CN102017885A - Drip irrigation under film method for underground salt water cotton field - Google Patents
Drip irrigation under film method for underground salt water cotton field Download PDFInfo
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- CN102017885A CN102017885A CN2010105022992A CN201010502299A CN102017885A CN 102017885 A CN102017885 A CN 102017885A CN 2010105022992 A CN2010105022992 A CN 2010105022992A CN 201010502299 A CN201010502299 A CN 201010502299A CN 102017885 A CN102017885 A CN 102017885A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Abstract
The invention discloses a drip irrigation under film method for an underground salt water cotton field. An irrigation system comprises that: salt is pressed by fresh water in spring; and fresh or saltish flowing water is used for drip irrigation in a seedling stage, and 7 to 10g/L underground salt water is used for irrigating for 7 to 8 times in other periods. By the drip irrigation under film technology for 7 to 10g/L underground salt water cotton field, the irrigation guarantee rate in the cotton field of an irrigated area in severe shortage of fresh water resources can be greatly improved, and the cotton yield is over 380kg per mu; by the drip irrigation under film technology for 7 to 10g/L of underground salt water cotton field, limited fresh water and saltish water resources can be allocated to other relatively low-salt resistance crops, such as wheat, corn and the like. Therefore, the guarantee rate for agricultural irrigation in arid regions is integrally improved.
Description
Technical field
The present invention relates to irrigation technique field, cotton field, relate in particular to a kind of saline groundwater cotton field under-film drip irrigation method.
Background technology
The Tarim Basin is one of main cotton main producing region of China, cotton field fresh water ensurance probability of irrigation water is low, the area, downstream of (as peacock river, Tarimhe River etc.) in the great river, fresh water can only guarantee cotton development stage drip irrigation 5-6 time, be lower than normal drip irrigation number of times 9-11 time, output of cotton has only 200-300kg/mu, is seriously restricting high yield and the stable yields of cotton.But in the above-mentioned regional 20-50m degree of depth, be distributed with the underground water (moderate salt water) of more rich salinity 3-7g/L and the underground water (salt water) of salinity 7-10g/L.Existing test result shows, utilizes underground water (moderate salt water) the drip irrigation cotton field of salinity 3-7g/L, can guarantee that seedling stage next year, soil salt content was lower than 0.3%-0.5% simultaneously, and the normal growth that does not influence the next year cotton becomes the technical problem of being badly in need of solution.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of saline groundwater cotton field under-film drip irrigation method at the deficiencies in the prior art.
A kind of saline groundwater cotton field under-film drip irrigation method is characterized in that irrigation program is: use fresh water pressure salt spring; Utilize seedling stage light or little salty water in a canal carries out drip irrigation, all the other periods are with salinity 7-10g/L saline groundwater drip irrigations 7-8 time.
In part cotton main producing region, Tarim Basin, utilize the fresh water drip irrigation in seedling stage, can guarantee that at underground water that utilizes salinity 3-7g/L other breeding times (moderate salt water) of cotton and underground water (salt water) alternatively drip irrigating of salinity 7-10g/L output of cotton reaches the middle product-high yield level in local pure fresh water drip irrigation cotton field, after implementing winter irrigation or spring irrigation pressure salt, can guarantee that seedling stage next year, soil salt content was lower than 0.3%-0.5%, not influence the normal growth of next year cotton.
(1) implement can improve the extremely ensurance probability of irrigation water in cotton field, short irrigated area of freshwater resources greatly after the under-film drip irrigation technology of 7-10g/L saline groundwater cotton field, output of cotton can reach more than the 380kg/mu.
(2) after the under-film drip irrigation technology of enforcement 7-10g/L saline groundwater cotton field, limited fresh water and brackish water resource allocation can be given the irrigation of relative relatively poor other crops (as wheat, corn etc.) of salt resistance, improve the fraction of Tarim Basin agricultural irrigation on the whole.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1
Present embodiment has been set up drip irrigation test region, 7-10g/L saline groundwater cotton field in Nan Haizi village, Tarim Basin township, Weili County, Xinjiang Uygur Autonomous Regions, the central point geographical coordinate is 86 ° 18 ' 18.3 of east longitude ", 41 ° 16 ' 40.3 of north latitude ", the test region area is 200mu.Experimental period is the 4-9 month in 2009 and the 4-9 month in 2010.
The test region is the cotton main producing region in Xinjiang, is positioned at peacock river and Tarim Basin lower reaches of a river, and cotton field fresh water ensurance probability of irrigation water is low, and fresh water can only guarantee cotton development stage drip irrigation 3-4 time, is lower than normal drip irrigation number of times 9-11 time, and output of cotton has only 200kg/mu.But in the test region and surrounding area 7-10g/L underground water (salt water) than horn of plenty.
Beginning in 2009, spring irrigation is with 1 water in a canal (salinity 1-2g/L); Seedling stage, drip irrigation was with 1 water in a canal (salinity 1-2g/L); The irrigation water of all the other 8-9 time drip irrigation all is that the phreatic water (salt water, salinity is generally 7-10g/L) that extracts the limit, field is irrigated.The test region output of cotton is 382kg/mu, for check plot output (the check plot output of 3-5g/L brackish water and the rotation flow of 1-2g/L fresh water is 439kg/mu) 87.0%, for testing 191.0% of preceding output (200kg/mu).
Utilize in April, 2010 water in a canal (brackish water, salinity 2.0-3.2g/L) spring irrigation to press salt; 1 time (drip irrigation is 30-45m by norm to utilize water in a canal (brackish water, salinity 2.0-3.2g/L) drip irrigation seedling stage in June
3/ mu); The 7-8 month is with phreatic water (salt water, salinity the is generally 7-12g/L) drip irrigation on limit, field 6-7 time; Use water in a canal (1.2g/L) drip irrigation 1 time mid-August.Test region cotton average yield is 383.8kg/mu, is check plot output (439kg/mu) 87.4%, for testing 191.9% of preceding output (200kg/mu).
The testing data of comprehensive 2009-2010, it is feasible adopting the 7-10g/L saline groundwater to carry out the cotton field under-film drip irrigation in the cotton field, irrigated area, Tarim Basin that freshwater resources extremely lack, suitable irrigation method is: use fresh water pressure salt spring (the 4-5 month, flood season); Utilize seedling stage (June) water in a canal (1-2g/L fresh water or 2-3g/L brackish water) to carry out drip irrigation, all the other periods are used 7-10g/L underground water drip irrigation 7-8 time (meet the high flow year, can use fresh water drip irrigation 1 time in flood season mid-August).
Embodiment 2
Present embodiment has been set up drip irrigation test region, salinity underground water rotation flow cotton field among 7-10g/L saline groundwater and the 3-7g/L in Tarim Basin village, Tarim Basin township, Weili County, Xinjiang Uygur Autonomous Regions, geographical coordinate is 86 ° 15 ' 2.6 of east longitude "～86 ° 16 ' 25.9 ", 41 ° 16 ' 40.7 of north latitude "～41 ° 17 ' 15.6 ", the test region area is 2000mu.Experimental period is the 4-9 month in 2010.
The test region is the cotton main producing region in Xinjiang, is positioned at peacock river and Tarim Basin lower reaches of a river, and cotton field fresh water ensurance probability of irrigation water is low, and fresh water can only guarantee cotton development stage drip irrigation 4-5 time, is lower than normal drip irrigation number of times 9-11 time, and output of cotton has only 280kg/mu.But in the test region and surrounding area 7-10g/L underground water (salt water) than horn of plenty.
Utilize in April, 2010 water in a canal (fresh water, salinity 0.9-1.2g/L) spring irrigation to press salt; 1 time (drip irrigation is 30-40m by norm to utilize water in a canal (fresh water, salinity 0.9-1.2g/L) drip irrigation seedling stage in June
3/ mu); 15-31 day in July and 21-31 day in August do not have water supply, phreatic water (salt water, salinity the is generally 7-9g/L) drip irrigation on usefulness limit, field 3-4 time; All the other period water supply deficiencies are with mixing water (salinity the is generally 3-7g/L) drip irrigation of 7-9g/L saline groundwater and 1-2g/L water in a canal 4-6 time.Test region cotton average yield is 390.6kg/mu, is check plot output (439kg/mu) 89.0%, for testing 139.5% of preceding output (280kg/mu).
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (1)
1. a saline groundwater cotton field under-film drip irrigation method is characterized in that irrigation program is: use fresh water pressure salt spring; Utilize seedling stage light or little salty water in a canal carries out drip irrigation, all the other periods are with salinity 7-10g/L saline groundwater drip irrigations 7-8 time.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102301897A (en) * | 2011-07-27 | 2012-01-04 | 石河子科学技术开发交流中心 | Method for cultivating soybeans obtained through drip irrigation under mulching film |
| CN104718832A (en) * | 2015-02-02 | 2015-06-24 | 河北省农林科学院滨海农业研究所 | Saline-alkali land clayey soil field salinity regulation and control method |
| CN106106039A (en) * | 2016-06-30 | 2016-11-16 | 山东胜伟园林科技有限公司 | A kind of use steams water-saving method and the application in the flowering plum of plantation salt-soda soil thereof containing subtracting of naringin fertilizer |
| CN106386028A (en) * | 2016-08-18 | 2017-02-15 | 河南省农业科学院经济作物研究所 | Method for saving water and protecting seedling of cotton in serious saline and alkaline land |
| CN108633696A (en) * | 2018-05-11 | 2018-10-12 | 中国科学院新疆生态与地理研究所 | A kind of safe utilization method of inland underground shallow buried brackish water |
| CN110915615A (en) * | 2019-12-13 | 2020-03-27 | 中国科学院新疆生态与地理研究所 | Saline water drip irrigation method for preventing salt accumulation in protection forest |
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| CN101507403A (en) * | 2009-04-03 | 2009-08-19 | 中国科学院地理科学与资源研究所 | Saline-land salt-water drip-irrigation medlar cultivation method |
| CN101798122A (en) * | 2009-02-07 | 2010-08-11 | 中国农业科学院德州盐碱土改良实验站 | Brackish water freezing and thawing desalination method |
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| CN101798122A (en) * | 2009-02-07 | 2010-08-11 | 中国农业科学院德州盐碱土改良实验站 | Brackish water freezing and thawing desalination method |
| CN101507403A (en) * | 2009-04-03 | 2009-08-19 | 中国科学院地理科学与资源研究所 | Saline-land salt-water drip-irrigation medlar cultivation method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102301897A (en) * | 2011-07-27 | 2012-01-04 | 石河子科学技术开发交流中心 | Method for cultivating soybeans obtained through drip irrigation under mulching film |
| CN104718832A (en) * | 2015-02-02 | 2015-06-24 | 河北省农林科学院滨海农业研究所 | Saline-alkali land clayey soil field salinity regulation and control method |
| CN106106039A (en) * | 2016-06-30 | 2016-11-16 | 山东胜伟园林科技有限公司 | A kind of use steams water-saving method and the application in the flowering plum of plantation salt-soda soil thereof containing subtracting of naringin fertilizer |
| CN106386028A (en) * | 2016-08-18 | 2017-02-15 | 河南省农业科学院经济作物研究所 | Method for saving water and protecting seedling of cotton in serious saline and alkaline land |
| CN108633696A (en) * | 2018-05-11 | 2018-10-12 | 中国科学院新疆生态与地理研究所 | A kind of safe utilization method of inland underground shallow buried brackish water |
| CN110915615A (en) * | 2019-12-13 | 2020-03-27 | 中国科学院新疆生态与地理研究所 | Saline water drip irrigation method for preventing salt accumulation in protection forest |
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Application publication date: 20110420 |