CN102523873B - 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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- CN102523873B CN102523873B CN 201210005505 CN201210005505A CN102523873B CN 102523873 B CN102523873 B CN 102523873B CN 201210005505 CN201210005505 CN 201210005505 CN 201210005505 A CN201210005505 A CN 201210005505A CN 102523873 B CN102523873 B CN 102523873B
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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, particularly the cultivation method of 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 is
P.purpureumSchum) interspecific cross, the Triploid of generation, its offspring is shaky, usually uses first-filial generation seminal propagation or vegetative propagation in the production.
Deliver " the seed production of napier-grass and American pennisetum alopecuroides F_1 Crossbred cultivation type herbage " in International Grassland Congress (1981 from M.E.AKEN'OVA etc. in early days, the 14 International Grassland Congress's collection of thesis (first volume)) since the promotion 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 always so far research of research of the each side such as the cultivation of hybrid Chinese pennisetum and development and use constantly.Especially hybrid Chinese pennisetum has the characteristics such as photosynthetic efficiency height, carbon sink is strong, biological yield is high, so develop and utilize as the biomass energy plant again.
Under the natural situation, hybrid Chinese pennisetum is to the adaptability of soil or more intense, 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 surviving or adapt to as energy-source plant is the maximum value that can not bring into play hybrid Chinese pennisetum.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 process, management key point after plant processing and implantation methods and hybrid Chinese pennisetum are planted before the plantation etc. has the relevant art requirement.
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, the thing such as stone;
Open on the ground bar shaped plantation ditch, 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 processed before the hybrid Chinese pennisetum plantation
Select 5 monthly ages above, healthy, without the whole strain of the maturescent hybrid Chinese pennisetum of connecing of damage by disease and insect, 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), implantation methods
The hybrid Chinese pennisetum stem section of step (2) gained is inserted in the bar shaped plantation ditch of step (1), the 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 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, the surface is that 1 ‰ carbendazim sprinkling helps to improve survival rate of plant with concentration.
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 affects plant growth rate and amount of growth in implantation methods.Particularly in the management after the hybrid Chinese pennisetum plantation, the drought resisting in seedling stage is managed, and the reasonable control of the opportunity of topdressing and the nutrients ratio that topdresses affects 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 simultaneously hybrid Chinese pennisetum in amount of growth on the salt affected soil more than 20%.
Embodiment
Below by embodiment the present invention is further set forth, 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, 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 every square metre of salt affected soil plantation hybrid Chinese pennisetum of gained in the time of 6.5 months.
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 processed
Saline and alkaline soil is carried out whole ground: loosen the soil, degree of depth 50cm makes soil block in small, broken bits loose, weeds a garden, the 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 processed
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 processed before the hybrid Chinese pennisetum plantation
Select 5 monthly ages above, healthy, without the maturescent whole strain of connecing of damage by disease and insect, remove blade, spray with 1 ‰ carbendazim on the surface;
Be cut into the stem section with secateurs, every section 25cm does not injure the bud joint;
(4), implantation methods
The stem section is inserted in the plantation ditch that is coated with the peat soil of Cosan, the 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 in 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 is not carried out that strain age is selected and be 1 ‰ carbendazim sprinkling with concentration to hybrid Chinese pennisetum kind surface, do not use farmyard manure yet, simultaneously in the management after the hybrid Chinese pennisetum plantation, also effectively do not topdress, other are with embodiment 1.
Finally the total survival rate at the hybrid Chinese pennisetum of salt affected soil cultivation gained is 85.7%, and its amount of growth is 15.4 kg/m
2
Can draw cultivation method of the present invention by embodiment 1 and comparative example 1 and improve hybrid Chinese pennisetum in survival rate on the salt affected soil more than 15%, improve simultaneously hybrid Chinese pennisetum amount of growth 20% on salt affected soil, show thus the cultivation method of a kind of hybrid Chinese pennisetum of the present invention on salt affected soil, all had obvious technique effect aspect the survival rate and growth amount.
Foregoing only is 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 stone;
Open on the ground bar shaped plantation ditch, 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 processed before the hybrid Chinese pennisetum plantation
Select 5 monthly ages above, healthy, without the whole strain of the maturescent hybrid Chinese pennisetum of connecing of damage by disease and insect, remove blade, spray with 1 ‰ carbendazim on the surface, is cut into the stem section with secateurs, every section 20 ~ 30cm does not injure bud and saves;
(3), implantation methods
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 with Cosan to be sprinkled into and slightly cover 2.5cm in the ditch;
Every section 25cm of stem segment length during plant is processed before the plantation of step (2) hybrid Chinese pennisetum;
Bar shaped plantation ditch surface covers pig manure, the ox of becoming thoroughly decomposed in step (3) implantation methods 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, i.e. N:P
2O
5: K
2O is 15:15:15 composite fertilizer 25kg.
3. the cultivation method of a kind of hybrid Chinese pennisetum as claimed in claim 1 or 2 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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| Application Number | Priority Date | Filing Date | Title |
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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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| CN 201210005505 CN102523873B (en) | 2012-01-10 | 2012-01-10 | Method for cultivating hybrid pennisetum in saline-alkali soil |
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| CN102523873B true CN102523873B (en) | 2013-02-20 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104472170B (en) * | 2014-11-28 | 2017-03-15 | 江苏沿海地区农业科学研究所 | A kind of hybrid pennisetum water plants non-irrigated pipe high yield cultivating method |
| 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 |
| 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 |
| 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 |
| CN107711317B (en) * | 2017-11-16 | 2020-06-30 | 广西壮族自治区畜牧研究所 | Interplanting method of purple elephant grass and eucalyptus |
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| CN102197755B (en) * | 2011-05-13 | 2013-03-06 | 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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