CN102523873A - Method for cultivating hybrid pennisetum in saline-alkali soil - Google Patents
Method for cultivating hybrid pennisetum in saline-alkali soil Download PDFInfo
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- CN102523873A CN102523873A CN2012100055058A CN201210005505A CN102523873A CN 102523873 A CN102523873 A CN 102523873A CN 2012100055058 A CN2012100055058 A CN 2012100055058A CN 201210005505 A CN201210005505 A CN 201210005505A CN 102523873 A CN102523873 A CN 102523873A
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Abstract
The invention discloses a method for cultivating hybrid pennisetum in saline-alkali soil, which includes the steps: treating hybrid pennisetum in the saline-alkali soil and a culture medium; treating plants before planting; planting; managing the hybrid pennisetum after planting; and the like. Ripe hybrid pennisetum can be obtained 6-6.5 months later. Using the method can increase the survival rate of the hybrid pennisetum in the saline-alkali soil by more than 15%, and increase growth of the hybrid pennisetum in the saline-alkali soil by more than 20%.
Description
Technical field
The present invention relates to the cultivation method of hybrid Chinese pennisetum, the cultivation method of particularly a kind of hybrid Chinese pennisetum on salt affected soil.
Background technology
Pearl millet crossbreed (following all claim crossbreed) be Pennisetum (
Pennisetun) in the dliploid American pennisetum alopecuroides (have another name called pearl millet,, illustrious name is pearl or bulrush; Formal name used at school
P.americanum(L) K.Schum=
P.
Typhoidum=
P.
Gloucum) and the tetraploid napier grass (have another name called napier-grass, illustrious name is napier grass or elephant grass; Formal name used at school does
P.purpureumSchum) interspecific cross, the triploid hybrid of generation, thereafter for shaky, common in the production with first-filial generation seminal propagation or vegetative propagation.
In International Grassland Congress, deliver " napier-grass and American pennisetum alopecuroides hybridization F_1 are for the seed production of cultivation type herbage " (1981 years from M.E.AKEN'OVA etc. in early days; The 14 International Grassland Congress's collection of thesis (first volume)) since the recommendation hybrid Chinese pennisetum; To recent Huang Qin building etc. (2009; Tropical crop journal 2009:01) and female army etc. (2011, Packaging Engineering 2011:19) to the research research so far always of each side such as the cultivation of hybrid Chinese pennisetum and development and use constantly.Especially hybrid Chinese pennisetum has characteristics such as photosynthetic efficiency height, carbon sink are strong, biological yield height, so develop and utilize as the biomass energy plant again.
Under the natural situation, hybrid Chinese pennisetum still is more intense to the adaptability of soil, and Ye Yongfang etc. (1997,1997:3) once introduced a fine variety hybrid Chinese pennisetum on the jiangsu coast beach and cultivate successfully by the Jiangsu agricultural science.But only generally becoming to live or adapt to as energy-source plant is that the maximum use that can not bring into play hybrid Chinese pennisetum is worth.The particularly survival rate of hybrid Chinese pennisetum on the abominable salt affected soil of environment and the further raising of amount of growth will be more valuable for the utilization of hybrid Chinese pennisetum.
Summary of the invention
The objective of the invention is provides the cultivation method of a kind of hybrid Chinese pennisetum on salt affected soil in order to solve above-mentioned technical problem.Comprise to soil and the cultivation matrix of hybrid Chinese pennisetum on saline and alkaline handle, management key point after method for planting and hybrid Chinese pennisetum are planted etc. is handled and planted to plant before the plantation that the relevant art requirement is arranged.
Technical scheme of the present invention
The cultivation method of a kind of hybrid Chinese pennisetum on salt affected soil comprises the steps:
(1), to the preliminary treatment of soil of plantation hybrid Chinese pennisetum
Before plantation hybrid Chinese pennisetum plant, salt affected soil is loosened the soil, the degree of depth 40 ~ 60cm makes soil block in small, broken bits loose, weeds a garden, thing such as stone;
Open bar shaped plantation ditch on the ground, ditch and ditch line-spacing 50cm, every furrow width 15 ~ 20cm, dark 15cm; Use peat soil with Cosan to be sprinkled into and cover 2 ~ 3 left and right sides cm in the ditch;
It is described that to puddle ratio with Cosan and peat soil in the peat soil of Cosan be 5mg:1000mg;
(2), plant is handled before the hybrid Chinese pennisetum plantation
Select the 5 monthly ages hybrid Chinese pennisetum near maturation above, healthy, no damage by disease and insect and put in order strain, remove blade, spray with 1 ‰ carbendazim on the surface; Be cut into the stem section with secateurs, every section 20 ~ 30cm does not injure the bud joint;
(3), plant method for planting
The hybrid Chinese pennisetum stem section of step (2) gained is inserted in the bar shaped plantation ditch of step (1), farmyard manures such as the pig manure that surface coverage is become thoroughly decomposed, cow dung or chicken manure, every mu of 600 ~ 1000kg uses the saline-alkali soil compacting of milpa at last, waters permeable getting final product;
(4), the management after the hybrid Chinese pennisetum plantation
Seedling stage, (before the 40cm height) to moisture-sensitive, noted taking precautions against drought; When hybrid Chinese pennisetum length arrives the 100cm left and right sides, once topdress, use mass ratio for every mu, i.e. N:P
2O
5: K
2O is 15:15:15 composite fertilizer 20 ~ 30kg;
After 6 ~ 6.5 months, hybrid Chinese pennisetum comes to the ripening period, and can gather in.
Technique effect of the present invention
Therefore the cultivation method of a kind of hybrid Chinese pennisetum of the present invention on salt affected soil, improved the salt affected soil environment of hybrid Chinese pennisetum plant rhizosphere periphery owing to use the peat soil with Cosan in the preliminary treatment of soil to the plantation hybrid Chinese pennisetum.And the plant strain is selected age in the plant treatment technology before the hybrid Chinese pennisetum plantation, to use concentration be that 1 ‰ carbendazim sprays and helps to improve survival rate of plant on the surface.
In addition, the cultivation method of a kind of hybrid Chinese pennisetum of the present invention on salt affected soil, the control of the rational farmyard manure of surface coverage and every mu of usage amount finally influences plant strain growth speed and amount of growth in kind of method for planting.Particularly in the management after the hybrid Chinese pennisetum plantation, the drought resisting in seedling stage is managed, and the reasonable control of opportunity of topdressing and the nutrients ratio that topdresses influences growth increment equally the most at last.
Final a kind of hybrid Chinese pennisetum of the present invention can improve hybrid Chinese pennisetum in survival rate on the salt affected soil more than 15% at the cultivation method on the salt affected soil, improves hybrid Chinese pennisetum simultaneously in amount of growth on the salt affected soil more than 20%.
Embodiment
Through embodiment the present invention is further set forth below, but do not limit the present invention.
Material therefor of the present invention be hybrid Chinese pennisetum (
Pennisetum americanumx
P.
Purpureum) derive from commercial.
Salt affected soil described in the embodiment of the invention is Bay area, Fengxian, a Shanghai City salt affected soil.
The quantity of plant quantity/seedling during total survival rate of hybrid Chinese pennisetum on salt affected soil=harvesting;
The amount of growth of hybrid Chinese pennisetum on salt affected soil calculated (comprising root, stem and leaf) with the fresh weight of plantation hybrid Chinese pennisetum of gained in the time of 6.5 months on every square metre of salt affected soil.
Embodiment 1
Hybrid Chinese pennisetum (
Pennisetum americanumx
P.
Purpureum) cultivation method on salt affected soil, comprise the steps:
(1), the salt affected soil of plantation hybrid Chinese pennisetum is handled
Ground is put in order in saline and alkaline soil: loosen the soil, degree of depth 50cm makes soil block in small, broken bits loose, weeds a garden, thing such as stone;
Open bar shaped plantation ditch, ditch and ditch line-spacing 50cm, every furrow width 18cm, dark 15cm on the ground at saline-alkali soil;
(2), use cultivation matrix and salt affected soil handled
Use the peat soil with Cosan to be sprinkled in the plantation ditch of step (1), slightly cover about 2.5cm, wherein said to puddle ratio with Cosan and peat soil in the peat soil of Cosan be 5mg:1000mg;
(3), plant is handled before the hybrid Chinese pennisetum plantation
Select above, healthy, no damage by disease and insect of 5 monthly ages near ripe whole strain, remove blade, surperficially spray with 1 ‰ carbendazim;
Be cut into the stem section with secateurs, every section 25cm does not injure the bud joint;
(4), plant method for planting
The stem section is inserted in the plantation ditch that is coated with the peat soil of Cosan, farmyard manures such as the pig manure that surface coverage is become thoroughly decomposed, cow dung or chicken manure, every mu of 800kg uses the saline-alkali soil compacting of milpa at last; Water permeable;
(5), the water and fertilizer management after the plantation
To moisture-sensitive, in time watered seedling stage before the 40cm height, notes taking precautions against drought;
When grass length arrives the 100cm left and right sides, once topdress, every mu is N:P with nutrients ratio by mass ratio
2O
5: K
2O is the composite fertilizer 25kg of 15:15:15;
6.5 after individual month, hybrid Chinese pennisetum comes to the ripening period, and can gather in.
The survival rate of hybrid Chinese pennisetum on salt affected soil of final gained is 98.6%, the amount of growth 18.5kg/m of hybrid Chinese pennisetum on salt affected soil
2
The comparative example 1
With reference to embodiment 1; But the preliminary treatment of not using the peat soil contain Cosan to carry out to the salt affected soil of plantation hybrid Chinese pennisetum; Also the hybrid Chinese pennisetum kind not being carried out that strain age is selected and concentration is used on hybrid Chinese pennisetum kind surface is that 1 ‰ carbendazim sprays, and does not also use farmyard manure, simultaneously in the management after the hybrid Chinese pennisetum plantation; Also effectively do not topdress, other are with embodiment 1.
Final total survival rate of on salt affected soil, cultivating the hybrid Chinese pennisetum of gained is 85.7%, and its amount of growth is 15.4 kg/m
2
Can draw cultivation method of the present invention through embodiment 1 and comparative example 1 and improve hybrid Chinese pennisetum in survival rate on the salt affected soil more than 15%; Improve hybrid Chinese pennisetum amount of growth 20% on salt affected soil simultaneously; Show the cultivation method of a kind of hybrid Chinese pennisetum of the present invention on salt affected soil thus, all had tangible technique effect aspect survival rate and the amount of growth.
Foregoing is merely the basic explanation of the present invention under conceiving, and according to any equivalent transformation that technical scheme of the present invention is done, all should belong to protection scope of the present invention.
Claims (3)
1. the cultivation method of a hybrid Chinese pennisetum on salt affected soil is characterized in that comprising the steps:
(1), to the preliminary treatment of soil of plantation hybrid Chinese pennisetum
Before plantation hybrid Chinese pennisetum plant, salt affected soil is loosened the soil, the degree of depth 40 ~ 60cm makes soil block in small, broken bits loose, weeds a garden and thing such as stone;
Open bar shaped plantation ditch on the ground, ditch and ditch line-spacing 50cm, every furrow width 15 ~ 20cm, dark 15cm; Use peat soil with Cosan to be sprinkled into and cover 2 ~ 3cm in the ditch;
(2), plant is handled before the hybrid Chinese pennisetum plantation
Select the 5 monthly ages hybrid Chinese pennisetum near maturation above, healthy, no damage by disease and insect and put in order strain, remove blade, spray with 1 ‰ carbendazim on the surface, is cut into the stem section with secateurs, and every section 20 ~ 30cm does not injure the bud joint;
(3), plant method for planting
The hybrid Chinese pennisetum stem section of step (2) gained is inserted in the bar shaped plantation ditch of step (1), the pig manure that surface coverage is become thoroughly decomposed, cow dung or chicken manure farmyard manure, every mu of 600 ~ 1000kg uses the saline-alkali soil compacting of milpa at last, waters permeable getting final product;
(4), the management after the hybrid Chinese pennisetum plantation
Seedling stage, the 40cm height was former to moisture-sensitive, noted taking precautions against drought; When hybrid Chinese pennisetum length arrives the 100cm left and right sides, once topdress, use mass ratio for every mu, i.e. N:P
2O
5: K
2O is 15:15:15 composite fertilizer 20 ~ 30kg;
Gather in after 6 ~ 6.5 months.
2. the cultivation method of a kind of hybrid Chinese pennisetum as claimed in claim 1 on salt affected soil is characterized in that:
In the preliminary treatment of step (1) to the soil of plantation hybrid Chinese pennisetum, pine soil depth 50cm;
Bar shaped plantation ditch furrow width 18cm;
Use peat soil to be sprinkled into ditch part omitted covering 2.5cm with Cosan;
Every section preferred 25cm of stem segment length during plant is handled before the plantation of step (2) hybrid Chinese pennisetum;
Step (3) is planted method for planting discal patch shape plantation ditch surface and is covered pig manure, the ox of becoming thoroughly decomposed by every mu of 800kg
Excrement or chicken manure farmyard manure;
When hybrid Chinese pennisetum length arrives the 100cm left and right sides, once topdress in the management after the plantation of step (4) hybrid Chinese pennisetum, use mass ratio for every mu, promptly N:P2O5:K2O is 15:15:15 composite fertilizer 25kg.
3. according to claim 1 or claim 2 the cultivation method of a kind of hybrid Chinese pennisetum on salt affected soil, it is characterized in that described in the step (1) to puddle ratio with Cosan and peat soil in the peat soil of Cosan be 5mg:1000mg.
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| CN 201210005505 CN102523873B (en) | 2012-01-10 | 2012-01-10 | Method for cultivating hybrid pennisetum in saline-alkali soil |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104472170A (en) * | 2014-11-28 | 2015-04-01 | 江苏沿海地区农业科学研究所 | Water-cultivation dry-cultivation high-yield cultivation method for pennisetum americanum |
| CN106973680A (en) * | 2017-04-12 | 2017-07-25 | 天津海泰市政绿化有限公司 | A kind of method that Chinese pennisetum is interplanted under varieties in saline-alkali areas city trees and shrubs |
| CN107018778A (en) * | 2017-04-12 | 2017-08-08 | 天津海泰市政绿化有限公司 | A kind of method that Stipa grandis is interplanted under varieties in saline-alkali areas city trees and shrubs |
| CN107646555A (en) * | 2017-09-12 | 2018-02-02 | 华东师范大学 | It is a kind of to handle the method for promoting plant total increment and ecological functions by linking |
| CN107711317A (en) * | 2017-11-16 | 2018-02-23 | 广西壮族自治区畜牧研究所 | A kind of interplanting method of purple napier grass and eucalyptus |
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| CN102197755A (en) * | 2011-05-13 | 2011-09-28 | 中国农业科学院兰州畜牧与兽药研究所 | Asexual propagation and culture technique for medium-sized pennisetum alopecuroides |
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Patent Citations (1)
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| CN102197755A (en) * | 2011-05-13 | 2011-09-28 | 中国农业科学院兰州畜牧与兽药研究所 | Asexual propagation and culture technique for medium-sized pennisetum alopecuroides |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104472170A (en) * | 2014-11-28 | 2015-04-01 | 江苏沿海地区农业科学研究所 | Water-cultivation dry-cultivation high-yield cultivation method for pennisetum americanum |
| CN106973680A (en) * | 2017-04-12 | 2017-07-25 | 天津海泰市政绿化有限公司 | A kind of method that Chinese pennisetum is interplanted under varieties in saline-alkali areas city trees and shrubs |
| CN107018778A (en) * | 2017-04-12 | 2017-08-08 | 天津海泰市政绿化有限公司 | A kind of method that Stipa grandis is interplanted under varieties in saline-alkali areas city trees and shrubs |
| CN107646555A (en) * | 2017-09-12 | 2018-02-02 | 华东师范大学 | It is a kind of to handle the method for promoting plant total increment and ecological functions by linking |
| CN107646555B (en) * | 2017-09-12 | 2020-07-10 | 华东师范大学 | Method for improving total plant growth and ecological function through linkage treatment |
| CN107711317A (en) * | 2017-11-16 | 2018-02-23 | 广西壮族自治区畜牧研究所 | A kind of interplanting method of purple napier grass and eucalyptus |
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| CN102523873B (en) | 2013-02-20 |
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