Method for improving heavy metal zinc absorption of corn or soybeans

A heavy metal and soybean technology, which is applied in the fields of botanical equipment and methods, restoration of polluted soil, horticulture, etc., can solve problems such as the accumulation of heavy metal zinc exceeding the standard, and achieve the effect of easy application and promotion, obvious effect and simple method.

Inactive Publication Date: 2017-05-10
重庆泰升生态农业发展有限公司
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Problems solved by technology

[0006] When corn or soybeans are grown alone on the soil heavily polluted by heavy metal zinc, the accumulation of heavy metal zinc in the whole plant of c

Method used

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  • Method for improving heavy metal zinc absorption of corn or soybeans
  • Method for improving heavy metal zinc absorption of corn or soybeans
  • Method for improving heavy metal zinc absorption of corn or soybeans

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The test site is located at the weather station of the teaching and scientific research farm of Sichuan Agricultural University.

[0019] Potted plants were used to simulate soil heavy metal pollution, and planted in accordance with the national soil environmental quality (GB15618-1995) secondary standard (pH: 7.72, dry land: Zn: 300mg / kg) was added to the potting soil of heavy metal zinc. The concentration of zinc in the dry land in the secondary standard of the National Soil Environmental Quality (GB15618-1995) is 250mg / kg, that is, 250mg of zinc is contained in every kilogram of polluted soil. This concentration is to ensure the soil quality of agricultural production, normal growth of crops and maintenance of human health. limit value. Among them, 2 plants were planted in each pot for corn monoculture, and 4 plants were planted in each pot for soybean monoculture; the quantity of corn‖soybean was halved compared with the corresponding monoculture quantity, and the ...

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Abstract

The invention discloses a method for improving heavy metal zinc absorption of corn or soybeans, and relates to the technical field of remediation of heavy metal pollution in the environment. In order to solve the problem that heavy zinc pollution in soil influences the quality and yield of the corn and the soybeans, the method for improving heavy metal zinc absorption of the corn or the soybeans comprises the specific steps that the corn and the soybeans are intercropped in the heavy metal zinc pollution soil, and the preferable corn and soybean intercropping plant number ratio is 1:2. The method is simple, low in cost, high in operability, obvious in effect and environmentally friendly, and can be applied and popularized in agricultural production.

Description

technical field [0001] The invention relates to the technical field of remediation of heavy metal pollution in the environment, in particular to the application of different cultivation modes of crops in remediation of heavy metal zinc pollution. Background technique [0002] The safe production of food is the focus of worldwide attention, and it is of great significance to the sustainable development of agriculture and human health. According to data, due to the development of industry, soil heavy metal pollution is becoming more and more serious, especially heavy metals such as cadmium, lead, zinc, copper, and zinc. For example, in Ya'an, Sichuan, the heavy metal zinc has polluted the farmland to varying degrees through the detection of farmland soil in and around Daxing Town. This not only affects the yield and quality of crops, but also endangers the health of humans and animals through the food chain, causing immeasurable impacts. Therefore, the soil polluted by heavy...

Claims

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Application Information

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IPC IPC(8): A01G1/00B09C1/00
CPCA01G22/00B09C1/105
Inventor 黄文君夏天雨
Owner 重庆泰升生态农业发展有限公司
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