CN105009770A - Application method of rice grain bud fertilizer - Google Patents
Application method of rice grain bud fertilizer Download PDFInfo
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- CN105009770A CN105009770A CN201510458266.5A CN201510458266A CN105009770A CN 105009770 A CN105009770 A CN 105009770A CN 201510458266 A CN201510458266 A CN 201510458266A CN 105009770 A CN105009770 A CN 105009770A
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- rice
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- bud fertilizer
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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
- A01C21/007—Determining fertilization requirements
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Abstract
The invention provides an application method of a rice grain bud fertilizer. The method comprises the following steps: determining the application amount of the bud fertilizer based on a formula of y=-25.733x+1212.4 according to a boot leaf SPAD value measured 0-5 days after full heading of first season rice subjected to different fertilizer application treatment, wherein x in the formula is the measured boot leaf SPAD value, y is the application amount of the bud fertilizer, and the unit of the y value is kilogram; and after the application amount is determined, applying the bud fertilizer in time and keeping shallow water in the field while applying the grain bud fertilizer. The application method of the rice grain bud fertilizer is capable of effectively improving the setting percentage and seed weight of the first season rice as well as the rice emergence rate and productive spike of ratooning rice and further improving the total yield of double-cropping rice.
Description
Technical field
The invention belongs to technical field of agricultural cultivation, be specifically related to the application process of rice grain bud fertilizer.
Background technology
Accumulation ratoon rice be plantation one season semilate rice heat have a surplus and plant two season paddy rice heat condition deficiency area increase the effective way of grain yield.Hybrid Rice accumulation ratoon rice can effectively utilize this part regional rice field Wen Guang in autumn and soil fertility resource, increases paddy and always produces, alleviate the contradiction that people subtracts with increasing, improve the degree of self-sufficiency of grain.
Grain bud fertilizer refers to during accumulation ratoon rice produces increasing first rice crop of using after the neat fringe of first rice crop, and grain increases weight, ratoon rice is urged bud and protects the abbreviation that bud increases a fertilizing method of fringe.During general large area ratoon rice produces, first rice crop fringe granulated fertilizer and ratoon rice budding fertilizer separate administration, and using of grain bud fertilizer can reduce or remit using of first rice crop fringe granulated fertilizer and ratoon rice budding fertilizer.And the fertile application process randomness of existing grain bud is comparatively large, it is also uneven for using an effect for bud fertilizer, is unfavorable for that raising two season paddy always produces.
Summary of the invention
It is larger that one of the object of the invention solves the fertile application process randomness of existing grain bud, two season paddy always produce not high problem, and then a kind of application process of rice grain bud fertilizer is provided, this method effectively can determine the science amount of application of a bud fertilizer, and improve first rice crop ripening rate, Seed weight and ratoon rice emergence rate, effectively fringe by using a bud fertilizer, and then raising two season paddy always produces.
To achieve these goals, the present invention adopts following technical scheme,
An application process for rice grain bud fertilizer, comprises the steps:
Step one: after the neat fringe of first rice crop, in 0 ~ 5 day, measures sword-like leave SPAD value, determines an amount of application for bud fertilizer by following formula:
y＝-25.733x+1212.4
Wherein x represents SPAD value, and y is an amount of application for bud fertilizer, and the unit of y value is kilogram;
Step 2: after determining amount of application, uses a bud fertilizer under the condition of rice field immersion.
Further, the height of described rice field immersion is: 3 ~ 5cm.
Further, using a condition for bud fertilizer described in is: within 3 ~ 5 days, apply fertilizer after the fertilising of first rice crop full heading time or the neat fringe of rice season rice.
Further, use described in a condition of bud fertilizer on the morning blade face dew dry after or use a bud fertilizer after 5 o'clock in the afternoon.
Beneficial effect of the present invention is: the application process of rice grain bud fertilizer of the present invention effectively can improve first rice crop ripening rate, Seed weight and ratoon rice emergence rate, effectively fringe, and then raising two season paddy always produces.
Embodiment
Hereafter will describe the present invention in detail in conjunction with specific embodiments.It should be noted that the combination of technical characteristic or the technical characteristic described in following embodiment should not be considered to isolated, they can mutually be combined thus be reached better technique effect.
Before application of water grain of rice bud fertilizer, according to the sword-like leave SPAD value that after the neat fringe of first rice crop, 0 ~ 5 day measures, determine the amount of application of bud fertilizer (urea) a: y=-25.733x+1212.4 as follows, wherein, x is SPAD value, and y is an amount of application for bud fertilizer.After determining amount of application, after first rice crop full heading time or the neat fringe of rice season rice, 3 ~ 5 days granules application buds are fertile, use bud fertile time rice field in have water, the height of rice field immersion is: 3 ~ 5cm, and on the morning blade dew dry after or use as good after 5 o'clock in the afternoon, be bonded on blade to avoid fertilizer or Yin Gaowen etc. impacts blade.Wherein, full heading time refers to that 80% of full field booting spike of rice is called full heading time when extracting out.
Embodiment 1
Rice cultivation in the field of 1 hectare, after the neat fringe of first rice crop 1 day, measure the SPAD value of sword-like leave according to this method, the SPAD value of mensuration was 40.01, and according to this y=-25.733x+1212.4, (x is SPAD value, and y is an amount of application for bud fertilizer; ) determine that the fertile amount of application of the grain bud of a bud fertilizer (urea) is 182.82 kilograms; After the neat fringe of first rice crop, 5 o'clock of afternoon of the 1st day evenly uses a bud fertilizer by the amount of said determination in rice field, and front field of applying fertilizer is filled with shallow water and dissolved in order to fertilizer.
Embodiment 2
Rice cultivation in the field of 1 hectare, after the neat fringe of first rice crop 2 days, measure the SPAD value of sword-like leave according to this method, the SPAD value of mensuration was (39.68), and according to this y=-25.733x+1212.4, (x is SPAD value, and y is an amount of application for bud fertilizer; ) determine that an amount of application for bud fertilizer (urea) is 191.31 kilograms; Watered rice field the same day in mensuration, and watered to having shallow water in rice field, 5 o'clock of afternoon on the same day evenly uses a bud fertilizer by the grain bud fertilizer amount of said determination in rice field.
The fertile impact on first rice crop, To yield of ratooning crop and constituent element of grain bud under the different base fetilizer for tillering of the first rice crop amount of executing condition.Result is as shown in table 1:
1) grain bud is fertile has production-increasing function in various degree to first rice crop and ratoon rice: under base fetilizer for tillering amount of nitrogen the same terms, the fertile per hectare amount of nitrogen of grain bud is increased to 202.5kg from 67.5kg, and first rice crop and To yield of ratooning crop increase production 0.32% ~ 12.06% respectively, 102.86%-290.25%;
2) execute 0,60,120,240 kilograms, pure N base manure in first rice crop per hectare, the test that per hectare uses a bud fertilizer 0,67.5,135,202.5 is arranged down; The grain bud fertilizer process effect of increasing production executing pure N base manure 120 kg with first rice crop per hectare is good, wherein the fertile amount of application of grain bud is that between 135 and 202.5 kilograms of/hectare of process, To yield of ratooning crop difference is remarkable, thus by fertile for grain bud amount of application be 135 kilograms/hectare for efficiently to use process.
3) except not executing the fertile 135kg/hm of granules application bud under base fetilizer for tillering condition
2the first rice crop the Agronomic Use Efficiency of process than outside ratoon rice height, other respectively ratoon rice the Agronomic Use Efficiency of process have than first rice crop and improve in various degree, the average ratoon rice the Agronomic Use Efficiency of all process improves 2.75kg/kg (paddy/fertilizer) than first rice crop.
4) grain bud is fertile is increased production by raising first rice crop ripening rate and thousand kernel weight, is then mainly increased production by raising regeneration bud bud rate alive and effective fringe ratoon rice.
The fertile impact on first rice crop, To yield of ratooning crop and constituent element of grain bud under the different base fetilizer for tillering of table 1 amount of executing condition
As shown in Table 1: the amount of application of grain bud fertilizer (urea): y=-25.733x+1212.4, wherein, x is SPAD value, and y is an amount of application for bud fertilizer.
The application process of rice grain bud fertilizer of the present invention effectively can improve first rice crop ripening rate, Seed weight and ratoon rice emergence rate, effectively fringe, so improve two season paddy always produce.
Although give some embodiments of the present invention, it will be understood by those of skill in the art that without departing from the spirit of the invention herein, can change embodiment herein.Above-described embodiment is exemplary, should using embodiment herein as the restriction of interest field of the present invention.
Claims (4)
1. an application process for rice grain bud fertilizer, is characterized in that, comprises the steps:
Step one: after the neat fringe of first rice crop, in 0 ~ 5 day, measures sword-like leave SPAD value, determines an amount of application for bud fertilizer by following formula:
y＝-25.733x+1212.4
Wherein: x is SPAD value, y is an amount of application for bud fertilizer, and the unit of y value is kilogram;
Step 2: after determining amount of application, uses a bud fertilizer under the condition of rice field immersion.
2. the application process of a kind of rice grain bud fertilizer as claimed in claim 1, is characterized in that, the height of described rice field immersion is: 3 ~ 5cm.
3. the application process of a kind of rice grain bud fertilizer as claimed in claim 2, is characterized in that, described in use a condition for bud fertilizer and be: fertilising in 3 ~ 5 days after the fertilising of first rice crop full heading time or the neat fringe of rice season rice.
4. the application process of a kind of rice grain bud fertilizer as claimed in claim 3, is characterized in that, described in use a condition of bud fertilizer on the morning blade face dew dry after or use a bud fertilizer after 5 o'clock in the afternoon.
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| CN201510458266.5A CN105009770B (en) | 2015-07-30 | 2015-07-30 | The method of administration of rice grain bud fertilizer |
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| CN201510458266.5A CN105009770B (en) | 2015-07-30 | 2015-07-30 | The method of administration of rice grain bud fertilizer |
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| CN105009770A true CN105009770A (en) | 2015-11-04 |
| CN105009770B CN105009770B (en) | 2018-11-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109349038A (en) * | 2018-11-21 | 2019-02-19 | 四川省农业科学院水稻高粱研究所 | Paddy field with ponded water in winter area free-plowing and directly-seeding accumulation ratooning rice implantation methods |
| CN113698239A (en) * | 2021-09-14 | 2021-11-26 | 四川省农业科学院水稻高粱研究所 | Special fertilizer matched with hybrid medium rice and ratoon rice and fertilizing method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104303918A (en) * | 2014-10-27 | 2015-01-28 | 洪家智 | Regenerated rice cultivation method |
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2015
- 2015-07-30 CN CN201510458266.5A patent/CN105009770B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104303918A (en) * | 2014-10-27 | 2015-01-28 | 洪家智 | Regenerated rice cultivation method |
Non-Patent Citations (2)
| Title |
|---|
| 徐富贤等: "再生稻促芽肥高效施用量与头季稻齐穗期库源结构关系", 《西南农业学报》 * |
| 徐富贤等: "利用杂交中稻齐穗期剑叶叶绿素计读数(SPAD值)预测再生稻促芽肥高效施用量", 《中国水稻科学》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109349038A (en) * | 2018-11-21 | 2019-02-19 | 四川省农业科学院水稻高粱研究所 | Paddy field with ponded water in winter area free-plowing and directly-seeding accumulation ratooning rice implantation methods |
| CN113698239A (en) * | 2021-09-14 | 2021-11-26 | 四川省农业科学院水稻高粱研究所 | Special fertilizer matched with hybrid medium rice and ratoon rice and fertilizing method thereof |
| CN113698239B (en) * | 2021-09-14 | 2022-06-24 | 四川省农业科学院水稻高粱研究所 | Special fertilizer matched with hybrid medium rice and ratoon rice and fertilizing method thereof |
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