CN103460946A - Method for improving survival rate of kosteletzkya virginica planted in seaside saline soil - Google Patents

Method for improving survival rate of kosteletzkya virginica planted in seaside saline soil Download PDF

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Publication number
CN103460946A
CN103460946A CN201310432345XA CN201310432345A CN103460946A CN 103460946 A CN103460946 A CN 103460946A CN 201310432345X A CN201310432345X A CN 201310432345XA CN 201310432345 A CN201310432345 A CN 201310432345A CN 103460946 A CN103460946 A CN 103460946A
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soil
nutritive cube
furrow
survival rate
plantation
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CN201310432345XA
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张焕仕
钦佩
潘少明
王猛
张�浩
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High-Tech Research Institute Nanjing University Lianyungang
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High-Tech Research Institute Nanjing University Lianyungang
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Abstract

The invention discloses a method for improving the survival rate of kosteletzkya virginica planted in seaside saline soil. The method comprises the four steps of (1) preparation of soil for a nutrition pot, (2) land preparation, (3) plantation and (4) management. By the adoption of the method, the germination rate and survival rate of the kosteletzkya virginica in heavy saline soil are effectively improved to over 90 percent and over 99 percent respectively. The method is easy to operate, low in cost and easy to popularize.

Description

A kind of method that improves seaside saline-soil plantation kostelezkya virginica survival rate
Technical field
The invention belongs to field of ecological planting technology, be specifically related to a kind of method that improves seaside saline-soil plantation kostelezkya virginica survival rate.
Background technology
Nearly 0.2 hundred million hectares of China's seaside saline-soil, 3,000,000 hectares of left and right of coastal saline soil area, be the important standby land resources of China.Growing and can utilize under the background that arable land sharply reduces at current China's population, introduce a fine variety on beach by the sea and develop and there is the salt-tolerant plant that Important Economic is worth and attracted increasing concern.Wherein, the kostelezkya virginica of being introduced from the U.S. in 1993~nineteen ninety-five by the admiration professor of Nanjing University becomes in recent years domestic shore reclamation by the sea and pays close attention to more a kind of focus plant utilizing process.
Kostelezkya virginica (Kosteletzkya virginica(L) presl.) be the Malvaceae herbaceos perennial, originate in the saliferous marshland of the coastal Delaware State to the Texas in eastern united states.It possesses the anti-characteristic of flooding of salt tolerant, and the growth substrate salt content, up to 2.5%, can promote beach or enclose and cultivate district's desalination getting fat; Its seed is rich in fat and protein, is important oil plant, feed resource; Its piece root contains the three major types active component: polysaccharide, general flavone and saponin, there is good enhancing immunity of organisms and anti-inflammatory efficacy, and can develop health food, medicine or feed addictive etc.; Its stem hide fiber can be developed as multiple textile; Its flower is large and the florescence is long, has higher landscape value and economic worth, is a kind of multiduty good salt tolerant oil plants.Widely popularize this halophytes of plantation for development circumlittoral agriculture economy in China's Coastal Areas, promote seaside saline-soil to develop, improve the beach ecotope and there is important strategic importance.The main plantation district of China's kostelezkya virginica is positioned at beach ground, northern Suzhou, Jiangsu at present, at the coastal beach of the provinces such as Shandong and Liaoning, fragmentary distribution is also arranged in addition.Yet, because the high salinity of seaside saline-soil causes solonchak available N and P, potassium, organic equal size low, the pH value is higher, and water-permeable and air permeable is poor, easily harden, severe inhibition crop seed germination rate, make that the crop seedling survival rate is low, growing way is poor, finally causes output to decline to a great extent.Although the kostelezkya virginica plant has certain salt resistance, but the natural germination rate on the beach saline soil of northern Suzhou is very low, soil salt content surpasses 10 ‰ o'clock germination rates and declines to a great extent, substantially do not sprout to 25 ‰, even sprout also because the severe salt stress causes survival rate extremely low, this has greatly limited its output and economic output.
Summary of the invention
The object of the present invention is to provide a kind of method that can improve seaside saline-soil plantation kostelezkya virginica germination rate and survival rate.
The present invention is achieved through the following technical solutions:
A kind of method that improves seaside saline-soil plantation kostelezkya virginica survival rate, carry out according to the following steps:
(1) prepare soil for nutritive cube: by salt tolerant phosphate solubilizing bacteria, arbuscular mycorrhizal fungi and common agricultural land soil, be 4~6: 3~5 in mass ratio: after 80~100 ratio mixes, packing into is highly the nutritive cube of 15cm, and soil loading amount is as the criterion with distance rim of a cup 3cm;
(2) whole ground: be chosen in the last ten-days period in May, will treat that weeding post-trenching in planting site earth's surface does furrow, the furrow specification is 20m * 4m, and every furrow both sides excavation width is 0.4m~0.6m, the furrow ditch that the degree of depth is 0.3m~0.5m;
(3) plantation: according to seeding row spacing 0.3m * 0.8m, dig the acupuncture point that the degree of depth is 12cm~14cm, then after at the bottom of nutritive cube being removed glass, put into acupuncture point, use rammed earth, first water irrigates the compost in nutritive cube, then each nutritive cube is put into 4~6 kostelezkya virginica seeds, cover the thick Nutrition Soil of 1cm, then cover rice husk or the wood chip that one deck 1cm is thick, last full line planting area reed straw covered with sunshade;
(4) management: after emerging in 3~5 days, retain each nutritive cube one strain seedling, dailyly carry out the weeding measure.
Described salt tolerant phosphate solubilizing bacteria is sabkha apophysis mould (Apophysomyces spartina), from Yancheng nature reserve spartina alterniflora loisel's beach soil, be preserved in China Committee for Culture Collection of Microorganisms's common micro-organisms center, preserving number is CGMCCNo.7717;
Described arbuscular mycorrhizal fungi is Glomus mosseae (Glomus mosseae), from Inst. of Plant Nutrition &. Resource, Beijing City Academy of Agricultural &. Fo " Arbuscular Mycorrhizal Fungi In China germplasm resource bank (BGC) ", buys.
Described common agricultural land soil refers to that salt content is lower than 1 ‰ soil, other physical and chemical index no requirement (NR)s.
Described nutritive cube is commercially available degradable dixie cup, and bore is 5~8cm, is highly 15cm.
The present invention utilizes nutritive cube also to adopt the processing such as covering rice husk or wood chip, reed straw to plant kostelezkya virginica on strongly salined soil, has effectively avoided the kostelezkya virginica sprouting initial stage to be subject to the salt stress impact and has caused the drawback that germination rate is low, and germination rate is reached more than 90%; Add microbial bacterial agent in nutritive cube compost used, can improve the nutrient components such as rapid available phosphorus that lack in seaside saline-soil for the kostelezkya virginica seedling, and can enlarge the scope of Root Absorption mineral nutrition, improve the salt stress-resistant ability of seedling, the kostelezkya virginica seedling percent is reached more than 99%; Be chosen in and plant kostelezkya virginica the last ten-days period in May and can take full advantage of the facility that riviera progresses into rainy season, rainwater has not only rinsed a large amount of salinities on earth's surface, also for the sprouting of kostelezkya virginica with survive and improved enough moisture without manually watering, a large amount of freshwater resources and manpower and materials have been saved.
Specific implementation method
One embodiment below is described in detail in detail, but it is not limited to any or similar example in these embodiment.
1. enforcement place
Be positioned at the discarded place of evaporating brine, Qing Kou saltern, Lianyungang, Jiangsu Province with implementing, belong to north subtropical fallen leaves, evergreen broad-leaved forest belt weather.3~May of every year, drought, entered rainy season since the last ten-days period in May.Evaporate brine owing to carrying for a long time halogen in this ground, soil salt content is up to 15.6g/kg, organic 5.23g/Kg, pH8.94, rapid available phosphorus 7.21mg/Kg, available potassium 617.2mg/Kg, available nitrogen 55.7mg/Kg.Its soil is clay loam, and natural vegetation seldom or undergrowth.
2. implementation method and content
(1) prepare soil for nutritive cube: after the ratio that is 4: 3: 80 in mass ratio by salt tolerant phosphate solubilizing bacteria, arbuscular mycorrhizal fungi and common agricultural land soil mixes, packing into is highly the nutritive cube of 15cm, and soil loading amount is as the criterion with distance rim of a cup 3cm.
(2) wholely: be chosen in the last ten-days period in May, will treat the simple weeding in planting site earth's surface, smooth, do not turned over and can avoid taking underground salinity to earth's surface.Then trench digging is done furrow, and the furrow specification is 20m * 4m, furrow ditch parallel with furrow length of every furrow both sides excavation, and width is 0.6m, the degree of depth is 0.5m.
(3) plantation: according to seeding row spacing 0.3m * 0.8m, dig the acupuncture point that the degree of depth is 12cm (cave deeply can be avoided rainwash to wrap up in the band salinity lower than the nutritive cube height and enter nutritive cube), then after at the bottom of nutritive cube being removed glass, put into acupuncture point, use rammed earth, first water irrigates the compost in nutritive cube, then each nutritive cube is put into 5 kostelezkya virginica seeds (commercially available), cover the thick Nutrition Soil of 1cm, then cover the rice husk that one deck 1cm is thick, last full line planting area reed straw covered with sunshade.
(4) management: after emerging in 3~5 days, retain each nutritive cube one strain seedling, dailyly carry out weeding and get final product, without watering and other measures such as deinsectization.
(1) phosphate solubilizing bacteria of salt tolerant described in is sabkha apophysis mould (Apophysomyces spartina); from Yancheng nature reserve spartina alterniflora loisel's beach soil; be preserved in China Committee for Culture Collection of Microorganisms's common micro-organisms center; preserving number is CGMCCNo.7717, utilizes Martin's medium to expand numerous obtaining.Described arbuscular mycorrhizal fungi is Glomus mosseae (Glomus mosseae), from Inst. of Plant Nutrition &. Resource, Beijing City Academy of Agricultural &. Fo " Arbuscular Mycorrhizal Fungi In China germplasm resource bank (BGC) ", buys; Described common agricultural land soil refers to the soil that salt content is 0.45wt ‰.Described nutritive cube is commercially available degradable dixie cup, and bore is 8cm, is highly 15cm.
3. result of implementation
After adopting above technology plantation kostelezkya virginica, the kostelezkya virginica germination rate reaches 95.8%, and seedling percent is 100%.Growth of seedling has no the phenomena of mortality in 1 year, and it is vigorous to grow, and root system is very large, in late August, can yield positive results successively.
Below in conjunction with comparative trial, the invention will be further described.
Test the impact on the kostelezkya virginica survival rate with soil of 1 nutritive cube
Process of the test: practice ground is the same.After the ratio that is respectively 1: 6: 93,5: 4: 91,10: 2: 88 in mass ratio by salt tolerant phosphate solubilizing bacteria, arbuscular mycorrhizal fungi and common agricultural land soil mixes, packing into is highly the nutritive cube of 15cm, and soil loading amount is as the criterion with distance rim of a cup 3cm; The Nutrition Soil of every kind of ratio fills 100 nutritive cubes.Then be chosen in the last ten-days period in May, will treat that weeding post-trenching in planting site earth's surface does furrow, the furrow specification is 20m * 4m, and every furrow both sides excavation width is 0.4m, the furrow ditch that the degree of depth is 0.3m; Dig according to seeding row spacing 0.3m * 0.8m the acupuncture point that the degree of depth is 14cm, then after at the bottom of nutritive cube being removed glass, put into acupuncture point, use rammed earth, first water irrigates the compost in nutritive cube, then each nutritive cube is put into 5 kostelezkya virginica seeds, cover the thick Nutrition Soil of 1cm, then cover rice husk or the wood chip that one deck 1cm is thick, last full line planting area reed straw covered with sunshade; Each the nutritive cube one strain seedling of rear reservation that emerges, dailyly carry out the weeding measure.Measure germination rate after 5 days, measure each ecological index after 100 days, in Table 1.
Table 1 nutritive cube is the impact on the kostelezkya virginica survival rate with soil
Configuration proportion 1∶6∶93 5∶4∶91 10∶2∶88
Germination rate (%) 84 95 91
Survival rate (%) 55 98 73
Plant height (cm) 33 106 58
Branch amount 11 35 16
Dry weight (g/ strain) 23 78 34
By table, can be found out, utilizing the nutritive cube of salt tolerant phosphate solubilizing bacteria, arbuscular mycorrhizal fungi and the preparation of common agricultural land soil of different proportion is not very large with the native impact of the germination rate on kostelezkya virginica, but survival rate and upgrowth situation are affected significantly.The kostelezkya virginica germination rate that is 5: 4: 91 o'clock at the configuration proportion of salt tolerant phosphate solubilizing bacteria, arbuscular mycorrhizal fungi and common agricultural land soil and survival rate be all for the highest, and all show best growth result on the indexs such as plant height, branch amount and dry weight.

Claims (3)

1. a method that improves seaside saline-soil plantation kostelezkya virginica survival rate, is characterized in that, comprises the following steps:
(1) prepare soil for nutritive cube: by salt tolerant phosphate solubilizing bacteria, arbuscular mycorrhizal fungi and common agricultural land soil, be 4~6: 3~5 in mass ratio: after 80~100 ratio mixes, packing into is highly the nutritive cube of 15cm, and soil loading amount is as the criterion with distance rim of a cup 3cm;
(2) whole ground: be chosen in the last ten-days period in May, will treat that the simple weeding post-trenching in planting site earth's surface does furrow, the furrow specification is 20m * 4m, and one of every furrow both sides excavation is grown parallel furrow ditch with furrow, and furrow ditch width is 0.4m~0.6m, and the degree of depth is 0.3m~0.5m;
(3) plantation: according to seeding row spacing 0.3m * 0.8m, dig the acupuncture point that the degree of depth is 12cm~14cm, then after at the bottom of nutritive cube being removed glass, put into acupuncture point, use rammed earth, first water irrigates the compost in nutritive cube, then each nutritive cube is put into 4~6 kostelezkya virginica seeds, cover the thick Nutrition Soil of 1cm, then cover rice husk or the wood chip that one deck 1cm is thick, last full line planting area reed straw covered with sunshade;
(4) management: after emerging in 3~5 days, retain each nutritive cube one strain seedling, dailyly carry out the weeding measure.
2. a kind of method that improves seaside saline-soil plantation kostelezkya virginica survival rate according to claim 1, is characterized in that described salt tolerant phosphate solubilizing bacteria is sabkha apophysis mould; Described arbuscular mycorrhizal fungi is Glomus mosseae.
3. a kind of method that improves seaside saline-soil plantation kostelezkya virginica survival rate according to claim 1, is characterized in that described common agricultural land soil refers to the soil of salt content lower than 1wt ‰; Described nutritive cube is the degradable dixie cup, and bore is 5~8cm, is highly 15cm.
CN201310432345XA 2013-09-18 2013-09-18 Method for improving survival rate of kosteletzkya virginica planted in seaside saline soil Pending CN103460946A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103733858A (en) * 2014-01-02 2014-04-23 江苏海力发生物科技有限公司 Root tuber of kosteletzkya virginica being salt-tolerant plant and ecological cultivation method and application thereof
CN105594426A (en) * 2015-12-23 2016-05-25 安徽森沣农业综合开发有限公司 Method for planting polygonatum cyrtonema
CN106258057A (en) * 2016-08-09 2017-01-04 中国矿业大学(北京) Arbuscular mycorrhiza and phosphate solubilizing bacteria work in coordination with promotion plant growing and the method for soil improvement
CN106583431A (en) * 2016-12-21 2017-04-26 河南科技学院 Bioremediation method for soil polluted by heavy metal lead cadmium and base on kosteletzkya virginica
CN109479631A (en) * 2018-12-12 2019-03-19 金陵科技学院 A method of it improving salt-soda soil kostelezkya virginica and grows directly from seeds shoot survival percent

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CN102172145A (en) * 2011-02-14 2011-09-07 天津师范大学 Application of waste compost microbial agent to improving salt resistance of lawn grass
CN102845204A (en) * 2012-09-07 2013-01-02 大连民族学院 Method for planting alfalfa in moderately severe carbonate saline-alkali soil on large scale

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CN101331833A (en) * 2008-07-25 2008-12-31 南京大学 Use of AM phosphorus bacteria in seaside solonchak implantation
CN102172145A (en) * 2011-02-14 2011-09-07 天津师范大学 Application of waste compost microbial agent to improving salt resistance of lawn grass
CN102845204A (en) * 2012-09-07 2013-01-02 大连民族学院 Method for planting alfalfa in moderately severe carbonate saline-alkali soil on large scale

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103733858A (en) * 2014-01-02 2014-04-23 江苏海力发生物科技有限公司 Root tuber of kosteletzkya virginica being salt-tolerant plant and ecological cultivation method and application thereof
CN105594426A (en) * 2015-12-23 2016-05-25 安徽森沣农业综合开发有限公司 Method for planting polygonatum cyrtonema
CN106258057A (en) * 2016-08-09 2017-01-04 中国矿业大学(北京) Arbuscular mycorrhiza and phosphate solubilizing bacteria work in coordination with promotion plant growing and the method for soil improvement
CN106583431A (en) * 2016-12-21 2017-04-26 河南科技学院 Bioremediation method for soil polluted by heavy metal lead cadmium and base on kosteletzkya virginica
CN109479631A (en) * 2018-12-12 2019-03-19 金陵科技学院 A method of it improving salt-soda soil kostelezkya virginica and grows directly from seeds shoot survival percent

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Application publication date: 20131225