Potting barrel for analyzing influence of warming on distribution state of wheat roots

Abstract

The invention provides a potting barrel for analyzing influence of warming on the distribution state of wheat roots. The potting barrel with an open upper part is provided with a plurality of cross-cut openings and sieve pore supporting plates used for growth positioning of the wheat roots along a height direction; the plurality of the cross-cut openings are arranged on the side wall of the potting barrel at intervals; the sieve pore supporting plates are arranged at the inner side of the potting barrel in an upper-lower interval manner, so that a substrate in the barrel is divided into a plurality of layers of wheat root growth space independent to one another; and each layer of the circumferential side wall in the potting barrel is provided with one spiral waterway backflow heating tubeunit. According to the potting barrel provided by the invention, the wheat roots in a required soil layer are intercepted in a targeted manner, so that the wheat roots are more convenient and quickerto cut, integrity of the whole soil layer is guaranteed, the growth condition of the wheat roots is convenient to observe, the growing environment and soil temperature of plants to be tested can be accurately controlled, spatial distribution of the wheat roots can be measured in situ, accuracy of test data can be improved, and the purposes of spatial intensification and operation convenience can be achieved.

Description

technical field [0001] The invention relates to the field of crop cultivation, in particular to a potted device for researching and analyzing the influence of temperature increase on the growth and distribution state of wheat roots. Background technique [0002] As the global climate changes, global warming has become an increasingly serious problem. The fourth assessment report of IPCC (2007) shows that the global average temperature has increased by 0.56°C-0.92°C in the past 100 years, and the global temperature will increase by 1.8°C-4.0°C by the end of the 21st century (IPCC, 2007). The "National Assessment Report on Climate Change" pointed out that China's annual average surface temperature has increased significantly in the past 100 years, with a temperature rise of about 0.5-0.8°C, which is slightly higher than the global average temperature increase (0.6±0.2°C) during the same period. The increase in global temperature in recent years has brought new challenges and ...

AI Technical Summary

Problems solved by technology

Since most of the commonly used warming devices on the market heat the air, there are few mature products that heat the soil. Even with simple soil warming equipment, it is impossible to truly simulate the space for soil temperature rise. Differences; almost all heating devices are heated independently. Due to the limitation of the temperature control unit, it is impossible to ensure that the temperature rise between different heating devices reaches a consistent level

At the same time, no suitable soil warming equipment has been found in the world. Even if there is, the high price of imported products from abroad cannot be widely promoted and applied in China. There will be various problems in the management of the product and the negotiation with the manufacturer

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