CN102144513A - Once-sowing perennial self-production method of milk vetch in mechanically-transplanted single cropping rice field - Google Patents
Once-sowing perennial self-production method of milk vetch in mechanically-transplanted single cropping rice field Download PDFInfo
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Abstract
The invention discloses a once-sowing perennial self-production method of Chinese milk vetch in mechanically-transplanted single cropping rice field, relating to cultivation and utilization of Chinese milk vetch in single cropping rice field under the condition of adopting mechanical transplanting, particularly suitable for the green manuring rotation system of rice in the Taihu Lake region. In the method, Chinese milk vetch is interplanted in the rice field, and the method particularly comprises the following measures of: selecting an early or medium ripening Chinese milk vetch variety; ensuring that the Chinese milk vetch is ploughed and return to field during the period from May 10 to May 20; and ensuring that rice seedlings are transplanted mechanically during the period from early June to June 20; ditching the three channels for irrigating and draining after rice is harvested, and taking other measures. By using the method disclosed by the invention, the once-sowing perennial self-production of Chinese milk vetch is realized, the seed and manual seeding expense is reduced by 66.7% every year, the yield of the rice is improved by more than 7%, the rice effect is increased by 30-50 Yuan, and the organic matter content in the soil is improved by about 0.02 mg/Kg. The method saves labor, reduces cost, improves rice output, improves integrative benefit of the rice, combines ground utilization and ground cultivation and has good popularization and application prospects.
Description
Technical field
The present invention relates to a kind of machine transplanting of rice seedling single cropping rice field Chinese milk vetch and once sow for many years, be applicable to that single cropping rice field and paddy rice adopt under the prerequisite of the machine transplanting of rice seedling plantation of Chinese milk vetch and utilization from the method for numerous utilization.
Background technology
Chinese milk vetch is a kind of green manure crop, nitrogen in the energy fixed air, and general every mu of Chinese milk vetch is purity nitrogen 5-10 kilogram fixedly.In Taihu Lake basin plantation is arranged early, last century the seventies, the Chinese milk vetch cultivated area accounts for more than 1/3rd of arable area.Traditional rice field Chinese milk vetch plant utilization technology is to broadcast at rice field harvesting protheca annual autumn, 1 year spring, the Chinese milk vetch full-bloom stage was ploughed also field utilization, need annual sowing, sowing quantity and chemical industry amount are bigger, because Chinese milk vetch is as a kind of green manure, also the field utilizes, there is not direct economic benefit, therefore, along with economic development, a large amount of labourers circulate field and enterprise, use chemical fertilizer on the paddy rice in a large number, farmland quality worse and worse, the area of laying idle is more and more, the Chinese milk vetch cultivated area is also fewer and feweri.
Yet, in recent years, the Chinese milk vetch sowing area has certain rise trend, and its main cause is that government recognizes a large amount of use chemical fertilizer, not only reduced the soil tillage quality, reduce utilization rate of fertilizer, and accelerate the loss of paddy field nitrogen, phosphorus, body eutrophication is caused serious environmental problem, therefore, government increases input, and plantation is rewarded to Chinese milk vetch, promotes the Chinese milk vetch development; Secondly, be subjected to the drive of aquaculture, plant careless stock keeping and accepted by many peasants once more, the 3rd, the rice mechanical transplanting seedling is promoted, the soil circulation, the large plantation family produces, thereby promotes the rise of Chinese milk vetch.
Though the paddy field cultivation Chinese milk vetch utilizes rhizobium to carry out fixed nitrogen, can improve fertilizing soil, improve rice yield, also can be used as to pluck in green fodder stock keeping or early spring and work as dish, but owing to can not directly bring benefits, add cost factors such as purchasing kind and sowing every year, restricted the plantation of Chinese milk vetch.
In order to solve the high difficult problem of Chinese milk vetch planting cost, numerous research workers have done number of research projects, and obtained gratifying progress, the Zhu Pu of academy of agricultural sciences, Jiangsu Province in 2005 equality has been reported a kind of rice field Chinese milk vetch cultivation method of cost-saving synergistic, but their research only limits to the paddy rice routine and plants Chinese milk vetch cultivation method under the condition, fail further research and Chinese milk vetch under the rice mechanical transplanting seedling prerequisite once sowed for many years from numerous utilization and to the influence of soil tillage quality, thereby, carry out under the prerequisite of the machine transplanting of rice seedling Chinese milk vetch once sows for many years from the technology of numerous utilization and fails large-area applications in actual production in the TAI HU AREA large tracts of land, therefore, research is explored a kind of machine transplanting of rice seedling single cropping rice field Chinese milk vetch and is sowed once that the method from numerous utilization is still very necessary for many years.
Summary of the invention
The purpose of this invention is to provide a kind of machine transplanting of rice seedling single cropping rice field Chinese milk vetch and once sow for many years method from numerous utilization, make Chinese milk vetch carry out natural propagation in TAI HU AREA, reduce the Chinese milk vetch planting cost, improve rice yield and quality, while fertilizing soil farmland quality, improve utilization rate of fertilizer, reduce rice field nitrogen, phosphorus loss, alleviate widespread pollution from the overuse of fertilizers and pesticides in rural area.
Technical solution of the present invention
A kind of machine transplanting of rice seedling single cropping rice field Chinese milk vetch is once sowed for many years from the method for numerous utilization, and it comprises:
1, ripe Chinese milk vetch kind in selecting for use early, as Yujiang County's kind etc., early in the ripe seed full maturity before May 20 that is meant the ground floor pod;
2, optimum period, cover was broadcast: Chinese milk vetch need be sowed at the rice field by 7～10 days covers before paddy rice harvesting;
3, seeding quantity: about 2.5 kilograms of every mu of Chinese milk vetch seeding quantitys;
4, optimum period ploughs: May 10 is to May 20, the seed full maturity of Chinese milk vetch ground floor pod;
5, tillage method: water is 3～5 days in the elder generation, again with in drag and plough or rotary tillage and rotting more than 20 days, plough before the rice mechanical transplanting seedling is planted or harrow a field;
6, field management: the paddy rice management is with conventional identical, and increasing production of rice is more than 7%.In time open three ditches behind the paddy rice harvesting, in case ponding stain evil, trench digging can adopt machinery or artificial trench digging.
Technical thought of the present invention
1, proper seeding guarantees that Chinese milk vetch seed and paddy rice have the symbiosis phase of certain hour, helps seed germinating growth under adapt circumstance, guarantees to have the radix of a certain amount of seedling.
2, in time hold three ditches after the rice harves successfully, preventing influences Chinese milk vetch growth or dead seedling because of ponding.
3, take to go up earlier the method that water is ploughed, help Chinese milk vetch and in plow layer, evenly distribute and fully rot, help promoting paddy growth and
4, Nutrient Absorption improves rice yield.
5, fertilizing soil improves soil physical and chemical property, improves the soil organic matter, and average year improves about content of organic matter 0.02mg/Kg.
Technique effect of the present invention
1, reduces sowing quantity and sowing labour cost, reduced production cost.Calculate by 3 annual periods, adopt this technology only to need sowing in 1 year, 2.5 kilograms of every mu of Chinese milk vetch sowing quantities, 30 yuan of costs, 5 yuan of sowing labour costs add up to 35 yuan, average every mu of annual cost is 11.67 yuan, and conventional method needs 2.5 kilograms of annual sowings, needs 7.5 kilograms of sowing quantities altogether, 90 yuan of costs, 15 yuan of sowing labour costs, add up to 105 yuan, average every mu of annual cost is 35 yuan, and the cost expenditure descends 66.7%.
2, guarantee the output of Chinese milk vetch, adopt the technology of the present invention, 1 year is after planting, about 1800 kilograms of the bright careless per mu yield average out tos of 1 year Chinese milk vetch subsequently, and the bright careless per mu yield average out to of Chinese milk vetch was about 1700 kilograms in the 3rd year.
3, be equivalent to enrich pure nitrogen level more than 6 kilograms, increase rice yield more than 7%, average year improves about soil organic matter content 0.02mg/Kg, and significantly improves soil physical and chemical property.
The specific embodiment of the invention
The enforcement time: 2007-2009
Implement the place: Wujiang, Jiangsu
Select kind for use: Yujiang County's kind (market can be bought).
Tillage method: water is 3～5 days in the elder generation, again with in drag and plough or rotary tillage and rotting more than 20 days, plough before the rice mechanical transplanting seedling is planted or harrow a field.
Field management: the paddy rice management is in time held three ditches successfully with conventional identical behind the paddy rice harvesting, and with the prevention against water-logging evil, trench digging selects fine day to carry out, and method can adopt machinery or artificial trench digging.
Mu seeding quantity: 2.5 kilograms.
Embodiment
1 test is provided with: tested year December in October, 2007-2009 and carry out at Wujiang victory Dun Nongyekejiyuan.The Chinese milk vetch sowing time is on October 17th, 2007, and the paddy rice harvesting time was on October 27th, 2007 then.6 processing are established in test: handle A, Chinese milk vetch is ploughed and gone back the field time is April 30; Treatments B, Chinese milk vetch are ploughed and gone back the field time is May 10; Handle C, Chinese milk vetch is ploughed and gone back the field time is May 20; Handle D, Chinese milk vetch is ploughed and gone back the field time is May 25; Above-mentioned processing is gathered partly when ploughing go back to the field, and seed carries out germination test.Handle E and be contrast (CK), Chinese milk vetch is ploughed and gone back the field time is (local routine is ploughed the time) about April 20, and carries out conventional seed planting every year.It is blank handling F, and Chinese milk vetch and other crops of plantation are not sowed in blank leisure in continuous 3 year winter.The basic seedling of Chinese milk vetch in next year is with the Chinese character pin-shaped seedling of looking into, and 5 points are looked in every field, 1 square metre of each point, the basic seedling of mean conversion mu of 5 points.
2 implementation results
2.1 seed different harvest times, are to the percentage of seedgermination and the influence of emerging next year
2.1.1 seed different harvest times, are to the influence of percentage of seedgermination
The different harvesting times of seed are very obvious to the influence of germination rate, and the seed harvesting time, more early kernel maturing was poor more, and germination rate is low more.Table 1 shows, handles A and both carries out the seed harvesting on April 30, and its percentage of seedgermination is minimum, be 18.67%, along with seed harvesting time retardation, ripe seed is more and more, germination rate also progressively improves, and after 10 days, seed begins maturation from treatments B both May, its percentage of seedgermination has reached 39.33%, May 20, germination rate brought up to 41.33%, and to last batch of seed harvesting on May 25, its germination rate is for the highest, reach 43.67%, but last three wholesale bud rate variances are apart from obviously dwindling.Therefore, consider that Chinese milk vetch is ploughed the time in field also to be advisable May 10 to May 20 from nutrient accumulation and the angle that guarantees percentage of seedgermination and do not influence the second stubble crop rice mechanical transplanting.
The different seed of table 1 harvest time, is to the influence of seed sprouting
2.1.2 different ploughing gone back the influence of field phase to emerging next year
Difference is ploughed and is gone back the field phase to emerging influence next year obviously, ploughs also Tian Yuechi, and it is many more to emerge next year.Table 2 shows that ploughing and going back the field is to handle D at the latest, and the basic seedling of mu reaches 55.24 ten thousand, close substantially with basic 57.39 ten thousand of the seedlings of the mu of conventional seed planting, descend gradually successively, the secondth, handle C, basic seedling is 51.65 ten thousand seedlings, 3.58 ten thousand seedlings descend, the 3rd is treatments B, and basic seedling is 41.89 ten thousand, and C has obvious reduction with processing, 9.76 ten thousand seedlings descend, be 72.99% of the basic seedling of conventional seed planting, minimum is to handle A, be less than treatments B half, the basic seedling of mu is 15.46 ten thousand, have only 27% of conventional seed planting, illustrate to plough and go back the field more early, next year, basic seedling did not ensure, plough and the field is slow excessively, cauline leaf is aging, is unfavorable for ploughing, and the following batch rice mechanical transplanting of influence, therefore, plough and the field is the best by the C time period to handling for treatments B.
Table 2 difference is ploughed back the influence of field phase to emerging next year
2.2 different ploughing gone back the field phase to the influence of the coming year from numerous Chinese milk vetch output and nitrogenous fertilizer accumulation
2.2.1 different ploughing gone back the field phase to the influence of the coming year from numerous output
Difference plough also the field phase to the coming year Chinese milk vetch output tangible influence is arranged, particularly before plough the also Chinese milk vetch in field by the end of April, its output is obviously low.Table 3 shows, ploughs and goes back the field more early, comes annual production low more, handling D is to plough the also Chinese milk vetch in field on May 25, its average yield in 2 years reaches 1844.5 kilograms for the highest, and product is approaching substantially with looking unfamiliar greatly, next is to handle C, average yield is 1795.5 kilograms, and the 3rd is treatments B, and average yield is 1680.5 kilograms, minimum is to handle A, and average yield only is 403.5 kilograms.08 year simultaneously Chinese milk vetch production ratio 09 year is high, main cause be 09 year because weather is unfavorable for that relatively Chinese milk vetch grows, particularly sentence has continuous more than 30 days rainwater in late October, 08 to 11 month, cause partly seedling death, next more than 40 day fine arid arranged again, influence growth of seedling, continuous more than 20 days of in late Febuary, 09 to mid-March is overcast and rainy, influences Chinese milk vetch output then.
Table 3 difference is ploughed back the field phase to the influence of the coming year from numerous output
2.2.2 different ploughing gone back the influence of field phase to farmland nitrogenous fertilizer accumulation
Difference is ploughed the also field phase, and its nitrogenous fertilizer accumulation presents shaped form.Table 4 shows, the nitrogenous fertilizer accumulation, also the field phase postpones along with ploughing, its nitrogenous fertilizer accumulation increases gradually, the field is that processing A is that the pure nitrogen of its mu nitrogenous fertilizer on the 30th accumulation in April is 1.54 kilograms from ploughing for the first time also, treatments B is that to reach pure nitrogen on May 10 be 6.13 kilograms, handle C and both reached the top on May 20, for pure nitrogen is 6.33 kilograms, handling D is to descend to some extent again May 25, and pure nitrogen is 6.04 kilograms, and processing E promptly contrasts a mu nitrogenous fertilizer accumulation and reaches 7.19 kilograms, from the nitrogenous fertilizer accumulation, it handles C and treatments B is best.
Table 4 different influence of ploughing the phase with 09 year in 08 year to the average accumulation of nitrogenous fertilizer
| Handle | 08 year and 09 annual output (kilogram/mu) | Plant nitrogen content (%) | Average pure N accumulation (kilogram/mu) |
| A | 403.5 | 3.809 | 1.54 |
| B | 1680.5 | 3.647 | 6.13 |
| C | 1795.5 | 3.526 | 6.33 |
| D | 1844.5 | 3.275 | 6.04 |
| E(CK) | 1886.5 | 3.812 | 7.19 |
2.3 sowing and plough also the field to the influence of farmland farmland quality from numerous Chinese milk vetch difference
2.3.1 sowing and plough also the field phase to the influence of soil physical and chemical property from numerous Chinese milk vetch difference
From numerous and plough also field, its difference was ploughed and the field phase is tangible to the influence of soil physical and chemical property through Chinese milk vetch in 2007 sowing and continuous 2008 and 2009.Table 5 explanation, it is promptly blank to handle F, do not plant Chinese milk vetch winter, be blank fallow land, physicochemical character indexs such as its bulk density of soil, total porosity, capillary porosity, noncapillary poropsity, saturated soil water content are than sowing and to plough the soil in field also from numerous Chinese milk vetch obviously low, sowing and to plough also the field phase from numerous Chinese milk vetch difference not obvious to the soil physical and chemical property influence, in general, along with ploughing also field time retardation, the soil physical and chemical property index is slightly promoted.
Table 5 sowing and plough also the field phase to the influence of soil physical and chemical property from numerous Chinese milk vetch difference
| Handle | The bulk density of soil (g/cm3) | Total porosity (%) | Capillary porosity (%) | Non capillary pores | Saturated soil water content |
| A | 1.36 | 50.67 | 46.75 | 3.92 | 41.32 |
| B | 1.27 | 52.95 | 49.04 | 3.91 | 43.98 |
| C | 1.24 | 53.03 | 49.12 | 3.91 | 44.06 |
| D | 1.23 | 53.87 | 49.96 | 3.91 | 44.02 |
| F | 1.41 | 47.86 | 43.94 | 3.92 | 35.89 |
2.3.2 sowing and plough also the field phase to the influence of P in soil H value and nutrient from numerous Chinese milk vetch difference
Through Chinese milk vetch in 2007 sowing and continuous 2008 and 2009 from numerous and plough also field, its difference plough and also the field phase to P in soil H value and nutrient downward trend, but gap is minimum, it is promptly blank to handle F, and its pH value is the highest, is 5.54, next is to handle A, and pH value is 5.52, descends 0.36 than blank, the 3rd is treatments B, and pH value is 5.49, descends 0.90% than blank, the 4th is to handle C, and pH value is 5.47, descends 1.26% than blank, minimum is to handle D, and pH value is 5.46, descends 1.44% than blank.The soil of plow layer, its full nitrogen, available phosphorus, quick-acting potassium content along with Chinese milk vetch also the field amount increase and improve, total nitrogen content, treatments B, handling C and to handle D identical, all is 0.17%, and it is more lower slightly to handle A, be 0.16%, minimum is to handle the i.e. blank of F, is 0.15%, differs minimum but respectively handle gap; Available phosphorus content, the highest is to handle D, is 10.18mg/Kg, F is promptly blank to improve 6.93% than handling, next is to handle C, is 10.13mg/Kg, and F is promptly blank to improve 6.41% than handling, the 3rd is treatments B, be 10.06mg/Kg, F is promptly blank to improve 5.67% than handling, and minimum is to handle A, be 9.87mg/Kg, F is promptly blank to improve 3.68% than handling; Quick-acting potassium content, the highest is to handle D, is 92.63mg/Kg, F is promptly blank to improve 13.53% than handling, next is to handle C, is 91.54mg/Kg, and F is promptly blank to improve 12.20% than handling, the 3rd is treatments B, be 89.87mg/Kg, F is promptly blank to improve 10.15% than handling, and minimum is to handle A, be 84.36mg/Kg, F is promptly blank to improve 3.40% than handling.
Table 6 sowing and plough also the field phase to the influence of P in soil H value and nutrient from numerous Chinese milk vetch difference
| Handle | PH value | Full nitrogen (%) | Available phosphorus (mg/Kg) | Available potassium (mg/Kg) |
| A | 5.52 | 0.16 | 9.87 | 84.36 |
| B | 5.49 | 0.17 | 10.06 | 89.87 |
| C | 5.47 | 0.17 | 10.13 | 91.54 |
| D | 5.46 | 0.17 | 10.18 | 92.63 |
| F (blank) | 5.54 | 0.15 | 9.52 | 81.59 |
2.3.3 sowing and plough also the field phase to the influence of the soil organic matter from numerous Chinese milk vetch difference
From numerous and plough also field, its difference was ploughed and the field phase is tangible to the influence of soil organic matter content through Chinese milk vetch in 2007 sowing and continuous 2008 and 2009.Table 7 explanation, content of organic matter increase rate maximum be to handle D, the content of organic matter increases 0.07mg/Kg, improve 3.24%, secondly for handling C, the content of organic matter increases 0.06mg/Kg, improve 2.65%, the 3rd is treatments B, and the content of organic matter increases 0.05mg/Kg, improves 2.39%, minimum is to handle A, and the content of organic matter increases 0.03mg/Kg, and increase rate is 1.38%, and it is promptly blank to handle F, since do not plant Chinese milk vetch and other winter crops in continuous 3 years, its content of organic matter decline 0.02mg/Kg, and the range of decrease is 0.87%.
Table 7 Chinese milk vetch is returned the influence of field to the farmland content of organic matter
2.4 sowing and plough also the field phase to the influence of rice yield from numerous Chinese milk vetch difference
Sowing and to plough also the field phase from numerous Chinese milk vetch difference very obvious to the influence of rice yield, table 8 shows, the curved type of increasing production of rice effect, effect of increasing production is the highest to be to handle C, amount of increase in production reaches 8.28%, next is a treatments B, amount of increase in production is 7.19%, the three to be to handle D, and amount of increase in production is 6.07%, minimum is to handle A, and amount of increase in production is 2.91%.
Table 8 sowing and plough also the field phase to the influence of rice yield from numerous Chinese milk vetch difference
2.5 sowing and plough also the field phase to the paddy rice performance analysis from numerous Chinese milk vetch difference
2.5.1 sowing reaches from numerous Chinese milk vetch abridged edition and analyzes
Table 9 explanation adopts machine transplanting of rice seedling single cropping rice field Chinese milk vetch once to sow for many years from numerous technology of utilizing, and its year, cost per mu was 11.67 yuan, than year 35 yuan of the costs per mu of conventional seed planting, reduce 23.33 yuan of cost expenditures, descend 66.7%, as increasing from numerous time, its cost further reduces again.
Table 9 sowing reaches from numerous Chinese milk vetch abridged edition to be analyzed
2.5.2 sowing and plough also the field phase to the paddy rice performance analysis from numerous Chinese milk vetch difference
Adopting machine transplanting of rice seedling single cropping rice field Chinese milk vetch once to sow for many years from numerous technology of utilizing, is to obtain paddy rice stable and high yields, the efficient and important channel of increasing soil fertility and combining.Table 10 shows that net income is the highest to be to handle C, is 487.83 yuan, increase by 31.23 yuan than handling E (contrast), increasing by 52.43 yuan than handling F (blank), secondly is treatments B, is 476.83 yuan, increase by 20.23 yuan than handling E (contrast), increase by 41.43 yuan than handling F (blank), the 3rd is to handle D, and the poorest is to handle A, reduce 23.27 yuan than handling E (contrast), reduce 2.07 yuan than handling F (blank).
Table 10 sowing and plough also the field phase to the paddy rice performance analysis from numerous Chinese milk vetch difference
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Fig. 1 is technology path figure.
Claims (4)
1. a machine transplanting of rice seedling single cropping rice field Chinese milk vetch is once sowed for many years from the method for numerous utilization, it is characterized in that:
(1) ripe Chinese milk vetch kind in selecting for use early, the ripe seed full maturity before May 20 that is meant the ground floor pod in morning;
(2) optimum period, cover was broadcast: Chinese milk vetch need be sowed at the rice field by 7～10 days covers before paddy rice harvesting;
(3) seeding quantity: about 2.5 kilograms of every mu of Chinese milk vetch seeding quantitys;
(4) optimum period ploughs: May 10 is to May 20, the seed full maturity of Chinese milk vetch ground floor pod;
(5) tillage method: water is 3～5 days in the elder generation, again with in drag and plough or rotary tillage and rotting more than 20 days, plough before the rice mechanical transplanting seedling is planted or harrow a field;
(6) field management: in time open three ditches behind the paddy rice harvesting, in case ponding stain evil, trench digging can adopt machinery or artificial trench digging.
2. once sow for many years method according to the described a kind of machine transplanting of rice seedling single cropping of claim 1 rice field Chinese milk vetch from numerous utilization, it is characterized in that: above-mentioned rice field, be meant the rice field of TAI HU AREA single cropping rice and Chinese milk vetch rotation system, and the paddy rice Planting Patterns adopts machine transplanting of rice seedling form to plant.
3. once sow for many years method according to claim 1 or 2 described a kind of machine transplanting of rice seedling single cropping rice field Chinese milk vetchs from numerous utilization, it is characterized in that: Chinese milk vetch was overlapped broadcasting method in 1 year routinely and is sowed, beginning in the 1 year Chinese milk vetch of growth is for years no longer sowed, but rely on self seed dormancy to get over the summer, germinating growth replanted other crop and interrupted Chinese milk vetch from numerous growth until winter crops autumn.
4. once sow for many years method according to claim 1 or 2 described a kind of machine transplanting of rice seedling single cropping rice field Chinese milk vetchs from numerous utilization, it is characterized in that: in time open three ditches behind the paddy rice harvesting, after being meant paddy rice harvesting, select fine, with machinery or artificial mode, open field septal fossula, field ditch and field outer fissure, guarantee that the ditch ditch communicates, be convenient to the row of filling.
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| CN103493706B (en) * | 2013-09-23 | 2015-07-29 | 中国农业科学院农业资源与农业区划研究所 | A kind of organic rice production method |
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| CN103493706A (en) * | 2013-09-23 | 2014-01-08 | 中国农业科学院农业资源与农业区划研究所 | Organic rice production method |
| CN103461047B (en) * | 2013-09-23 | 2015-01-07 | 湖南省土壤肥料研究所 | Method for applying astragalus sinicus to no-tillage direct seeding of single-season rice |
| CN103828587A (en) * | 2014-03-20 | 2014-06-04 | 湖南省土壤肥料研究所 | Rice field milk vetch sowing-free circulation seed reserving method |
| CN103828587B (en) * | 2014-03-20 | 2015-11-18 | 湖南省土壤肥料研究所 | A kind of rice field Chinese milk vetch is exempted to broadcast circulation and to be reserved seed for planting method |
| CN104381068A (en) * | 2014-12-05 | 2015-03-04 | 江西省润邦农业开发集团有限公司 | Crop rotation method for southern rice areas |
| CN108575618A (en) * | 2018-04-11 | 2018-09-28 | 湖南省土壤肥料研究所 | A kind of winter-fallowed paddy field Chinese milk vetch dish fertilizer double-purpose efficient cultural method |
| CN109169122A (en) * | 2018-11-23 | 2019-01-11 | 湖南山水道生态文化发展有限公司 | The implantation methods of Chinese milk vetch |
| CN109984002A (en) * | 2019-04-04 | 2019-07-09 | 河南省农业科学院植物营养与资源环境研究所 | One kind being based on Chinese milk vetch --- the Chinese milk vetch type of seeding of rice crop rotation |
| CN110150546A (en) * | 2019-05-14 | 2019-08-23 | 江苏艾津农业科技服务有限公司 | A kind of production method of high-quality food flavor rice |
| CN110934049A (en) * | 2019-11-29 | 2020-03-31 | 汉中市农业科学研究所（陕西省水稻研究所） | Rice field fertilizer decrement and efficiency improvement method |
| CN110934049B (en) * | 2019-11-29 | 2022-08-09 | 汉中市农业科学研究所（陕西省水稻研究所） | Rice field fertilizer decrement and efficiency improvement method |
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Application publication date: 20110810 |