of the partition and serves as a position for planting and root division of a test plant; a water supply hole is formed in one side of the bucket bottom, and a water overflow hole is formed in the other side of the bucket bottom; and the water observation unit comprises a plurality of soil water sensors and data acquirers. The method realizes horizontal alternative irrigation by respectively watering soil on the left and right sides in the bucket through a watering sprayer; and water is supplied through the water supply hole in the bucket bottom or the watering sprayer simultaneously waters the soil on the left and right sides in the bucket, so as to realize dry-wet alternative irrigation for the soil on the lower and upper layers in the bucket body. The device disclosed by the invention can simultaneously develop an alternative irrigation experiment for a root system of the plant in a horizontal direction and a perpendicular direction.

Description

technical field [0001] The invention relates to simultaneous horizontal and vertical alternate irrigation of plant roots, in particular to a plant alternate irrigation simulation test device and method. Background technique [0002] Alternate irrigation regulates the physiological characteristics of crops by changing the water supply mode of plants, so as to reduce wasteful water consumption and improve water use efficiency. By regulating the soil moisture in different root zones of plants, the crops can produce endogenous hormone feedback, optimize the opening of stomata, and realize physiological water saving, opening up a new way for agricultural water saving. Alternate irrigation technology is considered to be one of the major breakthroughs in the field of water-saving irrigation in recent years. This technology can tap the water-saving potential of crops to a certain extent, and has produced good results in the application of some crops. [0003] Alternate irrigation ...

AI Technical Summary

Problems solved by technology

[0005] In order to compare the differences in the responses of different plants to alternate irrigation techniques, it is necessary to establish an artificial simulation alternate irrigation test device. In the past, related research methods and equipment at home and abroad can only achieve one-dimensional experimental simulation, that is, horizontal alternate irrigation or vertical alternate irrigation simulation. , there is no spatial three-dimensional alternating irrigation test simulation device that can simultaneously carry out horizontal and vertical two dimensions, and this invention will make up for this technical deficiency

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