Method for enhancing wheat ammonium nitrogen-resistant ability in root system environment by LED

A light-emitting diode, root environment technology, applied in gardening methods, botanical equipment and methods, gardening tools/equipment, etc., to achieve the effects of high dry weight, significant increase in leaf length, and high tillering power

Inactive Publication Date: 2006-02-15
SHANGHAI INST OF BIOLOGICAL SCI CHINESE ACAD OF SCI
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  • Method for enhancing wheat ammonium nitrogen-resistant ability in root system environment by LED
  • Method for enhancing wheat ammonium nitrogen-resistant ability in root system environment by LED
  • Method for enhancing wheat ammonium nitrogen-resistant ability in root system environment by LED

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Embodiment Construction

[0075] Please refer to the attached figure 1 As shown, the device of the present invention includes a dripper, a cultivation pot and a lighting system, a bottom basin, a pump water circulation system and a light-emitting diode plant root lighting device, and constitutes a light source experiment of a light-emitting diode LED parallel device, consisting of a set of circulating waterways and a A set of light-emitting diode lighting systems are connected in parallel with two sets of root lighting devices. The root lighting devices are either single-body cultivation devices for contrast cultivation or double-body parallel root lighting devices. 1), black cover layer (2), cultivation pot and wheat seed sprouts (3), bottom pot cover (4), positioning trap (5), bottom pot and pump water circulation system (7), among which:

[0076] The output of the dripper (1) is connected with the input of the black cover (2), and the output of the black cover (2) is connected with the input of the ...

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Abstract

The invention belongs to the field of plant culture technique and discloses a device and method, which employs the ability of a kind of light-emitting diode enhancing wheat durability against ammoniacal nitrogen in root environment. The device comprises the following components sequentially: drench and dropping head, black cover coat, cultivating basin and breed sprout of wheat, the cover of bottom basin, locating collar and pump water circulating system etc. The invention employs the light-emitting diode as the plant light supply and the parallel connection of two cultivating device, installing the light supply in the bottom basin equipped with diving pump and thus the plant root in the device can only accept the light brought by water circulation, providing new culture solvent A and B to wheat until earing and blooming. The wheat grows aggressively in the culture solvent with high content of ammoniacal nitrogen, the tillering force is good and the ear-forming rate is high, the total dry weight of single plant and the dry weight of tillering of single plant are high and the increment of leaf length is appreciable.

Description

technical field [0001] The invention relates to a plant cultivation technology, especially a device and method for enhancing ammonium-nitrogen tolerance of wheat in a root system environment with light-emitting diodes. The widespread use of LEDs in soilless cultivation systems will have an impact. Background technique [0002] Wheat is a typical dry-farmed plant, and hydroponic culture is not easy. Generally, hydroponics is not used to study the growth of wheat. In the 1960s, one of the applicants once cultivated wheat with a solution containing 100% nitrate nitrogen as a nitrogen source, but there has been no work on hydroponic wheat with ammonium nitrogen as a nitrogen source. [0003] The vast majority of plants like nitrate nitrogen as a nitrogen source. Although there is sometimes ammonium nitrogen in the hydroponic solution, it usually does not exceed 10% of the total nitrogen, otherwise plant ammonia poisoning will occur and the cultivation will fail! [0004] We ha...

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Application Information

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IPC IPC(8): A01H3/02A01G7/00
Inventor 陈金星李止正
Owner SHANGHAI INST OF BIOLOGICAL SCI CHINESE ACAD OF SCI
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