CN103787739B - A kind of volume increase control method of hybridisation rice - Google Patents
A kind of volume increase control method of hybridisation rice Download PDFInfo
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- CN103787739B CN103787739B CN201410002965.4A CN201410002965A CN103787739B CN 103787739 B CN103787739 B CN 103787739B CN 201410002965 A CN201410002965 A CN 201410002965A CN 103787739 B CN103787739 B CN 103787739B
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- conditioning agent
- control method
- volume increase
- increase control
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Abstract
The invention provides a kind of volume increase control method of hybridisation rice, comprise step: heading stage irrigation water or spray in foliage fertilizer and add A group conditioning agent, every mu of each consumption of soil is 120-200g; A group conditioning agent comprises Sodium Selenite and alkylphenol polyoxyethylene; When heading rate reaches 20-40%, add B group conditioning agent in irrigation water, every mu of each consumption of soil is 90-120g; B group conditioning agent comprises potassium primary phosphate, poly-aspartic potassium, Ca-EDTA, ethylenediamine tetraacetic acid (EDTA) potassium and Plant hormones regulators,gibberellins emulsion.This volume increase control method, mainly for the rice yield problem in Cd contaminated soil, adopts multiple composite parts to play the effect of chelating, nutrition and shortening nitrogen metabolism, the thousand seed weight of hybridisation rice and setting percentage is improved, thus reaches effect of increasing production.
Description
Technical field
The present invention relates to rice cropping field, especially, relate to a kind of volume increase control method of hybridisation rice.
Background technology
China accounts for the producing country of world's rice yield 35% as average annual turnout, rice safety is produced and received much concern.Further, China's Rice Production transforms from scalar type to mass type in recent years, and the specification of quality of people to edible rice improves constantly, and this is proposed very high requirement to being engaged in paddy rice research and production person.
Gather along with mine and the activity such as Metal smelting increases, the problem that the heavy metal content in the Farmland contamination of Xiangjiang River basin and paddy exceeds standard is day by day serious.Research shows, the heavy metal in soil, in paddy process of growth, can be accumulated by each site absorption of paddy rice.The heavy metal accumulated in paddy rice is not only combined with soluble proteins, also reduces Nitrogen Absorption and nitrate reductase activity, the synthesis of impede protein matter and acceleration breaks down proteins, interference plant nitrogen metabolism; And reduce plant intensity of photosynthesis.The topmost vertical distribution in current rice field is Cd.The pot experiment of Red Paddy Soil shows, when the Cd concentration in soil reaches 100mg/kg, and the paddy rice underproduction 20% ~ 50%; When reaching 200mg/kg, plant is downgraded, and ineffective tillering increases, and fringe examples explain reduces, and not plump paddy rate increases.
Therefore, rice safety and quality be ensured, to eliminate in planting process or to alleviate the impact of the Cd in soil on plant imperative.
Summary of the invention
The object of the invention is the volume increase control method providing a kind of hybridisation rice, to solve the not high technical problem of rice yield in Cd contaminated soil.
For achieving the above object, the invention provides a kind of volume increase control method of hybridisation rice, comprise the following steps:
A, in the irrigation water or foliage fertilizer at heading stage, add A group conditioning agent, every mu of each consumption of soil is 120-200g;
The weight percent of each composition of A group conditioning agent is:
Sodium Selenite 40-60%
Alkylphenol polyoxyethylene 40-60%;
When B, heading rate reach 20-40%, add B group conditioning agent in irrigation water, every mu of each consumption of soil is 90-120g, sprays at least interval three days at every turn;
The weight percent of each composition of B group conditioning agent is:
Preferably, the weight percent of each composition of A group conditioning agent is:
Sodium Selenite 45-55%
Alkylphenol polyoxyethylene 45-55%.
Preferably, the weight percent of each composition of B group conditioning agent is:
Preferably, the alkylphenol polyoxyethylene in component A comprises one or more in polyoxyethylene nonylphenol ether, polyoxyethylene octylphenol ether, alkylpolyoxyethylene or Dinonylphenol Polyoxyethylene Ether.
Preferably, every mu of consumption of A group conditioning agent is 135-175g.
Preferably, when A group conditioning agent uses as foliage fertilizer, at least interval three days between at every turn spraying.
Preferably, B group conditioning agent uses 1-4 time.
Preferably, described hybridisation rice is two-line hybrid rice.
The present invention has following beneficial effect:
Soil pollution is generally the combined pollution of multiple factor, and there is complicated interaction between the combined pollution factor.Therefore, the present invention adopts multiple composite parts to act on for the different pollution factors in soil.
When heading rate reaches 20-40%, A group conditioning agent is added with the Cd ion in impedance soil in irrigation water, utilize Ca-EDTA and ethylenediamine tetraacetic acid (EDTA) potassium to be sequestrant, make Cd ion be combined into stable inner complex with it, thus reduce the semi-invariant in plant.Further, potassium primary phosphate, as fertilizer base-material, promotes plant photosynthesis, in increase thousand seed weight and raising setting percentage, have certain basic role.
Poly aspartic acid includes peptide bond and carboxyl isoreactivity group, has the effects such as extremely strong chelating, dispersion and absorption, can strengthen the sequestering action of Ca-EDTA and ethylenediamine tetraacetic acid (EDTA) potassium further; And enter the poly aspartic acid after in plant materials and be progressively hydrolyzed, there is special biological activity, catalysis is carried out to some important biological processes, the hydrolysate of poly-asparagus fern is monomer aspartic acid, be the presoma of multiple amino acids, the existence of free aspartic acid to a certain degree can shorten the distance of nitrogen metabolism, and strengthening crop is to the overall absorption of nitrogen, phosphorus, potassium and medium trace element, thus raising utilization rate of fertilizer, increase crop yield.
Plant hormones regulators,gibberellins is a Plant Hormone, can promote that lateral bud grows; Its emulsion and potash fertilizer use activity stronger simultaneously.Therefore, the embodiment of the present invention have employed the compatibility of Plant hormones regulators,gibberellins emulsion and multiple sylvite with enhanced activity.Further, Plant hormones regulators,gibberellins and potassium primary phosphate use simultaneously, can strengthen the silicidize degree of blade, and it is then more difficult that blade absorbs nutritive ingredient, and soluble nitrogen content reduces, and strengthen disease resistance.
And, coordinate the Sodium Selenite be dissolved in alkylphenol polyoxyethylene as nutrition-fortifying agent at heading stage, the active effect that further reinforcement conditioning agent of the present invention is produced two-line hybrid rice, under the sequestering action of ethylenediamine tetraacetic acid (EDTA) coordinates, make the two-line hybrid rice volume increase 5-15% in Cd contaminated soil.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.The present invention is further detailed explanation below.
Embodiment
Below embodiments of the invention are described in detail, but the multitude of different ways that the present invention can limit according to claim and cover is implemented.
A volume increase control method for hybridisation rice, comprises the following steps:
A, in the irrigation water or foliage fertilizer at heading stage, add A group conditioning agent, every mu of each consumption of soil is 120-200g;
The weight percent of each composition of A group conditioning agent is:
Sodium Selenite 40-60%
Alkylphenol polyoxyethylene 40-60%;
B, heading rate reach 20-40%, add B group conditioning agent in irrigation water, and every mu of each consumption of soil is 90-120g, use at least interval 3 days at every turn;
The weight percent of each composition of B group conditioning agent is:
Applicant, through the field experiment interpretation of result of 3 years, finds that reaching 20-40% in the heading rate of Two-line system hybrid rice adds B group conditioning agent, and it can be made to reach the neat fringe of more than 90% safety in the short period of time, and effect of increasing production is the most remarkable.
Above-mentioned formula is mixed with many parts of conditioning agents according to the different ratios of following examples by applicant, and concrete ratio is as shown in the table.
Wherein, alkylphenol polyoxyethylene is the mixture of one or more in polyoxyethylene nonylphenol ether, polyoxyethylene octylphenol ether, alkylpolyoxyethylene or Dinonylphenol Polyoxyethylene Ether.
Be added in the irrigation water of one mu of hybridisation rice by the A group conditioner formulations of above-described embodiment, heading stage repeated once every three days, and totally twice, first time be 120g, is 150g for the second time; When heading rate is about 20-40%, B group conditioner formulations 90g is added the irrigation water secondary of this mu of hybridisation rice, two minor ticks three days.Not add the crop of A, B group conditioning agent of the present invention for reference examples, field test the results are shown in following table.The cultivation soil of embodiment group and control group is Cd contaminated soil, and the Cd ionic concn recorded is 56.24-113.33mg/kg.
As seen from the above table, formula of the present invention is added to each embodiment in irrigation water all on the basis of reference examples, has the stimulation ratio of different amplitude.
The A group conditioner formulations of above-described embodiment is sprayed to one mu of hybridisation rice at heading stage blade face three times, at least interval three days between three times, sprays that dosage is respectively A group conditioner formulations 135g, 175g, 200g add 50kg water and mix at every turn; When heading rate is about 20-40%, B group conditioner formulations 120g is added the irrigation water four times of this mu.Not add the crop of A, B group conditioning agent of the present invention for reference examples, field test the results are shown in following table.The cultivation soil of embodiment group and control group is Cd contaminated soil, and the Cd ionic concn recorded is 70.31-142.70mg/kg.
As seen from the above table, formula of the present invention is added to each embodiment in foliage fertilizer and irrigation water all on the basis of reference examples, has the stimulation ratio of different amplitude.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a volume increase control method for hybridisation rice, is characterized in that, comprise the following steps:
A, in the irrigation water or foliage fertilizer at heading stage, add A group conditioning agent, every mu of each consumption of soil is 120-200g;
The weight percent of each composition of A group conditioning agent is:
Sodium Selenite 40-60%
Alkylphenol polyoxyethylene 40-60%;
When B, heading rate reach 20-40%, add B group conditioning agent in irrigation water, every mu of each consumption of soil is 90-120g, sprays at least interval three days at every turn, and B group conditioning agent uses 1-4 time;
The weight percent of each composition of B group conditioning agent is:
2. the volume increase control method of a kind of hybridisation rice according to claim 1, is characterized in that,
The weight percent of each composition of A group conditioning agent is:
Sodium Selenite 45-55%
Alkylphenol polyoxyethylene 45-55%.
3. the volume increase control method of a kind of hybridisation rice according to claim 1, is characterized in that,
The weight percent of each composition of B group conditioning agent is:
4. the volume increase control method of a kind of hybridisation rice according to claim 1, it is characterized in that, the alkylphenol polyoxyethylene in component A comprises one or more in polyoxyethylene nonylphenol ether, polyoxyethylene octylphenol ether, alkylpolyoxyethylene or Dinonylphenol Polyoxyethylene Ether.
5. the volume increase control method of a kind of hybridisation rice according to any one of Claims 1-4, is characterized in that, every mu of consumption of A group conditioning agent is 135-175g.
6. the volume increase control method of a kind of hybridisation rice according to any one of Claims 1-4, is characterized in that, when A group conditioning agent uses as foliage fertilizer, and at least interval three days between at every turn spraying.
7. the volume increase control method of a kind of hybridisation rice according to any one of Claims 1-4, is characterized in that, described hybridisation rice is two-line hybrid rice.
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| CN103787739B true CN103787739B (en) | 2015-11-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104350988A (en) * | 2014-09-05 | 2015-02-18 | 常州大学 | Rice field selenium application method for reducing Cd concentration in rice |
| CN106810382B (en) * | 2017-03-27 | 2018-06-19 | 佛山市植宝化工有限公司 | A kind of water-soluble fertilizer and preparation method that rice heavy metal cadmium is inhibited to absorb and be enriched with |
| CN109328590A (en) * | 2018-11-05 | 2019-02-15 | 常州大学 | A kind of NPK fertilizer application method reducing Cd concentration of brown rice |
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| CN1083661A (en) * | 1992-08-31 | 1994-03-16 | 肖浪涛 | Growth regulator special for paddy rice |
| CN101669516A (en) * | 2009-10-15 | 2010-03-17 | 中国农业科学院作物科学研究所 | Ratooning rice special production-increase regulator, preparation method therefor and application thereof |
| CN102701858A (en) * | 2012-06-15 | 2012-10-03 | 郑州郑氏化工产品有限公司 | Regulator composition for controlling vigorous growth, resisting lodging and increasing yield of rice |
| CN102845449A (en) * | 2012-09-25 | 2013-01-02 | 东北师范大学 | Modifier for increasing production of corns and rice |
| CN103461043A (en) * | 2013-09-10 | 2013-12-25 | 天津坂结土壤肥料技术开发有限公司 | Planting method for improving rice yield |
| CN103477975A (en) * | 2013-10-14 | 2014-01-01 | 贵州红四方农业发展有限公司 | Method for increasing seed production yield of hybrid rice 'Fengliangyou No.4' |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100946937B1 (en) * | 2007-10-31 | 2010-03-09 | 주식회사 동부하이텍 | Biodegradable Slow-release Coated Fertilizer |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1083661A (en) * | 1992-08-31 | 1994-03-16 | 肖浪涛 | Growth regulator special for paddy rice |
| CN101669516A (en) * | 2009-10-15 | 2010-03-17 | 中国农业科学院作物科学研究所 | Ratooning rice special production-increase regulator, preparation method therefor and application thereof |
| CN102701858A (en) * | 2012-06-15 | 2012-10-03 | 郑州郑氏化工产品有限公司 | Regulator composition for controlling vigorous growth, resisting lodging and increasing yield of rice |
| CN102845449A (en) * | 2012-09-25 | 2013-01-02 | 东北师范大学 | Modifier for increasing production of corns and rice |
| CN103461043A (en) * | 2013-09-10 | 2013-12-25 | 天津坂结土壤肥料技术开发有限公司 | Planting method for improving rice yield |
| CN103477975A (en) * | 2013-10-14 | 2014-01-01 | 贵州红四方农业发展有限公司 | Method for increasing seed production yield of hybrid rice 'Fengliangyou No.4' |
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