CN102050672A - BB fertilizer specially used for rice and containing microelement fertilizer, preparation method and application thereof - Google Patents
BB fertilizer specially used for rice and containing microelement fertilizer, preparation method and application thereof Download PDFInfo
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Abstract
The invention discloses a BB fertilizer specially used for rice and containing microelement fertilizer, a preparation method and an application thereof. The BB fertilizer specially used for rice has a grain structure formed by covering a layer of microelement fertilizer on the external of the grain of the basic fertilizer with the nitrogen, phosphorus and potassium contents meeting the standard of the BB fertilizer, wherein the mass of the basic fertilizer is 97-99% of that of the BB fertilizer specially used for rice and the mass of the microelement fertilizer is 1-3% of that of the BB fertilizer specially used for rice. The preparation method provided by the invention comprises the steps of: firstly, preparing the basic fertilizer with the nitrogen, phosphorus and potassium contents meeting the standard of the BB fertilizer, preparing the microelement fertilizer, and spraying the microelement fertilizer onto the surface of the grain of the basic fertilizer to acquire the BB fertilizer specially used for rice and containing microelement fertilizer. The BB fertilizer specially used for rice has a reasonable nutrient proportion, not only contains sufficient nitrogen, phosphorus and potassium contents, but also contains the microelements which are particularly required by the rice and are insufficient in soil, therefore, the stress resistance of the rice can be enhanced, the pest resistance capability of the rice is increased and the quality of the rice is also obviously increased.
Description
Technical field
The present invention relates to technical field of fertilizers, relate in particular to a kind of paddy rice tailored version BB fertilizer that adds little fertilizer and preparation method thereof and application.
Background technology
Paddy rice is one of mankind's staple food crop of depending on for existence, and it is bringing up nearly half the population (2,500,000,000) in the whole world, occupies an important position in human existence and development.Whole world rice growing area accounts for 23% of cereal sown area, 29% of ultimate production.Along with Increase of population, expect 2025, the population that the whole world relies on the rice life will increase to 3,500,000,000.At present, China is maximum in the world rice production and consumption state.The population staple food rice of China more than 60%.Whole nation rice growing area accounts for 20% of world's sown area, and output accounts for more than three one-tenth of world's paddy ultimate production, ranks first in the world.Chinese paddy ultimate production in 2009 is estimated to reach 1.95 hundred million tons, and this staple food supply for China provides safety assurance, and paddy rice yield per unit and the rice quality main task as Rice Production also will improve always in China simultaneously.
Fertilizer plays crucial effects in rice cropping.According to statistics, the production-increasing function of fertilizer accounts for 40%～60% in the crop yield factor.Except the kind factor, using of fertilizer is the important factor that influences rice quality.Paddy growth except the needs macroelement, outside N, P, K, S, Ca, Mg etc., also needs some trace elements between breeding time, though requirement is few, also is indispensable, and it directly influences anti-adversity ability and output and the rice quality etc. of paddy rice.Paddy rice " lacks little " can make paddy growth bad, and output reduces, and sickness rate increases, attacked by disease and pest, pesticide dosage is increased, the contaminated risk of production cost and environment increases, even that uses capacity executes N, P, K nutritive element, can not obtain good harvest.Because micronutrient element mainly obtains from the soil stock, often ignored by people, cause micronutrient element to lack or hidden hunger, in time replenish if can not obtain, with having a strong impact on the further raising with rice yield, quality given full play to of macronutrient, enrich trace element fertilizer and just seem very important.
In the development process of compoundization of chemical fertilizer, countries in the world are especially beautiful, add etc., and state all notices that BB fertilizer (full name is a bulk blended fertilizer in bulk) has that the nutrient prescription is adjustable flexibly, plurality of advantages such as cost is low, energy-conserving and environment-protective are greatly developed the fertile industry of BB.Special-purpose BB fertilizer is the optimal technology carrier of science balance fertilizing, can guarantee that agriculture production develops in a healthy way continually and steadily, is a megatrend of 21st century fertilizer development.Because the nutrients ratio of BB fertilizer can be prepared flexibly, become the optimal selection that China promotes the fertilization compositions based on earth measurement technology.It can be measuring on the basis of soil nutrient content, according to the different demands of Different Crop to various nutrients, and the prescription fertilizer of the formation crop special use of science.
At present, though domestic fertilizer enterprise has also added middle trace element in BB fertilizer, but the overwhelming majority adds by secondary processing technology granulation again, the micro-effect that is subject to " acid, alkali, heat " in the fertilizer course of processing reacts and lost efficacy, the fertilizer cost of Zeng Jiaing not only, cause the consumption of the energy and the waste of resource, also increased the carbon emission of environment.Developed country's majority is to utilize organic sequestering agents such as EDTA, citric acid to keep the validity of micro-effective constituent.But this technical costs costliness has increased agriculture input cost, and China is difficult to big area and promotes the use of.Therefore, be badly in need of solving the validity problem that in the fertile production process of China BB, adds micronutrient element.
Summary of the invention
Primary goal of the invention of the present invention is the fertile deficiency of adding little fertilizer technology at BB in the Rice Production in the prior art, utilize the physics miscibility of the fertile production technique of special-purpose BB, according to southern different soils type, use the fertilization compositions based on earth measurement technology, through multiple spot test and demonstration checking, provide a kind of paddy rice tailored version BB fertilizer that adds little fertilizer.
Another goal of the invention of the present invention is to provide the preparation method of the paddy rice tailored version BB fertilizer of the little fertilizer of described interpolation.
A goal of the invention more of the present invention is to provide the application of the paddy rice tailored version BB fertilizer of the little fertilizer of described interpolation.
Purpose of the present invention is achieved through the following technical solutions: a kind of paddy rice tailored version BB fertilizer that adds little fertilizer, the structure of fertiliser granulates is for meeting the little fertilizer of fat substantially material particle outer wrap one deck of the fertile standard code of BB at nitrogen phosphorus potassium composition, wherein, the quality that nitrogen phosphorus potassium composition meets the basic fertilizer of the fertile standard code of BB be equivalent to add little fertilizer the fertile quality of paddy rice tailored version BB 97～99%, little fertilizer be equivalent to add little fertilizer the fertile quality of paddy rice tailored version BB 1～3%; Little fertilizer is grouped into by following one-tenth by mass percentage:
Trace compound 45～75%
Binding agent 10～40%
Spreader-sticker 10～30%
Promoting agent 1～10%.
The fertile standard code of described BB is preferably the regulation of standard GB 21633-2008;
Described trace compound is at least a compound that comprises in zinc (Zn), copper (Cu), boron (B), iron (Fe), molybdenum (Mo) or the manganese (Mn);
At least a in the preferred paraffin of described binding agent, natural rosin, water glass, kaolin, PVA treated starch or the molasses;
At least a in the preferred mineral oil of described spreader-sticker, organosilicon, eucalyptus oil, oil of cedar leaf, petitgrain oil, spearmint oil or the Oleum Tiglii;
At least a in the preferred tea saponin of described promoting agent, tween 80, agricultural newborn 1600# or the farm chemical emulgent 0201;
The preparation method of the paddy rice tailored version BB fertilizer of the little fertilizer of described interpolation comprises following steps:
(1) according to the nutrient content feature of BB fertilizer, by the different material fertilizer combinations that contain npk nutrient composite (such as urea, monoammonium phosphate, diammonium phosphate, Repone K, vitriolate of tartar etc. all kinds of all meet the fertilizer of the fertile preparation of BB), obtain nitrogen phosphorus potassium composition and meet the fertile substantially of the fertile standard code of BB;
(2) with the trace compound of mass percent 45～75%, the binding agent of mass percent 10～40%, the spreader-sticker of mass percent 10～30% and the promoting agent mixing of mass percent 1～10%,, obtain little fertilizer in 50～60 ℃ of homogenate;
(3) little fertilizer that step (2) is prepared is evenly being opened up the fat substantially material particle surface that is sprayed on step (1) preparation, obtains meeting the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation of the every index of the fertile standard (GB21633-2008) of BB; Wherein, basic fertilizer accounts for 97～99% of the fertile quality of paddy rice tailored version BB of adding little fertilizer, and little fertilizer accounts for 1～3% of the fertile quality of paddy rice tailored version BB of adding little fertilizer.
The fertile standard code of BB described in the step (1) is preferably the regulation of standard GB 21633-2008;
Step (3) more preferably changes basic fertilizer mixing in disk stirrer of 97～99% steps (1) preparation over to cylinder by mass percentage, little fertilizer that 1～3% step (2) is prepared is evenly being opened up and is being sprayed on fat substantially material particle surface again, obtains meeting the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation of the every index of the fertile standard (GB21633-2008) of BB.
The paddy rice tailored version BB fertilizer of the little fertilizer of described interpolation can be applicable to south rice production, can make base manure or the use of topdressing, basic usage quantity should be calculated according to nitrogenous (N) of the paddy rice tailored version BB fertilizer of preparing, whenever make for every mu and use N8～14kg, usage quantity can according to the paddy rice target output, force level, weather condition etc. suitably adjust.
The present invention has following advantage and effect with respect to prior art:
(1) the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation of the present invention is that rich scarce characteristics prescription according to the soils in south china trace element forms, and the nutrient reasonable ratio not only has competent N-P-K content, also contains soil and lacks the trace element that paddy rice is special procured.
(2) the paddy rice tailored version BB of the little fertilizer of interpolation of the present invention fertilizer is scientific formula, can strengthen the resistance of paddy rice, improves the diseases and insect pests resistance of paddy rice and significantly improves rice quality.
(3) preparation method of the present invention utilizes formulation flexibility, the physics miscibility of the fertile production technique of BB, comes by technological innovation is integrated, has little fat height, complete processing is simple, production cost is low characteristics of imitating.Little fertilizer that the present invention adds is the physics blending only, is adhered to the base fertilizer particle surface, improves its biological effectiveness greatly; And need not the mass consumption energy, help reducing the carbon emission of environment by secondary granulation.
Description of drawings
Fig. 1 is a preparation method's of the present invention schema.
Embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited thereto.
Embodiment 1
Add little fertilizer paddy rice tailored version BB fertilizer preparation process as shown in Figure 1, specifically be expressed as follows:
(1) basic fertile preparation:, (contain N 12%, P by urea (containing N 46%), diammonium phosphate according to the nutrient content feature of BB fertilizer
2O
545%) and Repone K (contain K
2O 60%) to press 47kg, 15.9kg, 34.1kg combination respectively composite, N-P in the basic fertilizer that obtains
2O
5-K
2The O nutrient is for meeting 23-7-20 (be nitrogenous 23%, phosphorous 7%, contain potassium 20%, NPK content 50%); Basic fertile particle grain size is 2～4mm.
(2) preparation of little fertilizer: with 0.75kg borax (Na
2B
4O
5(OH)
48H
2O) and 0.75kg zinc sulfate (ZnSO
4) be mixed, again with 0.90kg binding agent [paraffin 0.45kg, PVA treated starch (North China oil Hong Tai Fine Chemical Co., Ltd) 0.45kg], 0.30kg spreader-sticker (mineral oil 0.10kg, Oleum Tiglii 0.20kg) and 0.30kg promoting agent [tea saponin 0.05kg, tween 80 0.10kg, the newborn 1600# of farming (triphen ethylphenol polyoxyethylene/polyoxy third rare block polymer, Guangzhou sword board means of agricultural production Chemical Industry Science Co., Ltd) 0.10kg, farm chemical emulgent 0201 (the modest and amiable chemical industry in Nantong City company limited) 0.05kg] abundant mixing, reaction 5min, 60 ℃ of homogenate (promptly having formed uniform suspension) obtain little fertilizer;
(3) preparation of the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation: change basic fertilizer mixing in disk stirrer of 97kg step (1) preparation over to cylinder, again the little fertilizer of step (2) preparation 3kg is evenly being opened up and be sprayed on fat substantially material particle surface, cooling, obtain product, promptly add the paddy rice tailored version BB fertilizer of little fertilizer.
(4) according to GB21633-2008 the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation of present embodiment preparation is carried out quality inspection, the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation of present embodiment preparation meets the requirement of every index.
Embodiment 2
(1) basic fertile preparation: with embodiment 1 step (1);
(2) preparation of little fertilizer: with 0.60kg borax (Na
2B
4O
5(OH)
48H
2O) and 0.75kg zinc sulfate (ZnSO
4) be mixed, again with the abundant mixing of 0.90kg binding agent (paraffin 0.30kg, water glass 0.20kg, PVA treated starch 0.40kg), 0.72kg spreader-sticker [organosilicon (commercially available organic silicon modified by polyether oxygen alkane) 0.22kg, eucalyptus oil 0.50kg] and 0.03kg promoting agent (tween 80 0.02kg, agricultural newborn 1600#0.01kg), reaction 20 minutes, 50 ℃ of homogenate obtain little fertilizer;
(3) preparation of the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation: change basic fertilizer mixing in disk stirrer of 97kg step (1) preparation over to cylinder, again the little fertilizer of step (2) preparation 3kg is evenly being opened up and be sprayed on fat substantially material particle surface, cool off, obtain adding the paddy rice tailored version BB fertilizer of little fertilizer.
(4) according to GB21633-2008 the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation of present embodiment preparation is carried out quality inspection, the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation of present embodiment preparation meets the requirement of every index.
Embodiment 3
(1) basic fertile preparation:, (contain N 12%, P by urea (containing N 46%), diammonium phosphate according to the nutrient content feature of BB fertilizer
2O
545%) and Repone K (contain K
2O 60%) to press 47.5kg, 16.1kg, 34.4kg combination respectively composite, N-P in the basic fertilizer that obtains
2O
5-K
2The O nutrient is for meeting 23-7-20;
(2) preparation of little fertilizer: with 0.60kg borax (Na
2B
4O
5(OH)
48H
2O) and 0.60kg ammonium molybdate ((NH
4)
6Mo
7O
244H
2O) be mixed, again with the abundant mixing of 0.4kg binding agent (water glass 0.10kg, kaolin 0.10kg, PVA treated starch 0.20kg), 0.24kg spreader-sticker [mineral oil 0.20kg, organosilicon (commercially available organic silicon modified by polyether oxygen alkane) 0.04kg] and 0.16kg promoting agent (tea saponin 0.04kg, tween 80 0.08kg, agricultural newborn 1600#0.04kg), reaction 15min, 58 ℃ of homogenate obtain little fertilizer;
(3) preparation of the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation: change basic fertilizer mixing in disk stirrer of 98kg step (1) preparation over to cylinder, again the little fertilizer of step (2) preparation 2kg is evenly being opened up and be sprayed on fat substantially material particle surface, cool off, obtain adding the paddy rice tailored version BB fertilizer of little fertilizer.
(4) according to GB21633-2008 the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation of present embodiment preparation is carried out quality inspection, the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation of present embodiment preparation meets the requirement of every index.
Embodiment 4
(1) basic fertile preparation: with embodiment 2 steps (1);
(2) preparation of little fertilizer: with 1.00kg borax (Na
2B
4O
5(OH)
48H
2O) and 0.50kg zinc sulfate (ZnSO
4) be mixed, again with the abundant mixing of 0.26kg binding agent (molasses 0.12kg, water glass 0.08kg, kaolin 0.06kg), 0.20kg spreader-sticker (mineral oil 0.20kg) and 0.04kg promoting agent (tween 80 0.02kg, farm chemical emulgent 02010.02kg), reaction 18min, 56 ℃ of homogenate obtain little fertilizer;
(3) preparation of the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation: change basic fertilizer mixing in disk stirrer of 98kg step (1) preparation over to cylinder, again the little fertilizer of step (2) preparation 2kg is evenly being opened up and be sprayed on fat substantially material particle surface, cool off, obtain adding the paddy rice tailored version BB fertilizer of little fertilizer.
(4) according to GB21633-2008 the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation of present embodiment preparation is carried out quality inspection, the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation of present embodiment preparation meets the requirement of every index.
Embodiment 5
(1) basic fertile preparation:, (contain N 12%, P by urea (containing N 46%), diammonium phosphate according to the nutrient content feature of BB fertilizer
2O
545%) and Repone K (contain K
2O 60%) to press 48.0kg, 16.2kg, 34.8kg combination respectively composite, N-P in the basic fertilizer that obtains
2O
5-K
2The O nutrient is for meeting 23-7-20;
(2) preparation of little fertilizer: with 0.20kg borax (Na
2B
4O
5(OH)
48H
2O), 0.20kg ammonium molybdate ((NH
4)
6Mo
7O
244H
2O) and 0.10kg zinc sulfate (ZnSO
4) be mixed, again with the abundant mixing of 0.20kg binding agent (natural rosin 0.04kg, water glass 0.02kg, PVA treated starch 0.14kg), 0.24kg spreader-sticker (mineral oil 0.12kg, petitgrain oil 0.08kg, spearmint oil 0.04kg) and 0.06kg promoting agent (tea saponin 0.02kg, agricultural newborn 1600#0.03kg, farm chemical emulgent 02010.01kg), reaction 10min, 60 ℃ of homogenate obtain little fertilizer;
(3) preparation of the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation: change basic fertilizer mixing in disk stirrer of 47.5kg step (1) preparation over to cylinder, again the little fertilizer of step (2) preparation 0.9kg is evenly being opened up and be sprayed on fat substantially material particle surface, cool off, obtain adding the paddy rice tailored version BB fertilizer of little fertilizer.
(4) according to GB21633-2008 the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation of present embodiment preparation is carried out quality inspection, the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation of present embodiment preparation meets the requirement of every index.
Effect
Compare with the conventional split application in locality, carry out the research of paddy rice tailored version BB fertilizer (containing more trace elements) effect in the south rice main producing region.Concrete rate of fertilizer application and application process are:
(1) handles 1: Rice BB fertilizer (N-P
2O
5-K
2The O nutrient meets 23-7-20, does not add trace element, academy of agricultural sciences, Guangdong Province crop fertilizer factory), 40 kilograms/mu of amounts of application, application in two dressings, base manure accounts for 60%, transplants to account for 40% in back 15 days.
(2) handle 2: paddy rice tailored version BB fertilizer (adding trace element): the product that fertilizer product is prepared from by example 1 of the present invention, application process is with handling 1.
(3) handle 3: paddy rice tailored version BB fertilizer (adding trace element): the product that fertilizer product is prepared from by example 2 of the present invention, application process is with handling 1.
(4) handle 4: paddy rice tailored version BB fertilizer (adding trace element): the product that fertilizer product is prepared from by example 4 of the present invention, application process is with handling 1.
3 repetitions are established in test, totally 12 sub-districts, 0.1 mu of every sub-district area.Test site: Baiyun District, Guangzhou City Zhong Luotan town.Rice varieties: Guangdong brilliant silk No. 2, seedling (purchasing) in Inst. of Rice, Guangdong Academy of Agricultural Sciences; Sowing time: on July 21st, 2009; Transplanting time: on August 6th, 2009; The heading time: on October 5th, 2009; Transplant density: 1.5 Wankes (cave)/mu; Harvest time: on November 25th, 2009.
Result of study shows (as shown in table 1), and the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation of the present invention's preparation (handling 2～4) can significantly promote rice tillering, increases the real grain of effective fringe and every fringe number, improves rice yield.Relatively fertile with the conventional rice BB that handles 1, adding paddy rice tailored version BB fertilizer (handling 2～4) number of productive ear of little fertilizer, every total grain panicle number, a real grain number increases to some extent, 22～29 kilograms of every mu of volume increase, and stimulation ratio is 6.0～6.9%, increases income and economizes on spending 52.8～69.6 yuan.As seen, use the paddy rice tailored version BB fertilizer of the little fertilizer of interpolation of the present invention's preparation to have significant the effect of increasing income.
Table 1 output and constituent element thereof
Annotate: local paddy price: 2.4 yuan/kilogram
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. paddy rice tailored version BB fertilizer that adds little fertilizer, the structure of fertiliser granulates is for meeting the little fertilizer of fat substantially material particle outer wrap one deck of the fertile standard code of BB at nitrogen phosphorus potassium composition, it is characterized in that: basic fertile quality is equivalent to 97～99% of the fertile quality of described paddy rice tailored version BB, and little fertilizer is equivalent to 1～3% of the fertile quality of described paddy rice tailored version BB; Little fertilizer is grouped into by following one-tenth by mass percentage:
Trace compound 45～75%
Binding agent 10～40%
Spreader-sticker 10～30%
Promoting agent 1～10%.
2. according to the paddy rice tailored version BB fertilizer of the little fertilizer of the described interpolation of claim 1, it is characterized in that: the fertile standard code of described BB is the regulation of standard GB 21633-2008.
3. according to the paddy rice tailored version BB fertilizer of the little fertilizer of the described interpolation of claim 1, it is characterized in that: described trace element is at least a in zinc, copper, boron, iron, molybdenum or the manganese.
4. according to the paddy rice tailored version BB fertilizer of the little fertilizer of the described interpolation of claim 1, it is characterized in that: described binding agent is at least a in paraffin, natural rosin, water glass, kaolin, PVA treated starch or the molasses.
5. according to the paddy rice tailored version BB fertilizer of the little fertilizer of the described interpolation of claim 1, it is characterized in that: described spreader-sticker is at least a in mineral oil, organosilicon, eucalyptus oil, oil of cedar leaf, petitgrain oil, spearmint oil or the Oleum Tiglii.
6. according to the paddy rice tailored version BB fertilizer of the little fertilizer of the described interpolation of claim 1, it is characterized in that: described promoting agent is at least a in tea saponin, tween 80, agricultural newborn 1600# or the farm chemical emulgent 0201.
7. the preparation method of the paddy rice tailored version BB fertilizer of the little fertilizer of each described interpolation of claim 1～6 is characterized in that comprising following steps:
(1) preparation nitrogen phosphorus potassium composition meets the fertile substantially of the fertile standard of BB;
(2) with the trace compound of mass percent 45～75%, the binding agent of mass percent 10～40%, the spreader-sticker of mass percent 10～30% and the promoting agent mixing of mass percent 1～10%,, obtain little fertilizer in 50～60 ℃ of homogenate;
(3) little fertilizer that step (2) is prepared is evenly being opened up the fat substantially material particle surface that is sprayed on step (1) preparation, obtains adding the paddy rice tailored version BB fertilizer of little fertilizer; Wherein, basic fertilizer accounts for 97～99% of the fertile quality of paddy rice tailored version BB of adding little fertilizer, and little fertilizer accounts for 1～3% of the fertile quality of paddy rice tailored version BB of adding little fertilizer.
8. preparation method according to claim 7, it is characterized in that: step (3) changes cylinder over to for the basic fertilizer mixing in disk stirrer that by mass percentage 97～99% steps (1) is prepared, little fertilizer that 1～3% step (2) is prepared is evenly being opened up and is being sprayed on fat substantially material particle surface again, obtains adding the paddy rice tailored version BB fertilizer of little fertilizer.
9. the application of the paddy rice tailored version BB fertilizer of the little fertilizer of each described interpolation of claim 1～6 is characterized in that: the paddy rice tailored version BB fertilizer of the little fertilizer of described interpolation is applied to south rice production, as the base manure or the use of topdressing.
10. application according to claim 9 is characterized in that: the paddy rice tailored version BB fertilizer of the little fertilizer of described interpolation is applied to south rice production, and usage quantity is whenever made for every mu and used nitrogen 8～14kg according to nitrogenous calculating of the paddy rice tailored version BB fertilizer of preparation.
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| CN103030449A (en) * | 2012-12-20 | 2013-04-10 | 宁波致富宝生物科技有限公司 | Plant-strengthening and spike-strengthening multiple micro-fertilizer for rice |
| CN104211545A (en) * | 2014-09-22 | 2014-12-17 | 广东省农业科学院农业资源与环境研究所 | Special biochar-based organic and inorganic composite fertilizer for acidic soil and preparation method thereof |
| WO2017206743A1 (en) * | 2016-05-31 | 2017-12-07 | 湖北富邦科技股份有限公司 | Method for rapid manufacturing of novel micronutrient-containing urea |
| WO2019015068A1 (en) * | 2017-07-18 | 2019-01-24 | 湖北富邦科技股份有限公司 | Method for rapidly providing medium-concentration or trace element nutrient ingredient for granular fertilizer |
| CN115448782A (en) * | 2022-09-06 | 2022-12-09 | 黑龙江省农业科学院植物保护研究所 | Rice fertilizer film for preventing diseases and insect pests as well as preparation method and application thereof |
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| 范浩定等: "水稻专用控释BB肥应用技术研究", 《浙江农业科学》 * |
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| CN103030449A (en) * | 2012-12-20 | 2013-04-10 | 宁波致富宝生物科技有限公司 | Plant-strengthening and spike-strengthening multiple micro-fertilizer for rice |
| CN104211545A (en) * | 2014-09-22 | 2014-12-17 | 广东省农业科学院农业资源与环境研究所 | Special biochar-based organic and inorganic composite fertilizer for acidic soil and preparation method thereof |
| WO2017206743A1 (en) * | 2016-05-31 | 2017-12-07 | 湖北富邦科技股份有限公司 | Method for rapid manufacturing of novel micronutrient-containing urea |
| WO2019015068A1 (en) * | 2017-07-18 | 2019-01-24 | 湖北富邦科技股份有限公司 | Method for rapidly providing medium-concentration or trace element nutrient ingredient for granular fertilizer |
| CN115448782A (en) * | 2022-09-06 | 2022-12-09 | 黑龙江省农业科学院植物保护研究所 | Rice fertilizer film for preventing diseases and insect pests as well as preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102050672B (en) | 2013-03-20 |
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Address after: Five 510640 mountain road, Guangzhou, Guangdong, Tianhe District Patentee after: Agricultural Resources and Environment Institute of Guangdong Academy of Agricultural Sciences Address before: Five 510640 mountain road, Guangzhou, Guangdong, Tianhe District Patentee before: Inst. of Soil & Fertilizer, Guangdong Prov. Academy of Agricultural Science |