Greenhouse vegetable soil sunlight disinfection method

A disinfection method and soil technology, applied in botany equipment and methods, disinfectants, animal repellents, etc., can solve the problems of limited sources, inconvenient large-scale application, and high price of lime nitrogen, and achieve wide sources and easy Promotion, simple operation effect

Inactive Publication Date: 2011-01-26
NORTHWEST A & F UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology improves upon previous methods such as adding calcium hydroxide (Ca(OH)2) instead of limesulfonamine sulfite), but it still suffers from certain drawbacks like expensive materials and complicated operations. By incorporating this special substance into the existing process, these advantages are achieved without compromising on their effectiveness at killing germs.

Problems solved by technology

This patented technical solution described in this patents solves issues related to plant growth due to overuse or excessive amounts of nutrients like water (H20) and pesclobutants during prolonged periods of time without improving productivity while also addressing environmental concerns associated with current treatments involving synthetic agents.

Method used

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  • Greenhouse vegetable soil sunlight disinfection method
  • Greenhouse vegetable soil sunlight disinfection method
  • Greenhouse vegetable soil sunlight disinfection method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Sunlight disinfection method for facility vegetable soil, the facility vegetable is continuous cropping greenhouse cucumber, and the specific disinfection method is:

[0026] In the season of the strongest sunlight in July to August in summer, after cleaning up the residues of the previous crops, the 0.15kg / m 2 Sprinkle the ammonium bicarbonate evenly on the soil surface, then immediately plow the soil 30cm deep, level it after deep plowing, and cover the soil surface with a transparent PE plastic film with a thickness of 0.03mm; Water down, pour the soil thoroughly without storing water, close the film after watering, seal the greenhouse, and carry out sunlight disinfection for 30 days.

[0027] Use a soil temperature recorder to measure the ground temperature during the disinfection period, and measure the temperature of 5 different soil depths below the soil surface: 0cm (surface), 5cm, 10cm, 15cm, and 20cm.

[0028] The disinfection soil samples were collected 3 da...

Embodiment 2

[0032] Sunlight disinfection method for facility vegetable soil, the specific disinfection method is:

[0033] During the period of high sunlight intensity from July to August in summer, after cleaning up the residues of the previous crops, according to 0.05kg / m 2 Sprinkle the ammonium bicarbonate evenly on the soil surface, then immediately plow the soil 35cm deep, level it after deep plowing, and cover the soil surface with a transparent PE plastic film with a thickness of 0.03mm; Water down, pour the soil thoroughly without accumulating water, close the film after watering, seal the greenhouse, and carry out sunlight disinfection for 25 days.

[0034] After the sunlight disinfection is completed, open all the vents of the greenhouse for ventilation, but the insect-proof nets at the vents should be complete. After 3 to 5 days of ventilation, prepare the ground for sowing or planting the next crop.

Embodiment 3

[0036] Sunlight disinfection method for facility vegetable soil, the specific disinfection method is:

[0037] During the period of high sunlight intensity from July to August in summer, after cleaning up the residues of the previous crops, according to 0.10kg / m 2 Sprinkle the ammonium bicarbonate evenly on the soil surface, then immediately plow the soil 36cm deep, level it after deep plowing, and cover the soil surface with a transparent PE plastic film with a thickness of 0.03mm; Water down, pour the soil thoroughly without storing water, close the film after watering, seal the greenhouse, and carry out sunlight disinfection for 28 days.

[0038] After the sunlight disinfection is completed, open all the vents of the greenhouse for ventilation, but the insect-proof nets at the vents should be complete. After 3 to 5 days of ventilation, prepare the ground for sowing or planting the next crop.

[0039] Comparison of the disinfection effect of the soil sunlight disinfection m...

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Abstract

The invention discloses a greenhouse vegetable soil sunlight disinfection method. The method comprises the following steps of: in leisure time in summer, clearing up previous crop residues, and uniformly applying ammonium bicarbonate on the surface of the soil according to the usage amount of 0.05 to 0.15kg/m<2>; and deeply plowing the soil for 30 to 40cm, flattening, covering a transparent thin film on the surface of the soil, watering under the film, sealing the greenhouse and performing sunlight irradiation disinfection for 25 to 50 days. The provided greenhouse vegetable soil sunlight disinfection method has the advantages of replacing the currently used lime nitrogen by novel soil-aided additive ammonium bicarbonate, and overcoming the defects of high price, narrow source and inconvenient large-area application of the lime nitrogen. The soil disinfection effects of the lime nitrogen and the ammonium bicarbonate are compared, the results prove that the ammonium bicarbonate has the same or better soil sunlight disinfection effect than the lime nitrogen.

Description

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Claims

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Application Information

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Owner NORTHWEST A & F UNIV
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