CN102811975A - Functionally effective urea composition - Google Patents

Abstract

The present invention provides a functionally effective urea composition for plant growth and yield improvement, for use with or without other fertilizers, wherein urea is reacted with an alkali metal silicate or salt or mixture thereof, and/or urea is reacted with a transition metal salt or silicate or oxide or mixture thereof, and/or urea is reacted with an organic extract of lignite.

Description

Functionally effective urea composition

technical field

The present invention relates to functionally effective urea compositions for plant nutrition and growth, and in particular, the present invention relates to a process for preparing urea fertilizers with effective properties. These urea fertilizers have significant potential for use as plant nutrients.

Background technique

Urea (ie, amide) is known to be consumed and converted rapidly, and volatilization losses make prolonged application of urea to plants difficult. Many attempts have been made to efficiently apply urea to plant systems, such as the addition of urease inhibitors. However, the results were not satisfactory. Accordingly, the present invention develops a functionally effective urea for plant nutrition, which has its application in developing performance-effective urea fertilizers.

purpose of invention

The main object of the present invention is to provide a functionally effective urea composition for plant growth, for use with or without other fertilizers.

Another object of the present invention is to provide functionally effective urea compositions by reacting urea with alkali metal silicates or salts or mixtures thereof.

Another object of the present invention is to provide functionally effective urea compositions by reacting urea with salts or silicates or oxides of transition metals or mixtures thereof.

Another object of the present invention is to provide a functionally effective urea composition by reacting urea with an organic extract of lignite.

Another object of the present invention is to provide a functionally effective urea composition by mixing the above produced effective urea in a desired ratio.

Summary of the invention

To achieve the above objects, the present invention provides a functionally effective urea composition for plant growth, for use with or without other fertilizers, wherein urea is reacted with a silicate or salt of an alkali metal or a mixture thereof , and/or react urea with transition metal salts or silicates or oxides or mixtures thereof, and/or react urea with organic extracts of lignite.

Brief description of the drawings

Figure 1 relates to the comparative XRD analysis of Example 6 of the present invention.

Figure 2 relates to the comparative FTIR analysis of Example 6 of the present invention.

Figure 3 relates to the comparative XRD analysis of Example 7 of the present invention.

Figure 4 relates to the comparative FTIR analysis of Example 7 of the present invention.

Figure 5 relates to the comparative XRD analysis of Example 8 of the present invention.

Figure 6 relates to the comparative FTIR analysis of Example 8 of the present invention.

Fig. 7 relates to the comparative XRD analysis of Example 9 of the present invention.

Figure 8 relates to a comparative FTIR analysis of Example 9 of the present invention.

Fig. 9 relates to the comparative XRD analysis of Example 10 of the present invention.

Figure 10 relates to a comparative FTIR analysis of Example 10 of the present invention.

Figure 11 relates to the comparative XRD analysis of Example 11 of the present invention.

Figure 12 relates to a comparative FTIR analysis of Example 11 of the present invention.

Figure 13 relates to the comparative XRD analysis of Example 12 of the present invention.

Figure 14 relates to a comparative FTIR analysis of Example 12 of the present invention.

Figure 15 relates to the comparative XRD analysis of Example 13 of the present invention.

Figure 16 relates to a comparative FTIR analysis of Example 13 of the present invention.

Figure 17 relates to the comparative XRD analysis of Example 14 of the present invention.

Figure 18 relates to a comparative FTIR analysis of Example 14 of the present invention.

Figure 19 relates to the comparative XRD analysis of Example 15 of the present invention.

Figure 20 relates to the comparative FTIR analysis of Example 15 of the present invention.

Figure 21 relates to the comparative XRD analysis of Example 16 of the present invention.

Figure 22 relates to a comparative FTIR analysis of Example 16 of the present invention.

Figure 23 relates to the comparative XRD analysis of Example 17 of the present invention.

Figure 24 relates to a comparative FTIR analysis of Example 17 of the present invention.

Figure 25 relates to the comparative XRD analysis of Example 18 of the present invention.

Figure 26 relates to a comparative FTIR analysis of Example 18 of the present invention.

Figure 27 relates to the comparative XRD analysis of Example 20 of the present invention.

Figure 28 relates to a comparative FTIR analysis of Example 20 of the present invention.

Detailed description of the invention

While the invention is susceptible to various modifications and alternative forms, specific aspects thereof have been shown by way of example in exemplary embodiments and described in detail hereinafter. It should be understood, however, that there is no intent to limit the invention to the particular forms disclosed, but on the contrary, the invention is to cover all modifications, equivalents and modifications falling within the spirit and scope of the invention as defined by the appended claims. alternative form.

Before describing the embodiments in detail, it can be seen that the novelty and inventive step of the present invention resides in a functionally effective urea composition comprising reacting urea with an alkali metal silicate or salt or mixture thereof in various ratios, and/or Reacting urea with salts or silicates or oxides of transition metals or mixtures thereof, and/or reacting urea with organic extracts of lignite to obtain functionally effective urea compositions. It should be noted that a person skilled in the art can take the technical light of the present invention and make modifications to the different components of the composition described above, which may vary from crop to crop. However, such modifications should be construed as being within the scope and spirit of the invention. Therefore, the examples show only those specific details that are relevant to understanding aspects of the invention so as not to obscure the disclosure with details that would be apparent to those skilled in the art having the benefit of the description herein.

The terms "comprising", "comprising" or any other variation thereof are intended to cover a non-exclusive content such that a composition, arrangement, device comprising a series of elements includes not only those elements but also elements not expressly listed. Or other components inherent in these compositions, devices and devices. In other words, without more limitations, one or more elements in a composition or method defined by "comprising..." does not exclude the presence of other elements in said composition or method. elements or additional elements. The following paragraphs illustrate the invention with respect to a functionally effective urea composition.

Accordingly, the present invention relates to functionally effective urea compositions obtained by reacting urea with:

Silicates or salts of alkali metals, and/or

Salts or silicates or oxides of transition metals or mixtures thereof, and/or

Organic extracts of lignite, or

The products resulting from a), b) and c) are mixed to obtain the desired functionally effective urea for use with or without other fertilizers.

In one aspect of the present invention, wherein the alkali metal silicate or salt is made of sodium or potassium.

In another aspect of the present invention, wherein the alkali metal silicate is potassium silicate, wherein the ratio of metal to silicate is 1:2 to 2:1.

Another aspect of the present invention, wherein the potassium silicate has 20-24% silica and 10-12% potassium.

Another aspect of the present invention, wherein the transition metal is selected from the group comprising zinc, copper, manganese, zirconium, cupric and silver and mixtures thereof.

Another aspect of the present invention, wherein the transition metal salt is a mixture of zinc sulfate, copper sulfate and manganese sulfate in a ratio of 10:3:1 (volume/volume).

Another aspect of the present invention, wherein the transition metal salt is a mixture of zinc sulfate, copper sulfate and manganese sulfate in a ratio of 100:68:14 (vol/vol).

Another aspect of the invention wherein the zinc sulfate has at least 2% Zn, copper sulfate has at least 0.75 Cu, and manganese sulfate has at least 0.25% Mn.

Another aspect of the invention wherein the transition metal silicate is a mixture of zinc chloride, copper sulfate and manganese sulfate in a ratio of 5:3:1 and which is subsequently reacted with an alkali metal silicate solution.

Another aspect of the present invention, wherein the transition metal oxide is a mixture of zinc oxide, copper oxide, manganese oxide and magnesium dioxide in a ratio of 10:3:1:1:1, wherein it is treated with H2O2 before mixing Zinc oxide.

In another aspect of the present invention, wherein the transition metal oxide is a mixture of H2O2-treated zinc oxide, zirconium oxide and copper oxide in a ratio of 9:1:1 (weight/volume).

Another aspect of the present invention, wherein an organic extract of lignite is obtained by treating lignite with 10-50% H2O2.

Another aspect of the invention wherein the urea is molten or solid urea.

Another aspect of the invention wherein the molten urea is maintained at a temperature of 130°C to 139°C.

Another aspect of the present invention, wherein the ratio of urea to alkali metal silicate (alkali silicate) is 0.1:10-10:0.1.

Another aspect of the present invention, wherein the ratio of urea to alkali metal salt (alkali salt) is 0.1:10-10:0.1.

Another aspect of the present invention, wherein the ratio of urea to transition metal or a mixture thereof is 0.1:10 to 10:0.1.

Another aspect of the present invention, wherein the ratio of urea to lignite organic solution is 0.1:10-10:0.1.

Another aspect of the present invention, wherein the ratio of urea, alkali metal silicate and transition metal is 10:0.1:0.1˜1:0.5:0.5.

Another aspect of the present invention, wherein the ratio of urea, alkali metal silicate, transition metal and lignite organic solution is 10:0.1:0.1:0.1˜1:0.5:0.5:0.5.

Another aspect of the present invention, wherein the urea thus produced has a 20-50 times higher translocation efficiency.

Another aspect of the invention wherein the degradation of the urea thus produced is optionally controlled by enzymatic regulation or by ammonia or nitrite conversion.

Another aspect of the present invention wherein the urea composition thus produced increases crop yield by 10-90%.

The present invention will be described in detail below in order to illustrate and explain several salient features of the invention. Hereinafter, salient features of the present invention are described through the following examples of preparing various types of urea fertilizer compositions.

Preparation of Transition Metal Salt Solutions

Prepare zinc sulfate (0.7g/ml) and copper sulfate (0.3g/ml), manganese sulfate (0.5g/ml) in water.

These transition metal salt solutions were added at a ratio of 10:3:1 to prepare a poly transition metal salt solution.

Potassium silicate solutions were prepared (ratio of potassium to silicate varied from 1:2 to 2:1).

Prepare potassium salt solution 0.3 g/ml (chloride or sulfate).

Example 1

Potassium silicate (2.5ml-10ml) and multi-transition metal salt solution (5ml-10ml) were added to 5.0Kg of molten urea and stirred evenly. The desired form (eg powder or granules or prills) is obtained during curing. Different urea fertilizer compositions were prepared with different amounts of reactants.

Example 1(a)

Add multi-transition metal salt solution (5ml-10ml) to 5Kg of molten urea and stir evenly. The desired form (eg powder or granules or pellets) is obtained during the solidification of the urea.

Different urea fertilizer compositions were prepared with different amounts of transition metal salts.

Example 2

Potassium silicate (2.5ml-10ml) and zinc sulphate (5ml-10ml) are added to 5kg of molten urea to obtain the desired form (eg powder or granules or pellets) during solidification. Different urea fertilizer compositions were prepared with different amounts of reactants.

Example 3

Mix 5Kg of molten urea with potassium silicate [20-24% silicon dioxide, 10-12% potassium] (2.5ml-10ml) and zinc sulfate (5ml-10ml) and 200ml-300ml of lignite alkaline extract together. Different urea fertilizer compositions were prepared with different amounts of reactants.

Example 4

Potassium silicate (10ml-20ml) was added to 5kg of molten urea. Different urea fertilizer compositions were prepared with different amounts of reactants.

Example 5

5Kg of molten urea was mixed together with potassium silicate [20-24% silica, 10-12% potassium] (1ml-50ml) and alkaline extract of lignite. Different compositions are prepared, for example with 2-5% organic content in the final product. Different urea fertilizer compositions were prepared with different amounts of reactants.

Example 6

Under continuous mixing, to 1160 gm of molten urea [132-139° C.] was added an amount of 133 ml (20 gm) of organic extract [lignite extracted with 10-25% alkali] and mixed well. Cool gradually with continuous mixing to avoid bulky solidification, then dry and/or pelletize the product.

Example 7

With continuous mixing, to 1160 gm of molten urea [132-139° C.] was added potassium silicate [20-24% silica, 10-12% potassium] in an amount of 10 ml and mixed well. Cool gradually with constant mixing to avoid bulk solidification, and the product is then dried and/or pelletized.

Example 8

Under continuous mixing, to 1160 gm of molten urea [132-139° C.] was added an amount of 33 ml (50 gm) of organic extract [lignite extracted with 10-25% alkali] and mixed well. Cool gradually with constant mixing to avoid bulk solidification, and the product is then dried and/or pelletized.

Example 9

Under continuous mixing, to 1160 gm of molten urea [132-139° C.] was added an amount of 200 ml (30 gm) of organic extract [lignite extracted with 10-25% alkali] and mixed well. Cool gradually with constant mixing to avoid bulk solidification, and the product is then dried and/or pelletized.

Example 10

Under continuous mixing, to 1160 gm of molten urea [132-139° C], add 2.5 ml of potassium silicate [20-24% silica, 10-12% potassium], 5 ml of MSM [ratio of 10: 3:1 (v/v) zinc sulfate [0.5 g/ml], copper sulfate (0.3 g/ml) and manganese sulfate (0.5 g/ml)] and mix well. Cool gradually with constant mixing to avoid bulk solidification, then dry and/or pelletize the product.

Example 11

Add 2.5 ml of potassium silicate [20-24% silicon dioxide, 10-12% potassium], 5 ml of zinc sulfate [0.5 g/ ml] and mix well. Cool gradually with constant mixing to avoid bulk solidification, and the product is then dried and/or pelletized.

Example 12

Under continuous mixing, to 1160 gm of molten urea [132-139°C] was added 2.5 ml of potassium silicate [20-24% silica, 10-12% potassium], 5 ml of zinc sulfate and 200 ml of organic Extract [brown coal extracted with 10-25% alkali] and mix well. Cool gradually with constant mixing to avoid bulk solidification, then dry and/or pelletize the product.

Example 13

Under continuous mixing, to 1160 gm of molten urea [132-139° C.] was added potassium silicate [20-24% silica, 10-12% potassium] in an amount of 20 ml and mixed well. Cool gradually with constant mixing to avoid bulk solidification, and the product is then dried and/or pelletized.

Example 14

Under constant mixing, to 1160 gm of molten urea [132-139° C.] was added potassium silicate [20-24% silica, 10-12% potassium] and 10 ml of MSM in an amount of 5.0 ml and mixed well. Cool gradually with constant mixing to avoid bulk solidification, then dry and/or pelletize the product.

Example 15

Under constant mixing, to 1160 gm of molten urea [132-139°C] was added 2.5 ml of potassium silicate [20-24% silica, 10-12% potassium], 5.0 ml of MSM and 200 ml of organic Solution [with 10-25% alkali to extract lignite] and mix well. Cool gradually with constant mixing to avoid bulk solidification, then dry and/or pelletize the product.

Wherein, MSM solution preparation: zinc sulfate (0.5g/ml), copper sulfate (0.3g/ml) and manganese sulfate (0.5g/ml) in a ratio of 10:3:1 (volume/volume).

Example 16

With continuous mixing, to 1160 gm of molten urea [132-139° C.] was added potassium silicate [20-24% silica, 10-12% potassium], 182 ml of MSM in an amount of 100 ml and mixed well. Cool gradually with constant mixing to avoid bulk solidification, then dry and/or pelletize the product.

Among them, MSM [zinc sulfate (0.5g/ml), copper sulfate (0.3g/ml) and manganese sulfate (0.5g/ml) in a ratio of 100:68:14 (volume/volume). This would equate to 2% Zn, 0.75% Cu and 0.25% Mn. ]

Example 17

Under continuous mixing, to 1160 gm of molten urea [132-139° C], add 66 ml of potassium silicate [20-24% silicon dioxide, 10-12% potassium], 120.0 ml of MSM [ratio of 100: 68:14 (v/v) of zinc sulfate [0.5 g/ml], copper sulfate (0.3 g/ml) and manganese sulfate (0.5 g/ml). This would equate to 2% Zn, 0.75% Cu and 0.25% Mn] and mix well. Cool gradually with constant mixing to avoid bulk solidification, and the product is then dried and/or pelletized.

Example 18

Under constant mixing, to 1160 gm of molten urea [132-139°C] was added potassium silicate [20-24% silicon dioxide, 10-12% potassium] in an amount of 2.5 ml along with 5 ml of zinc sulfate and 200 ml of organic extract [Use 10-25% alkali to extract lignite] and mix well. Cool gradually with constant mixing to avoid bulk solidification, then dry and/or pelletize the product.

Example 19

Add 20% potassium silicate [20-24% silicon dioxide/10-12% potassium] to 80ml saturated urea solution and mix well. The 10ml solution contained potassium silicate and urea was mixed in 100ml of molten urea, then cooled gradually with continuous mixing to avoid solidification of large pieces, and the product was then dried and/or pelletized.

Example 20

MSM [Zinc sulfate (0.5 g/ml), copper sulfate (0.36 g/ml) and manganese sulfate (0.5 g/ml) in a ratio of 100:68:14 (v/v), equivalent to 2% Zn, 0.75% Cu and 0.25% Mn] solution was added to potassium silicate [20-24% silica/10-12% potassium], mixed and then added uniformly to 100ml of molten urea with continuous mixing The product is then allowed to dry and/or pelletized with gradual cooling to avoid bulk solidification.

Example 21: Preparation of multi-transition metal oxide compositions

Zinc oxide was reacted with (5-20%) hydrogen peroxide (1:5 (w/v)) and zirconia was added to the resulting mass after drying in a ratio of 9:1:1 (w/w) and copper oxide. Antiseptic and antiseptic creams are formulated with the necessary fillers and gels.

Example 22: Preparation of multi-transition metal salt compositions

Prepare zinc sulfate (0.45g/ml), copper sulfate (0.3g/ml), manganese sulfate (0.45g/ml). Mix these three solutions in a ratio of 10:3:1, and according to the concentration of the reactants and the requirements of the final product as a plant nutrient with plant protection activity, mix the resulting solution in a ratio of 1:1 to 1:50 Added to organic molecules extracted from lignite (obtained by cleavage of lignite in one or sequential multi-step reactions with variable concentrations of hydrogen peroxide).

Example 23: Preparation of multi-transition metal silicate compositions

Prepare zinc chloride (0.3g/ml), copper sulfate (0.1g/ml), manganese sulfate (0.05g/ml). These three solutions were mixed in a ratio of 5:3:1, and 50 ml of the resulting solution was added to 100 ml of an alkali metal silicate solution (0.3 g/ml potassium or sodium silicate, 1:2 = metal:di silica) to obtain the defined polytransition metal silicate structural forms.

Example 24: (Migration Study)

25-day-old rice seedlings were transplanted into a mixture of 100 gm soil, 50 ml water, 0.5 gm urea sample of the present invention (ie, Example 16: urea containing MSM). After 48 hours, a 50 mg root sample was taken, homogenized by adding 500 milliQ water, and the sample was centrifuged at 14000 rpm for 15-20 minutes to obtain a supernatant for use by the nitroprusside method at 635 nm by a spectrophotometer. method) and evaluation of available ammonia by ion chromatography (METROHM, 761 COMPACT IC, using METROSEP C2 150 (6.1010.220)). The control sample (urea without MSM) adopts the same operation.

The results obtained were 0.6 mmol/L (mili molar) available ammonia in the control sample and 1.0 mmol/L available ammonia in the sample.

Similarly, urea containing 2% zinc silicate and urea containing 3% organic matter resulted in increased accumulation of ammonia in rice roots as it contained 0.9 mmol/L compared to 0.6 mmol/L in the control (urea only). mmol/L (urea containing 2% zinc silicate) and 1.0 mmol/L (organic urea).

The products obtained in the above examples have been tested on various crops (e.g. rice, corn, peanuts and peppers) and a significant increase in the yield of the same crops has been observed, starting from a 5-year experiment on various crops. It is evident in the test.

In the present invention, efficient transfer of nitrogen to plants is achieved by modulation of the urea (i.e., amide) degradation cycle (including and excluding modulation of enzymes or related factors in urea conversion, ammonia conversion, and/or nitrite conversion) , and also by structural modification of amides by addition of mono- or multi-transition metals or their salts or their silicates (to obtain derivatives) before or after the addition of alkali silicate in different amounts of reactants and experimental conditions Volatilization, enabling selectively functionally effective amides with multiple actions (antimicrobial properties) for selective crop or soil and/or tailored plant nutrition and/or for general application and/or with or without other fertilizers Administer together.

It should also be noted that combining oxides or salts (e.g. chlorides or nitrates or sulfates or silicates) with poly-transition metal (e.g. silver, copper, zinc, zirconium and manganese) compositions A multi-variable multi-ratio variable composition mixed in different proportions to obtain a functionally effective multi-transition metal oxide or salt or silicate (obtained by adding a base (e.g., sodium or potassium silicate)) ,

with or without organic hybridization,

With or without variable reaction conditions (e.g., pH, temperature, ratio of silicate to metal, pressure, and variable gas atmosphere),

Whether it is fixed on the material (such as activated alumina, aluminum oxide, agropolymer, cellulose, quartz sand and silica gel, resin, etc.) for preparation, whether it is nanostructured,

Whether it is compatible with decontaminants, disinfectants, antidotes, absorbents, enzyme inhibitors, antimicrobials, therapeutic agents, fillers and formulation compounds in the preparation of cosmetics and alkaline substances in detergents, cigarette filters ( cigarette filer), catalysts, multi-action molecules (e.g., nutrients and microbicides) and bioactive molecules for antiseptic creams and/or react with other metals.

In general, the compositions of the present invention are applied to plants or parts thereof together with an agriculturally acceptable carrier. The term "agriculturally acceptable carrier" means a material which can be used to dissolve, disperse or diffuse an active compound in a composition without impairing the effectiveness of said compound and which does not itself adversely affect the soil, equipment, crop or agronomic environment .

The compositions of the invention may be solid or liquid formulations or solutions. For example, the compounds may be formulated as wettable powders or emulsifiable concentrates. According to conventional agricultural practice, it is often necessary to include adjuvants such as wetting agents, spreading agents, dispersing agents, stickers and adhesives.

For the preparation of emulsifiable concentrates, one or more active ingredients can be dissolved in one or more organic solvents (for example, benzene, toluene, xylene, toluene, naphthalene, corn oil, pine oil, o-dichlorobenzene, isophorone (isophorone), cyclohexane, and methyl oleate or mixtures thereof).

can be obtained by mixing one or more active ingredients with finely divided solids (for example, clays, inorganic silicates and carbonates and silicas) and by incorporating wetting agents, binders and/or Dispersant to prepare a wettable powder suitable for spraying.

Advantages of the invention

The main advantage of the present invention is the development of a functionally effective urea composition that increases the growth and yield of various crops (rice, corn, etc.) by 10-90%.

Another advantageous object of the invention is to produce eco-friendly compositions.

The present inventors have developed the present invention so that the advantages can be realized in an economical, practical and easy manner. While preferred aspects and example configurations have been shown and described, it is to be understood that various other modifications and additional configurations will be apparent to those skilled in the art. The specific embodiments and configurations disclosed herein are intended to illustrate the preferred characteristics of the invention and should not be construed as limitations on the scope of the invention.

Claims (24)

1. effective urea composition on the function, it obtains through making urea and following substance reaction:

A. alkali-metal silicate or salt, and/or

B. the salt of transition metal or silicate or oxide compound or its mixture, and/or

C. the organic extraction of brown coal, perhaps

With a), b) and the product that c) produced mix with effective urea on the function that obtains expectation, its be used for or do not use with other fertilizer.

2. effective urea composition on the function of claim 1, wherein alkali-metal silicate or salt are processed by sodium or potassium.

3. effective urea composition on the function of claim 1, wherein alkali-metal silicate is potassium silicate, wherein the ratio of metal and silicate is 1: 2～2: 1.

4. effective urea composition on the function of claim 3, wherein said potassium silicate have 20～24% silicon-dioxide and 10～12% potassium.

5. effective urea composition on the function of claim 1, wherein said transition metal is selected from and comprises following group: zinc, copper, manganese, zirconium, cupric and silver and composition thereof.

6. effective urea composition on the function of claim 1, wherein the salt of transition metal is that ratio is the mixture of zinc sulfate, copper sulfate and the manganous sulfate of 10: 3: 1 (volume).

7. effective urea composition on the function of claim 1, wherein the salt of transition metal is that ratio is the mixture of zinc sulfate, copper sulfate and the manganous sulfate of 100: 68: 14 (volume).

8. effective urea composition on the function of claim 6, wherein said zinc sulfate has at least 2% Zn, and copper sulfate has at least 0.75 Cu, and manganous sulfate has at least 0.25% Mn.

9. effective urea composition on the function of claim 1, wherein the silicate of transition metal is that ratio is the mixture of 5: 3: 1 zinc chloride, copper sulfate and manganous sulfate, and its subsequently with alkali-metal silicate solutions reaction.

10. effective urea composition on the function of claim 1, the oxide compound of wherein said transition metal is that ratio is 10: 3: 1: the mixture of 1: 1 zinc oxide, cupric oxide, manganese oxide and magnesium dioxide, wherein before mixing, handle zinc oxide with H2O2.

11. effective urea composition on the function of claim 1, the oxide compound of wherein said transition metal is that ratio is the mixture of the zinc oxide through the H2O2 processing, zirconium white and the cupric oxide of 9: 1: 1 (weight/volume).

12. effective urea composition on the function of claim 1 is wherein handled the organic extraction that brown coal obtain brown coal through the H2O2 with 10～50%.

13. effective urea composition on the function of claim 1, wherein urea be fusing or solid urea.

14. effective urea composition on the function of claim 1, wherein the urea of fusing maintains under 130 ℃～139 ℃ the temperature.

15. effective urea composition on the function of claim 1, wherein the ratio of urea and alkalimetal silicate is 0.1: 10～10: 0.1.

16. effective urea composition on the function of claim 1, wherein the ratio of urea and an alkali metal salt is 0.1: 10～10: 0.1.

17. effective urea composition on the function of claim 1, wherein the ratio of urea and transition metal or its mixture is 0.1: 10～10: 0.1.

18. effective urea composition on the function of claim 1, wherein the ratio of urea and brown coal organic solution is 0.1: 10～10: 0.1.

19. effective urea composition on the function of claim 1, wherein the ratio of urea, alkalimetal silicate and transition metal is 10: 0.1: 0.1～1: 0.5: 0.5.

20. effective urea composition on the function of claim 1, wherein the ratio of urea, alkalimetal silicate, transition metal and brown coal organic solution is 10: 0.1: 0.1: 0.1～1: 0.5: 0.5: 0.5.

21. effective urea composition on the function of claim 1, the urea composition that wherein so produces has the transport efficiency of 20～50 times of raisings.

22. effective urea composition on the function of claim 1, the urea composition that wherein so produces is sprayed to as foliage applying on plant and the part thereof.

23. effective urea composition on the function of claim 1, wherein so the degraded of the urea of generations is randomly regulated perhaps through the control that is converted of ammonia or nitrite through enzyme.

24. effective urea composition on the function of claim 1, the urea composition that wherein so produces makes crop yield improve 20～70%.

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