CN104145626A - Cultivation method for improving yield of alfalfa seeds in YLN (Yarlung Zangbo River, Lhasa River and Nien-chu River) region of Tibet - Google Patents
Cultivation method for improving yield of alfalfa seeds in YLN (Yarlung Zangbo River, Lhasa River and Nien-chu River) region of Tibet Download PDFInfo
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Abstract
The invention relates to a cultivation method for improving yield of alfalfa seeds in the YLN region of Tibet. The method comprises the following steps of (1) variety selection, (2) seed treatment before sowing, (3) land selection, land leveling and base fertilizer applying, (4) control during the sowing period, (5) sowing mode, (6) seeding quantity, (7) pollinating insect putting, (8) micro element fertilizer spraying, (9) field management and (10) harvesting seeds. By means of the method, the yield of the alfalfa seeds in the YLN region of Tibet is increased greatly through variety selection, seed treatment before sowing, control during the sowing period, pollinating insect putting, micro element fertilizer spraying, appropriate irrigation, field management, harvest in appropriate time and other measures.
Description
Technical field
The present invention relates to plant planting field, particularly relate to a kind of cultivation method that improves the regional Alfalfa seed yield in Tibet " two rivers, a river ".
Background technology
(1) the regional overview in Tibet " two rivers, a river "
Tibet is as one of five large pastoral areas of China, and livestock breeding is pillar industry, and wherein " two rivers, a river " area is the development base of animal husbandry in agricultural area and outskirts of a town livestock breeding, is also the production supply base of the fodder grass resource of Alpine-arctic Pastoral combatting of natural disaster and protection of livestock.But, due to many factors such as physical geography, history, Levels of Social Economic Developments, cause Tibet natural grassland productivity to decline serious, grass poultry is particularly thorny, and animal husbandry development is for a long time in low-level state.Breed good forage seed, exploitation seed process technology, realizes Tibet grass seed localization and produces, and is to promote local animal husbandry development, and the basis of improving peasants and herdsmen's living standard is also to realize the stable inevitable requirement developing in a healthy way of grassland in Qinghai-Tibetan Plateau.
Area, Tibet " two rivers, a river " is most important agriculture and animal husbandry Industrial Area, Tibet, belongs to the semiarid monsoon climate in temperate zone, plateau, and height above sea level 3500～4500m, has good heat condition, and the sunshine time is long, approximately 7.5 DEG C of average temperatures of the whole year; Rainy season precipitation is concentrated, and mostly is the weather of clear night in daytime rain, annual precipitation 430mm left and right, and more than 80% rainfall concentrates on for 6～September.
(2) necessity of Planting Medicago sativa
In high and cold area grassland agriculture is produced, the shortage of protein forage grass resource is long-term existence and the problem that is difficult to fundamentally solve.Plant annual forage grass, time-consuming, take a lot of work, the cost of labour and fuel cost is high, ecologically fragile area soil constantly turn over and the seasonal exposed impact on ecotope also can not be ignored.
Clover is the Perennial legume forages of China's area under cultivation maximum, comprehensively compares from aspects such as annidation, output, growth year, nutritive values, is all better than other herbage.Clover is liked warm semi-arid climate, day 15 DEG C～20 DEG C the most suitable growthes of samming.Clover is cold-resistant, drought-resistant ability is very strong, not strict to soil requirement, but ponding is avoided in growth.Clover bloomed and to contain most at 9～12 o'clock in the morning, and therefore flowering stage, high temperature and rainy can affect pollination fertilization, reduced ripening rate.
Clover accounts for more than 70% in the Planting Grass area of Shannan District of Tibet Autonomous Region, is the main forage grass kind of aquaculture, is again to combat a natural disaster one of Dominant Species of Forage Grass of forage grass.According to statistics, mountain medicago hispida cultivated area is thousands of hectares only, can not meet the raising need of domestic animal far away.In view of the critical role of clover in agricultural structure, Tibet relevant department pays much attention to it, does a lot of work at aspects such as spread, seed construction of base, high and cold area planting technology researchs.
(3) present Research
Due to long-term sealing and traditional livestock breeding management style, limit the industrialization of Tibet grass seed production.If clover, oat, Jian Kuo pea are the local Dominant Species of Forage Grass that can form marketization production, but in actual production, the seed of gathering in the crops is the by product on results forage grass basis, and the mode of production is original, with low content of technology, and seed production changes greatly.Introduce according to " Agriculture in Tibet outline ", Tibet Alfalfa seed yield is 10～20kg/ mu, and far below the output of Gansu 15～60kg/ mu, results grain weight does not obviously reach economic harvest yield.
Tibet climatic characteristic significantly affects grass seed output, Introduction of forage grass kind is particularly serious, analyzing influence Tibet alfalfa seed factor of production, mainly contain three aspects: the one, low temperature is on the impact of bearing pods, the 2nd, dry season bloom-pod bearing period and rainy season be on the alternately impact of bearing pods, and the 3rd, bloom in early days almost without Pollinating Insect activity.For low temperature effect, selecting suitable cold-resistant variety is main direction; Dry season bloom-pod bearing period and rainy season can and cradle by research water management measure and adjust technology exploration solution route breeding time the alternately impact of bearing pods.Tibet bee-keeping also starts to walk, provides condition for solving insect pollination problem.Other technology is as trace element and growth regulator application technology etc., the potentiality of the Alfalfa seed yield that is improved to a certain extent.
The present invention, to carry out for many years clover experimental study in Tibet as basis, taking the field cultivation experience enriched as guidance, can improve the regional Alfalfa seed yield in Tibet " two rivers, a river " effectively, significantly.
Summary of the invention
For solving Tibet " two rivers, a river " problem that regional Alfalfa seed yield is lower, the object of this invention is to provide a kind of cultivation method that improves the regional Alfalfa seed yield in Tibet " two rivers, a river ".
The invention provides a kind of cultivation method that improves the regional Alfalfa seed yield in Tibet " two rivers, a river ", comprise the following steps:
1) kind is selected
Select the autumn to sleep level high yield, the quality alfalfa kind of 1 grade-6 grades;
2) seed treatment before sowing
Seed treatment makes alfalfa seed hard seed rate in 5%～15% scope, and physical purity of seed and germination rate all reach more than 85%;
3) selection of land, whole ground, apply fertilizer to the subsoil
Select warm area, preservation capacity of water and fertility is strong, irrigation and drainage are convenient, the good plot of clay fertilizer condition, before sowing, stubble-cleaning is ploughed in plot, applies fertilizer to the subsoil;
4) control sowing time
The area that Shannan Prefecture height above sea level is lower, the sowing time in spring end, summer, Qiu Chujun can; The area that Shannan Prefecture height above sea level is higher, the sowing time completes at the beginning of late April to 5 month for sowing in spring, summer, autumn sowing need before complete by the end of August sowing;
5) seeding method
Employing is broadcasted sowing or mode of unicast carries out drilling, drill spacing 50-70 centimetre, seed level 1-1.5 centimetre (depending on soil water regime, the wet upper seeding of soil, otherwise dark);
6) seeding quantity
0.7～1.1 kilogram every mu, 0.6～1.0 kilogram every mu, import seed or domestic seed;
7) throw in Pollinating Insect
Throwing in honeybee pollinates;
8) Spraying Trace Elements
The micro-fertilizer of foliage-spray;
9) field management
Irrigate in clover planting with before the flower bud differentiation stage, the later stage of blooming, pod bearing period, do not irrigate;
10) results seed
In the time that the pod in field 65～80% becomes brown, gather in the crops seed, clean, classification, storage.
Wherein, step 1) described autumn level of sleeping is selected from visitor, middle blue No. 1, Algonquin, Alfaking high yield, the quality alfalfa kind of 1 grade-6 grades.The seed of above-mentioned alfalfa variety all can be bought from seeds company.
According to the length and cold tolerance in vegetative period of alfalfa variety, be generally divided into 9 autumns level levels of sleeping, the autumn level of sleeping is that a kind cold tolerance is the strongest, the autumn level of sleeping is that 9 kind cold tolerance is the poorest.Area, Tibet " two rivers, a river " is the major production areas of clover, and alfalfa seed base should be built the relatively low area of height above sea level in, and suggestion selects autumn dormancy level to select below 6 (containing) for the ecological condition of planting area.Alfalfa variety should be selected high yield, high-quality, kind that annidation is strong.Relatively low at height above sea level, comparatively warm area, should select that output is high, the measured kind of matter.Through plant for many years for many years experience in Shannan District of Tibet Autonomous Region, recommend alfalfa variety: visitor, middle blue No. 1, Algonquin, Alfaking, seed production is all more than 20kg/ mu.
Wherein, step 2) seed treatment before described sowing, because alfalfa seed hard seed rate is generally 5%～15%, the new sub-hard seed rate of sowing can reach 25%～65%, be difficult for germinateing, seed treatment before sowing makes alfalfa seed hard seed rate in 5%～15% scope, and physical purity of seed and germination rate all reach more than 85% and be necessary.Step 2) method of seed treatment before described sowing is: 1. galling kind of a pico farad, or 2. warm-cold seed treatment facture.
Described galling kind pico farad, refers to that rolling or mix grit with stone in seed rubs gently or in agitator, stir etc., makes the coarse fluffing of seed coat and sows after not breaking.
Described warm-cold seed treatment facture, refers to seed is put into after 50～60 DEG C of hot water soak half an hour and pulled out, be exposed to the sun daytime in the sun, moves to Liang Chu night and adds water and make its maintenance moistening, when seed coat cracking after 2～3 days, when most of seed slightly expands, sows.
Wherein, step 3) described in apply fertilizer to the subsoil, preferably in the time ploughing, apply barnyard manure and phosphate fertilizer is made base fertilizer.
Wherein, described in apply barnyard manure and phosphate fertilizer, for every mu of manuring 2000-3000 kilogram, execute superphosphate 25-50 kilogram.
Wherein, step 6) described seeding quantity, the seeding quantity of clover is determined according to local climate and seed quality, and arid, cold district are should the amount of broadcasting larger, and seed quality depends mainly on germination rate and the degree of purity of seed.0.7～1.1 kilogram every mu, 0.6～1.0 kilogram every mu, import seed or domestic seed.This is that cleanliness is pure because import seed great majority are processed through processing, and evenly, germination rate is high for size, and every mu of seeding quantity rests in 0.6～1.0 kilogram.Domestic Purity rate of seed and the uniformity are poor, and germination rate is relatively low, and needing suitably increases the amount of broadcasting to 0.7～1.1 kilogram every mu.
Wherein, step 7) release time of described input honeybee is mid-May.
Clover is cross pollination plant, and pollination is main by honeybee class.At the end of spring and the beginning of summer clover comes into bloom, and owing to being subject to the impact of plateau climate acute variation, almost there is no wild bee activity.Through observing, the honeysuckle opening in early days is not pollinated and directly withers and falls.The clover late kernel maturing of being pollinated is not high.Meanwhile, the arriving in rainy season can greatly affect the activity of honeybee class, and then impact pollination.
Wherein, step 8) described Spraying Trace Elements, the period spraying be at the beginning of 6 months, at the beginning of 7 months respectively once; With boron fertilizer 18 weight portions, manganese fertilizer 15 weight portions, be watered 10000 weight portions at every turn.
Wherein, step 8) sodium tetraborate decahydrate of described boron fertilizer preferred mass percentage composition 98%, the manganese sulphate of described manganese fertilizer preferred mass percentage composition 96%.
Wherein, step 8) described in after 11 of mornings that is ceiling unlimited time of spraying, when morning dew larger, should wait until that dew is less or spray during without dew.Because the clover florescence is also the rainy season in Tibet, if after spraying morning on the same day, afternoon or evening rain, should be at second day repeat spraying once.
Wherein, the standard spraying is: squirt blade face, top layer blade face and lower floor blade face all spray evenly, spray 1-2 time.
Step 9) irrigation in field management need control well, and clover is stricter to the requirement of moisture, and moisture can promote it to grow when sufficient.Season for irrigaton should carry out in clover planting with before the flower bud differentiation stage.Bloom later stage, pod bearing period need not irrigate, and keeps less water content, can obtain higher seed production.
Wherein, step 9) described field management also comprises time interval that thinning, seed are produced and space interval, weed control, the extermination of disease and insect pest.
Seedling thinning: alfalfa seed produce in plant spacing cross conference and affect that individual plant grows and seed production, so seedling stage, primary administrative skill was thinning, in order to ventilation and penetrating light, Accelerate bloom with bear pods.15-20 strain/m generally keeps a full stand of seedings
2.
The time interval and space interval that seed is produced: in order to prevent the hybridization between clover different cultivars, when same piece of land plantation different cultivars clover, time limit that must be certain according to the class requirement interval of alfalfa seed, basic bacteria is no less than 4 years, registration seed is no less than 3 years, registered seed is no less than 2 years, causes and mixes to avoid being retained in non-variety seeds sprouting in soil.Under the condition of large area seeding, the space isolation of different cultivars clover should so that the grade of seed is different, requirement be different, and basic bacteria is no less than 400m, and registration seed is no less than 200m, and registered seed is no less than 100m.
Weed control: poor growth in 30～40 days after clover emerges, be subject to weeds infringement, in this period, management of weeds is the important step in cultivation.
The extermination of disease and insect pest: the method for sick worm control of weeds must, according to the policy of " putting prevention first, integrated control ", organically combine various technical measures, cost-effectively the harm of sick worm weeds is controlled under certain level.
Wherein, step 10) described results seed is:
A cradles airing, then threshing;
Or B combine is directly gathered in the crops.
The clover florescence is long, and seed maturity is inconsistent, generally determines harvest time according to the color of pod and seed moisture content, cradles airing in the time that the pod in field 65～80% becomes brown, and then threshing or combine are directly gathered in the crops.Manually cradle airing, waste time and energy, efficiency is low, and combining engine efficiency is higher.Should, according to local actual conditions, select sowing mode.Run into strong wind continuing precipitation weather harvest time, the loss of seed is serious, can reach more than 50%, thereby the area that strong wind weather is frequent or precipitation is concentrated, with combine directly gather in the crops or concentrated labour fast results for well.
Wherein, step 10) described storage will carry out inspection of fixed place and time, and seed humidity exceedes 18% will be dried processing, prevent from that seed from piling up to heat up, and is also noted that generation and the prevention of worm, the plague of rats.
The application of the cultivation method that the present invention also provides the regional Alfalfa seed yield in described raising Tibet " two rivers, a river " in Tibet " two rivers, a river " regional clover plantation.
The present invention has following beneficial effect:
For solving Tibet " two rivers, a river " problem that regional Alfalfa seed yield is lower, the invention provides a kind of cultivation method that improves the regional Alfalfa seed yield in Tibet " two rivers, a river ", the measures such as Pollinating Insect, Spraying Trace Elements, suitably irrigation, field management, in good time results are controlled, thrown in to seed treatment, sowing time before being selected, sowed by kind, greatly provides Tibet " two rivers, a river " regional Alfalfa seed yield.
Embodiment
Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
Embodiment 1
Within 2012, throw in honeybee experiment in alfalfa seed production base, Lu Qiong township, Shan Nan Naidong County, Tibet.According to observations, can reach 8-10/m in movable active peak period (noon at florescence) the honeybee quantity of Lanzhou honeybee
2, and the peak period honeybee quantity of " two rivers, a river " regional honeybee activity is 2-3/m in Tibet
2, quantity is not enough far away.420 mu of alfalfa grounds of alfalfa seed base, Lu Qiong township plantation, in mid-May, throw in 100 casees honeybees altogether, 10 mu of ground approximately 2.4 casees, and honeybee is the apis mellifera of local private cultivation.Because seed base periphery also has other farmlands, the scope that honeybee can pollinate will expand again, cause clover honeybee quantity slightly to reduce.Make the square chase of 1m × 1m × 1m early stage, uses gauze clad can, to stop honeybee to fly into.Chase is covered to 1m
2the alfalfa ground of size, repeats 6 times, and this is isolated area, and what do not covered is open pollination district.When sowing, collect the alfalfa seed in isolated area and open pollination district, result shows, isolated area seed production is about 10-12kg/ mu, and open pollination district seed production is about 21-24kg/ mu.Open pollination district is higher more than 50% than isolated area seed production.Therefore, in the bee-keeping of the area of Planting Medicago sativa, be conducive to pollination, improve seed production.
Embodiment 2
In 2010,30 parts of Lu Qiong township, Naidong County, Shannan District of Tibet Autonomous Region seed-test base Planting Medicago sativa kinds, the concrete grammar of plantation was:
Warm-cold seed treatment facture (galling kind of a pico farad also can reach same effect) seed treatment makes alfalfa seed hard seed rate in 5%～15% scope, and physical purity of seed and germination rate all reach more than 85%.
In selection proving ground, preservation capacity of water and fertility is strong, irrigation and drainage convenient, the good plot of clay fertilizer condition, before sowing, stubble-cleaning is ploughed in plot, applies fertilizer to the subsoil.Described applying fertilizer to the subsoil as applying barnyard manure and phosphate fertilizer is made base fertilizer in the time ploughing, every mu of manuring 2000-3000 kilogram, executes superphosphate 25-50 kilogram.
Adopt drilling, drill spacing 50-70 centimetre, seed level 1-1.5 centimetre.
0.6 kilogram every mu, import seed, 0.7 kilogram every mu, domestic seed.
Throwing in honeybee pollinates.Injected volume is referring to embodiment 1.
Irrigation in field management need be controlled well, and clover is stricter to the requirement of moisture, and moisture can promote it to grow when sufficient.Season for irrigaton should carry out in clover planting with before the flower bud differentiation stage.Bloom later stage, pod bearing period need not irrigate, and keeps less water content, can obtain higher seed production.
Field management also comprises time interval that thinning, seed are produced and space interval, weed control, the extermination of disease and insect pest.
Seedling thinning: alfalfa seed produce in plant spacing cross conference and affect that individual plant grows and seed production, so seedling stage, primary administrative skill was thinning, be beneficial to ventilation and penetrating light, Accelerate bloom with bear pods.15-20 strain/m generally keeps a full stand of seedings
2.
The time interval and space interval that seed is produced: in order to prevent the hybridization between clover different cultivars, when same piece of land plantation different cultivars clover, time limit that must be certain according to the class requirement interval of alfalfa seed, basic bacteria is no less than 4 years, registration seed is no less than 3 years, registered seed is no less than 2 years, causes and mixes to avoid being retained in non-variety seeds sprouting in soil.Under the condition of large area seeding, the space isolation of different cultivars clover should so that the grade of seed is different, requirement be different, and basic bacteria is no less than 400m, and registration seed is no less than 200m, and registered seed is no less than 100m.
Weed control: poor growth in 30～40 days after clover emerges, be subject to weeds infringement, in this period, management of weeds is the important step in cultivation.
The extermination of disease and insect pest: the method for sick worm control of weeds must, according to the policy of " putting prevention first, integrated control ", organically combine various technical measures, cost-effectively the harm of sick worm weeds is controlled under certain level.
In the time that the pod in field 65～80% becomes brown, gather in the crops seed, clean, classification, storage.
Mensuration by 2011,2012,2013 3 years to 30 parts of Alfalfa seed yields (every year by the end of September, at the beginning of 10 months, sowing is surveyed and produced), due to the impact of Tibet weather, rainwater, part variety yield changes greatly, within 3 years, survey and show that visitor, middle blue No. 1, Algonquin, the several variety yields of Alfaking are higher postpartum, annual output is all more than 20kg/ mu.
Table 130 alfalfa variety is in the output test result of Tibet plantation
| Variety name | 2011 output | 2012 output | 2013 output | Average yield |
| Algonquin | 22.07 | 30.39 | 26.25 | 26.24 |
| Workers and peasants No. 2 | 18.74 | 31.19 | 19.98 | 23.30 |
| Alfaking | 20.26 | 28.43 | 20.31 | 23.00 |
| Visitor | 24.29 | 21.05 | 22.46 | 22.60 |
| Middle blue No. 1 | 21.33 | 22.45 | 20.64 | 21.47 |
| Moral treasured | 8.84 | 19.65 | 34.55 | 21.01 |
| Giant | 18.51 | 19.71 | 22.32 | 20.18 |
| Pastoral song | 25.53 | 14.32 | 20.58 | 20.14 |
| Longdong alfalfa | 16.50 | 11.60 | 30.11 | 19.40 |
| Exhale alliance 20 | 22.60 | 16.64 | 18.43 | 19.22 |
| Figure herds No. 2 | 15.77 | 28.42 | 10.18 | 18.12 |
| Exhale alliance 16 | 12.51 | 27.92 | 12.62 | 17.68 |
| The Soviet Union 1034 | 11.03 | 5.93 | 35.11 | 17.36 |
| HZ998 | 14.32 | 22.22 | 13.70 | 16.75 |
| Suntory | 19.50 | 7.51 | 22.19 | 16.40 |
| It selects No. 1 | 8.86 | 16.34 | 23.12 | 16.11 |
| No. 4, sweet agriculture | 21.56 | 13.42 | 12.74 | 15.91 |
| Clover in Gansu Province | 22.85 | 16.42 | 7.79 | 15.69 |
| No. l, sweet agriculture | 12.46 | 12.58 | 21.21 | 15.42 |
| Egyptian | 19.70 | 15.42 | 9.42 | 14.85 |
[0083]?
| De Fu | 8.02 | 11.84 | 22.96 | 14.27 |
| Queen | 0.54 | 18.37 | 22.62 | 13.85 |
| Bo Laiwei | 0.35 | 11.54 | 29.29 | 13.73 |
| Xinjiang big Leaf | 1.56 | 9.4l | 27.62 | 12.86 |
| Cossack | 5.86 | 17.89 | 13.35 | 12.37 |
| Polaris | 7.10 | 7.93 | 19.3l | 11.45 |
| Lei Xisi | 5.88 | 15.06 | 13.40 | 11.44 |
| 80-75 | 7.16 | 13.18 | 8.93 | 9.76 |
| Single choice 2000 | 4.47 | 10.36 | 14.23 | 9.69 |
| Profound Li Pu | 3.87 | 6.99 | 12.16 | 7.67 |
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also open out some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a cultivation method that improves the regional Alfalfa seed yield in Tibet " two rivers, a river ", is characterized in that, comprises the following steps:
1) kind is selected
Select the autumn to sleep level high yield, the quality alfalfa kind of 1 grade-6 grades;
2) seed treatment before sowing
Seed treatment makes alfalfa seed hard seed rate in 5%～15% scope, and physical purity of seed and germination rate all reach more than 85%;
3) selection of land, whole ground, apply fertilizer to the subsoil
Select warm area, preservation capacity of water and fertility is strong, irrigation and drainage are convenient, the good plot of clay fertilizer condition, before sowing, stubble-cleaning is ploughed in plot, applies fertilizer to the subsoil;
4) control sowing time
The area that Shannan Prefecture height above sea level is lower, the sowing time in spring end, summer, Qiu Chujun can; The area that Shannan Prefecture height above sea level is higher, the sowing time completes at the beginning of late April to 5 month for sowing in spring, summer, autumn sowing need before complete by the end of August sowing;
5) seeding method
Employing is broadcasted sowing or mode of unicast carries out drilling, drill spacing 50-70 centimetre, seed level 1-1.5 centimetre;
6) seeding quantity
0.7～1.1 kilogram every mu, 0.6～1.0 kilogram every mu, import seed or domestic seed;
7) throw in Pollinating Insect
Throwing in honeybee pollinates;
8) Spraying Trace Elements
The micro-fertilizer of foliage-spray;
9) field management
Irrigate in clover planting with before the flower bud differentiation stage, the later stage of blooming, pod bearing period, do not irrigate;
10) results seed
In the time that the pod in field 65～80% becomes brown, gather in the crops seed, clean, classification, storage.
2. the cultivation method of the regional Alfalfa seed yield in raising as claimed in claim 1 Tibet " two rivers, a river ", it is characterized in that step 1) described autumn level of sleeping is selected from visitor, middle blue No. 1, Algonquin, Alfaking high yield, the quality alfalfa kind of 1 grade-6 grades.
3. the cultivation method of the regional Alfalfa seed yield in raising as claimed in claim 1 Tibet " two rivers, a river ", is characterized in that step 2) method of seed treatment before described sowing is: 1. galling kind of a pico farad, or 2. warm-cold seed treatment facture.
4. the cultivation method of the regional Alfalfa seed yield in raising as claimed in claim 1 Tibet " two rivers, a river ", is characterized in that step 3) described in apply fertilizer to the subsoil, for applying barnyard manure and phosphate fertilizer is made base fertilizer in the time ploughing.
5. the cultivation method of the regional Alfalfa seed yield in raising as claimed in claim 1 Tibet " two rivers, a river ", is characterized in that step 6) described Spraying Trace Elements, the period spraying be at the beginning of 6 months, at the beginning of 7 months respectively once.
6. the cultivation method of the regional Alfalfa seed yield in raising as claimed in claim 5 Tibet " two rivers, a river ", is characterized in that described Spraying Trace Elements with boron fertilizer 18 weight portions, manganese fertilizer 15 weight portions, is watered 10000 weight portions at every turn.
7. the cultivation method of the regional Alfalfa seed yield in raising as claimed in claim 1 Tibet " two rivers, a river ", it is characterized in that step 9) described field management also comprises time interval that thinning, seed are produced and space interval, weed control, the extermination of disease and insect pest.
8. the cultivation method of the regional Alfalfa seed yield in raising as claimed in claim 1 Tibet " two rivers, a river ", it is characterized in that, step 10) described storage will carry out inspection of fixed place and time, seed humidity exceedes 18% will be dried processing, prevent that seed accumulation from heating up, and is also noted that generation and the prevention of worm, the plague of rats.
9. the application of the cultivation method of the regional Alfalfa seed yield in the raising Tibet described in claim 1-8 any one " two rivers, a river " in Tibet " two rivers, a river " regional clover plantation.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105123231A (en) * | 2015-09-08 | 2015-12-09 | 定西华冠农牧业开发有限公司 | Micro-irrigation planting method for alfalfa |
| CN105850416A (en) * | 2016-04-06 | 2016-08-17 | 十堰市农业生态环境保护站 | Method for preventing and treating water and soil losses of sloping fields through crop rotation of burclover and red flowers |
| CN107047020A (en) * | 2017-04-27 | 2017-08-18 | 重庆市润林农业发展有限公司 | A kind of high yield Alfalfa planting technology |
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| CN105850416B (en) * | 2016-04-06 | 2018-11-02 | 十堰市农业生态环境保护站 | A method of Topographic factor is prevented by three leaf vegetables of crop rotation and safflower |
| CN107047020A (en) * | 2017-04-27 | 2017-08-18 | 重庆市润林农业发展有限公司 | A kind of high yield Alfalfa planting technology |
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