Cotton replanting underground drip irrigation technique

A subsurface drip irrigation technology, applied in cultivation, horticulture, botany equipment and methods, etc., can solve problems such as residual film pollution, achieve the effects of reducing white pollution, reducing costs, and facilitating automation

Inactive Publication Date: 2008-03-05
SHIHEZI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The invention relates to a cotton planting and water-saving irrigation technology, which is characterized by organically combining the seedling raising and transplanting technology with the underground drip irrigation technology, and giving full play to their respective strengths to form a new type of cultivation water-saving irrigation technology—the cotton transplanting underground drip irrigation technology , when the film-free covering is used, it can effectively solve the limitations of the current application of underground drip irrigation technology and the problem of residual film pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] (1) Carry out greenhouse cotton seedling cultivation, when the first true leaf appears and grows to about 15cm, and when the temperature is in the range of 18-22°C, the optimum temperature for cotton seedling growth, prepare for transplanting.

[0018] (2) Transplanting, the transplanting depth is about 15cm, the soil type of the transplanting field is medium loam, the buried depth of the underground drip irrigation capillary is 35cm, the distance between the drippers is 30cm, the flow rate of the drippers is 1.2L / h, and no film is used.

[0019] (3) Carry out underground drip irrigation, the irrigation time is about 6 hours, and the irrigation quota is 16m 3 / 667m 2 , which can make the cotton root system contact with irrigation water to ensure the growth of cotton seedlings. Instead of transplanting, directly apply underground drip irrigation for seedling emergence, and the irrigation quota needs to be 35m 3 / 667m 2 More than 19m of water saving compared with 3 / 6...

Embodiment 2

[0022] (1) Carry out greenhouse cotton seedling cultivation, when the first true leaf appears and grows to about 15cm, and when the temperature is in the range of 18-22°C, the optimum temperature for cotton seedling growth, prepare for transplanting.

[0023] (2) Transplanting, the transplanting depth is about 15cm, the soil type of the transplanting field is light loam, the depth of the underground drip irrigation capillary is 15cm, the distance between the drippers is 30cm, the flow rate of the drippers is 2.8L / h, and no film is used.

[0024] (3) Carry out underground drip irrigation, the irrigation time is about 3 hours, and the irrigation quota is 20m 3 / 667m 2 , can completely moisten the cotton root system and ensure the growth of cotton seedlings.

[0025] (4) In the future, according to the water demand of each growth stage of cotton, underground drip irrigation can be used for irrigation. When using this shallow underground drip irrigation, the underground drip irri...

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Abstract

The present invention relates to a cotton planting and water-saving irrigation technique. It is characterized by that said invention makes the cotton seedling cultivation and transplantation technique be organically combined with underground drip irrigation technique so as to form the invented cotton transplantation underground drip-irrigation technique. Said invention also provides the concrete technical requirement and concrete operation steps of said cotton transplantation underground drip-irrigation technique.

Description

[0001] Invention name: [0002] Underground Drip Irrigation Technology for Cotton Transplanting Technical field [0003] This technology belongs to the field of modern agricultural technology and water-saving irrigation technology, and involves a new type of organic combination of water-saving irrigation technology and agronomic cultivation technology, that is, the combination of underground drip irrigation and transplanting. The limitations of subsurface drip irrigation technology and the problem of residual film pollution. Background technique [0004] At present, the pollution of farmland residual film is becoming more and more serious. Although there are many solutions, the effect is not ideal, and none of them can fundamentally solve the problem. If the plastic film is not used, it will seriously affect the germination of crop seeds, greatly reduce the emergence rate, and cause soil moisture to evaporate after irrigation. The loss was severe. [0005] Subsurface Drip ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G25/06
Inventor 王振华郑旭荣吕德生安俊波刘洪光范文波
Owner SHIHEZI UNIVERSITY
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