CN105723906A - PASP nitrogen fertilizer mixed application method for hybrid rice - Google Patents
PASP nitrogen fertilizer mixed application method for hybrid rice Download PDFInfo
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- CN105723906A CN105723906A CN201610087477.7A CN201610087477A CN105723906A CN 105723906 A CN105723906 A CN 105723906A CN 201610087477 A CN201610087477 A CN 201610087477A CN 105723906 A CN105723906 A CN 105723906A
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- urea
- carbamide
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- 238000000034 method Methods 0.000 title claims abstract description 76
- 239000000618 nitrogen fertilizer Substances 0.000 title claims abstract description 69
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 68
- 235000009566 rice Nutrition 0.000 title claims abstract description 62
- 102100035024 Carboxypeptidase B Human genes 0.000 title claims abstract 36
- 101000946524 Homo sapiens Carboxypeptidase B Proteins 0.000 title claims abstract 36
- 240000007594 Oryza sativa Species 0.000 title description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 287
- 239000004202 carbamide Substances 0.000 claims abstract description 148
- 239000003337 fertilizer Substances 0.000 claims abstract description 108
- 241000209094 Oryza Species 0.000 claims abstract description 64
- 230000004720 fertilization Effects 0.000 claims abstract description 27
- 239000002689 soil Substances 0.000 claims abstract description 17
- 230000004069 differentiation Effects 0.000 claims abstract description 6
- 235000013877 carbamide Nutrition 0.000 claims description 135
- 108010064470 polyaspartate Proteins 0.000 claims description 103
- 235000015097 nutrients Nutrition 0.000 claims description 34
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 26
- 230000000243 photosynthetic effect Effects 0.000 claims description 21
- 210000003608 fece Anatomy 0.000 claims description 16
- 239000010871 livestock manure Substances 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- 241000196324 Embryophyta Species 0.000 claims description 9
- 235000013339 cereals Nutrition 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 150000001768 cations Chemical class 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 239000010903 husk Substances 0.000 claims description 3
- 208000000509 infertility Diseases 0.000 claims description 3
- 230000036512 infertility Effects 0.000 claims description 3
- 231100000535 infertility Toxicity 0.000 claims description 3
- 238000002372 labelling Methods 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 3
- 238000010561 standard procedure Methods 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 210000002700 urine Anatomy 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 2
- 238000003971 tillage Methods 0.000 abstract description 4
- 210000005069 ears Anatomy 0.000 abstract 1
- 229920000805 Polyaspartic acid Polymers 0.000 description 92
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 8
- 229940072033 potash Drugs 0.000 description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 8
- 235000015320 potassium carbonate Nutrition 0.000 description 8
- 230000008901 benefit Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 108090000765 processed proteins & peptides Proteins 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000005696 Diammonium phosphate Substances 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical group [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 125000003368 amide group Chemical group 0.000 description 2
- 230000031016 anaphase Effects 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical group [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 2
- 229910000388 diammonium phosphate Inorganic materials 0.000 description 2
- 235000019838 diammonium phosphate Nutrition 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000029553 photosynthesis Effects 0.000 description 2
- 238000010672 photosynthesis Methods 0.000 description 2
- 230000007115 recruitment Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- DWNBOPVKNPVNQG-LURJTMIESA-N (2s)-4-hydroxy-2-(propylamino)butanoic acid Chemical compound CCCN[C@H](C(O)=O)CCO DWNBOPVKNPVNQG-LURJTMIESA-N 0.000 description 1
- CKLJMWTZIZZHCS-REOHCLBHSA-N L-aspartic acid Chemical compound OC(=O)[C@@H](N)CC(O)=O CKLJMWTZIZZHCS-REOHCLBHSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 229960005261 aspartic acid Drugs 0.000 description 1
- 235000003704 aspartic acid Nutrition 0.000 description 1
- OQFSQFPPLPISGP-UHFFFAOYSA-N beta-carboxyaspartic acid Natural products OC(=O)C(N)C(C(O)=O)C(O)=O OQFSQFPPLPISGP-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007952 growth promoter Substances 0.000 description 1
- 238000009396 hybridization Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000014075 nitrogen utilization Effects 0.000 description 1
- 239000002686 phosphate fertilizer Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920001184 polypeptide Polymers 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a PASP nitrogen fertilizer mixed application method for hybrid rice.When PASP urea partially replaces common urea to be used as base fertilizer, PASP urea accounts for 60%, and common urea accounts for 40%; when PASP urea partially replaces common urea to be used as panicle fertilizer, PASP urea accounts for 50%, and common urea accounts for 50%.The PASP nitrogen fertilizer mixed application method for hybrid rice includes the steps that firstly, 50-60% of nitrogen fertilizer needed in the whole-growth period is evenly scattered in field according to mixed fertilizer of PASP urea and common urea in the PASP nitrogen fertilizer mixed application method for hybrid rice after the field is subjected to rotary tillage for the first time, then the field is subjected to rotary tillage again, and fertilizer and soil are fused; secondly, remaining nitrogen fertilizer serves as top dressing, and mixed fertilizer of PASP urea and common urea is applied in the early stage of first bud primordium differentiation of stem young ears, a simplified and efficient rice fertilization mode through special nitrogen fertilizer of PASR urea is put forwards, a balance point is found between labor saving and high efficiency, and efficient utilization of fertilizer is taken into consideration while labor is saved.
Description
Technical field
The invention belongs to the mixed applying method of nitrogenous fertilizer, particularly relate to the mixed applying method of a kind of hybrid paddy rice PASP nitrogenous fertilizer.
Background technology
Along with gradually decreasing of ploughing, developing simultaneously of grain " weight and quality " demand, particularly subtract in fat-reducing
Under the environmental protection slogan background of medicine so " double subtract potentiation ", the fertilizer practice of science is efficiently planted as rice high yield
The important step of training management technology seems increasingly important.
For a long time, cultivate resistance to fertile kind and to use a large amount of nitrogenous fertilizer be the weight improving and ensureing China's rice yield
Wanting measure so that the nitrogen fertilizer production amount of China and consumption figure all occupy first place in the world, this season utilization rate of nitrogenous fertilizer is but
It is in the lowest level.Irrational Nitrogen Application Skill result in substantial amounts of loss of nitrogenous fertilizer, not only increases kind
Rice cost, reduces kind of a rice benefit, and a large amount of nitrogen run off also create serious environmental problem.PASP carbamide
It is a kind of synergistic urea newly developed, this fertilizer is used peasant's many employings base fertilizer the most clear, although save
Artificial, but the slow releasing function of fertilizer does not has the longest, and Later Stage of Rice fertilizer can be caused not enough.In research,
" the rice high efficient fertilizing method that a kind of essence amount simplifies " that Sun Wentao et al. proposes is though mentioning simplification and executing in patent
Fertile nitrogenous fertilizer can administered twice, also refer to fertilizer type can be slow-release fertilizer, but does not specialise, and
In the example of its patent, fertilizer used is common urea.
Current existing fertilization of rice method and technology one:
The rice high efficient fertilizing method that a kind of essence amount simplifies, fertilizing method is before soaked field, rice field, by all fertilizer
Expect uniformly to spread fertilizer over the fields face, field as base manure and combine rotary tillage fertilizer is mixed into topsoil 7-10cm, then soaked field, arm-tie
Leveling, no longer imposes any fertilizer；Or by the inorganic nitrogeneous fertilizer of mass percent 65-80% and all of phosphorus potash fertilizer
As base manure, uniformly spreading fertilizer over the fields face, field and with rotary tillage, fertilizer be mixed into topsoil 7-10cm, remaining inorganic nitrogeneous fertilizer exists
Late tillering state or booting early stage will all impose, and whole period of duration no longer imposes fertilizer.Nitrogenous fertilizer can be common urine
Element or slow-release carbamide；Phosphate fertilizer can be Diammonium phosphate (DAP), and potash fertilizer can be potassium chloride or potassium sulfate.
The shortcoming of prior art one:
Major defect is when fertilizer type is common urea efficient, for during slow-release carbamide again without excess syndrome,
It is difficult to convince.That is whole fertilizer of method one of its narration makees base fertilizer, particularly arrives when fertilizer is common urea
Later stage may fertilizer efficiency lose, it is impossible to meets Later Stage of Rice growth, it is impossible to ensure yield, and fertilizer is sharp
The lowest by rate, it is impossible to adapt to the demand of present fertilizer decrement potentiation.
Existing fertilization of rice method and technology two:
I.e. use 60%-80% as base manure, remaining topdresses, and may result in rice milking stage productive phase nitrogen
Element is under-supply, thus causes Oryza sativa L. floret bears, setting percentage, mass of 1000 kernel to decline, and then affect yield.And
Also the kind mentioning the fertilizer in two kinds of methods in patent can be slow-release carbamide, but it is of a great variety, different slow
Release its fertilizer efficiency release profiles of carbamide and differ, and the example in patent is common urea, there is no slow release urine
The research that element is relevant.
Inorganic fertilizer disposably uses before soaked field it is impossible to ensure that nitrogen needed for the plant strain growth later stage, and plant is raw
The long later stage can take off fertilizer, disposably uses that to also result in utilization rate of fertilizer low simultaneously, and it is mentioned that slow release
Carbamide is of a great variety, and different its fertilizer release profiles of slow-release carbamide also differ, even if using slow-release carbamide also
It cannot be guaranteed that the Nitrogen supplying in plant strain growth later stage.Such as the method imposed according to late tillering state or booting early stage,
Then in fertilizer ratio, early stage 65-80% is the most, may result in rice milking stage productive phase Nitrogen supplying not enough, from
And cause Oryza sativa L. floret bears, setting percentage, mass of 1000 kernel to decline, and then affect yield.Meanwhile, late tillering state or
Booting early stage is one section of long time, and the method operability that this patent is mentioned is not strong, and late tillering state executes
Fertilizer, can cause a large amount of generations of ineffective tillering, and the percentage of earbearing tiller is low, and pest and disease damage occurs weight, and the later stage easily lodges.
Secondly potash fertilizer finds in our study, and in potash fertilizer, shifting can preferably improve Genes For Plant Tolerance lodging, resist
Non-irrigated, disease-resistant ability, thus improve yield.
Now four fertilization methods of many promotions, i.e. divide base manure, tillering fertilizer, rush fertilizers for potted flowers and protect fertilizers for potted flowers, advocating the most
Secondary.
The shortcoming of prior art two:
This method can actually improve yield, but substantially increases cost of labor, particularly works with rural area
The present situation of power shortage is runed counter to.
Summary of the invention
It is an object of the invention to provide the mixed applying method of a kind of hybrid paddy rice PASP nitrogenous fertilizer, it is intended to solve fertilizer
Though applied once saving of labor measure that big utilization rate is low and although slow-release fertilizer can be increased operation rate but different slow
Release slow-release fertilizer Dressing date that fat material release profiles difference causes and the different problem of ratio.
The present invention is achieved in that the mixed applying method of a kind of hybrid paddy rice PASP nitrogenous fertilizer, this PASP nitrogenous fertilizer
Mixed applying method is:
Replacing common urea with PASP urea moiety, PASP carbamide combines soil particle, supports in conjunction with cation
Point, by soil liquid transport to hybrid paddy rice root in soil, root system only absorbs nutrient, and PASP is again
Enter soil liquid transport nutrient；
And PASP carbamide is mixed with common urea science, common urea nutrients release is fast, can meet as early as possible and execute
The timely growth of hybrid paddy rice plant, simultaneously PASP urea molecule sieve effect after fertilizer, its nutrients release is slow,
The growth of fertilising later stage hybrid paddy rice can be maintained.PASP carbamide is mixed with common urea, replaces with two step fertilization methods
Four fertilising (base manure+tillering fertilizer+rush fertilizers for potted flowers+guarantor's fertilizers for potted flowers) methods of common nitrogenous fertilizer high-yield fertilization method, save
The labour force of twice fertilising puts into, for cost-effective about 100 yuan.
Making the base manure used time, common urea accounts for 40%, meets the new root of rice shoot period of seedling establishment, young leaves after its nutrients release
With the needs of newborn tiller growth, PASP carbamide accounts for 60%, and PASP carbamide provides tillering regularity to pull out to plant
Root system and the required nutrient of overground part growth during joint.When making ear manuer, PASP carbamide accounts for 50%, common urea
Accounting for 50%, common urea maintains photosynthetic function for nutrient needed for Floret differentiation, PASP carbamide for later stage root leaf
Required nutrient, so can ensure later stage root leaf not senilism, improves grain husk flower setting percentage and grain-filling degree, every fringe
Real grain number and mass of 1000 kernel are all improved.
Further, described PASP carbamide is in urea synthesis process, i.e. uniformly adds poly-Radix Asparagi before pelletize
Propylhomoserin, forms the PASP carbamide that poly-aspartate uniformly merges with carbamide, nitrogenous ratio 46%, utilizes poly-sky
Free carboxyl group and amide group on Aspartic Acid strand adsorb nutrient, form one and have relatively after using
The rhizospheric environment of high available nutrient, reaches slow release and increases the effect of N-uptake and use efficiency efficiency.
Another object of the present invention is to provide the using method of a kind of hybrid paddy rice PASP nitrogenous fertilizer, this hybrid paddy rice
The using method of PASP nitrogenous fertilizer includes:
The first step, by the 50%-60% of the nitrogenous fertilizer needed for the time of infertility, by the mixed side of executing of hybrid paddy rice PASP nitrogenous fertilizer
PASP carbamide in method and the mixed fertilizer of common urea, behind rotation field for the first time, be uniformly sprinkled into Tanaka,
Revolving field more once, make loam melt mutually, this fertilising replaces the base manure in common fertilization method and tillering fertilizer two
Using of secondary fertilizer, reaches the effect of administered twice common fertilizer with applied once mixed fertilizer；
Second step, using the nitrogenous fertilizer of remaining 40%-50% as topdressing, breaks up at the luxuriant former base of stem children's fringe first
Initial stage presses the mixed fertilizer applying of the PASP carbamide in the mixed applying method of hybrid paddy rice PASP nitrogenous fertilizer and common urea,
Now stem still has 3.5 leaves not have stretching as field intuitive judgment standard.
Further, described stem still has 3.5 leaves not have the stretching as field intuitive judgment standard method to be:
When specifically observing, first clear and definite certain kind number of blade that stem is total under certain ecological zone, leads to the most before administration
Crossing the blade that labelling record has been pumped out, deduct with total leaf number and extract blade out, number of results is 3.5 leaves
Time this Term Fertilization just period；Meanwhile, when using, note observing blade and blade color, with from top downwards
The 3rd leaf and the contrast of the 4th leaf, if the 4th leaf color is light in the 3rd leaf, then execute by design flow
Fertile；If the 4th leaf color is identical or slightly deep with the 3rd leaf, then halves and use.
Another object of the present invention is to provide a kind of and judge that PASP carbamide strengthens later stage photosynthetic capacity method,
This judge PASP carbamide strengthen later stage photosynthetic capacity method as: by pustulation period common urea and PASP carbamide
To sword-like leave, 2 leaves and unit are of 3 leaves and the contrast of single leaf photosynthetic rate carry out judging PASP of falling
Carbamide strengthens later stage photosynthetic capacity.
It is an advantage of the current invention that: PASP peptide urea: it is same that one has chelated poly-aspartic-acid (PASP)
The new urea of source polypeptide, which increases the crop absorption and use efficiency to nitrogen；
PASP carbamide enhances later stage photosynthetic capacity, and PASP carbamide enhances later stage root system activity, delays
Leaf senile, enhances the photosynthetic capacity of anaphase blade；Comparing with common urea, PASP carbamide significantly improves
Sword-like leave, fall 2 leaves and the unit are of 3 leaves and single leaf photosynthetic rate, thus be effectively increased 3
Single cave photosynthetic rate of leaf；
Comparing with common urea, the result that affects of pustulation period Rice Photosynthesis is shown by PASP carbamide:
At unit are (μm ol CO2m-2s-1) upper: common urea sword-like leave is 20.72, and PASP carbamide is
21.99；Single leaf (nmol CO2s-1Per leaf) on, common urea sword-like leave is 154.96, and PASP urinates
Element is 187.31；Single cave (μm ol CO2s-1Per hill) on, common urea sword-like leave is 1.18, PASP
Carbamide is 1.59；
Two step fertilization methods, and topdress be placed on stem children's fringe first luxuriant former base differentiation the initial stage use, now apply fertilizer,
Just can be connected because of the most depleted need fertilizer vacancy of base manure, thus meet Later Stage of Rice booting, take out
Two need fertilizer peak times of fringe, while reducing labour cost, improve the utilization ratio of fertilizer, saving
Work and efficiently between have found balance；
Result compared with four fertilisings of PASP nitrogenous fertilizer two step fertilization method and common urea: at effective fringe (ten thousand fringes/mu)
On, four fertilisings of common urea are 8.94, and PASP nitrogenous fertilizer two step fertilization method is 10.43, PASP nitrogenous fertilizer four times
Fertilising is 8.86；
In yield (kg/ mu), four fertilisings of common urea are 520.54, and PASP nitrogenous fertilizer two step fertilization method is
572.79, PASP nitrogenous fertilizer four times fertilisings are 580.82；
Compared with four fertilisings of common urea, PASP nitrogenous fertilizer two step fertilization method mu increases production 50 kilograms；With PASP nitrogen
Fertile four fertilisings are compared, although volume variance is less, but saves the recruitment of twice fertilising, and mu is cost-effective
About 100 yuan.
Although although the present invention is directed to fertilizer applied once saving of labor but measure that big utilization rate is low and slow-release fertilizer is permissible
Increase operation rate but the slow-release fertilizer Dressing date that causes of different slow-release fertilizer fertilizer release profiles difference and ratio not
Parity problem, it is proposed that a kind of Oryza sativa L. using this kind of specific nitrogenous fertilizer of peptide urea simplifies efficient fertilization mode.
By 2 years fertilizer tests, Dressing date and ratio to peptide urea were studied, saving of labor with efficient
Between have found an equilibrium point, while saving of labor, taken into account the efficient utilization of fertilizer.
Present invention PASP urea moiety replaces common urea, and PASP carbamide combines soil particle, in conjunction with sun
Ion nutrient, by soil liquid transport to hybrid paddy rice root in soil, root system only absorbs nutrient, PASP
Enter soil liquid transport nutrient again, thus improve about 10 percentage points of nitrogen utilization efficiency,
In the case of ensureing stable high yield, chemical nitrogen fertilizer amount of application can be reduced and reach 10%.PASP carbamide is with common
Carbamide science is used with, and common urea nutrients release is fast, can meet the timely life of hybrid paddy rice plant after applying fertilizer as early as possible
Long, PASP carbamide has molecular sieving effect simultaneously, and its nutrients release is slow, can maintain the hybridization of fertilising later stage
The growth of rice.PASP carbamide is mixed with common urea, replaces common nitrogenous fertilizer high-yield fertilization method with two step fertilization methods
Four fertilizing methods, save twice fertilising labour force put into, for cost-effective about 100 yuan.
Accompanying drawing explanation
Fig. 1 is the using method flow chart of the hybrid paddy rice PASP nitrogenous fertilizer that the embodiment of the present invention provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment,
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to
Explain the present invention, be not intended to limit the present invention.
PASP peptide urea: one has chelated the new urea of poly-aspartic-acid (PASP) homeopeptide,
Which increase the crop absorption and use efficiency to nitrogen.
The present invention combines Oryza sativa L. uptake characters, Dressing date and amount of application are carried out by the feature of PASP carbamide own
Further investigation, has innovated that two step potentiation of a kind of hybrid paddy rice PASP nitrogenous fertilizer are mixed excutes a law, and not only reduces fertilizer application frequency,
Reduce Productive statistics, also ensure that the fertilizer efficiency demand of Later Stage of Rice.
Below in conjunction with the accompanying drawings and the application principle of the present invention is further described by specific embodiment.
A kind of mixed applying method of hybrid paddy rice PASP nitrogenous fertilizer, the mixed applying method of this PASP nitrogenous fertilizer is:
Replacing common urea with PASP urea moiety, PASP carbamide combines soil particle, supports in conjunction with cation
Point, by soil liquid transport to hybrid paddy rice root in soil, root system only absorbs nutrient, and PASP is again
Enter soil liquid transport nutrient；
And PASP carbamide is mixed with common urea science, common urea nutrients release is fast, can meet as early as possible and execute
The timely growth of hybrid paddy rice plant, simultaneously PASP urea molecule sieve effect after fertilizer, its nutrients release is slow,
The growth of fertilising later stage hybrid paddy rice can be maintained.PASP carbamide is mixed with common urea, replaces with two step fertilization methods
Four fertilizing methods of common nitrogenous fertilizer high-yield fertilization method, the labour force saving twice fertilising puts into, for saving into
These about 100 yuan.
Making the base manure used time, common urea accounts for 40%, meets the new root of rice shoot period of seedling establishment, young leaves after its nutrients release
With the needs of newborn tiller growth, PASP carbamide accounts for 60%, and PASP carbamide provides tillering regularity to pull out to plant
Root system and the required nutrient of overground part growth during joint.When making ear manuer, PASP carbamide accounts for 50%, common urea
Accounting for 50%, common urea maintains photosynthetic function for nutrient needed for Floret differentiation, PASP carbamide for later stage root leaf
Required nutrient, so can ensure later stage root leaf not senilism, improves grain husk flower setting percentage and grain-filling degree, every fringe
Real grain number and mass of 1000 kernel are all improved.
Described PASP carbamide is in urea synthesis process, i.e. uniformly adds poly-aspartate, shape before pelletize
Become the PASP carbamide that poly-aspartate and carbamide uniformly merge, nitrogenous ratio 46%, utilize poly-aspartic-acid
Free carboxyl group and amide group on strand adsorb nutrient, form one and have higher the most foster after using
The rhizospheric environment divided, reaches slow release and increases the effect of N-uptake and use efficiency efficiency.
As shown in Figure 1: another object of the present invention is to provide the user of a kind of hybrid paddy rice PASP nitrogenous fertilizer
Method, the using method of this hybrid paddy rice PASP nitrogenous fertilizer includes:
S101: by the 50%-60% of the nitrogenous fertilizer needed for the time of infertility, by the mixed applying method of hybrid paddy rice PASP nitrogenous fertilizer
In the mixed fertilizer of PASP carbamide and common urea, behind rotation field for the first time, be uniformly sprinkled into Tanaka, so
After revolve field more once, make loam melt mutually, this fertilising replaces the base manure in common fertilization method and tillering fertilizer twice
Using of fertilizer, reaches the effect of administered twice common fertilizer with applied once mixed fertilizer；
S102: using the nitrogenous fertilizer of remaining 40%-50% as topdressing, at the beginning of the luxuriant former base of stem children's fringe first breaks up
Phase presses the mixed fertilizer applying of the PASP carbamide in the mixed applying method of hybrid paddy rice PASP nitrogenous fertilizer and common urea,
Now stem still has 3.5 leaves not have stretching as field intuitive judgment standard.
Described stem still has 3.5 leaves not have the stretching as field intuitive judgment standard method to be: specifically see
When examining, first clear and definite certain kind number of blade that stem is total under certain ecological zone, passes through labelling the most before administration
The blade that record has been pumped out, deducts with total leaf number and extracts blade out, when number of results is 3.5 leaves just
The period of this Term Fertilization；Meanwhile, when using, note observing blade and blade color, with from pushing up downward the 3rd
Sheet leaf and the 4th leaf contrast, if the 4th leaf color is light in the 3rd leaf, then press design flow fertilising；As
Really the 4th leaf color is identical or slightly deep with the 3rd leaf, then halve and use.
The present invention provides a kind of and judges that PASP carbamide strengthens later stage photosynthetic capacity method, this judgement PASP carbamide
Strengthening later stage photosynthetic capacity method is: by pustulation period common urea and PASP carbamide to sword-like leave, fall 2
The contrast of the unit are of leaf and 3 leaves and single leaf photosynthetic rate carries out judging that PASP carbamide strengthens later stage light
Conjunction ability.
The application principle of the present invention is further described by the advantage below in conjunction with invention.
It is an advantage of the current invention that: (1) PASP carbamide enhances later stage photosynthetic capacity.PASP carbamide strengthens
Later stage root system activity, has delayed leaf senile, has enhanced the photosynthetic capacity of anaphase blade.Table 1 may be seen
Go out, compare with common urea, PASP carbamide significantly improve sword-like leave, fall 2 leaves and 3 leaves unit are and
Single leaf photosynthetic rate, thus it is effectively increased single cave photosynthetic rate of 3 leaves.
The impact on pustulation period Rice Photosynthesis of the table 1 PASP carbamide
(2) two step fertilization methods, and topdress be placed on stem children's fringe first luxuriant former base differentiation the initial stage use, now execute
Fertilizer, just can be connected because of the most depleted need fertilizer vacancy of base manure, thus meet Later Stage of Rice booting,
Two need fertilizer peak times of heading, while reducing labour cost, improve the utilization ratio of fertilizer,
Saving of labor and efficiently between have found balance.From table 2 it can be seen that compared with four fertilisings of common urea, PASP
Nitrogenous fertilizer two step fertilization method mu increases production 50 kilograms.Compared with four fertilisings of PASP nitrogenous fertilizer, although volume variance is less,
But save the recruitment of twice fertilising, cost-effective about 100 yuan of mu.
The effect of table 2 PASP nitrogenous fertilizer two step fertilization method
Below in conjunction with instantiation, the application principle of the present invention is further described.
Within 2015, studying in Yang Xi town, Shehong County design dedicated experiments, EXPERIMENTAL DESIGN factor one is fertilizer kind
Class i.e. common urea and PASP Polypeptide nitrogen fertilizer；Factor two be fertilizer application frequency, i.e. base fertilizer together clear the most once, twice
Fertilising (base manure: topdress=1:1) and four suboptimization fertilising.Result shows (table 3), PASP Polypeptide nitrogen fertilizer
Can a certain degree of raising rice yield, there is potentiation.During PASP Polypeptide nitrogen fertilizer processes, secondary is executed
Fertile and four fertilisings can improve the effective fringe of unit are, thus improves yield, and secondary fertilising yield is slightly higher
Yu Sici applies fertilizer, and has again confirmed fertilizer practice of the present invention and can lose weight potentiation, has reduced labour cost simultaneously.
By the present invention in that and use PASP Polypeptide nitrogen fertilizer, and the optimum fertilizing time that drawn by research and ratio
Example, it is ensured that the plant most of nitrogen needed for each period of duration growth promoter, compare applied once,
Decreasing rate of fertilizer, improve utilization rate of fertilizer, compare four the application process economizations applied fertilizers scientifically
Required cost of labor of topdressing for 2 times, maintains higher utilization rate of fertilizer.
The impact on Yield and its components factor of table 3 fertilizer application frequency
(3) environment can be protected with decrement potentiation while ensureing grain security.Due to PASP carbamide with
Common urea is mixed to be executed, and has both met the hybrid paddy rice each growthdevelopmental stage demand to nutrient, has improve again fertilizer utilization
Efficiency, therefore compared with singly executing common urea, it is possible to reduce the consumption of fertilizer.According to result of the test (table 4),
In the case of enriching 15% on the basis of peasant's dose, although the effective fringe of unit are can be improved, but
Reduce grains per panicle, setting percentage and mass of 1000 kernel, do not significantly improve yield relative to original place reason.?
Subtracting in the case of executing 15%, its setting percentage exceeds respectively than peasant's conventional fertilizer application amount and the process enriching 15%
3.79%, 4.91%, although its yield is compared peasant's conventional fertilizer application amount and slightly reduced, but also can accept at high yield
Scope, and compared to comparison CK, output increased 23.77%.
Rice yield and composition under table 4 PASP carbamide Different Fertilization amount
The application principle of the present invention is further described by other main points below in conjunction with the present invention.
In potash fertilizer move, will 50% potash fertilizer as base manure, the potash fertilizer of 50% moves to topdress, i.e. with the present invention
Topdressing of nitrogenous fertilizer use together.This can't increase the number of times of fertilising, but because the Main Function of potash fertilizer is strong
Stalk, anti-fall, now use the growth just catching up with Oryza sativa L. basal internode, play its effect, help high yield.
Below in conjunction with example, the application principle of the present invention is further described.
2014,2015, two step potentiation of application PASP nitrogenous fertilizer are mixed excuted a law respectively in Qing Gang town, Shehong County
He Yangxi is demonstrated in town, and twice fertilising is by base manure: topdress=6:4, compares in four fertilisings and presses base fetilizer for tillering
Nitrogen: ear manuer nitrogen=5:5, base manure: tillering fertilizer=7:3, promote fertilizers for potted flowers: protect fertilizers for potted flowers=6:4.Demonstration result table
Bright (table 5), the mixed field yield of excuting a law of two step potentiation of PASP nitrogenous fertilizer is significantly higher than common urea field, and
The mixed field yield of excuting a law of two step potentiation, compared with four fertilizer treatment, adds 3%, and reduces twice and execute
Fertile cost of labor 100 yuan/mu, illustrates that PASP nitrogenous fertilizer two step potentiation mixes to excute a law to have Oryza sativa L. and increases production and improves productivity
Effect, can also reduce artificial input simultaneously, reduce cost.
Table 5 Shehong demonstration sheet expert checks and accepts situation
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (5)
1. the mixed applying method of a hybrid paddy rice PASP nitrogenous fertilizer, it is characterised in that the mixed applying method of this PASP nitrogenous fertilizer
For:
Common urea is replaced: utilize PASP carbamide to combine soil particle, in conjunction with cation with PASP urea moiety
Nutrient, by soil liquid transport to hybrid paddy rice root in soil, root system only absorbs nutrient, and PASP is again
Enter the feature of soil liquid transport nutrient, replace the common urea of 50-60% with PASP carbamide；
PASP carbamide is mixed with common urea science: utilizes nutrients release slowly and can maintain fertilising later stage hybrid paddy rice
The PASP carbamide with molecular sieving effect and the nutrients release of growth fast and can meet as early as possible apply fertilizer after hybrid paddy rice
The common urea that plant grows in time is used with, replaces executing for four times of common nitrogenous fertilizer high-yield fertilization method with two step fertilization methods
Fertile method；
Make the base manure used time, after nutrients release, meet the new root of rice shoot period of seedling establishment, young leaves and the needs of newborn tiller growth
Common urea account for 40%, it is provided that root system and the required nutrient of overground part growth during tillering regularity to plant jointing
PASP carbamide accounts for 60%；
When making ear manuer, needed for maintaining photosynthetic function for later stage root leaf, the PASP carbamide of nutrient accounts for 50%, for grain husk flower
The common urea of the required nutrient of differentiation accounts for 50%.
2. the mixed applying method of hybrid paddy rice PASP nitrogenous fertilizer as claimed in claim 1, it is characterised in that described PASP
Carbamide is in urea synthesis process, i.e. uniformly adds poly-aspartate before pelletize, forms poly-aspartate and urine
The PASP carbamide that element uniformly merges, nitrogenous ratio 46%.
3. the hybrid paddy rice PASP nitrogen in the mixed applying method of a hybrid paddy rice PASP nitrogenous fertilizer as claimed in claim 1
Fertile using method, it is characterised in that the using method of this hybrid paddy rice PASP nitrogenous fertilizer includes:
The first step, by the 50%-60% of the nitrogenous fertilizer needed for the time of infertility, by the mixed applying method of hybrid paddy rice PASP nitrogenous fertilizer
In the mixed fertilizer of PASP carbamide and common urea, behind rotation field for the first time, be uniformly sprinkled into Tanaka, the most again
Rotation field once, makes loam melt mutually；
Second step, using the nitrogenous fertilizer of remaining 40%-50% as topdressing, at the beginning of the luxuriant former base of stem children's fringe first breaks up
Phase presses the mixed fertilizer applying of the PASP carbamide in the mixed applying method of hybrid paddy rice PASP nitrogenous fertilizer and common urea, this
Time stem still have 3.5 leaves there is no stretching as field intuitive judgment standard.
4. the using method of hybrid paddy rice PASP nitrogenous fertilizer as claimed in claim 1, it is characterised in that described
Stem still has 3.5 leaves not have the stretching as field intuitive judgment standard method to be:
When specifically observing, first clear and definite certain kind number of blade that stem is total under certain ecological zone, the most before administration
The blade being had been pumped out by labelling record, is deducted with total leaf number and extracts blade out, and number of results is 3.5 leaves
Time this Term Fertilization just period, meanwhile, when using, note observing blade and blade color, with downward from top
3rd leaf and the 4th leaf contrast, if the 4th leaf color is light in the 3rd leaf, then press design flow fertilising；
If the 4th leaf color is identical or slightly deep with the 3rd leaf, then halves and use.
5. the judgement PASP carbamide of the mixed applying method of the hybrid paddy rice PASP nitrogenous fertilizer that one kind utilizes described in claim 1
Strengthen later stage photosynthetic capacity method, it is characterised in that this judge PASP carbamide strengthen later stage photosynthetic capacity method as:
By pustulation period common urea and PASP carbamide to sword-like leave, fall 2 leaves and the unit are of 3 leaves and single leaf light
The contrast closing speed carries out judging that PASP carbamide strengthens later stage photosynthetic capacity.
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| CN111466268A (en) * | 2020-05-26 | 2020-07-31 | 扬州大学 | High-yield high-quality simplified fertilization method for preventing rice from premature senility in yellow river old sidewalk region |
| CN115259959A (en) * | 2022-07-10 | 2022-11-01 | 四川农业大学 | Special polypeptide synergistic fertilizer for hybrid indica rice in long-ear period and unmanned aerial vehicle accurate fertilization method thereof |
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| CN111466268A (en) * | 2020-05-26 | 2020-07-31 | 扬州大学 | High-yield high-quality simplified fertilization method for preventing rice from premature senility in yellow river old sidewalk region |
| CN111466268B (en) * | 2020-05-26 | 2022-06-24 | 扬州大学 | High-yield high-quality simplified fertilization method for preventing rice from premature senility in yellow river old sidewalk region |
| CN115259959A (en) * | 2022-07-10 | 2022-11-01 | 四川农业大学 | Special polypeptide synergistic fertilizer for hybrid indica rice in long-ear period and unmanned aerial vehicle accurate fertilization method thereof |
| CN115259959B (en) * | 2022-07-10 | 2023-12-12 | 四川农业大学 | Special polypeptide synergistic fertilizer for hybrid indica rice in long spike period and unmanned aerial vehicle precise fertilization method |
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