CN106857130A - Rice mechanical transplanting single-dose application method - Google Patents
Rice mechanical transplanting single-dose application method Download PDFInfo
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- CN106857130A CN106857130A CN201710117629.8A CN201710117629A CN106857130A CN 106857130 A CN106857130 A CN 106857130A CN 201710117629 A CN201710117629 A CN 201710117629A CN 106857130 A CN106857130 A CN 106857130A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/002—Apparatus for sowing fertiliser; Fertiliser drill
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
- A01G22/22—Rice
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Abstract
The present invention relates to field of agricultural production technologies, a kind of specifically rice mechanical transplanting single-dose application method, depth is opened for 15cm ditch spread controlled-releasing compounding fertilizers using plough in the middle of seedling row in rice transplanter front end, rice transplanting drive end unit applies quick-acting fertilizer, and floating field face in seedling row centre position by the way that band scrub-brush runner top layer is mixed.The purpose of the achievable increasing production of rice of the present invention and raising utilization rate of nitrogen fertilizer, compared with the multiple fertilizing method of the conventional machine transplanting of rice, fertilizer practice of the present invention can reach volume increase 9.96~12.75%, and fertilizer utilization efficiency improves 53.86%~54.20% effect.
Description
Technical field
The present invention relates to field of agricultural production technologies, a kind of specifically rice mechanical transplanting single-dose application method.
Background technology
Paddy rice is one of topmost cereal crops of China, in face of current census' growth, cultivated land area, grain demand
The situation of rapid growth, improves rice yield imperative.It is one of important means of increasing production of rice to apply nitrogen, complete over nearly 50 years
World food yield sharp rises, and partly cause is that the increase of fertilizer particularly nitrogenous fertilizer input.Current China rice field single cropping
Nitrogen fertilizer amount average out to 180kg/hm2, 75% is higher by than world unit area consumption.Existing fertilising means are manually shedding top application
Based on, separately there is machinery trench digging to cover the modes such as mud deep placement, liquid fertilizer injection deep placement, but repeatedly fertilising is both needed in rice at whole growth periods.
Repeatedly fertilising is not only time-consuming takes a lot of work, and volatilization due to the ammonia in soil-water system, denitrification, surface be lost in and
Seepage effect etc. causes a large amount of losses of nitrogenous fertilizer, causes utilization rate of nitrogen fertilizer relatively relatively low；In order to reach expected volume target, meeting again
Further increase dose, cause fertilising excessive, increase carrying capacity of environment.Meanwhile, with Mechanization Level development and it is artificial into
This quick rise, gradation and heavy dressing have not met the requirement of current Rice Production development.
N-dressed deeply and using slowly/controlled releasing fertilizer technology be at present improve submerged weir flow utilization rate of nitrogen fertilizer maximally effective way
Footpath., into China's rice cropping main trend, machine transplanting of rice area is up to 1.8 hundred million mu for current rice mechanical transplanting.While the machine transplanting of rice, in rice shoot
Mixed nearby to apply quick-acting fertilizer and deep placement is coated the controlled-releasing compounding fertilizer of composite fertilizer's mixture by the resin of different fertilizer efficiency periods, the former meets paddy rice
Rice shoot early stage tiller nutrient requirement, slowly release meets rice plant time of infertility nutritional need to the latter, and deep placement 15cm can promote
Enter root system to prick deeply, the time of infertility with rice shoot machine transplanting of rice single-dose application, no longer imposes fertilizer, realizes that rice field dart transfer, fertilizer are efficient
Using the purpose of, environmentally friendly high yield.
The Chinese patent application file of publication number CN103922853A (application number 201410175904.8) provides one kind
By resin be coated composite fertilizer, resin be coated diamines, resin be coated potassium chloride answered from the resin-bonded grinding wheel of different release rates
Slow-release compound fertilizer with obtained suitable rice mechanical transplanting, fertilizer is directly manured into soil at 3~5cm with rice shoot, but still needs to impose point
Fetilizer for tillering.The Chinese patent application file of publication number CN103396243A (application number 201310344054.5) discloses a kind of whole process
Controlled release fertilizer special for cotton of one-time use and its preparation method and application, make use of coated fertilizer and granulated boric fertilizer, zinc fertilizer to enter
Row compounding is obtained, and fertilizer directly burrows when transplanting and is applied to seedling trophosome bottom, whole single fertilization, without topdressing,
But this fertilizer belongs to fertilizer special for cotton, and there is water layer in field face during rice transplanting, and the method is simultaneously not suitable for rice mechanization operation.It is open
The Chinese patent application file of number CN201182072Y (application number 200820089772.7) provides a kind of air-sweeping type side deep placement
Rich water rice transplanter device, is blown out fertilizer using gas from fertilizer delivering pipe, it is to avoid defertilizing opening is blocked；Publication number
It is fixed that the Chinese patent application file of CN103931318A (application number 201410108410.8) provides a kind of rice mechanical transplanting fixed point
Amount deep fertilizing device, using in the mud that airgun principle directly squeezes near rice shoot granular urea, it is to avoid fertilizer delivering pipe and mud
Slurry contact, reaches fixed point, the quantitative, effect of deep fertilizer spraying, but both are required to repeatedly topdress.
The content of the invention
The time of infertility that the purpose of the present invention is directed to existing fertilizing method presence need to repeatedly be applied fertilizer, fertilizer nutrient is supplied not
The problems such as meeting paddy growth demand rule, rice at whole growth periods nutritional need can not be met, there is provided one kind is suitable for rice machine
Slotting time of infertility single-dose application method.The present invention is according to indica type, the Xian Japonica rice time of infertility nutrients generally planted at present
Absorption Characteristics prepare controlled-releasing compounding fertilizer, and rice transplanter front end is in seedling row centre position deep placement controlled-releasing compounding fertilizer, depth 15cm, while inserting
Seedling drive end unit mixes quick-acting fertilizer and the floating field face of applying on seedling row centre position top layer, applies fertilizer synchronous with the machine transplanting of rice.Quick-acting fertilizer top layer is mixed to apply
Meet rice seedling early stage tiller nutrient requirement, controlled-releasing compounding fertilizer deep placement slowly discharges fertility, meets the rice plant time of infertility
Nutritional need, and deep placement 15cm promotes root system to prick deeply.The time of infertility, with machine transplanting of rice single-dose application, no longer imposes fertilizer, realizes rice field
Dart transfer, fertilizer are efficiently utilized, the purpose of environmentally friendly high yield.
The purpose of the present invention is implemented by the following technical programs：A kind of rice mechanical transplanting single-dose application method, rice transplanter front end
Depth is opened for 15cm ditch spread controlled-releasing compounding fertilizers using plough in the middle of seedling row, and rice transplanting drive end unit passes through band in seedling row centre position
Scrub-brush runner top layer is mixed to apply quick-acting fertilizer, and floating field face.
Further, by nitrogenous gauge, the quick-acting fertilizer and controlled-releasing compounding fertilizer weight ratio are 45%:55%.
Further, for composite fertilizer, its nitrogen, phosphorus, the mass percent of potassium are 15% to the mixed quick-acting fertilizer component of applying：
15%：15%.
Further, when paddy rice is single cropping long-grained nonglutinous rice, the controlled-releasing compounding fertilizer was by instant nitrogenousfertilizer, 45 days Controlled Release Fertilizers and 75 days
Controlled Release Fertilizer is prepared from, and its weight ratio is 20%：50%：30%；
Further, in 45 days Controlled Release Fertilizers nitrogen mass percent be 14~16%, phosphorus mass percent be 14~
16%th, potassium mass percent is 14~16%, and nutrient supply phase or fertilizer efficiency period are 42~48 days.
Further, in 75 days Controlled Release Fertilizers nitrogen mass percent be 19~21%, potassium mass percent be 19~
21%, nutrient supply phase or fertilizer efficiency period are 47~53 days.
Further, when paddy rice is single cropping Indica-Japonica Hybrid Rice, the controlled-releasing compounding fertilizer is by instant nitrogenousfertilizer, 50 days Controlled Release Fertilizers
It is prepared from 90 days Controlled Release Fertilizers, its weight ratio is 20%：30%：50%.
Further, in 50 days Controlled Release Fertilizers nitrogen mass percent be 14~16%, phosphorus mass percent be 14~
16%, potassium mass percent is 14~16%, and nutrient supply phase or fertilizer efficiency period are 72~78 days
Further, in 90 days Controlled Release Fertilizers nitrogen mass percent be 19~21%, phosphorus mass percent be 10~
15%th, potassium mass percent is 19~21%, and nutrient supply phase or fertilizer efficiency period are 85~95 days.
Deep placement instant nitrogenousfertilizer component in controlled-releasing compounding fertilizer of the present invention is graininess urea, is commercially available prod；Controlled Release Fertilizer is equal
For resin is coated composite fertilizer, coated release-controlled group is represented by the mass percent (in terms of nitrogen, phosphorus pentoxide, potassium oxide) of N, P, K
Nutrient content in pyrene core fertilizer.
The nutrients ratio that the fertilizing method time of infertility of the present invention provides is 1：0.4~0.6：0.9~1.2 (refers to nitrogen, five oxidations
The mass ratio of two phosphorus, potassium oxide), fertilizer nutrient release is synchronous with paddy growth time of infertility nutrient absorption law.
The present invention, for the preparation method of the controlled-releasing compounding fertilizer of rice mechanical transplanting, is fully to stir each component according to aforementioned proportion
Mix and mix and be prepared.
Compared with prior art, beneficial effects of the present invention are as follows：
(1) no matter existing Rice Production manually spreads fertilizer over the fields, machine transplanting of rice deep placement or is applicable the Slow/Controlled Release Fertilizers of the machine transplanting of rice, is given birth to entirely in paddy rice
The phase of educating is both needed to repeatedly fertilising.Part machine transplanting of rice slow/controlled release fertilizer technology, also lays particular emphasis on after extending the nutrient supply phase to meet paddy rice
Phase growing nutrient demand, still needs to topdress in tillering stage.The present invention not only persistently supplies nutrient, and foundation in rice at whole growth periods
Long-grained nonglutinous rice, the Xian round-grained rice type single harvest rice time of infertility Nutrient Absorptions feature preparation controlled-releasing compounding fertilizer generally planted at present, by quick-acting fertilizer table
Layer is mixed to grant controlled-releasing compounding fertilizer deep placement and is combined, and is arranged in pairs or groups by the nutrient effective supply phase of quick-acting fertilizer and controlled-releasing compounding fertilizer, so that
Realize that the release of time of infertility fertilizer nutrient is synchronous with rice nutrition absorption.
(2) supporting with rice transplanter, entire mechanization operation is not required to topdress, and saves labour turnover.Quick-acting fertilizer of the present invention is mixed to be applied
With controlled-releasing compounding fertilizer deep placement and the machine transplanting of rice synchronously carry out, single-dose application meets rice at whole growth periods nutritional need, has greatly saved and has applied
Fertile cost of labor, improves economic benefit.
(3) purpose of the achievable increasing production of rice of the present invention and raising utilization rate of nitrogen fertilizer, with the multiple fertilizing method of the conventional machine transplanting of rice
Compare, fertilizer practice of the present invention can reach volume increase 9.96~12.75%, fertilizer utilization efficiency improves 53.86%~54.20%
Effect.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1
Rice at whole growth periods Nitrogen Absorption curve and machine transplanting of rice single-dose application method Nitrogen releasing curve of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The applicant was carried out greatly in field tested by rice in China in 2015 in rice mechanical transplanting single-dose application method of the present invention
Field is tested, and conventional water soluble quick-acting fertilizer as reference examples is repeatedly applied so that the machine transplanting of rice is simultaneously artificial.
1st, kind is tested：Excellent No. 1 of middle Zhejiang (single cropping long-grained nonglutinous rice), river in Zhejiang Province excellent 538 (single cropping Indica-Japonica Hybrid Rice)
2nd, fertilizer applications：
Embodiment：
The present embodiment top layer is mixed to apply quick-acting fertilizer component used for composite fertilizer, and nitrogen, phosphorus, the mass percent of potassium are (with nitrogen, five oxygen
Change two phosphorus, potassium oxide meter) it is 15%：15%：15%, commercially available prod.Controlled-releasing compounding fertilizer component ratio is as follows used by deep placement：
Single cropping long-grained nonglutinous rice：
Instant nitrogenousfertilizer, 45 days Controlled Release Fertilizers (15-15-15), 75 days Controlled Release Fertilizer (20-0-20) nitrogen ratio be 20%：
50%：30%.
Single cropping japonica rice：
Instant nitrogenousfertilizer, 50 days Controlled Release Fertilizers (15-15-15), 90 days Controlled Release Fertilizer (20-0-20) nitrogen ratio be 20%：
30%：50%.
Numerical value in above each component bracket is the conventional mark of core fertilizer nutrient content, the i.e. matter of N, P, K in Controlled Release Fertilizer
Amount percentage (in terms of nitrogen, phosphorus pentoxide, potassium oxide), the nutrient supply phase of 45 days Controlled Release Fertilizers is 42~48 days, described
75 days nutrient supply phases of Controlled Release Fertilizer were 72~78 days, and the nutrient supply phase of 50 days Controlled Release Fertilizers is 47~53 days, described 90
The nutrient supply phase of its Controlled Release Fertilizer is 85~95 days.
The total amount of nitrogen of the present embodiment is 12kg/ mu, mixes and applies controlled-releasing compounding fertilizer suitable proportion used by quick-acting fertilizer used, deep placement and be
45%：55% (pressing nitrogenous gauge), that is, mix and apply quick-acting fertilizer amount of nitrogen used for 5.4kg/ mus, and controlled-releasing compounding fertilizer applies nitrogen used by deep placement
Measure is 6.6kg/ mus.The nutrients ratio of whole fertilizer is 1 used by the present embodiment：0.5：0.9 (i.e. nitrogen, phosphorus pentoxide, potassium oxide
Mass ratio).
The present embodiment fertilization mode is：The rice seedling machine transplanting of rice and quick-acting fertilizer top layer be mixed to apply, the same stepping of controlled-releasing compounding fertilizer deep placement
OK；Controlled-releasing compounding fertilizer applies seedling row middle, 12~15cm of soil depths by the plough of rice transplanter front end；Quick-acting fertilizer passes through
The band scrub-brush runner of rice transplanting drive end unit mixes with rice field top layer mud and applies, while field face mud layer is floating；To rice shoot not damaged,
The time of infertility no longer topdresses.
Reference examples：The rice shoot machine transplanting of rice, artificially applying fertilizer.Fertilization mode is：Rice seedling is transplanted and applies base manure in first 1 day, after transplanting
Apply tillering fertilizer within one week, respectively at 4 leaves, fell for 2 leaf phases and impose rush fertilizers for potted flowers, protect fertilizers for potted flowers, four times fertilising the ratio between amount of nitrogens are base manure：
Tillering fertilizer：Promote fertilizers for potted flowers：Protect fertilizers for potted flowers=4：3：1.5：1.5, total amount of nitrogen 12kg/ mus.Time of infertility nitrogen, phosphorus, potassium ratio are 1：
0.5：0.9 (i.e. the mass ratio of nitrogen, phosphorus pentoxide, potassium oxide).Phosphate fertilizer spreads fertilizer over the fields as base manure, and potash fertilizer is in base manure, rush flower
Nutriment in a fertilizer spreads fertilizer over the fields twice.Four fertilisings of reference examples are manually spreads fertilizer over the fields in paddy soil top layer.
Nitrogen, phosphorus, potash fertilizer used by reference examples are commercially available prod, and nitrogenous fertilizer is granular-type urea, nitrogen content 46%；Phosphate fertilizer was
Calcium phosphate, containing phosphorus pentoxide 12%；Potash fertilizer is potassium chloride, containing potassium oxide 60%.
While embodiment is set with reference examples, the space management of the material that do not apply fertilizer is set.
3rd, result of the test is determined：Take 3 points at random in the maturity period, seedling is looked into each continuous 50 cave of point, records number of productive ear, meter
Full field number of productive ear is calculated, calculates average per cave number of productive ear, taking 3 caves by average every cave number of productive ear is incorporated as a sample,
Embodiment and reference examples respectively take 3 samples, and species test determines every part of number of grain per ear of sample, setting percentage, mass of 1000 kernel, calculates yield.
Biomass estimation：Reference examples, embodiment and blank respectively take 3 samples, 3 repetitions, by fringe portion according to the method described above
Separated with cauline leaf, after 30 minutes, 70 DEG C dry to constant weight 105 DEG C of de-enzymes, weigh to obtain fringe portion dry matter and the total dry matter of cauline leaf.
Plant nitrogen assay：Each treatment fringe portion and cauline leaf sample after by drying are crushed respectively, and Kjeldahl's method is surveyed
Surely fringe portion nitrogen content and cauline leaf total nitrogen content are obtained.
Computing formula：Yield=number of productive ear × number of grain per ear × setting percentage × mass of 1000 kernel.
Amount of nitrogen sucking=total the dry matter of cauline leaf total nitrogen content × cauline leaf+fringe portion nitrogen content × fringe portion dry matter
Nitrogen absorption and utilization rate RE (%)=(Shi Dan areas amount of nitrogen sucking-clear area amount of nitrogen)/amount of nitrogen × 100%
Result of the test is shown in Table 1.
Influence of the machine-transplanted rice single-dose application method of table 1 to rice yield and nitrogen absorption and utilization rate
Controlled-releasing compounding fertilizer nitrogen release rate and rice at whole growth periods Nitrogen Absorption situation (Fig. 1) are investigated, Nitrogen in Rice absorbs
Curve is accounted for the per cents of gross absorption by different times rice plant absorbing nitrogen amount, and Nitrogen releasing curve is by different times
Controlled-releasing compounding fertilizer Nitrogen releasing cumulative percentage is drawn.
Controlled-releasing compounding fertilizer Nitrogen releasing curve is measured by sampling by field heeling-in.Specific method：Controlled release is obtained in the ratio
Chemical Mixed Fertilizer, accurately weighs 5.00g and is mixed with 100g lands, is sewn in bag filter, and the sowing same day is imbedded at machine transplanting of rice rice field
Seedling row middle position, depth 15cm or so, insert board sign.Respectively at 0 after transplanting, 5,10,15,20,25,30,40,50,60,
70th, 80,90,100,110,120 (single cropping long-grained nonglutinous rices), 130,140 (single cropping Indica-Japonica Hybrid Rices) are measured by sampling total nitrogen content, repeat 5
It is secondary, calculate the accumulative release rate of nitrogen.
Nitrogen in Rice absorption curve is measured by sampling by field.Specific method：Respectively at 0 after transplanting, 6,12,18,24,30,
40th, 50,60,70,80,90,100,110,120 (single cropping long-grained nonglutinous rices), 130,140d (single cropping Indica-Japonica Hybrid Rice) take the survey of plant sample
Determine absorbing nitrogen amount, calculate the percentage that each period Nitrogen Absorption accounts for gross absorption.
To sum up result shows：Top layer is mixed during the machine transplanting of rice applies quick-acting fertilizer, and fertilizer efficiency fast onset plays base manure effect, meets rice shoot
Nitrogen linear absorption demand in a short time after the machine transplanting of rice；Instant nitrogenousfertilizer composition, 45 days controlled releases in single cropping long-grained nonglutinous rice deep placement controlled-releasing compounding fertilizer
Fertile composition and 75 days Controlled Release Fertilizer compositions, instant nitrogenousfertilizer composition, 50 days controlled releases in single cropping Indica-Japonica Hybrid Rice deep placement controlled-releasing compounding fertilizer
Fertile composition and 90 days Controlled Release Fertilizer compositions, Releasing nutrient, lasting in rice plant of tillering stage, jointing stage, boot stage, heading flowering period successively
Fertilizer efficiency is played, each growing stage Nutrient Absorption demand of paddy rice is met, tillering fertilizer, ear manuer effect is played.
Compared with reference examples conventional manual repeatedly spreads fertilizer over the fields quick-acting fertilizer method, embodiment rice mechanical transplanting single-dose application method can be very
Coincide well rice at whole growth periods nutrient demand, really realizes that plant nitrogen absorbs and fertilizer nutrient synchronous, the rice yield of release
Significantly increase with amount of nitrogen sucking, and with nitrogen absorption and utilization rate higher.Compared with reference examples, the volume increase of embodiment single cropping long-grained nonglutinous rice
9.96%, utilization rate of nitrogen fertilizer improves 54.20%, single cropping Indica-Japonica Hybrid Rice volume increase 12.75%, utilization rate of nitrogen fertilizer raising 53.86%.
Illustrate that the present invention not only greatly simplify machine-transplanted rice fertilizer practice, save increasingly expensive cost of labor, moreover it is possible to ensure paddy rice
High yield increases production, and effectively improves utilization rate of fertilizer, reduces fertilizer and wastes, and mitigates water and soil pollution risk.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology) have with art of the present invention in those of ordinary skill general understanding identical meaning.Should also
Understand, those terms defined in such as general dictionary should be understood that the meaning having with the context of prior art
The consistent meaning of justice, and unless defined as here, will not be with idealizing or excessively formal implication be explained.
It should be noted last that：Above example is only used to illustrative and not limiting technical scheme, although ginseng
The present invention has been described in detail according to above-described embodiment, it will be apparent to an ordinarily skilled person in the art that：Still can be to this
Invention is modified or equivalent, any modification or partial replacement without departing from the spirit and scope of the present invention, and its is equal
Should cover in the middle of scope of the presently claimed invention.
Claims (9)
1. a kind of rice mechanical transplanting single-dose application method, it is characterised in that open depth using plough in the middle of seedling row in rice transplanter front end
It is 15cm ditch spread controlled-releasing compounding fertilizers to spend, and rice transplanting drive end unit applies quick-acting in seedling row centre position by the way that band scrub-brush runner top layer is mixed
Fertilizer, and floating field face.
2. rice mechanical transplanting single-dose application method according to claim 1, it is characterised in that by nitrogenous gauge, the quick-acting fertilizer
It is 45% with controlled-releasing compounding fertilizer weight ratio:55%.
3. rice mechanical transplanting single-dose application method according to claim 1 or claim 2, it is characterised in that described mixed to apply quick-acting fertilizer component
It is composite fertilizer, its nitrogen, phosphorus, the mass percent of potassium are 15%：15%：15%.
4. rice mechanical transplanting single-dose application method according to claim 1 or claim 2, it is characterised in that when paddy rice is single cropping long-grained nonglutinous rice,
The controlled-releasing compounding fertilizer is prepared from by instant nitrogenousfertilizer, 45 days Controlled Release Fertilizers and 75 days Controlled Release Fertilizers, and its weight ratio is 20%：50%：
30%.
5. rice mechanical transplanting single-dose application method according to claim 4, it is characterised in that nitrogen quality in 45 days Controlled Release Fertilizers
Percentage be 14~16%, phosphorus mass percent be 14~16%, potassium mass percent be 14~16%, the nutrient supply phase or
Fertilizer efficiency period is 42~48 days.
6. rice mechanical transplanting single-dose application method according to claim 4, it is characterised in that nitrogen quality in 75 days Controlled Release Fertilizers
Percentage be 19~21%, phosphorus mass percent be 10~15%, potassium mass percent be 19~21%, the nutrient supply phase or
Fertilizer efficiency period is 47~53 days.
7. rice mechanical transplanting single-dose application method according to claim 1 or claim 2, it is characterised in that when paddy rice is that single cropping Xian round-grained rice is miscellaneous
When handing over rice, the controlled-releasing compounding fertilizer is prepared from by instant nitrogenousfertilizer, 50 days Controlled Release Fertilizers and 90 days Controlled Release Fertilizers, and its weight ratio is
20%：30%：50%.
8. rice mechanical transplanting single-dose application method according to claim 7, it is characterised in that nitrogen quality in 50 days Controlled Release Fertilizers
Percentage be 14~16%, phosphorus mass percent be 14~16%, potassium mass percent be 14~16%, the nutrient supply phase or
Fertilizer efficiency period is 72~78 days.
9. rice mechanical transplanting single-dose application method according to claim 7, it is characterised in that nitrogen quality in 90 days Controlled Release Fertilizers
Percentage be 19~21%, phosphorus mass percent be 10~15%, potassium mass percent be 19~21%, the nutrient supply phase or
Fertilizer efficiency period is 85~95 days.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108617218A (en) * | 2018-06-22 | 2018-10-09 | 湖南农业大学 | The method applied Controlled Release Fertilizer and reduce the loss of late rice nitrogen nutrient is synchronized by the machine transplanting of rice |
| CN108739168A (en) * | 2018-06-22 | 2018-11-06 | 湖南农业大学 | The method applied Controlled Release Fertilizer and improve late rice yield is synchronized by the machine transplanting of rice |
| CN108739169A (en) * | 2018-06-22 | 2018-11-06 | 湖南农业大学 | The method applied Controlled Release Fertilizer and reduce the loss of early rice nitrogen nutrient is synchronized by the machine transplanting of rice |
| CN108781673A (en) * | 2018-06-22 | 2018-11-13 | 湖南农业大学 | The method applied Controlled Release Fertilizer and improve early rice yield is synchronized by the machine transplanting of rice |
| CN108849295A (en) * | 2018-06-22 | 2018-11-23 | 湖南农业大学 | The method for improving early rice yield by the synchronous accurate fertilizing of the machine transplanting of rice |
| CN108849332A (en) * | 2018-06-22 | 2018-11-23 | 湖南农业大学 | The method for improving early rice plant recovery of nutrient by the synchronous accurate fertilizing of the machine transplanting of rice |
| CN108887113A (en) * | 2018-06-22 | 2018-11-27 | 湖南农业大学 | The method for improving late rice yield by the synchronous accurate fertilizing of the machine transplanting of rice |
| CN109757173A (en) * | 2019-02-27 | 2019-05-17 | 江苏省农业科学院 | A kind of fertilizing method twice of machine-transplanted rice |
| CN111771498A (en) * | 2020-07-30 | 2020-10-16 | 江西省农业科学院土壤肥料与资源环境研究所 | Machine-transplanting side deep fertilization method for double cropping rice |
| CN112119727A (en) * | 2020-11-03 | 2020-12-25 | 扬州大学 | Method for applying nitrogen to mechanically-transplanted rice in whole growth period by one-time formula |
| CN112119850A (en) * | 2020-11-03 | 2020-12-25 | 扬州大学 | Planting method for direct-seeding rice nitrogen-saving one-time fertilization |
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| CN109757173A (en) * | 2019-02-27 | 2019-05-17 | 江苏省农业科学院 | A kind of fertilizing method twice of machine-transplanted rice |
| CN111771498A (en) * | 2020-07-30 | 2020-10-16 | 江西省农业科学院土壤肥料与资源环境研究所 | Machine-transplanting side deep fertilization method for double cropping rice |
| CN111771498B (en) * | 2020-07-30 | 2022-03-08 | 江西省农业科学院土壤肥料与资源环境研究所 | Machine-transplanting side deep fertilization method for double cropping rice |
| CN112119727A (en) * | 2020-11-03 | 2020-12-25 | 扬州大学 | Method for applying nitrogen to mechanically-transplanted rice in whole growth period by one-time formula |
| CN112119850A (en) * | 2020-11-03 | 2020-12-25 | 扬州大学 | Planting method for direct-seeding rice nitrogen-saving one-time fertilization |
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