CN104529630A - Mixing synergist capable of improving utilization rate of rice fertilizer, and use method of mixing synergist - Google Patents
Mixing synergist capable of improving utilization rate of rice fertilizer, and use method of mixing synergist Download PDFInfo
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- CN104529630A CN104529630A CN201410788174.9A CN201410788174A CN104529630A CN 104529630 A CN104529630 A CN 104529630A CN 201410788174 A CN201410788174 A CN 201410788174A CN 104529630 A CN104529630 A CN 104529630A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/40—Fertilisers incorporated into a matrix
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
Abstract
The invention discloses a mixing synergist capable of improving the utilization rate of a rice fertilizer, and a use method of the mixing synergist, relating to the technical field of fertilizers used by rice planting. The mixing synergist is prepared by the following raw materials in parts by weight: 1-3 parts of a urease inhibitor, 1-2 parts of a long-acting compound fertilizer additive, 0.5-1.2 parts of a synergist, and 0.5-1 part of nano carbon. The mixing synergist has the characteristics of improving the utilization rate of the rice fertilizer and the grain yield, reducing the flow rate of nitrogen and phosphorus of a farmland to a water body and soil, and controlling the agricultural non-point source pollution generated by the farmland from the source and the like. The mixing synergist capable of improving the utilization rate of the rice fertilizer provided by the invention is a mixing synergist capable of improving the utilization rate of the rice fertilizer and reducing the nitrogen and phosphorus loss, and is suitable for being applied in early and late rice planting.
Description
Technical field
The present invention relates to the technical field of fertilizers that Rice Cropping is used, particularly a kind of synergistic blend agent and using method thereof improving paddy rice utilization rate of fertilizer.
Background technology
China is a country had a large population and a few land, and people-ground contradiction is serious, emphasizes high crop yield for a long time always, and its raising crop always produces the mode often through improving rate of fertilizer application and multiple crop index.According to statistics, China is chemical fertilizers production maximum in the world and the country of use, year applying quantity of chemical fertilizer be 5,700 ten thousand tons (pure degree), account for 35% of world's total amount.Calculate (multiple crop index is by 120%) by national cultivated area, chemical fertilizer on average every mu of consumption is 18.5kg, is 2.8 times of world average level.And the absorption rate of China's nitrogenous fertilizer and the Agronomic Use Efficiency are all lower than world average level, utilization rate of nitrogen fertilizer is only 30%-35%, 15-20 percentage point lower than developed country.A large amount of unemployed fertilizer not only causes the wasting of resources, also creates serious environmental pollution, constitutes serious threat to the Sustainable development of China's agricultural and the living environment of the mankind.
Paddy rice is the most important food crop of China, rice yield account for that national cereal always produces more than 40%.The double rice cropping system Monitoring of Paddy Rice Plant Areas in about 60%, 2012 that China's double cropping of rice cultivated area accounts for Monitoring of Paddy Rice Plant Area reach 1258.24 ten thousand hectares, and output reaches 7535.73 ten thousand tons.The continuous cropping cropping pattern that double rice cropping system is long-term, makes its multiple crop index higher, and fertilizer amount is comparatively large, causes utilization rate of fertilizer low and causes the destruction of a series of ecotope.
The method of the raising utilization rate of fertilizer that research is more has both at home and abroad at present: (1) is real-time, Site-Specific Nitrogen management.Plant leaf is inserted the photosensitive rear reading chlorophyll test value (leaf colour) of chlorophyll meter measurement site, according to the leaf colour of the relation determination nitrogen diagnosis with plant nitrogen content, thus infer crop nitrogen content, this process is fairly simple, but also have his limitation, because it can only detect the zonule of about 2 × 3mm at every turn, and the sample that it is tested is limited point, therefore in monoblock field, nitrogen content can only lean on these test point to make a rough approximation.(2) slowly/controlled releasing fertilizer.Various mechanism is adopted to control common fertilizer is water-soluble, by carrying out modification to fertilizer itself, effectively delay or control the release of fertilizer nutrient, make to match fertilizer nutrient time of releasing and intensity and crop nutrition content absorbing rule (or substantially identical).But the research and development of current Chinese slowly/controlled releasing fertilizer is also in the infancy, and portion of techniques is reached advanced world standards, but integral level is far from reaching external peer-level.Also relatively weak in support equipment exploitation, the slow release fertilizer that China produces at present can't solve the difficult problem that release matches with crop demand well, do not reach the index of automatic control slow release, technology content is lower, in addition slowly/controlled releasing fertilizer price is far away higher than common fertilizer, be difficult to for peasant accepts, so be difficult to promote aborning.(3) Site specific nutrient management.According to soil regime and the regulation of fertilizer requirement of plant growth, carry out throwing in good time, in appropriate amount fertile, meet the fertilizer demand of crop different times, reach higher economic benefit with minimum fertilizers input, thus improve chemical fertilizer utilization ratio, improve agroecological environment.Chinese agriculture weak foundation, rural poverty, within quite long period, remain small peasant economy account for leading composition, it is inapplicable in China that this feature determines external existing technology, must explore the accurate farmland nutrient management mode being applicable to China.(4) urease inhibitor and nitrification inhibitor.Urease inhibitor, by delaying the hydrolysis of urea, extends the diffusion time of fertilising point place urea, thus reduces NH in the soil solution
4 +and NH
3 -concentration, the volatilization loss of ammonia can be reduced.Nitrification inhibitor is combined with nitrogenous fertilizer and suppresses NH
4 +to NO
2 -and NO
3 -conversion, reduce NO
3 -leaching loss, also can suppress the NO because nitrification and denitrification produce
2the generation of gas, reduces leaching and the volatilization loss of nitrogen, improves utilization rate of nitrogen fertilizer.Independent urease inhibitor or nitrification inhibitor can only play restraining effect to a certain process of urea-N transformation, differ and give full play to its potentiality surely.
Two or more inhibitor synergy can control whole process, thus more effectively reduces NO
3 -volatilization and NO
3the leaching loss of-N, improve utilization rate of fertilizer, many results of study confirm this point.Burnt twilight, Chen Zhenhua, Chen Lijun research are pointed out, HQ (quinhydrones)+DCD (Dyhard RU 100) combines and is used alone compared with HQ, DCD, ECC (nitrification inhibitor bag is carbonized calcium) or NBPT (N-NBPT), HQ+DCD combination more effectively can reduce soil urease liveness, suppress the oxidation of hydrolysis of urea product, make it with exchange state NH
4 +form longer time in soil hold and stay.The suppression of oxygenizement not only reduces oxidation products NO
3-accumulation, also reduce NO
3-leaching potentiality, make its degree of depth of drenching lower soil only within the scope of 5 ~ 10cm.The total available nitrogen of soil can also be increased, increase absorbed nitrogen by crop amount.Also have scholar report, HQ+DCD Combination application in paddy ecosystem, N
2o and CH
4quantity discharged reduces 1/3 and 1/2 than using HQ and DCD respectively.And for urease inhibitor, composite inhibitor, nano-sized carbon and nitrogen fertilizer potentiating agent compounding application, be not reported so far, be still worth further research and perfect.
Chinese patent (application number 201210202938.2) disclosed " a kind of Fertilizer slow-release synergistic agent and preparation method thereof ", each component raw material is by mass percentage: poly-aspartic-acid and its esters 0.1% ~ 20%, urease inhibitor 0.1% ~ 10%, nitrification inhibitor 0.1% ~ 30%, plant-growth amendment 0.03% ~ 5%, soil conditioner 10% ~ 35% and carrier 10% ~ 80%; The Fertilizer slow-release synergistic agent of this invention is mainly used in the sustained-release synergistic of composite fertilizer, improves the utilization ratio of fertilizer, and effectively can improve soil, soil moisture conservation; During use, Fertilizer slow-release synergistic agent together joined charging system with chemical fertilizer raw material or added in coating cylinder, mixing, can reach the effect of sustained-release synergistic with fertilizer, the consumption of Fertilizer slow-release synergistic agent is fertilizer 4 ~ 8kg per ton.Another Chinese patent (application number 201210154724.2) disclosed " a kind of charcoal base fertilizer synergist and application thereof ", its raw material packet is containing the composition of following part by weight: powdered carbon 50 ~ 70, humic acids 5 ~ 15, the inhibitor 2 ~ 5 of urease inhibitors and nitrification inhibitor mixing, micro-fertile 10 ~ 20, Acidic Bentonite or clay 5 ~ 10; This invention selects biological particles charcoal to be medium carrier, and its production technique is simple, and raw material is easy to get, with low cost; Charcoal has extremely strong adsorptivity, water-retentivity and heating property of extinction, and it is except using as carrier, or well ammonia stablizer and soil improvement agent; Not only can hold fertilizer slow-release after being manured into soil, and alleviate drought and water shortage, low temperature to a certain extent to the impact of crop growth; Not only can improve utilization rate of fertilizer, and environmentally friendly, safety and environmental protection; Can effectively improve nitrogenous fertilizer, phosphate fertilizer utilization efficiency, reduce fertilizer loss, nitrogen application can be alleviated to the pollution of water body and Greenhouse effect simultaneously, reduce the nitrate nitrogen content in agricultural-food, ensure food safety production.
Summary of the invention
The object of the present invention is to provide one can improve paddy rice utilization rate of fertilizer and grain yield, farmland nitrogen phosphorus nutrient can be reduced again and flow in water body and soil, the synergistic agent of the widespread pollution from the overuse of fertilizers and pesticides in rural area produced from Sources controlling farmland.
The technical solution used in the present invention is a kind of synergistic blend agent improving paddy rice utilization rate of fertilizer of invention, is be prepared from by the raw material of following weight part:
Urease inhibitor 1-3 durable composite fertilizer additive 1-2 synergistic agent 0.5-1.2 nano-sized carbon 0.5-1.
Described synergistic agent is the fertile essence of multidimensional or poly aspartic acid.
Described urease inhibitor is the quinhydrones (that is: Resorcinol) in phenol quinones, the one in pyrocatechol, or the ring ethylphosphoric acid triamide in phosphamidon class, or containing N base and containing the one in the thiopyridine class in O group heterocyclic class.
Described durable composite fertilizer additive is NAM (being developed by Shenyang Inst. of Applied Ecology, Chinese Academy of Sciences).
Its technical scheme one optimized is prepared from by the raw material of following weight part:
Urease inhibitor 1 durable composite fertilizer additive 2 synergistic agent 0.5 nano-sized carbon 1.
Its technical scheme two optimized is prepared from by the raw material of following weight part:
Urease inhibitor 3 durable composite fertilizer additive 1 synergistic agent 1.2 nano-sized carbon 0.5.
Its technical scheme three optimized is prepared from by the raw material of following weight part:
Urease inhibitor 2 durable composite fertilizer additive 1.6 synergistic agent 0.85 nano-sized carbon 0.65.
Meanwhile, also provide a kind of using method improving the synergistic blend agent of paddy rice utilization rate of fertilizer, that is: the nitrogenous fertilizer being 100 weight parts by above-mentioned prepared synergistic blend agent and pure nitrogen level mixes, and becomes mixing nitrogenous fertilizer, then uses according to a conventional method.
In the present invention, in described nitrogenous fertilizer, as required, phosphate fertilizer or potash fertilizer can be included, or phosphate fertilizer and potash fertilizer, or other fertilizer, but during calculated weight part with pure nitrogen level for calculating basis.
The invention has the advantages that:
(1), the present invention by synergistic agent (multidimensional fertile essence, poly aspartic acid etc.), [phenol quinones, as quinhydrones (that is: Resorcinol), pyrocatechol etc. for urease inhibitor; Phosphamidon class, as ring ethylphosphoric acid triamide etc.; Containing N base and the heterocyclic containing O group, as thiopyridine class etc.], durable composite fertilizer additive (NAM, developed by Shenyang Inst. of Applied Ecology, Chinese Academy of Sciences, a kind of additive integrating urease inhibitor, nitrification inhibitor, phosphorus activating agent) and nano-sized carbon (particle diameter is as 5-80nm, median size is 40nm, and purity is 99%; It is a kind of carbon modified, the features such as low, non-conductive, the strong adsorptivity of burning-point, overactivity) by reasonable assembly, give full play to the potentiality of nitrogen fertilizer potentiating agent and inhibitor, all right activating soil nutrient simultaneously, strengthen the ability that adsorption by soil keeps nutrient, reduce the loss of nutrient.
(2), synergistic blend agent of the present invention is to the raising utilization rate of fertilizer of double cropping paddy rice and the works very well of grain yield, synergy process can improve rice grain output more than 8.3% relative to there being fertile control treatment, nitrogen, potassium utilization rate improve more than 7.1 percentage points, and phosphate fertilizer utilization efficiency improves more than 4.0 percentage points.
(3), synergistic blend agent of the present invention greatly can reduce farmland nitrogen phosphorus nutrient loss, synergy process relative to there being fertile control treatment can reduce nitrogen, phosphorus nutrient loss rate is respectively more than 41% and 30%, alleviates the pollution of area source that agricultural is brought from source.Because synergistic blend agent of the present invention can impel rice plant to absorb more nutrients, flow into the nitrogen phosphorus nutrients loss in environment, cause the risk of widespread pollution from the overuse of fertilizers and pesticides in rural area also to diminish.
The synergistic blend agent of raising paddy rice utilization rate of fertilizer of the present invention, once carried out repeatedly synergism test.
Test one:
This is tested and carries out in Yonghe County town, Liuyang City of Hunan Province in the 3-7 month in 2014.
For the basic Agrochemical characters of examination soil: the content of organic, full nitrogen, full phosphorus, full potassium is respectively 12.39g/kg, 1.50g/kg, 0.12g/kg, 9.59g/kg, the content of alkali-hydrolyzable nitrogen, available phosphorus, available potassium is respectively 122.76mg/kg, 18.14mg/kg, 96.00mg/kg, pH value 6.35.
For examination rice varieties: middle morning 39.
For examination synergistic agent: the fertile essence of multidimensional (multidimensional cereal company produces, multidimensional trace element water-soluble fertilizer, and net weight 600g/ wraps, Ministry of Agriculture's registration card number: agriculture fertilizer faces No. 35, word), urease inhibitor: (Resorcinol, chemical formula is C to quinhydrones
6h
6o
2c
6), durable composite fertilizer additive: NAM (Shenyang Inst. of Applied Ecology, Chinese Academy of Sciences's development) and nano-sized carbon (particle diameter is 5-80nm, and median size is 40nm, and purity is 99%).
Field plot trial, plot area 20m
2(4m × 5m), each minizone ridge (on ridge epiphragma) separates, and 3 process are established in test:
A: (Chemical Mixed Fertilizer, consumption is 600kg/hm fertile contrast
2);
B: (Chemical Mixed Fertilizer, consumption is 600kg/hm in synergy process
2)+multidimensional fertile essence (0.85% mixture by pure nitrogen level)+quinhydrones (2% mixture by pure nitrogen level)+NAM (1.6% mixture by pure nitrogen level)+nano-sized carbon (0.65% mixture by pure nitrogen level);
C: without fertile contrast (not using any fertilizer, in the result only for the calculating of utilization rate of fertilizer);
Repeat for three times, random district group arranges, and transplanting density is 20cm × 20cm, and in district's group, soil fertility is consistent, and surrounding arranges protection row.
It is 8kg/ mu that early rice executes pure nitrogen level, uses base manure when ploughing, after transplanting the 9th day topdress (tillering fertilizer), and base manure: topdress=6:4 uses.Synergistic blend agent fertilization mode is, base manure: tillering fertilizer=6:4, i.e. base manure: the fertile essence of multidimensional, quinhydrones, NAM, nano-sized carbon consumption are respectively 40.8g/ mu, 96.0g/ mu, 76.8g/ mu, 31.2g/ mu, are manured into soil before turning over nitrogenous fertilizer after fully mixing; Tillering fertilizer: the fertile essence of multidimensional, quinhydrones, NAM, nano-sized carbon consumption are respectively 27.2g/ mu, 64.0g/ mu, 51.2g/ mu, 20.8g/ mu, is spread fertilizer over the fields after fully being mixed by the method for machinery and Chemical Mixed Fertilizer.
Test-results, in Table 1-3, as shown in Table 1, contrasts relative to there being fertilizer, synergy process has spike length, the effective fringe of individual plant, number of grain per ear and setting percentage and slightly improves, but significantly improve early rice thousand seed weight, control treatment thousand seed weight only 28.48g, and the thousand seed weight of synergy process reaches 30.39g.Synergy process also increases significantly to early rice grain yield, and the grain yield of control treatment and synergy process is respectively 5039.80 and 5484.55kg/hm
2, relative to control treatment, synergy process units increased in production is 422.63kg/hm2, and stimulation ratio is up to 8.39%.
Table 1: synergy process is on the impact of yield and its component
As shown in Table 2, relative to control treatment, synergy process can significantly improve the utilization rate of fertilizer of nitrogen, phosphorus, potash fertilizer, the nitrogen of fertile control treatment, phosphorus, potassium utilization rate is had to be respectively 27.20,14.47,39.19%, and the nitrogen of synergy process, phosphorus, potassium utilization rate are respectively 35.12,18.47,46.40%, improve 7.92,4.00,7.20 percentage points respectively relative to control treatment nitrogen, phosphorus, potassium utilization rate, synergy is remarkable.
Table 2: synergy process is on the impact (%) of utilization rate of fertilizer
Illustrate: adopt minusing to calculate utilization rate of fertilizer, because the control treatment not executing any fertilizer has been established in test, its nutrition absorption value is not far below executing a certain soil fertility quality, and the utilization ratio of a certain fertilizer obtained is all higher, but do not affect between process and compare.Grain yield wherein without fertile process (C) is 3762.00kg/hm
2, unlisted in table, only to use in the calculating of utilization rate of fertilizer.
As shown in Table 3, synergy process can obviously reduce N and P losses amount, and have fertile contrast and synergy process every mu of nitrogen discharge amount to be respectively 0.84 and 0.45kg, phosphorus loss amount is respectively 0.025 and 0.016kg.Relative to control treatment, synergy process every mu can reduce N and P losses amount and be respectively 0.39 and 0.010kg, and loss decrement is respectively 46.03 and 38.16%.
Table 3: synergy process is on the impact of N and P losses
Test two:
This early rice tested in the 7-11 month in 2014 in Yonghe County town, Liuyang City of Hunan Province experimental field carries out.
For the examination basic Agrochemical characters of soil and the same early rice of synergistic blend agent.
For examination rice varieties: the excellent China in sky accounts for.
Field plot trial, plot area 20m
2(4m × 5m), each minizone ridge (on ridge epiphragma) separates, and 3 process are established in test:
A: (Chemical Mixed Fertilizer, consumption is 750kg/hm fertile contrast
2);
B: (Chemical Mixed Fertilizer, consumption is 750kg/hm in synergy process
2)+multidimensional fertile essence (0.85% mixture by pure nitrogen level)+quinhydrones (2% mixture by pure nitrogen level)+NAM (1.6% mixture by pure nitrogen level)+nano-sized carbon (0.65% mixture by pure nitrogen level);
C: the fertile contrast of nothing (do not use any fertilizer, but in the result only for the calculating of utilization rate of fertilizer);
Repeat for three times, random district group arranges, and transplanting density is 20cm × 20cm, and in district's group, soil fertility is consistent, and surrounding arranges protection row.
It is 10kg/ mu that late rice executes pure nitrogen level, uses base manure when ploughing, after transplanting the 9th day topdress (tillering fertilizer), and base manure: topdress=6:4 uses.Synergistic blend agent fertilization mode is, base manure: the fertile essence of multidimensional, quinhydrones, NAM, nano-sized carbon consumption are respectively 40.0g/ mu, 120.0g/ mu, 96.0g/ mu, 39.0g/ mu, are manured into soil before turning over nitrogenous fertilizer after fully mixing; Tillering fertilizer: the fertile essence of multidimensional, quinhydrones, NAM, nano-sized carbon consumption are respectively 26.7g/ mu, 80.0g/ mu, 64.0g/ mu, 26.0g/ mu, spread fertilizer over the fields after fully mixing with Chemical Mixed Fertilizer.
Test-results in Table 4-6, as shown in Table 4, relative to there being fertile control treatment, synergy process has spike length, the effective fringe of individual plant, number of grain per ear and setting percentage and slightly improves, simultaneously can obvious late rice thousand seed weight, there is fertile to contrast and the thousand seed weight of synergy process is respectively 30.54g and 31.81g, successful.Synergy process also increases significantly to late rice grain yield, has the grain yield of fertile control treatment and synergy process to be respectively 6029.68 and 6603.30kg/hm
2, relative to there being fertile contrast, the units increased in production of synergy process is 573.62kg/hm2, and stimulation ratio is up to 9.51%.
Table 4: synergy process is on the impact of yield and its component
As shown in Table 5, the azophoska utilization ratio of late rice increases relative to early rice, synergy process is relative to the utilization rate of fertilizer having fertile control treatment can significantly improve nitrogen, phosphorus, potash fertilizer, the nitrogen of fertile control treatment, phosphorus, potassium utilization rate is had to be respectively 30.81,17.64,40.03%, and the nitrogen of synergy process, phosphorus, potassium utilization rate are respectively 37.94,22.21,48.15%, synergy process improves 7.13,4.57,8.12 percentage points respectively relative to having the nitrogen of fertile control treatment, phosphorus, potassium utilization rate, and synergy is remarkable.
Table 5: synergy process is on the impact (%) of utilization rate of fertilizer
Illustrate: adopt minusing to calculate utilization rate of fertilizer, because the control treatment not executing any fertilizer has been established in test, its nutrition absorption value is not far below executing a certain soil fertility quality, and the utilization ratio of a certain fertilizer obtained is all higher, but do not affect between process and compare.Grain yield wherein without fertile process (C) is 4014.58kg/hm
2, unlisted in table, only to use in the calculating of utilization rate of fertilizer.
As shown in Table 6, synergy process can obviously reduce N and P losses amount, and have fertile contrast and synergy process every mu of nitrogen discharge amount to be respectively 0.83 and 0.49kg, phosphorus loss amount is respectively 0.016 and 0.011kg.Relative to control treatment, synergy process every mu can reduce N and P losses amount and be respectively 0.35 and 0.005kg, and loss decrement is respectively 41.60 and 30.61%.
Table 6: synergy process is on the impact of N and P losses
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.Explanation below adopts the mode exemplified, but protection scope of the present invention should not be limited to this.
Embodiment one:
Get quinhydrones 1 part, NAM2 part, the fertile essence of multidimensional 0.5 part, nano-sized carbon 1 part by weight respectively, mix, become the synergistic blend agent of raising paddy rice utilization rate of fertilizer of the present invention.
During use, the nitrogenous fertilizer being 100 weight parts by above-mentioned prepared synergistic blend agent and pure nitrogen level mixes, and becomes mixing nitrogenous fertilizer, then uses according to a conventional method.
Embodiment two:
Get quinhydrones 3 parts, NAM1 part, the fertile essence of multidimensional 1.2 parts, nano-sized carbon 0.5 part by weight respectively, mix, become the synergistic blend agent of raising paddy rice utilization rate of fertilizer of the present invention.
During use, the nitrogenous fertilizer being 100 weight parts by above-mentioned prepared synergistic blend agent and pure nitrogen level mixes, and becomes mixing nitrogenous fertilizer, then uses according to a conventional method.
Embodiment three:
Get quinhydrones 2 parts, NAM1.6 part, the fertile essence of multidimensional 0.85 part, nano-sized carbon 0.65 part by weight respectively, mix, become the synergistic blend agent of raising paddy rice utilization rate of fertilizer of the present invention.
During use, the nitrogenous fertilizer being 100 weight parts by above-mentioned prepared synergistic blend agent and pure nitrogen level mixes, and becomes mixing nitrogenous fertilizer, then uses according to a conventional method.
The synergistic blend agent of raising paddy rice utilization rate of fertilizer of the present invention is a kind of synergistic blend agent improving paddy rice utilization rate of fertilizer and reduce nitrogen phosphorus nutrient loss, uses when being applicable to morning, late rice plantation.
Claims (8)
1. improve a synergistic blend agent for paddy rice utilization rate of fertilizer, it is characterized in that being prepared from by the raw material of following weight part:
Urease inhibitor 1-3 durable composite fertilizer additive 1-2 synergistic agent 0.5-1.2
Nano-sized carbon 0.5-1.
2. improve the synergistic blend agent of paddy rice utilization rate of fertilizer according to claim 1, it is characterized in that: described synergistic agent is the fertile essence of multidimensional or poly aspartic acid.
3. improve the synergistic blend agent of paddy rice utilization rate of fertilizer according to claim 2, it is characterized in that: described urease inhibitor is the quinhydrones in phenol quinones, the one in pyrocatechol, or the ring ethylphosphoric acid triamide in phosphamidon class, or containing N base and containing the one in the thiopyridine class in O group heterocyclic class.
4. improve the synergistic blend agent of paddy rice utilization rate of fertilizer according to claim 3, it is characterized in that: described durable composite fertilizer additive is NAM.
5. improve the synergistic blend agent of paddy rice utilization rate of fertilizer according to claim 4, it is characterized in that being prepared from by the raw material of following weight part:
Urease inhibitor 1 durable composite fertilizer additive 2 synergistic agent 0.5
Nano-sized carbon 1.
6. improve the synergistic blend agent of paddy rice utilization rate of fertilizer according to claim 5, it is characterized in that being prepared from by the raw material of following weight part:
Urease inhibitor 3 durable composite fertilizer additive 1 synergistic agent 1.2
Nano-sized carbon 0.5.
7. improve the synergistic blend agent of paddy rice utilization rate of fertilizer according to claim 6, it is characterized in that being prepared from by the raw material of following weight part:
Urease inhibitor 2 durable composite fertilizer additive 1.6 synergistic agent 0.85
Nano-sized carbon 0.65.
8. one kind is improved the using method of the synergistic blend agent of paddy rice utilization rate of fertilizer as described in any one of claim 1-7, it is characterized in that: the nitrogenous fertilizer being 100 weight parts by above-mentioned prepared synergistic blend agent and pure nitrogen level mixes, become mixing nitrogenous fertilizer, then use according to a conventional method.
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| CN106995358A (en) * | 2017-05-17 | 2017-08-01 | 贵州天宝丰原生态农业科技有限公司 | Fruits and vegetables Synergistic slow release composite fertilizer and preparation method thereof |
| CN107021800A (en) * | 2017-05-17 | 2017-08-08 | 贵州天宝丰原生态农业科技有限公司 | Compound fertilizer, preparation method and applications |
| 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 |
| CN110122228A (en) * | 2019-06-03 | 2019-08-16 | 江苏省农业科学院 | A method of it reducing rice field ammonia volatilization and improves nitrogen fertilizer for paddy rice utilization rate |
| CN111685000A (en) * | 2020-06-18 | 2020-09-22 | 山东农业大学 | Application of nitrogen synergist in agricultural field soil nutrient immobilization in wheat and corn rotation system |
| CN114208614A (en) * | 2021-12-16 | 2022-03-22 | 苏州新高塬生物科技有限公司 | Method for improving nitrogen utilization effectiveness of rice soil |
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| CN105110878A (en) * | 2015-07-24 | 2015-12-02 | 天津富里奇作物营养科技有限公司 | Nano-fertilizer pesticide synergist and preparation method |
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| CN110122228A (en) * | 2019-06-03 | 2019-08-16 | 江苏省农业科学院 | A method of it reducing rice field ammonia volatilization and improves nitrogen fertilizer for paddy rice utilization rate |
| CN111685000A (en) * | 2020-06-18 | 2020-09-22 | 山东农业大学 | Application of nitrogen synergist in agricultural field soil nutrient immobilization in wheat and corn rotation system |
| CN114208614A (en) * | 2021-12-16 | 2022-03-22 | 苏州新高塬生物科技有限公司 | Method for improving nitrogen utilization effectiveness of rice soil |
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