CN101843203B - Oxygenating cultivation method for irrigating rice with micro-nano bubble water - Google Patents
Oxygenating cultivation method for irrigating rice with micro-nano bubble water Download PDFInfo
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Abstract
The invention relates to an oxygenating cultivation method for irrigating rice irrigation with micro-nano bubble water, belonging to a rice cultivation method. The method comprises the following steps: 1) conditioning a rice seedling bed, thinly sowing seeds, and cultivating strong seedlings tillering; 2) carrying out soil preparation process and deeply applying basal fertilizers before transplanting, and then transplanting young seedlings; 3) using micro-nano bubble oxygenated water to irrigate rice after transplanting, wherein the rice should not be irritated with the water again until the water is naturally consumed to enable transform the field surface to a wetting state, so that repeated alternation between shallow water and wetting can be formed; applying tillering fertilizers within 7-10 days after transplanting the young seedlings; and drying the field in time after the seedlings grow to enough height; and 4) preventing pests and plant diseases in due time, and harvesting the rice when 95% of grains in the entire field are in the yellow ripe state. By using the invention, the root zone oxygen environment of rice is improved, the root system growth development and the function establishment of rice are promoted, raises the absorption efficiency and utilization efficiency of nitrogenous fertilizer for rice are raised, the contents of available nutrients in soil are increased, obviously the low-position tiller proportion of rice at tillering stage is increased so as to improve percentage of earbearing tiller, and can postpone the leaf senescence can be postponed in grain filling stage, thereby obviously raising setting percentage and improving the rice yield.
Description
Technical field
The present invention relates to a kind of rice cultivating method, be specifically related to utilize the micro-nano bubble generating means to carry out paddy rice micro-nano bubble water oxygenation high-yield cultivating method.
Background technology
In at home and abroad the facilities horticulture and dripping irrigation in dry land, extensively adopt measure such as air pump oxygenation to increase oxygen in water content, improve the crop rhizosphere oxygen content, promote root growth, and then increase output, and improve moisture and fertilizer utilization efficiency.The relevant research of the cultivation of relevant paddy rice oxygenation both at home and abroad at present mainly is through dry field; Irrigation method, planting type or use method such as calper calcium peroxide and carry out oxygenation and handle; Because technological operation easier, weather and other reasons make the oxygenation effect of these rice works technology when large-area applications, be difficult to be not fully exerted, thereby are difficult on the basis of satisfying paddy rice physiological ecological need water; Better improve the soil aeration situation, from solving this contradiction of paddy field water either and gas in essence.
Summary of the invention
To the problem that prior art exists, the objective of the invention is to design provides a kind of paddy rice micro-nano bubble water oxygenation high-yield cultivating method, and this method can significantly increase rice yield, improves the paddy rice fertilizer utilization efficiency and increases readily available nutrient of soil content.
The oxygenating cultivation method of described irrigating rice with micro-nano bubble water is characterized in that may further comprise the steps:
1) finishing rice seedling bed, the light seeding seed is cultivated the strong seedling of band tiller;
2) transplant the preceding whole ground that combines, deep placement base manure carries out little transplantation of seedlings then;
3) the Honda phase is adopted micro-nano bubble oxygenation water water for irrigation rice, and every filling primary water during irrigation when treating that it is consumed to the field face naturally and is moisture state, is irritated next water again, constitutes shallow water and moistening and replaces repeatedly; Seedling is transplanted the back and was used tillering fertilizer in 7～10 days; Timely dry field behind enough seedlings;
4) prevention and elimination of disease and pests in good time, results paddy when grain 95% yellow maturity of full field.
The oxygenating cultivation method of described irrigating rice with micro-nano bubble water is characterized in that in the described step 1) selecting the smooth field piece with fertile soil of physical features as the rice seedling bed, and 15～20 days to the soaked field of pouring water, rice seedling bed prior to seeding; The rotary tillage stubble-cleaning, smooth seedling plate is sowed preceding 2～3 days further smooth rice seedling beds; Every mu of rice seedling bed sowing quantity of hybrid rice is 10～15 kilograms during sowing; Conventional rice is 20～30 kilograms, and the strong seedling that band is tillered is cultivated in evenly sowing.
The oxygenating cultivation method of described irrigating rice with micro-nano bubble water; It is characterized in that described step 2) the preceding rice field of medium and small transplantation of seedlings is soaked to moistening and turn over; Transplant and base manure all applied in preceding 1 day the rice field of having turned over; Harrow a field then and weed and loosen the soil the field, base manure is sneaked in the soil uniformly, and when 15～20 days rice shoot length of time rice seedlings grow, transplanted.
The oxygenating cultivation method of described irrigating rice with micro-nano bubble water; It is characterized in that during the described step 3) Honda that each to irrigate micro-nano bubble oxygenation water depth be 25～35 millimeters in little transplantation of seedlings to booting stage; At each irrigation at booting to heading stage micro-nano bubble oxygenation water depth is 15～25 millimeters; Be in the milk to the maturing stage be main with moistening irrigation, irrigate micro-nano bubble oxygenation water depth is 5～15 millimeters at every turn.
The oxygenating cultivation method of described irrigating rice with micro-nano bubble water is characterized in that seedling was transplanted the back in the time of 7～10 days during the described step 3) Honda, removes the water dried dry field that falls; The face fine fisssure to the field when topsoil is the moisture undersaturated condition, is spread fertilizer over the fields tillering fertilizer in the face of land equably; Adopt the slowly mode of water inlet of a plurality of water filling ports then; Irritate a small amount of micro-nano bubble oxygenation water, treat to infiltrate soil than deep layer with water after the fertilizer off-bottom, the sealing water filling port; Mended in the 2nd day or the 3rd day and irritate micro-nano bubble oxygenation water, irrigating the degree of depth is 25～35 millimeters; Carry out the irrigation management of normal micro-nano bubble oxygenation water afterwards again.
The oxygenating cultivation method of described irrigating rice with micro-nano bubble water is characterized in that full field stem tiller number during the described step 3) Honda reaches 80% o'clock of target spike number and carries out dry field, and the dry field degree should be suited measures to local conditions; The field face is too wet, dry field 5～7 days, and the field face is more dried; Shone 2～4 days; The face that generally shines to the field is solid, and people's walking of going to the field does not fall into pin, and the field face minute crack occurs and gets final product.
The oxygenating cultivation method of described irrigating rice with micro-nano bubble water is characterized in that adopting in the described step 3) micro-nano bubble generating means to carry out micro-nano bubble oxygenation water water for irrigation rice, and the micro-nano bubble generating means is irrigated step and is:
A. the micro-nano bubble generating means is directly put into the pond, or dig 3 meters * 2 meters * 2 meters processing hole, the micro-nano bubble generating means is put into handled the hole at irrigation canal and rice field water filling port place;
B. before irrigating, the micro-nano bubble generating means carried out the oxygenation preliminary treatment 50～80 minutes, can irrigate while handling afterwards;
The delivery port in processing hole and water inlet perhaps through burying the mode of outlet pipe underground, are irrigated from the middle part diversion in puddle in diagonal positions when c. irrigating while handling;
When d. handling the air inlet of micro-nano bubble generating means is turned down to 1/3 opening.
The micro-nano bubble generating means adopts international monopoly technology JP031228 among the present invention, and this micro-nano bubble generating means rated power is 0.75KW, and per minute bubble generating capacity is 1670L.
Through the bubble 96% or more in the micro-nano bubble generating means treated water is diameter less than 3 microns micro air bubble, and the bubble time-to-live is long, bubble surface ability height.
The present invention is in response to the generation that can promote rice root growth and low position tiller with irrigating rice with micro-nano bubble water, so need plough deeply smooth rice seedling bed, elite seed, the strong seedling that light seeding cultivating seeds band is tillered in the rice seedling bed; Combine the whole ground of turning over before transplanting, deep placement base manure; When the length of time rice seedlings grow 15-20 days left and right sides, transplant as early as possible, so that take root as early as possible behind the rice transplanting and tiller; The Honda phase is used micro-nano bubble oxygenation water water for irrigation rice; Promptly when the whole field of rice transplanting the previous day or begin to use micro-nano bubble oxygenation water after transplanting and irrigate; Accomplish every filling primary water during irrigation; Treat that it is consumed to the field face naturally and is moisture state, irritate next water again, constitute shallow water and moistening and replace repeatedly; Behind the rice transplanting 10-14 days the time, remove the water dried dry field that falls, tillering fertilizer is spread fertilizer over the fields in the face of land equably during the face fine fisssure to the field; The mode that adopts a plurality of water filling ports slowly to pour water then; Irritate a small amount of micro-nano bubble oxygenation water, treat to infiltrate soil than deep layer with water after the fertilizer off-bottom, the sealing water filling port; Mended in the 2nd day or the 3rd day and irritate micro-nano bubble oxygenation water, irrigating the degree of depth is the 25-35 millimeter; Capable more afterwards normal micro-nano bubble oxygenation water irrigation management promotes sharp absorption efficiency of nitrogen fertilizer for paddy rice and utilization ratio; In time paddy rice rhizosphere oxygen environment is improved in the roasting field of appropriateness, promotes healthy and strong growth of rice root and enhance root system vigor, promotes growing of rice nutrition absorption function and overground part; Adopt moistening irrigation in the rice milking stage phase, not only kept the physiology of paddy rice to need water but also guarantee the required oxygen supply of breathing of root system, reduce the underproduction that causes because of root system early ageing; According to prediction and the timely insect pests crop smothering of field actual conditions, when grain 95% yellow maturity of full field, in time gather in the crops.
Micro-nano bubble oxygenation water among the present invention is to use the micro-nano bubble generating means conventional irrigation water is carried out the irrigation water that is rich in dissolved oxygen that the back generation is handled in oxygenation; Has following Performance Characteristics: be rich in diameter in the micro-nano bubble water less than 3 microns and charged micro-nano bubble; Make and be rich in dissolved oxygen in the water; Particularly wherein contained nanometer oxygen can be broken through the dissolved oxygen degree of saturation of water, and dissolved oxygen content is that (atmospheric pressure is 101.11kPa to 7.9mg/l; Water temperature is 26 ℃) about; And micro-nano bubble can be broken up water clusters, and the permeability of water is strengthened, and promotes water (liquid phase)-gas (gas phase) exchange; Simultaneously, the micro-nano bubble surface tension obviously strengthens, and bubble lifetime is long, can significantly delay the decline of oxygen in water content, after processing more than 100 hour in oxygen in water content all apparently higher than untreated water.
The present invention has given full play to the oxygenation effect and the effect that improves utilization rate of fertilizer of micro-nano bubble, and test shows that application should technology significantly improve paddy rice rhizosphere oxygen environment; The promotion rice root grows and function is built up; Improve nitrogen fertilizer for paddy rice absorption efficiency and utilization ratio, increase readily available nutrient of soil content, improve the percentage of earbearing tiller thereby can significantly improve paddy rice low position tiller ratio tillering stage; Thereby the pustulation period can delay leaf senile significantly improves ripening rate, thereby increases rice yield.The present invention is easy to operate, and practicality is better, can be widely used in rice cropping.
Description of drawings
Fig. 1,2 is experimental field topsoil redox potential variation diagram in the implementation process of the present invention;
Fig. 3 is irrigation water dissolved oxygen change curve in the implementation process of the present invention;
Fig. 4 utilizes the micro-nano bubble generating means to handle the irrigation water dissolved oxygen content variation diagram of different time.
Embodiment
Further specify the present invention below in conjunction with embodiment and field trial.
Embodiment 1
1) select that physical features is smooth, the field piece of fertile soil is as the rice seedling bed, 20 days to the soaked field of pouring water, rice seedling bed, rotary tillage stubble-cleaning, smooth seedling plate prior to seeding; Seedling plate furrow are wide 1.5 meters, 25 centimetres of furrow widths, and 15 centimetres of ditch depths are carried out the back draining plate that dries in the air, and make the seedling plate heavy real; Preceding 2 days of date of seeding further smooth rice seedling bed, reach the standard of " real, flat, light, straight "; Before the sowing seed rice is tedded 1-2 days, improve percentage of seedgermination and germination vigor; It is fully to stir in about 1.13 the salt solution (adding 10 kilograms of salt in 50 kg of water) that the seed that tedded is poured proportion into, pulls out and swims in salt empty flat seed and foreign material waterborne, pulls full seed again out and washes 2 times with clear water; With the clever water distribution seed soaking of seed soaking 48 hours (every clever water distribution 10 kg of water of seed soaking); Pull seed out and use the clear water wash clean; 35 ℃ are carried out vernalization in germinating box; Wash seed respectively once with clear water every day sooner or later during vernalization, and the germinating box temperature is adjusted to 30 ℃ of continuation vernalization behind vernalization to the cut, to the long 1 centimetre of left and right sides sowing in time of bud; Every mu of rice seedling bed sowing quantity of hybrid rice is 10 kilograms during sowing, and conventional rice is 25 kilograms, and the strong seedling that band is tillered is cultivated in evenly sowing; 2) in time transplanted during the left and right sides 20 days rice shoot length of time rice seedlings grow, it is soaked to moistening and turn over to transplant preceding rice field, transplants base manure all to be applied the rice field of having turned in preceding 1 day, harrows a field then and weeds and loosen the soil the field, makes base manure sneak into soil uniformly and reaches the purpose of deep placement; 3) the Honda phase is used micro-nano bubble oxygenation water water for irrigation rice, promptly when the whole field of rice transplanting the previous day or begin to use micro-nano bubble water after transplanting and irrigate; Each to irrigate the degree of depth be 25,30 or 35 millimeters to booting stage transplanting, and booting to heading stage is each, and to irrigate the degree of depth be 15,20 or 25 millimeters, is in the milk that to adopt with moistening irrigation to the maturing stage be main, and irrigate the degree of depth is 5,10 or 15 millimeters at every turn; 4) seedling was transplanted the back in the time of 10-14 days, removed the water dried dry field that falls, the face fine fisssure to the field; When topsoil is the moisture undersaturated condition tillering fertilizer is spread fertilizer over the fields in the face of land equably, on ridge, open a plurality of little water filling ports then, adopt the mode of slowly water inlet to irritate a small amount of micro-nano bubble water; Treat to infiltrate soil than deep layer with water after the fertilizer off-bottom water filling port on the sealing ridge, the 2nd day or the 3rd day benefit filling micro-nano bubble water; Irrigating the degree of depth is 25 millimeter, capable more afterwards normal micro-nano bubble oxygenation water irrigation management; 5) when full field stem tiller number reach the target spike number 80% the time carry out dry field, the dry field degree should be suited measures to local conditions, the field face is too wet, dry field 5-7 days, the field face was more dried, shone 2-4 days, the face that generally shines to the field is solid, people's walking of going to the field does not fall into pin, the field face minute crack occurs and gets final product; 6) prevention and elimination of disease and pests is in good time in time gathered in the crops when grain 95% yellow maturity of full field.
Embodiment 2
Paddy rice irrigation water aeration treating method: 1) use a kind of micro-nano bubble generating means that can produce micro-nano bubble and carry out irrigation water oxygenation processing; 2) select the infield of micro-nano bubble generating means according to the field physical condition; If the pond is irrigated; Can directly the micro-nano bubble generating means be put into the pond handles; If the channel diversion irrigation, can be in channel or the water inlet, land for growing field crops dig meter (wide) * 2,3 meters (length) * 2 meter (deeply) m
3The hole, the micro-nano bubble generating means is put into the hole handles; 3) the micro-nano bubble generating means carries out sufficient preliminary treatment before irrigating, and needs preliminary treatment more than 80 minutes if be positioned over the pond, needs preliminary treatment more than 50 minutes if handle in the hole that places manual work to dig, and can irrigate while handling afterwards; The delivery port in processing hole and water inlet perhaps through burying the mode of 15 centimetres of outlet pipes of diameter underground, are irrigated from the middle part diversion in puddle in diagonal positions when 4) irrigating while handling; When 5) handling the air inlet of micro-nano bubble generating means is turned down to 1/3 opening.
Test Example:
In the China Paddy Rice Inst experimental plot, through multiple years field application test.The field trial processing method: select that physical features is smooth, soil fertility is high, irrigation and drainage easily the field piece sow the soaked field of pouring water, preceding 20 days rice seedling beds as the rice seedling bed, the rotary tillage stubble-cleaning harrows a field and smooth seedling plate; Seedling plate furrow are wide 1.5 meters, 25 centimetres of furrow widths, and 15 centimetres of ditch depths are carried out the back draining plate that dries in the air, and make the seedling plate heavy real; Sow preceding 2 days further smooth seedling plates, reach the standard of " real, flat, light, straight "; Before the sowing seed rice is tedded 2 days, it is fully stirring in 1.13 the salt solution (adding 10 kilograms of salt in 50 kg of water) that the seed that tedded is poured proportion into, pulls out and swims in salt empty flat seed and foreign material waterborne, pulls full seed again out and washes 2 times with clear water; The seed of cleaning was soaked seed 48 hours in seed soaking Lingshui Spring liquid (per 10 kilograms of clear water add 1 seed soaking spirit); Pull seed out and use the clear water wash clean; With the back vernalization in germinating box (temperature is 35 ℃) of wet gunnysack parcel; During the vernalization every day use sooner or later the flushing with clean water seed each once, the germinating box temperature was adjusted to 30 ℃ in the 2nd day, to bud long 1 centimetre (after the vernalization the 3rd day) sowing in time; Every mu of rice seedling bed sowing quantity of hybrid rice is 10 kilograms during sowing, and conventional rice is 25 kilograms, evenly sowing; 15 kilograms of composite fertilizers (N: P: K=15: 15: 15) are used in every mu of rice seedling bed before the sowing, and every mu of one heart stage of rice shoot two leaves is executed 4 kilograms in urea, and every mu of one heart stage of 4 leaves is executed 7 kilograms in urea, transplant preceding 3 days every mu execute 10 kilograms in urea, cultivate the strong seedling that band is tillered; When 20 days rice shoot length of time rice seedlings grow, transplanted, it is soaked to moistening and turn over to transplant preceding rice field, transplants base manure all to be applied the rice field of having turned in preceding 1 day, harrows a field then and weeds and loosen the soil the field, makes base manure sneak into soil uniformly and reaches the purpose of deep placement; The Honda phase is used micro-nano bubble oxygenation water water for irrigation rice, promptly when the whole field of rice transplanting the previous day or begin to use micro-nano bubble water after transplanting and irrigate; Each to irrigate the degree of depth be 30 or 35 millimeters to booting stage transplanting, and booting to heading stage is each, and to irrigate the degree of depth be 20 or 25 millimeters, is in the milk that to adopt with moistening irrigation to the maturing stage be main, and irrigate the degree of depth is 10 or 15 millimeters at every turn; When seedling is transplanted back 12 days, remove the water dried dry field that falls, face fine fisssure to the field; When topsoil is the moisture undersaturated condition tillering fertilizer is spread fertilizer over the fields in the face of land equably, on ridge, open a plurality of little water filling ports then, adopt the mode of slowly water inlet to irritate a small amount of micro-nano bubble water; Treat to infiltrate soil than deep layer with water after the fertilizer off-bottom, the water filling port on the sealing ridge, benefit was irritated micro-nano bubble water in the 3rd day; Irrigating the degree of depth is 25 millimeter, capable more afterwards normal micro-nano bubble water oxygenation water irrigation management; When full field stem tiller number reach the target spike number 80% the time carry out dry field, the face that shines to the field is solid, people's walking of going to the field does not fall into pin, minute crack appears in the field face; Prevention and elimination of disease and pests is in good time in time gathered in the crops when grain 95% yellow maturity of full field.Tested in 2007,2008 and 2009, carry out in the code test field of (Fuyang, Zhejiang, Heaven field) in the China Paddy Rice Inst proving ground.Test is established and is transplanted to maturing stage, booting stage to maturing stage, the test of heading stage to maturing stage application irrigating rice with micro-nano bubble water, to irrigate best results from transplanting extremely ripe application micro-nano bubble water.
Da Qu contrast, Da Qu area 5 * 4 (m are adopted in test
2), repeat 3 times.Measure rice field topsoil redox potential in rice plant of tillering stage, panicle spike primordium differentiation stage, heading stage and milk ripe stage, get root appearance and investigate the root system characteristic in Sheng tiller phase and full heading time, output is also measured in the maturing stage sampling.
Fig. 1 and 2 is in the experimental field, transplants to the situation of ripe application micro-nano bubble water irrigation rice field topsoil redox potential variation diagram.Fig. 3 is a dissolved oxygen content curve map over time in common irrigation water and the micro-nano bubble water (handling 30min with the micro-nano bubble generating means) of equal volume under the laboratory condition (2000 liters).Fig. 4 is under the laboratory condition, and equal volume (2000 liters) irrigation water carries out the preliminary treatment of different time, the change curve of oxygen in water content through the micro-nano bubble generating means.To be 2007 and 2008 use under the situation that micro-nano bubble water oxygenation irrigates the rice yield situation from transplanting to ripe with table 1.Table 2 is used the output situation of micro-nano bubble water oxygenation water for irrigation rice for the different bearing stage.Table 3 is handled rice root growth characteristics down for oxygenation, and table 4 is for transplanting the extremely ripe nitrogen fertilizer for paddy rice utilization ratio under the micro-nano bubble water oxygenation irrigation conditions of using.Can know that by table 1 the oxygenation cultivation method of irrigating rice with micro-nano bubble water can increase effective fringe of paddy rice and ripening rate, thereby obviously increase output.Can know by table 2; Transplant to maturing stage application micro-nano bubble water oxygenation water for irrigation rice output the highest; Along with the postponement output amplification of using micro-nano bubble water oxygenation irrigation time is more little; But the economic benefits in that booting to maturing stage application micro-nano bubble water oxygenation irrigation obtains are best, therefore produce and can be chosen in booting to maturing stage application micro-nano bubble water oxygenation irrigation, with the acquisition greatest benefit.Can be known that by table 3 oxygenating cultivation method of paddy rice irrigating rice with micro-nano bubble water can promote the rice root growth, mainly be to increase root length and root dry weight and strengthened the root system absorption function, helps promoting that rice nutrition absorbs.The nitrogen fertilizer for paddy rice utilization ratio that table 4 is used the irrigating rice with micro-nano bubble water oxygenating cultivation method shows; The present invention can promote absorption and the utilization of paddy rice to nitrogenous fertilizer; Having improved the nitrogenous fertilizer utilization ratio and reduce the loss, is the following developing direction that fertilizer cost, environmental protection rice are done that reduces.
The rice yield and the formation factor thereof are down irrigated in table 1 oxygenation
Rice yield and yield component are down irrigated in the oxygenation of table 2 different bearing stage micro-nano bubble water
Rice root characteristic is down irrigated in table 3 oxygenation
The influence to paddy rice nitrogen utilization ratio is irrigated in the oxygenation of table 4 micro-nano bubble water
Analyze this test data; Can reach a conclusion: behind rice transplanting, use micro-nano bubble water oxygenation irrigation and can promote rice root growth and function; Increase rice yield, and can improve readily available nutrient of soil content, increase soil fertility; Can also improve the nitrogen fertilizer for paddy rice utilization ratio, reduce loss of nitrogen fertilizer.
Adopting embodiment 2 to carry out irrigation water oxygenation in addition handles; Test shows; The micro-nano bubble generating means can significantly increase the irrigation water dissolved oxygen content, and along with the prolongation of equipment pretreatment time, the irrigation water dissolved oxygen content is high more; But oxygen in water content promptly reaches hypersaturated state after reaching certain pretreatment time, continues to prolong the influence little (Fig. 4) of processing time to oxygen in water content this moment.Can preliminary treatment when preliminary treatment water body less (volume is less than 6000L) about 50 minutes, if the then preliminary treatment more than 80 minutes of big water body (volume is greater than 6000L).The irrigating rice with micro-nano bubble water that application processes is crossed can promote rice root growth and nutrient absorption, finally increases output.
Claims (5)
1. the oxygenating cultivation method of irrigating rice with micro-nano bubble water is characterized in that may further comprise the steps:
1) finishing rice seedling bed, the light seeding seed is cultivated the strong seedling of band tiller;
2) transplant the preceding whole ground that combines, deep placement base manure carries out little transplantation of seedlings then;
3) the Honda phase is adopted micro-nano bubble oxygenation water water for irrigation rice, and every filling primary water during irrigation when treating that it is consumed to the field face naturally and is moisture state, is irritated next water again, constitutes shallow water and moistening and replaces repeatedly;
Irrigate micro-nano bubble oxygenation water depth in little transplantation of seedlings to booting stage during the Honda is 25～35 millimeters at every turn; At each irrigation at booting to heading stage micro-nano bubble oxygenation water depth is 15～25 millimeters; Be in the milk to maturing stage employing moistening irrigation, irrigate micro-nano bubble oxygenation water depth is 5～15 millimeters at every turn;
Seedling is transplanted the back and was used tillering fertilizer in 7～10 days; Timely dry field behind enough seedlings;
Seedling was transplanted the back in the time of 7～10 days during the Honda, removed the water dried dry field that falls, the face fine fisssure to the field; When topsoil is the moisture undersaturated condition, tillering fertilizer is spread fertilizer over the fields in the face of land equably, adopt the slowly mode of water inlet of a plurality of water filling ports then; Irritate a small amount of micro-nano bubble oxygenation water, treat to infiltrate soil than deep layer with water after the fertilizer off-bottom, the sealing water filling port; Mended in the 2nd day or the 3rd day and irritate micro-nano bubble oxygenation water, irrigating the degree of depth is 25～35 millimeters; Carry out the irrigation management of normal micro-nano bubble oxygenation water afterwards again;
4) prevention and elimination of disease and pests in good time, results paddy when grain 95% yellow maturity of full field.
2. the oxygenating cultivation method of irrigating rice with micro-nano bubble water as claimed in claim 1 is characterized in that selecting in the described step 1) the smooth field piece with fertile soil of physical features as the rice seedling bed, and 15～20 days to the soaked field of pouring water, rice seedling bed prior to seeding; The rotary tillage stubble-cleaning, smooth seedling plate is sowed preceding 2～3 days further smooth rice seedling beds; Every mu of rice seedling bed sowing quantity of hybrid rice is 10～15 kilograms during sowing; Conventional rice is 20～30 kilograms, and the strong seedling that band is tillered is cultivated in evenly sowing.
3. the oxygenating cultivation method of irrigating rice with micro-nano bubble water as claimed in claim 1; It is characterized in that described step 2) the preceding rice field of medium and small transplantation of seedlings is soaked to moistening and turn over; Transplant and base manure all applied in preceding 1 day the rice field of having turned over; Harrow a field then and weed and loosen the soil the field, base manure is sneaked in the soil uniformly, and when 15～20 days rice shoot length of time rice seedlings grow, transplanted.
4. the oxygenating cultivation method of irrigating rice with micro-nano bubble water as claimed in claim 1 is characterized in that full field stem tiller number during the described step 3) Honda reaches 80% o'clock of target spike number and carries out dry field, and the dry field degree should be suited measures to local conditions; The field face is too wet, dry field 5～7 days, and the field face is more dried; Shone 2～4 days; Solarization to field face is solid, and the people goes to the field to walk and do not fall into pin, and the field face minute crack occurs and gets final product.
5. the oxygenating cultivation method of irrigating rice with micro-nano bubble water as claimed in claim 1 is characterized in that adopting in the described step 3) micro-nano bubble generating means to carry out micro-nano bubble oxygenation water water for irrigation rice, and the micro-nano bubble generating means is irrigated step and is:
A. the micro-nano bubble generating means is directly put into the pond, or dig 3 meters * 2 meters * 2 meters processing hole, the micro-nano bubble generating means is put into handled the hole at irrigation canal and rice field water filling port place;
B. before irrigating, the micro-nano bubble generating means carried out the oxygenation preliminary treatment 50～80 minutes, irrigated while handling afterwards;
The delivery port in processing hole and water inlet perhaps through burying the mode of outlet pipe underground, are irrigated from the middle part diversion in puddle in diagonal positions when c. irrigating while handling;
When d. handling the air inlet of micro-nano bubble generating means is turned down to 1/3 opening.
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| CN103125346A (en) * | 2011-11-30 | 2013-06-05 | 甘肃大禹节水集团股份有限公司 | Subsurface drip irrigation micro-nano air device |
| CN103975811B (en) * | 2014-06-06 | 2016-06-22 | 中国农业科学院作物科学研究所 | A kind of Oryza sativa L. irrigation by infiltration cultural method |
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| CN111109027A (en) * | 2020-01-21 | 2020-05-08 | 江西省农业技术推广总站 | Seedling cultivation method |
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-
2010
- 2010-05-27 CN CN2010101854063A patent/CN101843203B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111466267A (en) * | 2020-03-25 | 2020-07-31 | 浙江省农业科学院 | Method for safely producing paddy rice in farmland with slight cadmium pollution |
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