CN101743841A - Method for regulating and controlling water and fertilizer by plowing wheat straw to field in spring rice season - Google Patents
Method for regulating and controlling water and fertilizer by plowing wheat straw to field in spring rice season Download PDFInfo
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- CN101743841A CN101743841A CN200910312054A CN200910312054A CN101743841A CN 101743841 A CN101743841 A CN 101743841A CN 200910312054 A CN200910312054 A CN 200910312054A CN 200910312054 A CN200910312054 A CN 200910312054A CN 101743841 A CN101743841 A CN 101743841A
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Abstract
The invention discloses a method for regulating and controlling water and a fertilizer in plowing wheat straw to a field in a spring rice season, belongs to the field of regulating and controlling the water and the fertilizer of crop, and in particular relates to the technology of regulating and controlling the water and the fertilizer which aims at rice-wheat crop rotation and is in a mode of plowing the wheat straw to the field in the spring rice season on Chengdu plain. The method comprises the following steps: on the Chengdu plain, plowing total amount of the wheat straw which is cut in the last season to the field; and regulating water and controlling soil fertility quantificationally in the whole growth period of rice. The method combines the technology of plowing the total amount of the wheat straw to the field and the technology of regulating and controlling the water and the fertilizer of soil, avoids negative effect of the soil caused by returning the wheat straw to the field simply in the decay process of the wheat straw, integrates the technology of returning the wheat straw to the field and the technology of cultivation, optimizes a technical system of rapid conversion and utilization of the wheat straw and dependable crop and high yield of the crop, and a reasonable scheme for regulating and controlling the water and the fertilizer is designed; and the tillage measure can not only improves the yield of the crop, save labor force and improve economic benefit, but also hold the water and preserve the fertilizer, improve a soil structure, protect the environment, and promote the sustainable development of agriculture in the region.
Description
Technical field
The present invention relates to a kind of method for returning straws of crops to field, particularly turn over and the moisture under the mode of field and the quantitatively regulating and controlling method of fertility at straw at Chengdu Plain spring rice season.
Background technology
Stalk accounts for about 50% of crop biological yield, is the extremely abundant renewable organic resource that can directly utilize of a class.The quilt of a large amount of residue stalks burns and not only causes air pollution, living environment is caused have a strong impact on, and also causes soil fertility to descend year by year, and the Agro-ecology balance is destroyed.Straw-returning can effectively increase soil organic matter content, replenish its various nutritive elements, make its nutrient structure be tending towards reasonable, and then improve soil physical and chemical property, culture fertility, especially to alleviating China's nitrogen, phosphorus, potash fertilizer contradiction out of proportion, remedy phosphorus, the potassium fertilizer deficiency has crucial meaning.Simultaneously, straw-returning can also effectively increase crop yield, optimizes farmland ecological environment, keeps the agroecological environment balance, and the sustainable agriculture and the ecological agriculture are had a very important role.Chengdu Plain belongs to the moistening monsoon climate in subtropics.Average temperature of the whole year 15-17.1 ℃, frost-free season reaches 260-302 days.Precipitation is between the 900-1300 millimeter throughout the year, and 80% concentrates on the 5-9 month.Simultaneously, influenced by the geographical position, the subterranean water level height, soil is cold wet.And according to pertinent literature, Chengdu Plain district soil quick-effective phosphor, quick-acting potassium content is generally on the low side.
Present existing rice and wheat straw also field utilizes way normally: place into the soil (1) directly single ploughing.The drawback of this method is that duty is ploughed and caused water and soil loss easily, and stalk is directly placed into the soil, and easily produces pernicious gas when becoming thoroughly decomposed seedling is caused murder by poisoning.(2) rice and wheat straw is concentrated composting or the system of macerating become thoroughly decomposed, be distributed in the soil then.The drawback of this method is a trouble, and economic benefit is low, and the peasant is not easy to accept.(3) livestock crosses also field of abdomen, promptly by the stalk of feeding to livestock, becomes also field of fertilizer.The drawback of this method is to be difficult to large tracts of land implement.Present straw-returning technology is conceived to macroscopical qualitative aspects such as straw-returning farm machinery and field piece research and development mostly, and do not have a cover concrete operator scheme in detail for straw-returning water-fertilizer conditioning qualitative, quantitative aspect, particularly reaching with it at the specific natural conditions of Chengdu Plain does not similarly also have one to overlap the water-fertilizer conditioning pattern that suits in the area, being not easy to peasant household and promoting the use of, also is that the major reason that causes straw-returning to be difficult to the large tracts of land popularization one of is.
Summary of the invention
The technical problem to be solved in the present invention is to overcome existing spring rice season straw deficiency of several ways in field also, the straw returning and fertilizing and the practical problems such as lacking standard of pouring water, the spring rice season straw-returning water-fertilizer conditioning pattern of the idiographic flowization of a kind of highly effective and safe, strong operability is provided, focus on technology at Chengdu Plain area spring rice season straw-returning water-fertilizer conditioning aspect qualitative, quantitative, more help in actual agricultural utilization, playing a role, solve the problem of straw-returning aspect the water-fertilizer conditioning concrete operations.The combination of turning over of this method and soil, the comprehensive purpose of reach the protection environment, improving the soil, improve the agricultural product quality and quantity, develop eco-agriculture, and also economic and practical, easy and simple to handle, be easy to promote.
In order to realize the foregoing invention purpose, the technical solution used in the present invention is as follows:
A kind of spring the rice season straw also water-fertilizer conditioning method in field of turning over, the spring rice season in rice-Mai crop rotation district adopts straw to turn over also after the mode of field, and paddy growth is carried out quantitative moisture regulation and control and quantitatively soil fertility regulation and control.
As preferably: the stalk that will go up harvest wheat harvesting carries out the full dose also field of turning over, and the whole growing of paddy rice is carried out quantitative moisture regulation and soil fertility regulation and control.
It is preferred to do: a kind of spring according to claim 2 the rice season straw also water-fertilizer conditioning method in field of turning over, it is characterized in that: in the time of infertility of paddy growth, according to the quality of soil, the light more output of quality is many more, and output is 7500～10000m
3/ hm
2, and to adjust irrigation volume according to the current year precipitation amount be 2500～4000m
3/ hm
2
As further preferred: the irrigation volume in the tillering stage of turning green is 570～900m
3/ hm
2The jointing-booting stage irrigation volume is 950～1600m
3/ hm
2The full heading time irrigation volume is 970～1500m
3/ hm
2
As further preferred: adopting fertilizing amount at rice at whole growth periods is N 142～158kg/hm
2, P
2O
576～84kg/hm
2, K
2O 85～95kg/hm
2
As preferably: apply base fertilizer before turning over, its base fertilizer sowing amount is N 99～110kg/hm
2, P
2O
553～58kg/hm
2, K
2O 60～66kg/hm
2
As further preferred: transplant or rice transplanting after enrich fertilizer during two weeks, consumption is N 28～32kg/hm
2, P
2O
515～17kg/hm
2, K
2O 17～19kg/hm
2
As further preferred: in the heading flowering phase, transplant back fertilising in the time of 40～50 days, consumption is N 14～16kg/hm
2, P
2O
57～9kg/hm
2, K
2O 8～10kg/hm
2
Particularly, the rice season straw turns over also that the field pattern comprises seeding and seedling raising, Honda arrangement, also field, shoot transplanting equipment, field management of straw spring:
Seeding and seedling raising: select the rich anti-excellent type breeding of holding concurrently for use, earlier seed is tedded before the sowing, again with disinfectant seed soaking sterilization, vernalization sowing.
Honda arrangement: pour water and soak the field piece.Available rooter is turned over after discharging water the about 2-4 in soaked field days.Before turning over base fertilizer is applied in the piece of field, rooter turns over whole field piece repeatedly in the process of turning over, till all pine is steeped to topsoil.
Straw is the field also: the field piece turn over rake after, the wheat stalk of packing up all is broken into 3-6 centimetre pipe nipple, evenly shed in the piece of field then, with rotovator wheat stalk is ploughed under in the soil again.The stalk consumption is 5000～7000kg/hm
2
Shoot transplanting equipment: the uniform rice shoot of growing way is selected in rice transplanting, and according to spacing in the rows 15～20cm, line-spacing 35cm designs.About two weeks applies fertilizer after the rice transplanting.
Field management; Field management mainly is divided into liquid manure and regulates and the extermination of disease and insect pest two aspects.Along with the development of paddy rice growing stage, its water-fertilizer conditioning technology has bigger difference.
Comprise that for wherein main key technology moisture regulates and the soil fertility control technique:
1. the rice season wheat straw also field moisture regulation technology down of turning over: in the time of infertility of paddy growth, because of the quality of soil by gently from more to less to the weight output, output is controlled at 7500～10000m
3/ hm
2, and to adjust irrigation volume according to the current year precipitation amount be 2500～4000m
3/ hm
2, just according to precipitation, the amount of adjusting man-made irrigation is 2500～4000m
3/ hm
2, make total supply remain on 7500～10000m
3/ hm
2
Turn green tillering stage: the duty in period of seedling establishment and tillering stage is controlled at 570～900m
3/ hm
2About.Transplant the back and do not pour water in 2-3 days, in time irritate shallow water after waiting to take root upright seedling.After turning green, adopts rice shoot the diligent moistening irrigation method of irritating of shallow water immediately.Make the back water water that do not see before, so that soil gas exchange and discharge pernicious gas; Water layer can not surpass the auricle of full leafing topmost.Period of seedling establishment runs into rainy weather and answers shallow water or moistening irrigation.Plant back 15-20 days or nest seedling number when reaching the 9-10 sheet paddy rice reach tillering stage, answer the draining dry field, shine and carried out intermittent irrigation after the rehydration in 7-10 days.Should not be too dried in the dry field process, softening with the decomposition that guarantees stalk.
Jointing-booting stage: this, leaf area was big in period, and photosynthesis is strong, and metabolism is vigorous, transpiration rate is also big, is that paddy rice needs water maximum period in life, is the critical period that paddy rice storage capacity is set up, influence to output is most important, is the problem that must be noted that in the paddy rice moisture regulation.Therefore, the duty in this period should be controlled at 950～1600m
3/ hm
2, must keep water layer.
Full heading time: keep the field piece that water layer is arranged, the irrigation Total Water in this period is controlled at 970～1500m
3/ hm
2
Grouting fruiting period: cut off the water supply this period too early, can influence rice plant, make half increase of empty grain to nutrient absorbing and transportation.Phase should pour water in the gap at this moment, keeps that the field is moistening to get final product, but should not cut off the water supply.The yellow maturity initial stage can cut off the water supply.
The irrigation volume in above-mentioned each period is suitably adjusted to adapt to suitable output according to precipitation.
2. rice season straw-returning soil fertility control technique: the fertilizing amount at rice at whole growth periods is N 142～158kg/hm
2, P
2O
576～84kg/hm
2, K
2O 85～95kg/hm
2Before the field piece is turned over, base fertilizer evenly is sprinkling upon in the piece of field, the base fertilizer consumption is at N 99～110kg/hm
2, P
2O
553～58kg/hm
2, K
2O 60～66kg/hm
2Tillering stage of turning green is the important period that increases the strain number, and spilling of therefore also will topdressing executed, transplant or rice transplanting after use during two weeks.Consumption is N 28～32kg/hm
2, P
2O
515～17kg/hm
2, K
2O 17～19kg/hm
2In the heading flowering phase, after transplanting, to use 40～50 days the time, consumption is N 14～16kg/hm
2, P
2O
57～9kg/hm
2, K
2O 8～10kg/hm
2
Compared with prior art, the invention has the beneficial effects as follows: effectively increased paddy field tiller, jointing, heading, ripe four period soil with organic matter and the content of nutritive elements such as N, P, K, and promote it in rice plant and seed, to shift.At field initial stage also, effective nitrogen in the contention soil may take place with crop in stalk in the process of decomposing, adopt water-fertilizer conditioning mode of the present invention, is also enriching inorganic nitrogeneous fertilizer in the field.Rice plant of tillering stage alkali-hydrolyzable nitrogen content lower, along with the continuous decomposition of stalk, alkali-hydrolyzable nitrogen content constantly increases.At rice maturity, stalk is decomposition substantially, and organic constantly mineralising and reducing, and discharge nutrient in soil comprises elements such as nitrogen, phosphorus, and is therefore still higher at the content of the nitrogen phosphorus in later stage.Full phosphorus shows the trend of maturing stage greater than tillering stage.In the soil validity of phosphorus low mainly be because soil has strong fixation to phosphorus, and organic mass-energy reduces phosphorus fixation and increase the validity of phosphorus in the soil and improve the availability of phosphorus.When therefore increasing organic matter behind the straw-returning, also increased the content of available phosphorus.Because potassium content is higher in the crops straw, secondly stalk nutrient also field amount is nitrogen also based on the potassium element, and phosphorus is minimum.In each is handled, adopt in the water-fertilizer conditioning mode soil of the present invention quick-acting potassium content all higher, reached high grade.Compare with the rice cropping pattern of routine, per hectare can reduce fertilizing amount and irrigation quantity, and improves rice yield.Therefore, the present invention combines the wheat straw total crop return with the water-fertilizer conditioning technology of soil, the negative effect of having avoided simple also field may cause soil in the stalk decay process, integrated wheat straw returning corresponding cultivation techniques, optimize quick trans-utilization of stalk and crop high and stable yields technical system, designed rational water-fertilizer conditioning scheme.This tillage control measure not only can improve crop yield, labor savings, increase economic efficiency, but also preserve moisture and fertility, the structure of improving the soil, protection environment promote the sustainable development of this area's agricultural.
Embodiment
The present invention is described in further detail below in conjunction with embodiment.But this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to following embodiment.
Embodiment 1
Yang An town in Qionglai City is tested as the cultivation place, turn at straw and go back under the pattern of field, adopt following water-fertilizer conditioning technology: straw also field amount is 7000kg/hm
2, in the time of infertility of wheat growth, output is controlled at 1000m
3/ hm
2, wherein irrigation volume is 2500m
3/ hm
2, irrigate 850m respectively in the tillering stage of turning green
3/ hm
2, jointing-booting stage is irrigated 1360m
3/ hm
2, full heading time is irrigated 1260m
3/ hm
2The time of infertility, fertilizing amount was N 158kg/hm
2, P
2O
576kg/hm
2, K
2O 88kg/hm
2, two weeks enriches fertility after transplanting, and consumption is N 30kg/hm
2, P
2O
516kg/hm
2, K
2O 18kg/hm
2, in the heading flowering phase, fertilising when transplanting back 40 days, consumption is N 15kg/hm
2, P
2O
58kg/hm
2, K
2O 9kg/hm
2, selecting rice varieties for use is river perfume (or spice) 9838, last paddy rice average yield is 10080kg/hm
2
Embodiment 2
As the experiment place, the rice season rainfall is 740mm altogether with Han Chang town, Dayi County, Chengdu, typical Chengdu Plain district.2 processing are set, 3 repetitions, 6 sub-districts, the sub-district area is 80m
2
Handle 1: straw is turned over and is gone back the water-fertilizer conditioning technology in field among employing the present invention, and straw also field amount is 6000kg/hm
2, in the time of infertility of paddy growth, output is controlled at 7500m
3/ hm
2, wherein irrigation volume is 3800m
3/ hm
2, irrigate 880m respectively in the tillering stage of turning green
3/ hm
2, jointing-booting stage is irrigated 1460m
3/ hm
2, full heading time is irrigated 1470m
3/ hm
2The time of infertility, fertilizing amount was N 150kg/hm
2, P
2O
580kg/hm
2, K
2O 90kg/hm
2, two weeks enriches fertility after rice transplanting, and consumption is N31kg/hm
2, P
2O
515kg/hm
2, K
2O 18kg/hm
2, in the heading flowering phase, fertilising when transplanting back 46 days, consumption is N16kg/hm
2, P
2O
57kg/hm
2, K
2O 8kg/hm
2, selecting rice varieties for use is river perfume (or spice) 9838.
Handle 2 and do not adopt also field of straw, and adopt the conventional fertilizer application amount: the time of infertility, fertilizing amount was N 150kg/hm
2, P
2O
590kg/hm
2, K
2O 90kg/hm
2, and irrigate by peasant habit: the time of infertility, irrigation quantity was about 4500m
3/ hm
2Select for use rice varieties also to be river perfume (or spice) 9838.
The paddy rice average yield of processing 1 is 10100kg/hm
2, the paddy rice average yield of processing 2 is 8500kg/hm
2, promptly among the present invention wheat season rice straw mulching and returning the field piece of water-fertilizer conditioning technical finesse than the field piece volume increase 18% of traditional conventional farming, and save fertilizer 3%, using water wisely 15%.Gather soil sample at rice maturity and analyze, the various nutrients of soil that record processing 1 are all than the soil content height of handling 2, referring to table 1.
The contrast of nutritive element contents such as the table 1 rice maturity soil organic matter and nitrogen, phosphorus, potassium
| Handle | Organic (g/kg) | Full nitrogen (g/kg) | Full phosphorus (g/kg) | Full potassium (g/kg) | Alkali-hydrolyzable nitrogen (mg/kg) | Available phosphorus (mg/kg) | Available potassium (mg/kg) |
| Handle 1 | ??52.06 | ??1.95 | ??1.03 | ??16.83 | ??124.67 | ??11.97 | ??216.52 |
| Handle 2 | ??45.45 | ??1.80 | ??0.84 | ??13.55 | ??84.00 | ??8.70 | ??157.00 |
By the foregoing description as seen; the present invention is by the also water-fertilizer conditioning in field that Chengdu Plain spring rice season straw is turned over; can improve rice yield significantly; save fertilizer; using water wisely; increase economic efficiency, but also preserve moisture and fertility, the structure of improving the soil, protection environment promote the sustainable development of agricultural.
Claims (8)
- One kind spring the rice season straw also water-fertilizer conditioning method in field of turning over, it is characterized in that: at the spring of rice Mai Lunzuoqu rice season, adopt straw to turn over also after the mode of field, paddy growth is carried out quantitative moisture regulation and control and quantitatively soil fertility regulation and control.
- 2. a kind of spring according to claim 1 the rice season straw also water-fertilizer conditioning method in field of turning over, it is characterized in that: the wheat stalk that will go up season harvesting carries out the full dose also field of turning over, and the whole growing of paddy rice is carried out quantitative moisture regulation and soil fertility regulation and control.
- 3. a kind of spring according to claim 2 the rice season straw also water-fertilizer conditioning method in field of turning over, it is characterized in that: in the time of infertility of paddy growth, quality according to soil, the light more output of quality is many more, output is 7500～10000m3/hm2, and to adjust irrigation volume according to the current year precipitation amount be 2500～4000m3/hm2.
- 4. a kind of spring according to claim 3 the rice season straw also water-fertilizer conditioning method in field of turning over, it is characterized in that: the irrigation volume in the tillering stage of turning green is 570～900m3/hm2; The jointing-booting stage irrigation volume is 950～1600m3/hm2; The full heading time irrigation volume is 970～1500m3/hm2.
- According to claim 1 to 4 any one described a kind of spring the rice season straw also water-fertilizer conditioning method in field of turning over, it is characterized in that: adopting fertilizing amount at rice at whole growth periods is nitrogen 142～158kg/hm2, phosphorus pentoxide 76～84kg/hm2, potassium oxide 885～95kg/hm2.
- 6. a kind of spring according to claim 5 the rice season straw also water-fertilizer conditioning method in field of turning over, it is characterized in that: apply base fertilizer before turning over, its base fertilizer sowing amount is nitrogen 99～110kg/hm2, phosphorus pentoxide 53～58kg/hm2, potassium oxide 860～66kg/hm2.
- 7. a kind of spring according to claim 5 the rice season straw also water-fertilizer conditioning method in field of turning over, it is characterized in that: transplant or rice transplanting after enrich fertilizer during two weeks, consumption is nitrogen 28～32kg/hm2, phosphorus pentoxide 15～17kg/hm2, potassium oxide 817～19kg/hm2.
- 8. a kind of spring according to claim 5 the rice season straw also water-fertilizer conditioning method in field of turning over, it is characterized in that: in the heading flowering phase, transplant back fertilising in the time of 40～50 days, consumption is nitrogen 14～16kg/hm2, phosphorus pentoxide 7～9kg/hm2, potassium oxide 8～10kg/hm2.
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|---|---|---|---|
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|---|---|---|---|
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| CN101743841A true CN101743841A (en) | 2010-06-23 |
| CN101743841B CN101743841B (en) | 2012-10-10 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102020512A (en) * | 2010-11-11 | 2011-04-20 | 中国科学院遗传与发育生物学研究所 | Rapid decomposition method for returning summer maize straws |
| CN102037880A (en) * | 2010-10-29 | 2011-05-04 | 涟水县作物栽培技术指导站 | Complete wheat straw returning mechanical rice seedling planting method |
| CN103081603A (en) * | 2013-01-18 | 2013-05-08 | 和县蔬菜技术指导服务站 | High-temperature land boiling soil recuperating method resisting continuous cropping |
| CN103098680A (en) * | 2013-02-26 | 2013-05-15 | 云南省农业科学院农业环境资源研究所 | Cost-saving efficiency-increased rice farming cultivation method |
| CN105359810A (en) * | 2015-12-02 | 2016-03-02 | 中国农业科学院作物科学研究所 | Rotation tillage planting method for totally returning double cropping straws of wheat and rice |
| CN105850470A (en) * | 2016-04-28 | 2016-08-17 | 中国水稻研究所 | Double-cropping planting method for wheat-rice in saline-alkali soil in areas with insufficient accumulated temperature |
| CN107197684A (en) * | 2017-07-18 | 2017-09-26 | 池州市小池生态农业发展有限公司 | A kind of inexpensive method for growing vegetables |
| CN108522183A (en) * | 2018-06-29 | 2018-09-14 | 宿迁中江种业有限公司 | A kind of rice cultivating method under the conditions of wheat stalk returning |
| CN109699224A (en) * | 2018-12-13 | 2019-05-03 | 黑龙江省农业科学院耕作栽培研究所 | A kind of method of carbon fixation and emission reduction fertilizing rice field soil fertility |
| CN110226475A (en) * | 2019-07-03 | 2019-09-13 | 安徽禾泉种业有限公司 | A kind of paddy rice planting method of water-saving fertilizer-saving |
| CN113711876A (en) * | 2021-09-30 | 2021-11-30 | 浙江省农业科学院 | Method for constructing rice planting on coastal saline-alkali land through preferential flow, desalination and fertilization topsoil |
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| JP2007014243A (en) * | 2005-07-06 | 2007-01-25 | Katsuo Uchida | Soil improving method of agricultural land |
| CN101347077A (en) * | 2008-08-26 | 2009-01-21 | 刘建 | Organic fertilizer cultivation method with complete wheat straw returning |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2007014243A (en) * | 2005-07-06 | 2007-01-25 | Katsuo Uchida | Soil improving method of agricultural land |
| CN101347077A (en) * | 2008-08-26 | 2009-01-21 | 刘建 | Organic fertilizer cultivation method with complete wheat straw returning |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102037880A (en) * | 2010-10-29 | 2011-05-04 | 涟水县作物栽培技术指导站 | Complete wheat straw returning mechanical rice seedling planting method |
| CN102020512A (en) * | 2010-11-11 | 2011-04-20 | 中国科学院遗传与发育生物学研究所 | Rapid decomposition method for returning summer maize straws |
| CN102020512B (en) * | 2010-11-11 | 2013-04-17 | 中国科学院遗传与发育生物学研究所 | Rapid decomposition method for returning summer maize straws |
| CN103081603A (en) * | 2013-01-18 | 2013-05-08 | 和县蔬菜技术指导服务站 | High-temperature land boiling soil recuperating method resisting continuous cropping |
| CN103098680A (en) * | 2013-02-26 | 2013-05-15 | 云南省农业科学院农业环境资源研究所 | Cost-saving efficiency-increased rice farming cultivation method |
| CN105359810A (en) * | 2015-12-02 | 2016-03-02 | 中国农业科学院作物科学研究所 | Rotation tillage planting method for totally returning double cropping straws of wheat and rice |
| CN105850470A (en) * | 2016-04-28 | 2016-08-17 | 中国水稻研究所 | Double-cropping planting method for wheat-rice in saline-alkali soil in areas with insufficient accumulated temperature |
| CN107197684A (en) * | 2017-07-18 | 2017-09-26 | 池州市小池生态农业发展有限公司 | A kind of inexpensive method for growing vegetables |
| CN108522183A (en) * | 2018-06-29 | 2018-09-14 | 宿迁中江种业有限公司 | A kind of rice cultivating method under the conditions of wheat stalk returning |
| CN109699224A (en) * | 2018-12-13 | 2019-05-03 | 黑龙江省农业科学院耕作栽培研究所 | A kind of method of carbon fixation and emission reduction fertilizing rice field soil fertility |
| CN110226475A (en) * | 2019-07-03 | 2019-09-13 | 安徽禾泉种业有限公司 | A kind of paddy rice planting method of water-saving fertilizer-saving |
| CN113711876A (en) * | 2021-09-30 | 2021-11-30 | 浙江省农业科学院 | Method for constructing rice planting on coastal saline-alkali land through preferential flow, desalination and fertilization topsoil |
| CN113711876B (en) * | 2021-09-30 | 2022-12-06 | 浙江省农业科学院 | Method for constructing rice planting on coastal saline-alkali land through preferential flow, desalination and fertilization topsoil |
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| CN101743841B (en) | 2012-10-10 |
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