CN105123256A - Method for planting oil sunflower in coastal saline soil in high-carbon and high-yield way - Google Patents
Method for planting oil sunflower in coastal saline soil in high-carbon and high-yield way Download PDFInfo
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- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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Abstract
The invention discloses a method for planting an oil sunflower in coastal saline soil in a high-carbon and high-yield way. By adopting a double-cropping oil sunflower planting mode and a ploughing and rotary cultivation combined straw returning way, the method comprises the following steps: first harvest spring-sowing fertilizer application; first harvest spring-sowing land preparation and seeding; first harvest spring-sowing field management; first harvest spring-sowing harvesting; first harvest spring-sowing straw returning and second harvest summer-sowing fertilizer application and land preparation; second harvest summer-sowing seeding; second harvest summer-sowing field management; second harvest summer-sowing harvesting; and second harvest summer-sowing straw returning. By selecting an oil sunflower variety having short period of duration and resisting to salt and alkali, and adopting the appropriate cultivation mode and field management measures, the total biomass and economic yield of the oil sunflower are increased; by adopting the effective straw returning measure, the straw returning quantity is increased, a purpose of rapidly improving the soil carbon-immobilizing capacity of the salt and alkaline soil can be achieved, and multiple wins of carbon-immobilizing benefit, ecological benefit and economic benefit can be implemented.
Description
Technical field
The present invention relates to and utilize crops to carry out the solid carbon of soil and alkaline land soil improving technology field, particularly relate to and a kind ofly carry out the solid carbon of efficient soil thus the method for the quick improvement alkaline land soil content of organic matter and the oily certain herbaceous plants with big flowers of high-yield planting by planting oily certain herbaceous plants with big flowers in saline land.
Background technology
Biological sequestration mainly fixes Atmospheric CO by improving plant
2potentiality, realize storing more carbon in forest, soil, to reduce the CO in air
2the carbon-fixation-technology of content.The terrestrial ecosystem comprising farmland are global most important carbon storehouses, and wherein the organic C storage of carbon base in soil is maximum, accounts for about 2/3 of whole terrestrial ecosystem organic C storage.
Atmospheric CO is deposited at Industrial Solid
2technology not yet reach practical before, by biological means, improve forest, soil fixing Atmospheric CO
2potentiality store more carbon, cut down CO in air
2content become current unique attainable technical system.Biological sequestration is with low cost, and tropic countries cost is 0.1 ~ 20 beautiful yuan/ton carbon equivalent, and non-tropic countries is 20 ~ 100 beautiful yuan/ton carbon equivalents.Therefore, utilize the solid carbon of biological control measure not only directly can not have influence on economic growth, and for improving the ecological environment, there is great benefit.
Field ecosystem biological sequestration, major embodiment is the solid carbon of soil in farmland, by straw-returning, organic fertilizer application and other can promote that Biomass Accumulation and soil carbon transform, fixing means realize.By the restriction of the factors such as cultivation management pattern is backward, fertilizers input type is single, China's arable soil organic carbon (SOC) content is in reduced levels, and field ecosystem also has huge solid carbon potentiality.The solid carbon of agricultural land soil not only can reduce Atmospheric CO
2content, and to guarantee national food security, there is very important effect.
Huang-Huai-Hai plain is strand low plain area especially, it is the topmost agricultural region of China, also be area, east China topmost saline land simultaneously, the arable land of saline land and perniciousness harm accounts for about 10% of the whole arable area in this area, and this external coastal region is also distributed with a large amount of saline-alkali wastelands.Compared with ploughing with high yield, alkaline land soil organic carbon content is lower, soil quality is poor, limits the crop production ability in saline land on the one hand, has also possessed larger carbon base in soil Improvement on the other hand.Therefore, by suitable technical system, select Salt And Alkali Tolerance crop varieties, while the solid carbon ability of lifting alkaline land soil, alkaline land soil quality can be improved, promote fertility, improve tillage condition, more can improve crop production ability, increase Household income further, realize the multi-win of solid carbon benefit-ecological benefits-economic benefit.
One of oil crop that You Kuishi China is main, generally plant at northern area, have that breeding time is short, Salt And Alkali Tolerance is barren, climatic adaptation degree high, the particularly biological property of its Salt And Alkali Tolerance, become saline land, one of Important Economic crop that coastal tidal develops, be also one of dominant crop of alkaline land soil improvement.Improved by control measures, increase economic flow rate and the biomass of oily certain herbaceous plants with big flowers, by improvement straw-returning measure and increase also field ratio, promote the organic back amount of oily certain herbaceous plants with big flowers plantation field, increase reinforcing carbon ability, improve soil fertility and promote alkaline land soil quality, biological sequestration ability can be improved while economic benefit promotes, the spontaneous production of peasant household can be realized, significant to quick improvement large area saline land.
Summary of the invention
The technical problem to be solved in the present invention is to provide the method for the solid carbon of a kind of beach saline land height and high-yield planting oil certain herbaceous plants with big flowers, a kind ofly specifically carry out the solid carbon of efficient soil thus the method for the quick improvement alkaline land soil content of organic matter and high-yield planting oil certain herbaceous plants with big flowers by planting oily certain herbaceous plants with big flowers in saline land: by selecting breeding time short, the sunflower cultivars of Salt And Alkali Tolerance, total biomass and the economic flow rate of oily certain herbaceous plants with big flowers is improved in conjunction with suitable tillage system reform and field management measure, in conjunction with effective straw-returning measure thus increase crop-residue incorporation, reach the target of the solid carbon ability of fast lifting alkaline land soil, simultaneously, alkaline land soil quality can be improved, promote fertility, improve tillage condition, more can improve oily certain herbaceous plants with big flowers production capacity, further increase Household income, realize the multi-win of solid carbon benefit-ecological benefits-economic benefit.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows: the method for the solid carbon of a kind of beach saline land height and high-yield planting oil certain herbaceous plants with big flowers, and adopt double-cropped oily certain herbaceous plants with big flowers cropping pattern, adopt the straw-returning mode that ploughing is combined with rotary tillage, step comprises:
A) first batch of fertilising of sowing in spring: disposablely apply N,P,K fertilizers;
B) first batch of sow in spring whole ground and sowing: according to site weather conditions, mid-April wholely, sowing, adopt mechanical ploughing mode wholely, ploughing depth is not less than 20cm, smoothly rakes the soil level 2 times; Employing mechanical film is sowed, sowing limit, limit overlay film, and sowing depth controls at 3 ~ 4cm, and employing waits line-spacing 60cm, or 50cm ~ 70cm wide-narrow row planting, wide behavior 70cm during wide-narrow row planting, and narrow row is 50cm, spacing in the rows 25 ~ 28cm;
C) first batch of spring sowing field management: after oily certain herbaceous plants with big flowers emerges until cotyledon turn green after punching put seedling, and bury tight eyelet; Treat that oily certain herbaceous plants with big flowers grows to 4 leaf after dates and carries out thinning, final singling; Between oil certain herbaceous plants with big flowers breeding time, according to soil moisture content, irrigate in good time;
D) first batch of results of sowing in spring: late July is to early August, when oily certain herbaceous plants with big flowers plant cane turns yellow, the floral disc back side is yellowish-brown, ligulate flower is withered, seed meets results condition time strong, adopt the wheat harvester after adjustment to carry out mechanized harvest, disposablely complete grain harvest and the operation of oily certain herbaceous plants with big flowers crushed stalk;
E) first batch of spring sowing straw-returning and second batch of summer sowing fertilising are wholely: after first batch of oily certain herbaceous plants with big flowers has been gathered in the crops, carry out as early as possible second crop oil certain herbaceous plants with big flowers broadcast before fertilising wholely, disposablely apply N,P,K fertilizers; The whole ground of ploughing straw-returning simultaneously after fertilising, ploughing depth is not less than 20cm;
F) second batch of summer sowing sowing: adopt mechanical planting, open field live broadcast, sowing depth controls at about 3 ~ 4cm, and employing waits line-spacing 60cm, or 50cm ~ 70cm wide-narrow row planting, wide behavior 70cm during wide-narrow row planting, and narrow row is 50cm, spacing in the rows 23 ~ 25cm;
G) second batch of summer sowing field management: treat that oily certain herbaceous plants with big flowers grows to 4 leaf after dates and carries out thinning, final singling; Between oil certain herbaceous plants with big flowers breeding time, according to soil moisture content, irrigate in good time;
H) second batch of summer sowing results: after mid or late November oil certain herbaceous plants with big flowers plant natural seasoning, adopt the wheat harvester after adjustment to carry out mechanized harvest, disposablely complete grain harvest and the operation of oily certain herbaceous plants with big flowers crushed stalk;
I) second batch of summer sowing straw-returning: after second batch of results, rotary tillage process realizes straw-returning, and the rotary tillage degree of depth is not less than 12cm.
Preferably, the N,P,K fertilizers applied in step a and e and consumption are followed successively by urea 10 ~ 15kg/ mu, diammonium phosphate 8 ~ 12kg/ mu, potassium sulfate 4 ~ 6kg/ mu; The N,P,K fertilizers applied in step a and e all applies with the form of base manure, and oily certain herbaceous plants with big flowers is not topdressed between breeding time.
Preferably, in step b and e, ploughing mode is that use more than 35 horsepowers tractor three turnplows carry out; In step I, rotary tillage process mode is that use more than 35 horsepowers tractor rotovators carry out.
Preferably, in step b and e, ploughing depth is 20cm; In described step I, the rotary tillage degree of depth is 12cm.
Preferably, select in step b and f to sow in spring be less than 100 days breeding time, the summer sowing precocious Salt And Alkali Tolerance sunflower cultivars that is less than 90 days breeding time.
Preferably, sowing depth control 3cm in step b and f.
Preferably, in steps d, first batch of oily certain herbaceous plants with big flowers of sowing in spring is gathered in the crops first 3 ~ 5 days, to oily certain herbaceous plants with big flowers plant spraying herbicide, to promote that its fast dewatering dries up, is beneficial to mechanical harvest.
Preferably, take the mode increasing planting density in step f, make the planting density that second batch of summer sowing planting density is sowed in spring higher than first batch.
Preferably, in step c, final singling density is 4000 ~ 4500 plants/acre; In step g, final singling density is 4500 ~ 5000 plants/acre.
Preferably, oily certain herbaceous plants with big flowers wholely, sowing, results, straw-returning all adopts mechanical work mode to carry out.
The beneficial effect adopting technique scheme to produce is: this method carries out the solid carbon of efficient soil by planting oily certain herbaceous plants with big flowers in saline land, thus the quick improvement alkaline land soil content of organic matter, and increase oily certain herbaceous plants with big flowers output, realize the multipurpose of solid carbon benefit-ecological benefits-economic benefit:
(1) this method is by selecting the sunflower cultivars of short, Salt And Alkali Tolerance breeding time, adopts double-cropped oily certain herbaceous plants with big flowers cropping pattern to improve total biomass and the economic flow rate of oily certain herbaceous plants with big flowers, and increases straw-returning total amount;
(2) take the mode suitably increasing planting density, make second batch of summer sowing planting density be about 110% of the planting density that first batch is sowed in spring, be conducive to economic flow rate and the total biomass of raising second batch of summer sowing oil certain herbaceous plants with big flowers;
(3) the straw-returning mode adopting ploughing to be combined with rotary tillage is to improve the soil organic matter transformation efficiency of stalk, after first batch of results, adopt ploughing mode to plough deeply to below 20cm by stalk, to avoid causing adverse effect to the sowing of lower stubble oil certain herbaceous plants with big flowers, and promote the solid carbon effect of deep soil; After second batch of results, coordinate rotary tillage process to realize straw-returning, be beneficial to the quick decomposition of Wintering Period stalk and promote the solid carbon effect of soil; The mode that ploughing is combined with rotary tillage significantly can promote the solid carbon effect of soil.
This method is by selecting the sunflower cultivars of short, Salt And Alkali Tolerance breeding time, increase crop-residue incorporation in conjunction with suitable tillage system reform and field management measure and effective straw-returning measure, reach the target of the solid carbon ability of fast lifting alkaline land soil, simultaneously, alkaline land soil quality can be improved, improve oily certain herbaceous plants with big flowers production capacity, increase Household income further, realize the multi-win of solid carbon benefit-ecological benefits-economic benefit.
Embodiment
For more specifically stating technical scheme of the present invention and implementation process, describe in detail below by way of specific embodiment.Various raw material used in the present invention and equipment are conventional commercial product, all can be bought by market and directly obtain.
Below that applicant carries out the solid carbon of high-performance bio and quick improvement alkaline land soil content of organic matter application example at beach saline land by the oily certain herbaceous plants with big flowers of plantation.
Planting base is positioned at Cangzhou, Hebei Province Nandagang Area, Hebei Province directorial area, and belong to the moistening continental monsoon climate in warm temperate zone half, year samming 15.6oC, precipitation 588mm, precipitation concentrated in the rainy season in 6 ~ October, and the most concentrated with precipitation in 7 ~ August.Agricultural heat resources is horn of plenty comparatively, is greater than 10oC effective accumulated temperature 4458 degree.The Bohai Sea is closed on by this area, and belong to strand low plain, hypsography low-lying is smooth, height above sea level 2 ~ 3m, and Features of Shallow Groundwater is high, salinity is large; Soil belongs to marine solonchak, and plow layer salt content about 0.20% ~ 0.25% after administering, belongs to light moderate saline-alkali soil.
Sunflower cultivars is super short major part DW667, and this kind is sowed in spring and is less than 100 days breeding time, and summer sowing is less than 90 days breeding time, plant height 85 ~ 110 centimetres, have short bar, thick stem, anti-fall, precocity, drought resisting, anti-saline and alkaline, disease-resistant manageable feature, can yield two crops a year in this area and plant; Super short major part DW667 biomass is large, high yield, oil yield are high, comprehensive benefit good, can realize high yield in light moderate saline-alkali soil plantation.
The method of the solid carbon of a kind of beach saline land height and high-yield planting oil certain herbaceous plants with big flowers, adopt double-cropped oily certain herbaceous plants with big flowers cropping pattern to increase the total biomass of oily certain herbaceous plants with big flowers and then to increase straw-returning total amount, the straw-returning mode that employing ploughing is combined with rotary tillage is to improve the soil organic matter transformation efficiency of stalk, and concrete steps comprise:
A) first batch of fertilising of sowing in spring: on April 8th, 2014 applies fertilizer, and disposablely applies urea 12kg/ mu, diammonium phosphate 10kg/ mu, potassium sulfate 5kg/ mu, can meet the needs of oil certain herbaceous plants with big flowers growth in the time of infertility, not need to topdress to reduce farm work number of times;
B) first batch of sow in spring whole ground and sowing: adopt mechanical ploughing mode wholely, uses 35 horsepowers of tractor three turnplows to carry out, ploughing depth 20cm, smoothly to rake the soil level 2 times, reach plot smooth, the oily certain herbaceous plants with big flowers that soil is soft sows standard; On April 10th, 2014 carries out oily certain herbaceous plants with big flowers sowing, and adopt mechanical film sowing, sowing limit, limit overlay film, sowing depth controls at 3cm, and employing waits line-spacing 60cm, spacing in the rows 27cm;
C) first batch of spring sowing field management: after oily certain herbaceous plants with big flowers emerges until cotyledon turn green after, April 20, seedling was put in punching, and buried tight eyelet; Treat that oily certain herbaceous plants with big flowers grows to 4 leaf after dates, May 8 carried out thinning, final singling, final singling density 4200 plants/acre, to ensure full stand strong sprout; Between oil certain herbaceous plants with big flowers breeding time, according to soil moisture content, irrigate in good time, respectively irrigate once respectively at April 21 and May 20, irrigation volume per mu 25 cubic metres/time;
D) first batch of results of sowing in spring: first batch of oily certain herbaceous plants with big flowers of sowing in spring is in late July plant cane flavescence, the floral disc back side is yellowish-brown, and ligulate flower is withered, seed meets results condition time strong, July 23 to oily certain herbaceous plants with big flowers plant spraying herbicide, promote that its branches and leaves dry up fast, so that mechanical harvest; Wheat harvester after adopting adjustment July 28 carries out mechanized harvest and completes crushed stalk operation simultaneously;
E) first batch of spring sowing straw-returning and second batch of summer sowing fertilising are wholely: for carrying out the sowing of second batch of summer sowing oil certain herbaceous plants with big flowers as early as possible, fertilising (July 29) is carried out next day whole in results, disposablely apply urea 10kg/ mu, diammonium phosphate 10kg/ mu, potassium sulfate 5kg/ mu; After fertilising, the whole ground of ploughing straw-returning simultaneously, uses 35 horsepowers of tractor three turnplows to carry out, ploughing depth 20cm, carries out stalk and ploughs deeply also field, rake the soil level 2 times, reach plot smooth, the oily certain herbaceous plants with big flowers sowing standard that soil is soft;
F) second batch of summer sowing sowing: adopted mechanical planting August 2, open field live broadcast, sowing depth controls at 3cm, and employing waits line-spacing 60cm, spacing in the rows 24cm;
G) second batch of summer sowing field management: treat that oily certain herbaceous plants with big flowers grows to 4 leaf after dates, carried out thinning, final singling August 27, final singling density is 4700 plants/acre; Because summer sowing oil certain herbaceous plants with big flowers is in rainy season in vegetative period, do not need to irrigate;
H) second batch of summer sowing results: early November summer sowing oil certain herbaceous plants with big flowers is ripe, after plant to be planted natural seasoning, the wheat harvester after adopting adjustment November 12 carries out mechanical harvest and crushing straw simultaneously;
I) second batch of summer sowing straw-returning: November 13, uses 35 horsepowers of tractor rotovators, carries out also field operation, rotary tillage degree of depth 12cm to oily certain herbaceous plants with big flowers stalk.
In the present embodiment, in step a and e, fertilizer used all applies with the form of base manure, and oily certain herbaceous plants with big flowers is not topdressed between breeding time; Between oily certain herbaceous plants with big flowers planting season, oily certain herbaceous plants with big flowers wholely, sowing, results, straw-returning all adopt mechanical work mode to carry out, to reduce the labour cost of farm work; Take the mode increasing thickness of sowing, the planting density that second batch of summer sowing planting density is sowed in spring a little more than first batch, make the yield level that second crop oil certain herbaceous plants with big flowers keeps higher, increase straw-returning total amount, improve solid carbon effect.
The straw-returning mode that employing ploughing is combined with rotary tillage is to improve the soil organic matter transformation efficiency of stalk, after first batch of results, adopt ploughing mode to plough deeply to below 20cm by stalk, to avoid causing adverse effect to the sowing of lower stubble oil certain herbaceous plants with big flowers, and promote the solid carbon effect of deep soil; After second batch of results, coordinate rotary tillage process to realize straw-returning, be beneficial to the quick decomposition of Wintering Period stalk and promote the solid carbon effect of soil.
Survey through reality and produce, first batch of spring sowing oil sunflower seed grain output 214.1kg/ mu, also field stalk amount 195.3kg/ mu, second batch of summer sowing oil sunflower seed grain output 153.0kg/ mu, also field stalk amount 177.6kg/ mu.Two ripe seed gross yield 367.1kg/ mus, economic benefit 1468 yuan/mu.Two batches of stalks are always gone back field amount and are reached 372.9kg/ mu.
Soil organic carbon measurement result shows: before this plot oil certain herbaceous plants with big flowers sowing spring in 2014, soil organic matter content is 19.23g/kg, and spring in 2015, this plot soil organic matter average content was 19.67g/kg.This plot 20cm topsoil unit weight is 1.35g/cm
3according to the soil organic matter: soil organic matter conversion coefficient is 1.74 calculating, plant the solid carbon method of oily certain herbaceous plants with big flowers through beach saline land of the present invention, within 1 year, topsoil carbon storehouse can be promoted 45.5kg/ mu, amounting to fixing CO2 equivalent is 166.8kg/ mu, Gu carbon effect is remarkable.
The present invention is by selecting the sunflower cultivars of short, Salt And Alkali Tolerance breeding time, total biomass and the economic flow rate of oily certain herbaceous plants with big flowers is improved in conjunction with suitable tillage system reform and field management measure, in conjunction with effective straw-returning measure thus increase crop-residue incorporation, reach the target of the solid carbon ability of fast lifting alkaline land soil, simultaneously, alkaline land soil quality can be improved, promote fertility, improve tillage condition, more can improve oily certain herbaceous plants with big flowers production capacity, further increase Household income, realizes the multi-win of solid carbon benefit-ecological benefits-economic benefit.
Foregoing description only as the enforceable technical scheme of the present invention, not as the single restrictive condition to its technical scheme itself.
Claims (10)
1. a method for the solid carbon of beach saline land height and high-yield planting oil certain herbaceous plants with big flowers, it is characterized in that: adopt double-cropped oily certain herbaceous plants with big flowers cropping pattern, adopt the straw-returning mode that ploughing is combined with rotary tillage, its step comprises:
A) first batch of fertilising of sowing in spring: disposablely apply N,P,K fertilizers;
B) first batch of sow in spring whole ground and sowing: according to site weather conditions, mid-April wholely, sowing, adopt mechanical ploughing mode wholely, ploughing depth is not less than 20cm, smoothly rakes the soil level 2 times; Employing mechanical film is sowed, sowing limit, limit overlay film, and sowing depth controls at 3 ~ 4cm, and employing waits line-spacing 60cm, or 50cm ~ 70cm wide-narrow row planting, wide behavior 70cm during wide-narrow row planting, and narrow row is 50cm, spacing in the rows 25 ~ 28cm;
C) first batch of spring sowing field management: after oily certain herbaceous plants with big flowers emerges until cotyledon turn green after punching put seedling, and bury tight eyelet; Treat that oily certain herbaceous plants with big flowers grows to 4 leaf after dates and carries out thinning, final singling; Between oil certain herbaceous plants with big flowers breeding time, according to soil moisture content, irrigate in good time;
D) first batch of results of sowing in spring: late July is to early August, when oily certain herbaceous plants with big flowers plant cane turns yellow, the floral disc back side is yellowish-brown, ligulate flower is withered, seed meets results condition time strong, adopt the wheat harvester after adjustment to carry out mechanized harvest, disposablely complete grain harvest and the operation of oily certain herbaceous plants with big flowers crushed stalk;
E) first batch of spring sowing straw-returning and second batch of summer sowing fertilising are wholely: after first batch of oily certain herbaceous plants with big flowers has been gathered in the crops, carry out as early as possible second crop oil certain herbaceous plants with big flowers broadcast before fertilising wholely, disposablely apply N,P,K fertilizers; The whole ground of ploughing straw-returning simultaneously after fertilising, ploughing depth is not less than 20cm;
F) second batch of summer sowing sowing: adopt mechanical planting, open field live broadcast, sowing depth controls at about 3 ~ 4cm, and employing waits line-spacing 60cm, or 50cm ~ 70cm wide-narrow row planting, wide behavior 70cm during wide-narrow row planting, and narrow row is 50cm, spacing in the rows 23 ~ 25cm;
G) second batch of summer sowing field management: treat that oily certain herbaceous plants with big flowers grows to 4 leaf after dates and carries out thinning, final singling; Between oil certain herbaceous plants with big flowers breeding time, according to soil moisture content, irrigate in good time;
H) second batch of summer sowing results: after mid or late November oil certain herbaceous plants with big flowers plant natural seasoning, adopt the wheat harvester after adjustment to carry out mechanized harvest, disposablely complete grain harvest and the operation of oily certain herbaceous plants with big flowers crushed stalk;
I) second batch of summer sowing straw-returning: after second batch of results, rotary tillage process realizes straw-returning, and the rotary tillage degree of depth is not less than 12cm.
2. the method for the solid carbon of beach saline land height according to claim 1 and high-yield planting oil certain herbaceous plants with big flowers, it is characterized in that: the N,P,K fertilizers applied in described step a and e and consumption are followed successively by urea 10 ~ 15kg/ mu, diammonium phosphate 8 ~ 12kg/ mu, potassium sulfate 4 ~ 6kg/ mu; The N,P,K fertilizers applied in described step a and e all applies with the form of base manure, and oily certain herbaceous plants with big flowers is not topdressed between breeding time.
3. the method for the solid carbon of beach saline land height according to claim 1 and high-yield planting oil certain herbaceous plants with big flowers, is characterized in that: in described step b and e, ploughing mode is that use more than 35 horsepowers tractor three turnplows carry out; In described step I, rotary tillage process mode is that use more than 35 horsepowers tractor rotovators carry out.
4. the solid carbon of beach saline land height according to claim 1 or 3 and the method for high-yield planting oil certain herbaceous plants with big flowers, is characterized in that: in described step b and e, ploughing depth is 20cm; In described step I, the rotary tillage degree of depth is 12cm.
5. the method for the solid carbon of beach saline land according to claim 1 height and high-yield planting oil certain herbaceous plants with big flowers, is characterized in that: select in described step b and f to sow in spring be less than 100 days breeding time, the summer sowing precocious Salt And Alkali Tolerance sunflower cultivars that is less than 90 days breeding time.
6. the method for the solid carbon of beach saline land height according to claim 1 and high-yield planting oil certain herbaceous plants with big flowers, is characterized in that: sowing depth control 3cm in described step b and f.
7. the method for the solid carbon of beach saline land height according to claim 1 and high-yield planting oil certain herbaceous plants with big flowers, it is characterized in that: in described steps d, first batch of oily certain herbaceous plants with big flowers of sowing in spring is gathered in the crops first 3 ~ 5 days, to oily certain herbaceous plants with big flowers plant spraying herbicide, to promote that its fast dewatering dries up, be beneficial to mechanical harvest.
8. the method for the solid carbon of beach saline land height according to claim 1 and high-yield planting oil certain herbaceous plants with big flowers, is characterized in that: the mode taking to increase planting density in described step f, makes the planting density that second batch of summer sowing planting density is sowed in spring higher than first batch.
9. the method for the solid carbon of beach saline land height according to claim 1 and high-yield planting oil certain herbaceous plants with big flowers, is characterized in that: in described step c, final singling density is 4000 ~ 4500 plants/acre; In described step g, final singling density is 4500 ~ 5000 plants/acre.
10. the method for the solid carbon of beach saline land according to claim 1 height and high-yield planting oil certain herbaceous plants with big flowers, is characterized in that: described oily certain herbaceous plants with big flowers wholely, sowing, results, straw-returning all adopt mechanical work mode to carry out.
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| CN108476902A (en) * | 2018-06-04 | 2018-09-04 | 西双版纳雨林景象生物科技发展有限责任公司 | A kind of konjaku mechanized cultivation method |
| CN109122118A (en) * | 2018-06-27 | 2019-01-04 | 江苏沿江地区农业科学研究所 | A kind of rice and kernel high-stubble line style stubble-cleaning wide-and narrow-row cultivation method |
| CN111758518A (en) * | 2020-07-13 | 2020-10-13 | 内蒙古自治区农牧业科学院 | Method for improving saline-alkali soil quality through sesbania-sunflower crop rotation |
| CN111903483A (en) * | 2016-09-22 | 2020-11-10 | 中国科学院遗传与发育生物学研究所农业资源研究中心 | Automatic alternative irrigation system with double water sources and application thereof |
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| CN106941919A (en) * | 2017-03-29 | 2017-07-14 | 湖南省作物研究所 | A kind of oily certain herbaceous plants with big flowers implantation methods and the application in the oily certain herbaceous plants with big flowers rape triple-cropping system of early rice |
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| CN112997815A (en) * | 2021-04-16 | 2021-06-22 | 林州市农业科学研究所 | Double-season high-yield planting method for oil sunflower |
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