CN100358844C - Fertilizer for medium and low output field - Google Patents
Fertilizer for medium and low output field Download PDFInfo
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Abstract
The present invention relates to special-purpose fertilizer for medium and low yield fields, which comprises 4 to 15 parts by weight of maleic acid, 2 to 8 parts by weight of oxalic acid, 1 to 6 parts by weight of mugineic acid, 2 to 8 parts by weight of nitrogenous fertilizer (by nitrogen), 0.5 to 3 parts by weight of phosphorous fertilizer (by phosphorus), and 0.5 to 3 parts by weight of potassic fertilizer (by potassium).
Description
Invention field
It is special-purpose fertile to the present invention relates to a kind of middle-and-low-yielding fields.
Background technology
Comprehensively cause every factor of middle-and-low-yielding fields, wherein most important reason is that the bad institute of soil nutrient causes, the needed elements of growth and development of plants such as the nitrogen in the soil, phosphorus, potassium and iron, copper, zinc, manganese, because constraint and other undesirable elements of soil, and can not most of be utilized by plant absorbing, so cause a large amount of nutrition wastes.This product is exactly to start with from the soil nutrient deficiency that causes middle-and-low-yielding fields, analyzed the multiple organic acid of plant root exudation on the one hand, can fully activate nutritive element in the soil thereby select, the maleic acid that the plant-growth metabolism is played a decisive role, oxalic acid, mugineic acid etc.; Two aspects are analyzed plant normal growth and are grown necessary nutritive element, selection can supplement the nutrients fast the biochemical substances ammonium sulfate, potassium primary phosphate etc. of element; According to the mechanism of plant absorbing nutrient scientific allocation in addition.According to the needs of formulation products, add emulsifying agent, catalyzer, stablizer, solvent etc. again.
Summary of the invention
The purpose of this invention is to provide a kind of can be applicable to because of unreasonable irrigation, accumulated water, chemical fertilizer use excessive, unreasonable crop rotation, continuous cropping, soil compaction, desertification, barren, soil nutrient is supplied with unequal crop of the causing difficulty of emerging, dead seedling, seedling Huang, the transplanting seedlings difficulty, the middle-and-low-yielding fields of retarded growth are special-purpose fertile.
The special-purpose fertilizer of middle-and-low-yielding fields of the present invention comprises:
Maleic acid: 4-15 weight part
Oxalic acid: 2-8 weight part
Mugineic acid: 16 weight parts
It is plain fertile to contain N (nitrogen): 2-8 weight part (by the nitrogen element)
It is plain fertile to contain P (phosphorus): 0.5-3 weight part (by phosphoric)
It is plain fertile to contain K (potassium): 0.5-3 weight part (by potassium element).
Middle-and-low-yielding fields soil improvement synergistic agent of the present invention preferably includes:
Maleic acid: 5-10 weight part
Oxalic acid: 3-6 weight part
Mugineic acid: 2-4 weight part
It is plain fertile to contain N (nitrogen): 3-6 weight part (by the nitrogen element)
It is plain fertile to contain P (phosphorus): 1-2 weight part (by phosphoric)
It is plain fertile to contain K (potassium): 1-2 weight part (by potassium element).
The plain fertilizer of the N of containing of the present invention can comprise any nitrogenous inorganic or fertilizer, ammonium sulfate for example, urea, ammonium phosphate etc.
Contain the plain fertilizer of P and can comprise the inorganic or fertilizer of any P of containing, potassium primary phosphate for example, dipotassium hydrogen phosphate, potassiumphosphate etc.
Contain the plain fertilizer of K and can comprise the inorganic or fertilizer of any K of containing, potassium primary phosphate for example, dipotassium hydrogen phosphate, salt of wormwood etc.
Contain nitrogenous fertilizer and phosphorous plain fertilizer can exist with a kind of component, for example ammonium phosphate.Phosphorous plain fertile and contain the plain fertilizer of potassium and also can exist with a kind of component, potassium primary phosphate for example, dipotassium hydrogen phosphate etc.Contain nitrogenous fertilizer, phosphorous plain fertile and contain the plain fertile form that can also composite fertilizer of potassium and use.
Prepare of the present invention in the special-purpose fertile method in low yield soil comprise said components be dissolved in the water, mix.
Prepare that the special-purpose fertile preferred method of middle-and-low-yielding fields of the present invention is included in catalyst for polymerization and the existence of the stablizer chosen wantonly under allow maleic acid under the temperature that is suitable for reacting, contact with oxalic acid, add mugineic acid then, it is plain fertile to contain N (nitrogen), it is plain fertile to contain P (phosphorus), it is plain fertile to contain K (potassium), add emulsifying agent behind the thorough mixing and carry out emulsification, be adjusted to finite concentration (general 5-50wt% with aqueous solvent at last, preferred 15-30wt% presses maleic acid, oxalic acid, mugineic acid, nitrogenous, the gross weight of phosphorus and potassium element fertilizer is recently calculated with the weight of whole components (comprising water)).
Stablizer for example comprises inorganic salt, lime carbonate for example, calcium chloride, calcium phosphate powder, silica, clay, starch, gelatin, Mierocrystalline cellulose, carboxymethyl cellulose, polyacrylic acid, polyvinyl alcohol, polyoxyethylene glycol, Polyvinylpyrolidone (PVP) etc., or their mixture.The consumption of stablizer can be the 1-4 weight part.
Catalyst for polymerization for example is to cause any catalyzer of maleic acid polymeric, for example comprises superoxide, hydroperoxide, redox system, organometallic compound, azo-compounds etc., example are dibenzoyl peroxide, Sodium Persulfate, ammonium persulphate, Potassium Persulphate, Sodium persulfate, Potassium Persulfate, t-butylperoxyl benzoate etc.Its consumption can be the 0.1-3 weight part.
Emulsifying agent can use any emulsifying agent, for example comprises tensio-active agent, and tween etc., tensio-active agent can be anion surfactants, cats product, nonionogenic tenside, amphoterics etc.The consumption of emulsifying agent can be the 1-6 weight part.
The temperature that is suitable for reacting for example is 40-120 ℃, and preferably about 50-100 ℃, more preferably from about 50-70 ℃, the time length of contact can be for example 10-60 minute.
Embodiment
The present invention is described by the following examples, it should be understood that these embodiment only are used for explanation, do not constitute limitation of the scope of the invention.
Embodiment 1
The aqueous solvent that adds earlier 50 weight part 50-70 ℃ in the reactor adds 7 weight part maleic acids and 4 weight part oxalic acid, 0.5 weight part dibenzoyl peroxide and 3 weight part lime carbonate again, and stirring was reacted 10-20 minute; Add 5 weight part mugineic acids then, 6 weight part ammonium sulfate and 6 weight part potassium primary phosphates; Under 40 ℃ of left and right sides conditions, add 5 weight part tweens, stir and carried out emulsion reaction 25 minutes; Adjust solution to 120 weight part with aqueous solvent at last.
Embodiment 2
The aqueous solvent that adds earlier 50 weight part 50-70 ℃ in the reactor adds 12 weight part maleic acids and 6 weight part oxalic acid, 1 weight part acetylacetonate cobalt and 1 weight part Mierocrystalline cellulose again, and stirring was reacted 10-20 minute; Add 5 weight part mugineic acids then, 6 weight part ammonium sulfate and 4 weight part potassium primary phosphates; Under 40 ℃ of left and right sides conditions, add 5 weight part Sodium dodecylbenzene sulfonatees, stir and carried out emulsion reaction 25 minutes; Adjust solution to 130 weight part with aqueous solvent at last.
Embodiment 3
The aqueous solvent that adds earlier 50 weight part 50-70 ℃ in the reactor adds 5 weight part maleic acids and 4 weight part oxalic acid, 0.5 weight part Sodium persulfate and 1 weight part calcium chloride again, and stirring was reacted 10-20 minute; Add 5 weight part mugineic acids then, 5 weight part urea and 4 weight part potassium primary phosphates; Under 40 ℃ of left and right sides conditions, add 5 weight part polyethyleneglycol diglycidylethers, stir and carried out emulsion reaction 25 minutes; Adjust solution to 110 weight part with aqueous solvent at last.
Embodiment 4
The aqueous solvent that adds earlier 50 weight part 50-70 ℃ in the reactor adds 7 weight part maleic acids and 4 weight part oxalic acid, 0.5 weight part cumene hydroperoxide and 3 weight part lime carbonate again, and stirring was reacted 10-20 minute; Add 5 weight part mugineic acids then, 6 weight part ammonium sulfate and 6 weight part potassium primary phosphates; Under 40 ℃ of left and right sides conditions, add 5 weight part tweens, stir and carried out emulsion reaction 25 minutes; Adjust solution to 120 weight part with aqueous solvent at last.
The present invention is that a kind of middle-and-low-yielding fields are special-purpose fertile.Be particularly useful for because of unreasonable irrigation, accumulated water, chemical fertilizer use excessive, unreasonable crop rotation, soil compaction, barren, the unequal crop of causing of nutrient supply emerge difficulty, dead seedling, transplant the soil of slow seedling difficulty, the serious underproduction of retarded growth.The various crops of suitable planting on middle-and-low-yielding fields.Calendar year 2001 we special-purpose fertilizer has been carried out the test of field effect of increasing production, obtained result preferably, existing test situation is reported as follows.
Test one
Test materials and method
1, experimental plot basic condition
Test site is located at Meng Gu township, east, Handan City, Hebei province.Soil compaction, water-permeable and air permeable are poor.Middle fertility has irrigation conditions.
2, trial crops and field management
Trial crops cotton, kind are " No. 12, middle cotton ".Farming operation and field management all routinely operating method carry out.Survey product according to single receipts the in experimental plot during cotton harvesting.
3, for trial product
Middle-and-low-yielding fields of the present invention are special-purpose fertile, provided by the Beinong Jingzhui Agricultural Science ﹠ Technology Developing Co., ltd., Beijing.
4, field design and test method
The field method of application is: when pouring water before sowing cotton seed, this product by converting 50 times of water dilutions in the different effective levels adding common sprayers, evenly is sprayed on soil surface.If special-purpose fertile the processing is respectively:
7500g/ha., 15000g/ha., 22500g/ha., 30000g/ha., and blank totally 5 processing.300 meters of every processing areas
2(length * wide=12 meter * 25 meters).Every processing repeats four times, totally 20 sub-districts.
5, data survey and analytical procedure
At any time observe the situation of emerging behind the sowing cotton seed, after the wait seedling all sprouts, take five point samplings in each sub-district, every sampling point is 1 meter
2The investigation basic seedling amount calculates every sub-district survival rate of seedlings according to this.Cotton growth is estimated the growing way situation mid-term.The single receipts in every sub-district weighed during results, and seed cotton yield is calculated in accumulation.
With F test and duncan's new multiple range method (SSR) testing data is carried out interpretation of result and comparison.
Test results and analysis
1, special-purpose fertile to the emerge influence of situation of cotton
The influence that the special-purpose fertile different treatment of table 1 is emerged to cotton
| Handle | Seedling rate (%) | The reguarity of emerging | The growing way situation |
| 7500g/ha. | 69.4 | More neat | Better |
| 15000g/ha. | 90.6 | More neat | Good |
| 22500g/ha. | 97.2 | Neatly | Good |
| 30000g/ha. | 98.8 | Neatly | Good |
| CK | 31.0 | Irregular | Difference |
Annotate: seedling rate is the mean value of 5 sampling points in every sub-district in the table.
As can be seen from Table 1, use special-purpose fertilizer to have that obvious promotion is emerged and the effect of keeping a full stand of seedings.7500g/ha., 15000g/ha., 22500g/ha., 30000g/ha., each leaf emergence be respectively 69.4%, 90.6%, 97.2%, 98.8%, and the blank seedling rate only is 31.0%.15000g/ha., the seedling rate difference is little between 22500g/ha., 30000g/ha., three processing.7500g/ha. the seedling rate of handling has improved 38.4% than blank.And emerge reguarity and growing way situation of range estimation all is better than blank.Only say that special-purpose fertile 15000g/ha handles the suitable amounts that is to use from seedling protecting effect.
2, special-purpose fertile influence to output of cotton
The special-purpose fertile effect of increasing production of table 2 to cotton
| Handle | Output (kg/ha.) | Rate of increase (%) | The significance of difference is analyzed (P=0.01) | Remarks |
| 30000g/ha. | 3652 | 43.1 | A | Output is to amount to the per hectare seed cotton yield after the accumulative total of every sub-district in the table. |
| 22500g/ha. | 3576 | 40.1 | A | |
| 15000g/ha. | 3519 | 37.8 | A | |
| 7500g/ha. | 2754 | 7.9 | B | |
| CK | 2552 | - | C |
As known from Table 2, each treatment zone output all increases a lot than the check plot.Each treatment zone output all has significant difference compared with the control.But output does not have significant difference between 15000g/ha., 22500g/ha., three processing of 30000g/ha., handles with 7500g/ha. and has compared significant difference.15000g/ha. the rate of increase of handling has reached 37.8%, and is similar to the seedling rate situation for being fit to consumption.
Conclusion
1, the special-purpose fertile improvement for the cotton middle-and-low-yielding fields of the present invention has a significant effect.By to having improved seedling rate after the effect of bad soil greatly, and the effect of keeping a full stand of seedings obviously, finally reached the effect of increasing both production and income.
3, as can be known, 15000g/ha. is treated to best effective level from above analytical results.
Test two
Test materials and method
1, experimental plot basic condition
Test site is located at Meng Gu township, east, Handan City, Hebei province.Topsoil soils is a silty sand light weight earth.Middle fertility has irrigation conditions.
2, trial crops and field management
Trial crops cotton, kind are " No. 12, middle cotton ".Sprayed April 10 special-purpose fertile and pour water, April 21 sowing cotton seed, May 2 emerged, final singling on the-15th on May 10.Whole growing fertilising secondary is poured water and each secondary of chemical control.The operation of other farming all routinely operating method carry out.Survey product according to single receipts the in experimental plot during cotton harvesting.
3, for trial product
The present invention is special-purpose fertile, is provided by the Beinong Jingzhui Agricultural Science ﹠ Technology Developing Co., ltd., Beijing.
4, field design and test method
When pouring water before the sowing cotton seed, this product by converting 50 times of water dilutions in the different effective levels adding workers and peasants-16 type atomizers, evenly is sprayed on soil surface.If special-purpose fertile the processing is respectively: 7500g/ha., 15000g/ha., 22500g/ha., 30000g/ha. and blank be totally 5 processing.Every processing repeats four times, totally 20 sub-districts.133.4 meters of every sub-district areas
2, 2668 meters of the test total areas
2
5, data survey and analytical procedure
At any time observe seedling-growing time behind the sowing cotton seed and the situation of emerging, each sub-district cotton growth developmental state of fixed point investigation simultaneously.The single receipts in every sub-district weighed the actual seed cotton yield of cumulative calculation during the cotton picking results.With F test and duncan's new multiple range method (LSR) testing data is carried out interpretation of result and comparison.
Test results and analysis
1, special-purpose fertile to the emerge influence of effect of cotton
Table 3: special-purpose fertile to the emerge influence of effect of cotton
| Handle | Seedling rate (%) | The growing way situation | Root system development |
| 7500g/ha. | 70.6 * | Better | More sturdy |
| 15000g/ha. | 92.8 ** | Good | Sturdy |
| 22500/ha. | 96.4 ** | Good | Sturdy |
| 30000g/ha. | 97.0 ** | Good | Sturdy |
| CK | 42.2 | Difference | Thinner and more delicate |
Table 3 is the result show, uses special-purpose fertile centering low-yield soil to have tangible improving effect, thereby improves the cotton seedling rate, promotes cotton root system to grow, and reaches well established and vigorously developing.Each leaf emergence is significantly improved than blank, and 7500g/ha. handles has increased by 28.4%, and the seedling rate that 30000g/ha. handles has increased by 54.8%.
2, special-purpose fertile influence to the cotton economical character
Each sub-district cotton growth of fixed point investigation is grown and be the results are shown in Table 4:
Table 4: special-purpose fertile influence to the cotton economical character
| Handle | Plant height (cm) (July 16) | Budding (individual) (June 8) | Bloom (piece) (July 16) | Cotton boll number (individual) (August 10) |
| 7500g/ha. | 70.5 | 2.1 | 3.5 | 5.2 |
| 15000g/ha. | 79.4 | 3.2 | 4.2 | 6.5 |
| 22500/ha. | 85.2 | 3.6 | 4.8 | 6.8 |
| 30000g/ha. | 86.4 | 3.8 | 5.2 | 7.2 |
| CK | 65.2 | 1.6 | 2.5 | 4.0 |
As known from Table 4, can promote growing of cotton after using special-purpose fertilizer.Same time investigation is higher than blank from the plant height of cotton, the number of buddingging, the number average of blooming.Simultaneously can improve the knot bell number of cotton, 15000g/ha. handles compared with the control that the individual plant cotton boll on average increases by 2.5.These factors are that the increase of output of cotton is laid a good foundation.
3, special-purpose fertile influence to output of cotton
In order relatively accurately to verify special-purpose fertile effect of increasing production, we have heavily carried out investigation statistics to the cotton mu bell number in different treatment district, single bell, and the seed cotton yield of different tests sub-district is taked to pluck separately calculating, the results are shown in following table 5.
Table 5: the special-purpose fertile result that influences to output of cotton
| Handle | Mu bell number (individual) | Dan Lingchong (gram) | Seed cotton yield (kg/ha.) | Stimulation ratio (%) | Significance analysis (P=0.01) |
| 30000g/ha. | 75380 | 6.8 | 5442 | 34.6 | A |
| 22500g/ha. | 72320 | 6.5 | 5346 | 32.2 | A |
| 15000g/ha. | 69560 | 6.2 | 5133 | 26.9 | A |
| 7500g/ha. | 63800 | 5.5 | 4371 | 8.09 | B |
| CK | 52160 | 4.8 | 4044 | - | C |
Annotate: have same letter person's difference not remarkable in the table, different alphabetical person's significant differences are arranged.
Table 5 is the result show, the cotton field uses special-purpose fertilizer to have tangible effect of increasing production.Special-purpose fertile four kinds of different amounts processing all is significantly improved than the output of blank, and stimulation ratio has been up to 34.6%.Utmost point significant difference is all arranged, there was no significant difference between 15000g/ha., 22500g/ha., three kinds of processing of 30000g/ha. between special-purpose fertile four kinds of processing and blank.Illustrate that 15000g/ha. is best using dosage.
Test three
Test materials and method
1, experimental plot basic condition
Test site is located at good numerous of Hengshui City Fucheng County, Hebei province.Topsoil soils is a silty sand light weight earth.Middle fertility has irrigation conditions.
2, trial crops and field management
Trial crops cotton, kind are " No. 12, middle cotton ".Sprayed April 10 special-purpose fertile and pour water, April 21 sowing cotton seed, May 2 emerged, final singling on the-15th on May 10.Whole growing fertilising secondary is poured water and each secondary of chemical control.The operation of other farming all routinely operating method carry out.Survey product according to single receipts the in experimental plot during cotton harvesting.
3, for trial product
The present invention is special-purpose fertile, is provided by the Beinong Jingzhui Agricultural Science ﹠ Technology Developing Co., ltd., Beijing.
4, field design and test method
When pouring water before the sowing cotton seed, this product by converting 50 times of water dilutions in the different effective levels adding workers and peasants-16 type atomizers, evenly is sprayed on soil surface.If special-purpose fertile the processing is respectively: 7500g/ha., 15000g/ha., 22500g/ha., 30000g/ha. and blank be totally 5 processing.Every processing repeats four times, totally 20 sub-districts.66.7 meters of every sub-district areas
2, 1334 meters of the test total areas
2
5, data survey and analytical procedure
At any time observe seedling-growing time behind the sowing cotton seed and the situation of emerging, each sub-district cotton growth developmental state of fixed point investigation simultaneously.The single receipts in every sub-district weighed the actual seed cotton yield of cumulative calculation during the cotton picking results.With F test and duncan's new multiple range method (LSR) testing data is carried out interpretation of result and comparison.
Test results and analysis
1, special-purpose fertile to the emerge influence of effect of cotton
Table 6: special-purpose fertile to the emerge influence of effect of cotton
| Handle | Seedling rate (%) | The growing way situation | Root system development |
| 7500g/ha. | 69.6 | Better | More sturdy |
| 15000g/ha. | 90.8 | Good | Sturdy |
| 22500g/ha. | 93.4 | Good | Sturdy |
| 30000g/ha. | 96.0 | Good | Sturdy |
| CK | 39.2 | Difference | Thinner and more delicate |
Table 6 is the result show, uses special-purpose fertile centering low-yield soil to have tangible improving effect, thereby improves the cotton seedling rate, promotes cotton root system to grow, and reaches well established and vigorously developing.Each leaf emergence is significantly improved than blank, and 7500g/ha. handles has increased by 30.4%, and the seedling rate that 30000g/ha. handles has increased by 56.8%.
2, special-purpose fertile influence to output of cotton
In order to check special-purpose fertile effect of increasing production, we have heavily carried out investigation statistics to the cotton mu bell number in different treatment district, single bell, and the seed cotton yield of different tests sub-district is taked to pluck separately to calculate, and the results are shown in following table 7.
Table 7: the special-purpose fertile result that influences to output of cotton
| Handle | Mu bell number (individual) | Dan Lingchong (gram) | Seed cotton yield (kg/66.7m 2) | Stimulation ratio (%) | Significance analysis (P=0.01) |
| 30000g/ha. | 70320 | 6.5 | 35.0 | 47.6 | A |
| 22500g/ha. | 69850 | 6.2 | 34.2 | 44.3 | A |
| 15000g/ha. | 69320 | 6.0 | 33.4 | 40.9 | A |
| 7500g/ha. | 65430 | 5.2 | 28.6 | 20.6 | B |
| CK | 58160 | 4.1 | 23.7 | - | C |
Annotate: have same letter person's difference not remarkable in the table, different alphabetical person's significant differences are arranged.
Table 7 is the result show, the cotton field uses special-purpose fertilizer to have tangible effect of increasing production.Special-purpose fertile four kinds of different amounts processing all is significantly improved than the output of blank, and stimulation ratio has been up to 47.6%.Utmost point significant difference is all arranged, there was no significant difference between 15000g/ha., 22500g/ha., three kinds of processing of 30000g/ha. between special-purpose fertile four kinds of processing and blank.Illustrate that 15000g/ha. is best using dosage.
Test four
Test materials and method
1, experimental plot basic condition
Test site is located at good numerous of Hengshui City Fucheng County, Hebei province.Soil compaction, water-permeable and air permeable are poor.Middle fertility has irrigation conditions.
2, trial crops and field management
Trial crops cotton, kind are " No. 12, middle cotton ".Farming operation and field management all routinely operating method carry out.Survey product according to single receipts the in experimental plot during cotton harvesting.
3, for trial product
The present invention is special-purpose fertile, is provided by the Beinong Jingzhui Agricultural Science ﹠ Technology Developing Co., ltd., Beijing.
4, field design and test method
The field method of application is: when pouring water before sowing cotton seed, this product by converting 50 times of water dilutions in the different effective levels adding common sprayers, evenly is sprayed on soil surface.If special-purpose fertile the processing is respectively: 7500g/ha., 15000g/ha., 22500g/ha., 30000g/ha. and blank be totally 5 processing.Every processing repeats four times, totally 20 sub-districts.66.7 meters of sub-district areas
2, 1334 meters of the test total areas
2
5, data survey and analytical procedure
At any time observe the situation of emerging behind the sowing cotton seed, after the wait seedling all sprouts, take five point samplings in each sub-district, every sampling point is 1 meter
2The investigation basic seedling amount calculates every sub-district survival rate of seedlings according to this.Cotton growth is estimated the growing way situation mid-term.The single receipts in every sub-district weighed during results, and seed cotton yield is calculated in accumulation.
With F test and duncan's new multiple range method (SSR) testing data is carried out interpretation of result and comparison.
Test results and analysis
1, special-purpose fertile to the emerge influence of situation of cotton
The influence that the special-purpose fertile different treatment of table 8 is emerged to cotton
| Handle | Seedling rate (%) | The reguarity of emerging | The growing way situation |
| 7500g/ha. | 70.4 | More neat | Better |
| 15000g/ha. | 89.6 | More neat | Good |
| 22500g/ha. | 91.2 | Neatly | Good |
| 30000g/ha. | 94.8 | Neatly | Good |
| CK | 37.0 | Irregular | Difference |
Annotate: seedling rate is 5 sampling points in every sub-district in the table, four multiple mean values.
As can be seen from Table 8, use special-purpose fertilizer to have that obvious promotion is emerged and the effect of keeping a full stand of seedings.7500g/ha., 15000g/ha., 22500g/ha., each leaf emergence of 30000g/ha. be respectively 70.4%, 89.6%, 91.2%, 94.8%, and the blank seedling rate only is 37.0%.15000g/ha., the seedling rate difference is little between three processing of 22500g/ha., 30000g/ha..7500g/ha. the seedling rate of handling has improved 33.4% than blank.And emerge reguarity and growing way situation of range estimation all is better than blank.Only say that special-purpose fertile 15000g/ha handles the suitable amounts that is to use from seedling protecting effect.
2, special-purpose fertile influence to output of cotton
The special-purpose fertile effect of increasing production of table 9 to cotton
| Handle | Output (kg/ha.) | Rate of increase (%) | The significance of difference is analyzed (P=0.01) | Remarks |
| 30000g/ha. | 3654 | 48.1 | A | Output is to amount to the per hectare seed cotton yield after the accumulative total of every sub-district in the table. |
| 22500g/ha. | 3459 | 40.2 | A | |
| 15000g/ha. | 3286 | 33.2 | A | |
| 7500g/ha. | 2885 | 16.9 | B | |
| CK | 2467 | - | C |
Annotate: have same letter person's difference not remarkable in the table, different alphabetical person's significant differences are arranged.
As known from Table 9, each treatment zone output all increases a lot than the check plot.Each treatment zone output all has significant difference compared with the control.But output does not have significant difference between 15000g/ha., 22500g/ha., three processing of 30000g/ha., handles with 7500g/ha. and has compared significant difference.15000g/ha. the rate of increase of handling has reached 33.2%.Illustrate that 15000g/ha. is best effective level.
Conclusion
1, special-purpose fertilizer has tangible effect of increasing production for the cotton middle-and-low-yielding fields.Can improve the seedling rate of cotton greatly after the use, and the effect of keeping a full stand of seedings obviously, finally reached the effect of increasing both production and income.
2, as can be known, 15000g/ha. is treated to best effective level from above analytical results.
Claims (4)
1, middle-and-low-yielding fields are special-purpose fertile, comprising:
Maleic acid: 4-15 weight part
Oxalic acid: 2-8 weight part
Mugineic acid: 1-6 weight part
By the nitrogen element, contain nitrogenous fertilizer: the 2-8 weight part
By phosphoric, phosphorous plain fertile: the 0.5-3 weight part
By potassium element, it is plain fertile to contain potassium: the 0.5-3 weight part;
Wherein, the described nitrogenous fertilizer that contains is selected from ammonium sulfate, urea or ammonium phosphate; Described phosphorous plain fertilizer is selected from potassium primary phosphate, dipotassium hydrogen phosphate or potassiumphosphate; The described plain fertilizer of potassium that contains is selected from potassium primary phosphate, dipotassium hydrogen phosphate, potassiumphosphate or salt of wormwood.
2, special-purpose fertile according to the middle-and-low-yielding fields of claim 1, comprising:
Maleic acid: 5-10 weight part
Oxalic acid: 3-6 weight part
Mugineic acid: 2-4 weight part
By the nitrogen element, contain nitrogenous fertilizer: the 3-6 weight part
By phosphoric, phosphorous plain fertile: the 1-2 weight part
By potassium element, it is plain fertile to contain potassium: the 1-2 weight part;
Wherein, the described nitrogenous fertilizer that contains is selected from ammonium sulfate, urea or ammonium phosphate; Described phosphorous plain fertilizer is selected from potassium primary phosphate, dipotassium hydrogen phosphate or potassiumphosphate; The described plain fertilizer of potassium that contains is selected from potassium primary phosphate, dipotassium hydrogen phosphate, potassiumphosphate or salt of wormwood.
3, the special-purpose fertile method of middle-and-low-yielding fields for preparing claim 1 or 2, being included under the existence of catalyst for polymerization and stablizer allows maleic acid contact under 40-120 ℃ of temperature with oxalic acid, add mugineic acid then, contain nitrogenous fertilizer, phosphorous plain fertile, to contain potassium plain fertile, add emulsifying agent behind the thorough mixing and carry out emulsification, be adjusted to 5-50wt% with aqueous solvent at last; Wherein, described catalyst for polymerization is a dibenzoyl peroxide, Sodium Persulfate, ammonium persulphate, Potassium Persulphate, Sodium persulfate, Potassium Persulfate or t-butylperoxyl benzoate; Described stablizer is a lime carbonate, calcium chloride, calcium phosphate powder, silica, clay, starch, gelatin, Mierocrystalline cellulose, carboxymethyl cellulose, polyacrylic acid, polyvinyl alcohol, polyoxyethylene glycol or Polyvinylpyrolidone (PVP), or their mixture.
4, the method for claim 3, wherein emulsifying agent is a tween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031374182A CN100358844C (en) | 2003-06-20 | 2003-06-20 | Fertilizer for medium and low output field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031374182A CN100358844C (en) | 2003-06-20 | 2003-06-20 | Fertilizer for medium and low output field |
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| Publication Number | Publication Date |
|---|---|
| CN1472178A CN1472178A (en) | 2004-02-04 |
| CN100358844C true CN100358844C (en) | 2008-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB031374182A Expired - Fee Related CN100358844C (en) | 2003-06-20 | 2003-06-20 | Fertilizer for medium and low output field |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320886B (en) * | 2011-08-19 | 2013-11-06 | 天津市施易得肥料有限公司 | Preparation method of polymer reticular fiber membrane condensed liquid fertilizer |
| CN102766468B (en) * | 2012-06-20 | 2015-05-20 | 杨德志 | Saline-alkali soil modifier, and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125213A (en) * | 1994-12-21 | 1996-06-26 | 中国科学院沈阳应用生态研究所 | Fertilizer synergist |
| CN1360466A (en) * | 1999-07-05 | 2002-07-24 | 科学技术振兴事业团 | Construction of rice tolerant to iron deficiency |
| CN1379002A (en) * | 2001-04-09 | 2002-11-13 | 大庆高等专科学校 | Slow releasing agent of urea |
-
2003
- 2003-06-20 CN CNB031374182A patent/CN100358844C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125213A (en) * | 1994-12-21 | 1996-06-26 | 中国科学院沈阳应用生态研究所 | Fertilizer synergist |
| CN1360466A (en) * | 1999-07-05 | 2002-07-24 | 科学技术振兴事业团 | Construction of rice tolerant to iron deficiency |
| CN1379002A (en) * | 2001-04-09 | 2002-11-13 | 大庆高等专科学校 | Slow releasing agent of urea |
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| CN1472178A (en) | 2004-02-04 |
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