Method for planting sorghum

A planting method and technology of sorghum, applied in the field of plant cultivation, can solve the problems of groundwater pollution, unstable performance, high price, etc., achieve the effects of improving nitrogen utilization, reducing soil greenhouse gases, and providing regulation of nitrogen cycle

Inactive Publication Date: 2017-12-01
INST OF URBAN ENVIRONMENT CHINESE ACAD OF SCI +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, artificially synthesized nitrification inhibitors have more or less limitations such as inconvenient use, unstable performance, high price, easy to cause groundwater pollution, and affect the biodiversity of natural ecosystems.

Method used

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  • Method for planting sorghum
  • Method for planting sorghum
  • Method for planting sorghum

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Weigh 50g, pass 100 mesh pH=4.44 into 20 square boxes of orange grove soil in Beilun, Zhejiang, measure the pH value of the soil, adjust the pH to 6.5 with limestone, add water accounting for 30% of the total soil, and put in The dark place is stable for 5 days, and it is determined whether to continue spraying according to the dryness and wetness of the soil on the soil surface.

[0029] Fertilization: Apply urea (the addition amount per kilogram of soil is 0.22g) and potassium dihydrogen phosphate (the addition amount per kilogram of soil is 0.12g) to the stabilized soil, and obtain cultivation soil after 2 days of stabilization.

[0030] Pregermination: soak the sorghum seeds in 70% alcohol for 4 seconds, then wash them with water, then put the seeds into a petri dish with filter paper (soaked in water), and germinate them in an incubator at 25°C for 4 days until germination of seeds;

[0031] Cultivation: The germinated sorghum seeds are planted in the cultivation ...

Embodiment 2

[0033] Weigh 50g, pass 100 mesh pH=4.44 into 20 square boxes of orange grove soil in Beilun, Zhejiang, measure the pH value of the soil, adjust the pH to 6.4 with limestone, add water accounting for 20% of the total amount of soil at the same time, put in The dark place is stable for 6 days, and it is determined whether to continue spraying according to the dryness and wetness of the soil on the soil surface.

[0034] Fertilization: Apply urea (the addition amount per kilogram of soil is 0.2g) and potassium dihydrogen phosphate (the addition amount per kilogram of soil is 0.15g) to the stabilized soil, and obtain cultivation soil after stabilizing for 3 days.

[0035] Pregermination: soak the sorghum seeds in 65% alcohol for 6 seconds, then wash them with water, then put the seeds into a petri dish with filter paper (soaked in water), and germinate them in an incubator at 22°C for 5 days until germination of seeds;

[0036] Cultivation: Plant the germinated sorghum seeds into...

Embodiment 3

[0038] Weigh 50g, pass through 100 meshes, pH=4.44 is the orange grove soil in Beilun Mountains, Zhejiang Province, put it in 20 square boxes, measure the pH value of the soil, adjust the pH to 6.6 with limestone, add water accounting for 40% of the total soil, and put in The dark place is stable for 7 days, and it is determined whether to continue spraying according to the soil dryness and wetness on the soil surface.

[0039] Fertilization: Apply urea (the addition amount per kilogram of soil is 0.25g) and potassium dihydrogen phosphate (the addition amount per kilogram of soil is 0.08g) to the stabilized soil, and obtain cultivation soil after 4 days of stabilization.

[0040] Accelerating germination: Soak the sorghum seeds in 75% alcohol for 3 seconds, then wash them with water, then put the seeds into a petri dish with filter paper (soaked in water), and germinate them in an incubator at 28°C for 3 days until germination of seeds;

[0041]Cultivation: Plant the germinat...

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Abstract

The invention relates to a method for planting sorghum, and belongs to the field of plant cultivation. The method includes planting germinated sorghum seeds in soil with the pH (potential of hydrogen) of 6.4-6.6 and cultivating the germinated sorghum seeds in the soil. The method particularly includes steps of sieving the soil to obtain broken soil, measuring a pH value of the soil, regulating the pH of the soil until the pH of the soil reaches 6.4-6.6, adding water into the soil and stabilizing the soil for 3-7 days; applying fertilizers to the soil and stabilizing the soil for 1-4 days to obtain cultivation soil; soaking sorghum seeds in alcohol for 3-6 s, then cleaning the sorghum seeds by water, placing the seeds in culture dishes cushioned with filter paper and then accelerating germination of the seeds in culture tanks at the temperatures of 22-28 DEG C for 3-5 days until the seeds germinate; cultivating the germinated sorghum seeds in the cultivation soil, spraying water and then cultivating the germinated sorghum seeds in culture tanks in greenhouses. The method has the advantages that the pH of the soil for planting the sorghum seeds is regulated until the pH of the soil reaches 6.4-6.6, accordingly, biological nitrification inhibitors secreted by rhizosphere of the sorghum can be maximized, nitrogen cycle can be regulated and controlled, the nitrogen utilization can be improved, and soil greenhouse gas can be reduced.

Description

technical field [0001] The invention relates to a sorghum planting method and belongs to the field of plant cultivation. Background technique [0002] Sorghum, also known as red grain, is one of the dryland food crops in my country. It is not only food for people, but also good feed for livestock and the main raw material for wine making. Sorghum is rich in nutrients. In addition to being used for wine making, food and feed, it is also widely used in the sugar processing industry. Sorghum brooms can be used as broom handles, and sorghum stalks can be made into plywood as building materials. Sorghum is really a treasure. In order to increase the yield of sorghum, a large amount of nitrogen fertilizer is often applied, because the nitrate nitrogen formed by nitrification in the nitrogen cycle is easily affected by leaching and denitrification, resulting in serious nitrogen loss and surface water pollution. and damage to the ecological environment. Although some nitrogen fer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01C1/08A01C1/00A01B79/02
Inventor 张洋李雅颖姚槐应吴愉萍
Owner INST OF URBAN ENVIRONMENT CHINESE ACAD OF SCI
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