CN105379530A - Cultivation method for increasing yield of common buckwheat - Google Patents
Cultivation method for increasing yield of common buckwheat Download PDFInfo
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- CN105379530A CN105379530A CN201510776177.5A CN201510776177A CN105379530A CN 105379530 A CN105379530 A CN 105379530A CN 201510776177 A CN201510776177 A CN 201510776177A CN 105379530 A CN105379530 A CN 105379530A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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Abstract
The invention discloses a cultivation method for increasing the yield of common buckwheat. The cultivation method comprises the following steps of A fine soil preparation, B reasonable fertilization, C seed selection, D seed soaking, E seeding and F field management. The common buckwheat planted through the cultivation method is high in survival rate and fast in growing and development, the yield of a base is increased by 50.92% to the maximum degree, the production value is high, economic benefits are good, the export volume of foreign trade is increased, and development of the common buckwheat industry is promoted. The obtained common buckwheat is good in quality, and the content of flavones reaches 0.176%.
Description
Technical field
The present invention relates to a kind of cultivation method of sweet buckwheat, particularly a kind of cultivation method improving sweet buckwheat output.
Technical background
Buckwheat (Buckwheat) belongs to polygonaceae (Polygonaceae) Fagopyrum (Fagopyrum), for annual or perennial root plant, buckwheat has 2 cultivated speciess, one is sweet buckwheat (F.esculentum), namely general buck wheat, another is bitter buckwheat (F.tataricum).China is the big producing country of buckwheat, has long buckwheat plantation history.Annual plantation buckwheat area about has 2,000,000 hm
2, buckwheat gross yield about 1,000,000 t, cultivated area and gross yield are only second to the former Soviet Union and come second place of the world.The exported product that buckwheat Ye Shi China is traditional, finds a good sale in the U.S., Japan and European, and Japan accounts for 70% of its buckwheat import total amount from the buckwheat product of Chinese import every year.China is basically stable at about 600,000 tons in the buckwheat annual production of last century end, but due to the restriction of all factors, just drops to 48.1 ten thousand tons by 2002, within 2003, be down to 32.7 ten thousand tons, although 2004 take some effective measures, relevant department estimates, annual production is still less than 280,000 tons.Buckwheat has unique nutritive value and health value and extremely people's favor, and Japan, the U.S., Russia and some European developed countries are very prosperous to the demand of buckwheat in recent years.At present, Japan requires China's export 500,000 t every year, and China can only supply 1/10th of its needs.International market outlet 1t buckwheat can exchange 3-5t wheat for.
The nutritive value that buckwheat tool is very high and medicinal health value.In China, buckwheat and oat, Food Legume, black rice, millet, corn, wheat bran, rice bran etc. are also called eight large health foods.Sweet buckwheat economic worth is higher, can make multiple typical local food, has higher medicinal health value, has the effects such as maintenance is cardiovascular normally, reduction cholesterol, reduction blood sugar, reduction blood fat.When planting sweet buckwheat in prior art (not spraying hormone), normally sweet buckwheat seed is spread in the ground, allow its self-sow, the sweet buckwheat output of planting in this way is lower, can not meet the demand of people to sweet buckwheat, at present, sweet buckwheat is all shorter from domestic market to foreign export, the output of sweet buckwheat is lower, is generally only 1050-1500kg/hm
2.
Summary of the invention:
The object of the invention is to, a kind of cultivation method improving sweet buckwheat output is provided.The sweet buckwheat survival rate of this cultivation method plantation is high, and grow fast, base output improves 50.92% at most, and the output value is high, good in economic efficiency, adds foreign export amount, facilitates the development of sweet buckwheat industry; And the sweet buckwheat quality better of gained, general flavone content reaches 0.176%.
For solving the problems of the technologies described above, the present invention realizes by the following technical solutions: a kind of cultivation method improving sweet buckwheat output, is characterized in that: comprise the following steps: A. is meticulous wholely, the B. rational application of fertilizer, and C. chooses seeds, and D. soaks seed, and E. sows, F. field management.
In the cultivation method of the sweet buckwheat output of aforesaid raising,
Described steps A is meticulous is wholely: farming: cultivated ditch is no more than 10cm, adopts the mode of drilling, line-spacing 20-40cm, removes preceding crop and remains and weeds, and soil table is loose, and every ridge 1-2m digs trenches to drain the water away;
The described step B rational application of fertilizer is: 1., use sufficient base fertilizer: the inorganic weight ratio 1:2 with fertilizer in base fertilizer; 2., topdress: dressing time is the sweet buckwheat pustulation period, and topdressing amount is the 1/4-1/2 of amount of inorganic fertilizer applied in base fertilizer; 3., during fertilising, fertilizer and seed are separated;
Described step C seed selection is: select breeding, namely except empty grain, and blighted grain, broken grain, the seed of careless grain and impurity, selects full neat seed, and 1-2d basks seeds in advance;
Described step D seed soaking is: eluriate seed 2-3 time with the clear water of 20-28 DEG C, and the seed soaking water yield exceedes the 2-3 of seed volume doubly, and seed soaking process should change water 1-2 time, and washes by rubbing with the hands gently, and the mucus on seed coat is removed in drift, can not damage seed coat;
Described step e sowing is: the sowing time is the 7-8 month, and planting seed amount is 50-75kg/hm
2;
Described step F field management is: 1., save seedling from damage: situation of emerging is undesirable, fill the gaps with seedlings in time; 2., intertill and clean tillage: sweet buckwheat grows to and carries out weeding seedling stage; 3., Chemical Control: carry out weeding when sweet buckwheat grows true leaf, spray the NAA of 30-180mg/L respectively at early squaring and full-bloom stage, complete stool spraying process, the time of spraying is 9:30-10:30 in morning.
In the cultivation method of the sweet buckwheat output of aforesaid raising, described steps A is meticulous is wholely: farming: cultivated ditch is no more than 10cm, adopts the mode of drilling, line-spacing 25-35cm, removes preceding crop and remains and weeds, and soil table is loose, and every ridge 1.3-1.7m digs trenches to drain the water away.
In the cultivation method of the sweet buckwheat output of aforesaid raising, the described step B rational application of fertilizer is: 1., use sufficient base fertilizer: the inorganic weight ratio 1:2 with fertilizer in base fertilizer; Described inorganic fertilizer is containing N25-35kg/hm
2, P
2o
555-65kg/hm
2, K
2o25-35kg/hm
2; The fertilizing amount of described fertilizer is 230-250kg/hm
2; 2., topdress: dressing time is the sweet buckwheat pustulation period, and topdressing amount is the 1/4-1/2 of the consumption of inorganic fertilizer in base fertilizer; Describedly to topdress containing N10-20kg/hm
2, P
2o
525-35kg/hm
2, K
2o10-20kg/hm
2; 3., during fertilising, fertilizer and seed are separated.
In the cultivation method of the sweet buckwheat output of aforesaid raising, described line-spacing 30cm.
In the cultivation method of the sweet buckwheat output of aforesaid raising, described inorganic fertilizer is containing N30kg/hm
2, P
2o
560kg/hm
2, K
2o30kg/hm
2; The fertilizing amount of described fertilizer is 240kg/hm
2.
In the cultivation method of the sweet buckwheat output of aforesaid raising, in described step B, dressing time is the sweet buckwheat pustulation period, and topdressing amount is 1/3 of the consumption of inorganic fertilizer in base fertilizer.
In the cultivation method of the sweet buckwheat output of aforesaid raising, in described step B, described in topdress containing N15kg/hm
2, P
2o
530kg/hm
2, K
2o15kg/hm
2.
In the cultivation method of the sweet buckwheat output of aforesaid raising, in described step e, planting seed amount is 52.5kg/hm
2.
In the cultivation method of the sweet buckwheat output of aforesaid raising, in described step F field management, described Chemical Control is: carry out weeding when sweet buckwheat grows true leaf, why be (30 to spray 30mg/L respectively at early squaring and full-bloom stage?) NAA, complete stool spraying process, the time of spraying is 9:30-10:30 in morning.
Buckwheat (Buckwheat) belongs to polygonaceae (Polygonaceae) Fagopyrum (Fagopyrum), for annual or perennial root plant, buckwheat has 2 cultivated speciess, one is sweet buckwheat (F.esculentum), namely general buck wheat, another is bitter buckwheat (F.tataricum), buckwheat has unique nutritive value and health value and extremely people's favor, and buckwheat and oat, Food Legume, black rice, millet, corn, wheat bran, rice bran etc. are also called eight large health foods.Sweet buckwheat economic worth is higher, can make multiple typical local food, has higher medicinal health value, has the effects such as maintenance is cardiovascular normally, reduction cholesterol, reduction blood sugar, reduction blood fat.
Inventors performed a large amount of experimental studies have found that, the sweet buckwheat survival rate of planting with cultivation method of the present invention is high, grows fast, base output improves 50.92% at most, and the output value is high, good in economic efficiency, add foreign export amount, facilitate the development of sweet buckwheat.And the sweet buckwheat quality better of gained, general flavone content reaches 0.176%.In described cultivation method, be describedly meticulously: farming: cultivated ditch is no more than 10cm, adopts the mode of drilling, line-spacing 30-40cm that remove the residual and weeds of preceding crop, soil table is loose, and every ridge 1.5-2m digs trenches to drain the water away wholely; Rationally distributed like this, efficiently avoid the excessive competition to nutrient between sweet buckwheat, improve root system absorbing nutrient, promote the growth of sweet buckwheat, improve the quality of production of sweet buckwheat, and then ensure that the quality of sweet buckwheat; Ensure that the strain number of sweet buckwheat simultaneously, improve the output of sweet buckwheat.During fertilising, fertilizer and seed are separated, prevent from burning seedling.During seed selection, reject empty grain, blighted grain, broken grain, the seed of careless grain and impurity, selects full neat seed, and 1-2d basks seeds in advance; The germination rate of seed can be improved like this, for nurturing staff lays the first stone, thus improve the survival rate of sweet buckwheat, and then make sweet buckwheat output increased.Sowing time eluriates seed 2-3 time with the clear water of 20-28 DEG C, and the seed soaking water yield exceedes 2-3 times of seed volume, and seed soaking process should change water 1-2 time, and washes by rubbing with the hands gently, can float the mucus on seed coat like this, improves speed of germination and the germination rate of sweet buckwheat.
In addition, inventor finds through a large amount of tests, the NAA of 30-180mg/L is sprayed respectively at early squaring and full-bloom stage, complete stool spraying process, the time of spraying is 9:30-10:30 in morning, can promote the growth of sweet buckwheat like this, and then improve the output of sweet buckwheat, base output improves 50.92% at most, thus the output value of sweet buckwheat is improved, good in economic efficiency.
In addition, sweet buckwheat have keep cardiovascular normal, reduce cholesterol, reduce blood sugar, reduce the effect such as blood fat, anti-constipation.And the flavonoids that the material playing these effects mainly contains in sweet buckwheat, namely flavonoids is the leading indicator evaluating sweet buckwheat quality, inventor thinks, although spray the output that hormone adds sweet buckwheat, but the quality of sweet buckwheat can ensure? therefore the sweet buckwheat of planting out according to the inventive method has been carried out Quality Detection by inventor, is index during detection with general flavone content.Testing result finds, spray the NAA of 30-180mg/L, can not affect the quality of sweet buckwheat, general flavone content is 0.095-0.176%, quality does not decline, and when spraying concentration is the NAA of 60mg/L, flavones content is the highest, up to 0.176%, compared with prior art, improve 0.065%.
Compared with prior art, the sweet buckwheat survival rate of cultivation method plantation of the present invention is high, and grow fast, base output improves 50.92% at most, and the output value is high, good in economic efficiency, adds foreign export amount, facilitates the development of sweet buckwheat.And the sweet buckwheat quality better of gained, flavones content reaches 0.176%.
Below in conjunction with embodiment, invention is further described, but not as the foundation limited the present invention.
Embodiment:
Embodiment 1.
A kind of cultivation method improving sweet buckwheat output comprises the following steps:
Steps A is meticulous wholely: farming: cultivated ditch is no more than 10cm, adopts the mode of drilling, line-spacing 35cm, removes preceding crop and remains and weeds, and soil table is loose, and every ridge 1.4-1.6m digs trenches to drain the water away;
The step B rational application of fertilizer: 1., use sufficient base fertilizer: the inorganic weight ratio 1:2 with fertilizer in base fertilizer; Described inorganic fertilizer is containing N30kg/hm
2, P
2o
560kg/hm
2, K
2o30kg/hm
2; The fertilizing amount of described fertilizer is 240kg/hm
2; 2., topdress: dressing time is the sweet buckwheat pustulation period, and topdressing amount is 1/3 of the consumption of inorganic fertilizer in base fertilizer; Describedly to topdress containing N15kg/hm
2, P
2o
530kg/hm
2, K
2o15kg/hm
2; 3., during fertilising, fertilizer and seed are separated;
Step C chooses seeds: select breeding, namely except empty grain, and blighted grain, broken grain, the seed of careless grain and impurity, selects full neat seed, and 2d basks seeds in advance;
Step D soaks seed: sowing time eluriates seed 2 times with the clear water of 25 DEG C, and the seed soaking water yield exceedes 3 times of seed volume, and seed soaking process should change water 2 times, and washes by rubbing with the hands gently, floats the mucus gone on seed coat, can not damage seed coat;
Step e is sowed: the sowing time is by the end of August, and planting seed amount is 52.5kg/hm
2.
Step F field management: 1., save seedling from damage: situation of emerging is undesirable, fill the gaps with seedlings in time; 2., intertill and clean tillage: sweet buckwheat grows to and carries out weeding seedling stage; 3., Chemical Control: carry out weeding when sweet buckwheat grows true leaf, spray the NAA of 60mg/L respectively at early squaring and full-bloom stage, complete stool spraying process, the time of spraying is 9:30-10:30 in morning.
Embodiment 2.
Steps A is meticulous wholely: farming: cultivated ditch is no more than 10cm, adopts the mode of drilling, line-spacing 40cm, removes preceding crop and remains and weeds, and soil table is loose, and every ridge 1m digs trenches to drain the water away;
The step B rational application of fertilizer: 1., use sufficient base fertilizer: the inorganic weight ratio 1:2 with fertilizer in base fertilizer; Described inorganic fertilizer is containing N35kg/hm
2, P
2o
565kg/hm
2, K
2o35kg/hm
2; The fertilizing amount of described fertilizer is 250kg/hm
2; 2., topdress: dressing time is the sweet buckwheat pustulation period, the consumption that topdressing amount is inorganic fertilizer in base fertilizer 1/3 described in topdress containing N20kg/hm
2, P
2o
535kg/hm
2, K
2o20kg/hm
2; 3., during fertilising, fertilizer and seed are separated;
Step C chooses seeds: select breeding, namely except empty grain, and blighted grain, broken grain, the seed of careless grain and impurity, selects full neat seed, and 2d basks seeds in advance;
Step D soaks seed: sowing time eluriates seed 2 times with the clear water of 25 DEG C, and the seed soaking water yield exceedes 3 times of seed volume, and seed soaking process should change water 2 times, and washes by rubbing with the hands gently, floats the mucus gone on seed coat, can not damage seed coat;
Step e is sowed: the sowing time is mid-July, and planting seed amount is 75kg/hm
2.
Step F field management: 1., save seedling from damage: situation of emerging is undesirable, fill the gaps with seedlings in time; 2., intertill and clean tillage: sweet buckwheat grows to and carries out weeding seedling stage; 3., Chemical Control: carry out weeding when sweet buckwheat grows true leaf, spray the NAA of 180mg/L respectively at early squaring and full-bloom stage, complete stool spraying process, the time of spraying is 9:30-10:30 in morning.
Embodiment 3.
Improve a cultivation method for sweet buckwheat output, comprise the following steps:
Steps A is meticulous wholely: farming: cultivated ditch is no more than 10cm, adopts the mode of drilling, line-spacing 20cm, removes preceding crop and remains and weeds, and soil table is loose, and every ridge 2m digs trenches to drain the water away;
The step B rational application of fertilizer: 1., use sufficient base fertilizer: in base fertilizer, the inorganic weight ratio 1:2 inorganic fertilizer with fertilizer is containing N25kg/hm
2, P
2o
555kg/hm
2, K
2o25kg/hm
2; The fertilizing amount of described fertilizer is 230kg/hm
2; 2., topdress: dressing time is the sweet buckwheat pustulation period, and topdressing amount is 1/3 of the consumption of inorganic fertilizer in base fertilizer; Describedly to topdress containing N10kg/hm
2, P
2o
525kg/hm
2, K
2o10kg/hm
2; 3., during fertilising, fertilizer and seed are separated;
Step C chooses seeds: select breeding, namely except empty grain, and blighted grain, broken grain, the seed of careless grain and impurity, selects full neat seed, and 1d basks seeds in advance;
Step D soaks seed: sowing time eluriates seed 3 times with the clear water of 28 DEG C, and the seed soaking water yield exceedes 3 times of seed volume, and seed soaking process should change water 2 times, and washes by rubbing with the hands gently, floats the mucus gone on seed coat, can not damage seed coat;
Step e is sowed: the sowing time, planting seed amount was 50kg/hm at the beginning of 7 months
2.
Step F field management: 1., save seedling from damage: situation of emerging is undesirable, fill the gaps with seedlings in time; 2., intertill and clean tillage: sweet buckwheat grows to and carries out weeding seedling stage; 3., Chemical Control: carry out weeding when sweet buckwheat grows true leaf, spray the NAA of 30mg/L respectively at early squaring and full-bloom stage, complete stool spraying process, the time of spraying is 9:30-10:30 in morning.
Inventor gets sweet buckwheat (not spraying any hormone) each 100g planted by sweet buckwheat and the prior art of embodiment 1 gained respectively, and be divided into 10 groups, often organize 10g, carry out Quality Detection, results averaged, testing result is in table 1.
The sweet buckwheat Quality Detection of table 1
As seen from table, flavones content is planted in the sweet buckwheat of gained by embodiment a kind higher than the content of general flavone in existing sweet buckwheat.The sweet buckwheat quality of being undertaken planting by enforcement 1 is better.
For drawing the optium concentration spraying NAA, applicant get respectively on same soil according to distinct methods the sweet buckwheat of planting out carried out Quality Detection.
Detected object:
Existing sweet buckwheat group (i.e. CK) group: do not spray any hormone;
Of the present invention group 1: spray concentration is the NAA of 30mg/L;
Of the present invention group 2: spray concentration is the NAA of 60mg/L;
Of the present invention group 3: spray concentration is the NAA of 90mg/L;
Of the present invention group 4: spray concentration is the NAA of 120mg/L;
Of the present invention group 5: spray concentration is the NAA of 150mg/L;
Of the present invention group 6: spray concentration is the NAA of 180mg/L.
Testing result is as table 2:
General flavone content testing result when table 2 sprays the NAA of variable concentrations
As seen from table, when spraying NAA, general flavone content close to when not spraying, therefore sprays the quality of NAA on sweet buckwheat and does not affect, and when the NAA concentration sprayed is 60mg/L, in sweet buckwheat, general flavone content is up to 0.176%, exceeds 0.065% than when not spraying NAA.Therefore when to spray the concentration of NAA be 60mg/L, sweet buckwheat quality is best.
In addition, applicant also adds up output, and statistics is in table 3:
Table 3 output statistics result
As seen from table, compared with prior art, the sweet buckwheat of planting is carried out by embodiment 1, ultimate output volume increase 50.92%; When planting by embodiment 2, volume increase 50.46%; When planting by embodiment 3, volume increase 43.03%.
Conclusion: when spraying NAA, in sweet buckwheat, general flavone content is not close to when spraying, and when spray concentration is the NAA of 60mg/L, general flavone content is the highest.The output of simultaneously spraying sweet buckwheat during NAA substantially increases.
Claims (10)
1. improve a cultivation method for sweet buckwheat output, it is characterized in that: comprise the following steps: A. is meticulous wholely, the B. rational application of fertilizer, C. chooses seeds, and D. soaks seed, and E. sows, F. field management.
2. the cultivation method improving sweet buckwheat output as claimed in claim 1, is characterized in that:
Described steps A is meticulous is wholely: farming: cultivated ditch is no more than 10cm, adopts the mode of drilling, line-spacing 20-40cm, removes preceding crop and remains and weeds, and soil table is loose, and every ridge 1-2m digs trenches to drain the water away;
The described step B rational application of fertilizer is: 1., use sufficient base fertilizer: the inorganic weight ratio 1:2 with fertilizer in base fertilizer; 2., topdress: dressing time is the sweet buckwheat pustulation period, and topdressing amount is the 1/4-1/2 of amount of inorganic fertilizer applied in base fertilizer; 3., during fertilising, fertilizer and seed are separated;
Described step C seed selection is: select breeding, namely except empty grain, and blighted grain, broken grain, the seed of careless grain and impurity, selects full neat seed, and 1-2d basks seeds in advance;
Described step D seed soaking is: eluriate seed 2-3 time with the clear water of 20-28 DEG C, and the seed soaking water yield exceedes the 2-3 of seed volume doubly, and seed soaking process should change water 1-2 time, and washes by rubbing with the hands gently, and the mucus on seed coat is removed in drift, can not damage seed coat;
Described step e sowing is: the sowing time is the 7-8 month, and planting seed amount is 50-75kg/hm
2;
Described step F field management is: 1., save seedling from damage: situation of emerging is undesirable, fill the gaps with seedlings in time; 2., intertill and clean tillage: sweet buckwheat grows to and carries out weeding seedling stage; 3., Chemical Control: carry out weeding when sweet buckwheat grows true leaf, spray the NAA of 30-180mg/L respectively at early squaring and full-bloom stage, complete stool spraying process, the time of spraying is 9:30-10:30 in morning.
3. the cultivation method improving sweet buckwheat output as claimed in claim 2, is characterized in that: described steps A is meticulous is wholely: farming: cultivated ditch is no more than 10cm, adopts the mode of drilling, line-spacing 25-35cm, remove preceding crop to remain and weeds, soil table is loose, and every ridge 1.3-1.7m digs trenches to drain the water away.
4. the as claimed in claim 2 cultivation method improving sweet buckwheat output, is characterized in that: the described step B rational application of fertilizer is: 1., use sufficient base fertilizer: the inorganic weight ratio 1:2 with fertilizer in base fertilizer; Described inorganic fertilizer is containing N25-35kg/hm
2, P
2o
555-65kg/hm
2, K
2o25-35kg/hm
2; The fertilizing amount of described fertilizer is 230-250kg/hm
2; 2., topdress: dressing time is the sweet buckwheat pustulation period, and topdressing amount is the 1/4-1/2 of the consumption of inorganic fertilizer in base fertilizer; Describedly to topdress containing N10-20kg/hm
2, P
2o
525-35kg/hm
2, K
2o10-20kg/hm
2; 3., during fertilising, fertilizer and seed are separated.
5. the cultivation method improving sweet buckwheat output as claimed in claim 3, is characterized in that: described line-spacing 30cm.
6. the cultivation method improving sweet buckwheat output as claimed in claim 4, is characterized in that: described inorganic fertilizer is containing N30kg/hm
2, P
2o
560kg/hm
2, K
2o30kg/hm
2; The fertilizing amount of described fertilizer is 240kg/hm
2.
7. the cultivation method improving sweet buckwheat output as claimed in claim 4, it is characterized in that: in described step B, dressing time is the sweet buckwheat pustulation period, and topdressing amount is 1/3 of the consumption of inorganic fertilizer in base fertilizer.
8. the as claimed in claim 4 cultivation method improving sweet buckwheat output, is characterized in that: in described step B, described in topdress containing N15kg/hm
2, P
2o
530kg/hm
2, K
2o15kg/hm
2.
9. the cultivation method improving sweet buckwheat output as claimed in claim 2, it is characterized in that: in described step e, planting seed amount is 52.5kg/hm
2.
10. the cultivation method improving sweet buckwheat output as claimed in claim 2, it is characterized in that: in described step F field management, described Chemical Control is: carry out weeding when sweet buckwheat grows true leaf, the NAA of 60mg/L is sprayed respectively at early squaring and full-bloom stage, complete stool spraying process, the time of spraying is 9:30-10:30 in morning.
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| CN112715185A (en) * | 2021-02-02 | 2021-04-30 | 成都大学 | Buckwheat grafting method |
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| 陈淑琴: "寿阳优质荞麦高产栽培技术", 《农业技术与装备》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111713352A (en) * | 2020-07-01 | 2020-09-29 | 贵州师范大学 | Cultivation method for improving tetraploid tartary buckwheat filling degree |
| CN112715185A (en) * | 2021-02-02 | 2021-04-30 | 成都大学 | Buckwheat grafting method |
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