CN1475104A - Desert protectire forest drip irrigation application technology - Google Patents
Desert protectire forest drip irrigation application technology Download PDFInfo
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- CN1475104A CN1475104A CNA031456235A CN03145623A CN1475104A CN 1475104 A CN1475104 A CN 1475104A CN A031456235 A CNA031456235 A CN A031456235A CN 03145623 A CN03145623 A CN 03145623A CN 1475104 A CN1475104 A CN 1475104A
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- irrigation
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- forest
- hollow billet
- drip irrigation
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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
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Abstract
A drip irrigation technique for the shelter forest of sandy field features that the consumed water volume, irrigation period and rotation irrigation regions are designed according to the summer season, its system is composed of water pump, filter system, fertilizer applying and irrigating unit and irrigation network composed of trunk, branch tubes, and capillary tubes, and proper dripping head, arranging method and irrigation rule and chosen reasonably.
Description
Technical field
The present invention relates to plant trees and the method for tackling desert field particularly a kind of sand ground shelter forest drip irrigation application technology.
Background technology
Drip irrigation technique is the water-saving irrigation technique that China introduces from Israel, be mainly used in the agricultural production, canal irrigation is still adopted in the irrigation of China sand ground shelter forest basically, has only small part to adopt channel seepage technique in canal irrigation, and the seepage phenomenon is very serious; Irrigate afforestation, smooth sand ground, do abnormal or trench digging, adopt canal irrigation, the water source need arrive the forest land by channel, and the seepage and the evaporation loss of this process water are very big, and the young growth of new afforestation tends to because the irrigation that can not get suiting causes survival rate to reduce.
Chinese patent " channel water drip irrigation technique " (CN1340296) discloses and a kind ofly not only had been suitable for making the water source but also being suitable for the irrigation system that channel water is made the water source with motor-pumped well, is mainly used in field irrigation.
Summary of the invention
The objective of the invention is to overcome the deficiency of canal irrigation, a kind of sand ground shelter forest drip irrigation application technology is provided.
The present invention realizes by following scheme: sand ground shelter forest drip irrigation application technology, select corresponding seeds according to the purpose of afforestation and desertification control, and the major technique means of employing comprise:
(1) water source balance: the hottest day in month water consumption design irrigation quantity, watering period and wheel irrigated area when growing into forest;
(2) stem engineering: mainly irritate three parts by water pump, filtration system, fertilising and form, determining of pump head is after pipe network system hydraulics calculates, and can satisfy a worst operating pressure that the hollow billet water dropper is required;
(3) pipe network system structure: the pipe network of drip irrigation system generally is made of the person in charge, arm and hollow billet triode net, and hollow billet is perpendicular to arm, and arm is perpendicular to the person in charge;
(4) water dropper selection, layout and irrigation program: water dropper selects flow greater than 3L/h, and water dropper is arranged: every row tree is arranged a hollow billet, and dripper spacing and trees spacing are consistent irrigation program: adopt short period, medium irrigating water quota.
The present invention has carried out application experiment in the 300 mu of shelter forests in botanical garden, Yinchuan and 700 mu of view woodss, compare with canal irrigation, economize on the use of funds 2.25 ten thousand yuan, 1.88 ten thousand yuan of annual water saving, saving recruitments, under same land occupation condition, make survival rate bring up to 93.50%, and amount of growth is also because of having improved 6.0% with drip irrigation by 87.75%.
Embodiment
With the well irrigation is the arid biogeographic zone afforestation and desertification control at water source, when using water-saving irrigation technique, must carry out special planning and designing to layout of water source balance, stem engineering, pipe network system etc., purpose according to afforestation and desertification control, select corresponding seeds, with the peripheral He Sha in oasis district railway, both sides of highway active dune, and the husky construction of distinguishing the well-irrigated area economic forest is example, and the major technique measure of employing is as follows:
1. water source balance: according to water yield of well (m
3/ h) and the availability of water, the hottest month unit plane day of year water consumption (mm/d) or individual plant day water consumption (mm/ strain) when growing into forest, design irrigation volume, watering period and wheel irrigated area.
2. stem engineering: mainly form by water pump, filtration system and fertilizer spreading tank three parts.The selected principle of pump head is after the hydraulics of pipe network system calculates, can satisfy a worst operating pressure that the hollow billet water dropper is required.The filtration system of well-irrigated area generally needs centrifugal and the screen cloth double-filtration.Fertilizer spreading tank can be selected the fertilizer spreading tank of respective volume specification according to water yield of well and wheel irrigated area area.
3. pipe network system structure: the pipe network of drip irrigation system, generally constitute by the person in charge, arm and hollow billet triode net, hollow billet is perpendicular to arm, and arm is perpendicular to the person in charge.For tall and big sand dune, hollow billet should be by the contour setting.
4. determine to irritate the density of net: the density of determining to irritate net according to the seeding row spacing of seeds, the general many shrub seeds of burying with high temperature resistant, weather-proof, anti-sand of the construction in the husky shelter belt of protection resistance, as willow, arrow-leaved oleaster, pinus sylvestris var. mongolica, Hu Yang and Chinese tamarisk, Radix Calligoni Mongolici, caragana etc., general line-spacing 2-3m, spacing in the rows 1.5-3.0m.
5. water dropper selection, layout and irrigation program: vertically infiltrate at sand ground moisture and laterally to move greater than moisture, the effective water content of soil is low, the radius of wetted bulb features of smaller, and water dropper should be selected the water dropper of flow greater than 3L/h; Water dropper is arranged: every row tree is arranged a hollow billet, and the forest belt water dropper arrangement pitch 0.5-1.0 rice that spacing in the rows is little makes it form a humid zone, and every tree in forest belt that spacing in the rows is big is arranged two water droppers, and dripper spacing is 1.0 meters; Irrigation program: adopt short period, medium irrigating water quota.
Claims (1)
1, sand ground shelter forest drip irrigation application technology is selected corresponding seeds according to the purpose of afforestation and desertification control, it is characterized in that the major technique means that adopt comprise:
(1) water source balance: the hottest day in month water consumption design irrigation quantity, watering period and wheel irrigated area when growing into forest;
(2) stem engineering: mainly irritate three parts by water pump, filtration system, fertilising and form, determining of pump head is after pipe network system hydraulics calculates, and can satisfy a worst operating pressure that the hollow billet water dropper is required.
(3) pipe network system structure: the pipe network of drip irrigation system generally is made of the person in charge, arm and hollow billet triode net, and hollow billet is perpendicular to arm, and arm is perpendicular to the person in charge.
(4) water dropper selection, layout and irrigation program: water dropper selects flow greater than 3L/h, and water dropper is arranged: every row tree is arranged a hollow billet, and dripper spacing and trees spacing are consistent.Irrigation program: adopt short period, medium irrigating water quota.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031456235A CN1475104A (en) | 2003-06-30 | 2003-06-30 | Desert protectire forest drip irrigation application technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031456235A CN1475104A (en) | 2003-06-30 | 2003-06-30 | Desert protectire forest drip irrigation application technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1475104A true CN1475104A (en) | 2004-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031456235A Pending CN1475104A (en) | 2003-06-30 | 2003-06-30 | Desert protectire forest drip irrigation application technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1475104A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294802C (en) * | 2005-01-05 | 2007-01-17 | 中国科学院新疆生态与地理研究所 | Method of forestation without irrigation for stationary/half-stationary dessert |
| CN102132667A (en) * | 2010-11-15 | 2011-07-27 | 中国科学院新疆生态与地理研究所 | Water-saving irrigation method for establishment of oleaster shelter forest in arid area |
| CN102907297A (en) * | 2012-11-02 | 2013-02-06 | 中国科学院新疆生态与地理研究所 | Method for recovering vegetation in desertified land in extremely droughty area |
| CN103053242A (en) * | 2013-01-10 | 2013-04-24 | 石河子炮台农场 | Desert control method by three-dimensional cyclic planting |
| CN111316807A (en) * | 2020-04-27 | 2020-06-23 | 西北农林科技大学 | Water and fertilizer integrated drip irrigation method suitable for hillside orchard |
-
2003
- 2003-06-30 CN CNA031456235A patent/CN1475104A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294802C (en) * | 2005-01-05 | 2007-01-17 | 中国科学院新疆生态与地理研究所 | Method of forestation without irrigation for stationary/half-stationary dessert |
| CN102132667A (en) * | 2010-11-15 | 2011-07-27 | 中国科学院新疆生态与地理研究所 | Water-saving irrigation method for establishment of oleaster shelter forest in arid area |
| CN102907297A (en) * | 2012-11-02 | 2013-02-06 | 中国科学院新疆生态与地理研究所 | Method for recovering vegetation in desertified land in extremely droughty area |
| CN103053242A (en) * | 2013-01-10 | 2013-04-24 | 石河子炮台农场 | Desert control method by three-dimensional cyclic planting |
| CN103053242B (en) * | 2013-01-10 | 2015-07-22 | 石河子炮台农场 | Desert control method by three-dimensional cyclic planting |
| CN111316807A (en) * | 2020-04-27 | 2020-06-23 | 西北农林科技大学 | Water and fertilizer integrated drip irrigation method suitable for hillside orchard |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |