CN104892127A - A high-nitrogen high-sulfur slow release fertilizer for saline-alkali land and applications thereof in plantation of salix alba - Google Patents
A high-nitrogen high-sulfur slow release fertilizer for saline-alkali land and applications thereof in plantation of salix alba Download PDFInfo
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- CN104892127A CN104892127A CN201510254636.3A CN201510254636A CN104892127A CN 104892127 A CN104892127 A CN 104892127A CN 201510254636 A CN201510254636 A CN 201510254636A CN 104892127 A CN104892127 A CN 104892127A
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Abstract
A high-nitrogen high-sulfur slow release fertilizer for saline-alkali land is provided. The slow release fertilizer comprises following components by mass: 33-41 parts of maleic anhydride, 11-15 parts of tetronic acid, 28-32 parts of urea, 12-15 parts of biochemical fulvic acid, 6-9 parts of humic acid, 1-3 parts of chelated zinc, 1-3 parts of chelated copper, 14-18 parts of ammonium sulfate and 1.4-1.8 parts of a capsule wall material. Applications of the slow release fertilizer in plantation of salix alba are also provided. The beneficial effects of the slow release fertilizer and the applications are that the fertilizer efficiency of the slow release fertilizer is prolonged by 35-40 days, the pH of the soil is reduced to 7.7-7.9, the degree of alkalization of soil is reduced to 11.8-12.4%, the soil bulk density is reduced to 0.91-0.97 g/cm<3>, the slow release fertilizer is used for plantation of the salix alba in the saline-alkali land, the survival rate of transplanting of the salix alba is 95.5-97.3%, fruit quality is improved and medicinal value is improved.
Description
Technical field
The invention provides a kind of fertilizer and the application in white willow plantation thereof, be specifically related to a kind of saltings height nitrogen sulphur slow-release fertilizer and the application in white willow plantation thereof, belong to technical field of soil fertilizer.
Background technology
Saltings, the inland soil of China is mainly distributed in the ground such as northeast, North China, northwest, although some area builds Garden Greenland on the ground in good farmland, but irrigate with underground salt water, also Soil Secondary saltings can be caused, it is that soil compaction and Soil structure are poor that saline-alkali soil is cashed the most intuitively, after irrigating, grogs is easy to automatically disperse and form skinning, and then stops moisture to infiltrate and reduce soil water storage capacity.
Existing nitrogenous fertilizer, sulfur fertilizer, in the use procedure of saltings, are failed to be convened for lack of a quorum by drip washing and footpath and produce a large amount of loss, cause waste, and contaminate environment.
Slow-release fertilizer improves a kind of important channel of utilization rate of fertilizer, and existing slow-release fertilizer, in improvement saltings, comes with some shortcomings, and limit its application in alkaline land improving, the deficiency that slow-release fertilizer exists is: (1) fertilizer efficiency is short, and release rate is fast; (2) soil pH, the basicity of soil, the unit weight of soil can not be reduced preferably simultaneously; (3) soil after improvement, planting plants, surviving rate is low, and increment is little, and root system is undeveloped, and fruit quality is not good.
Summary of the invention
The present invention is the deficiency solving prior art existence, provides a kind of saltings height nitrogen sulphur slow-release fertilizer and the application in white willow plantation thereof, to realize following goal of the invention:
(1) fertilizer prepared of the present invention, nitrogen, sulphur content are high, long-acting slow-release, and slow-release fertilizer fertilizer efficiency extends 35-40 days.
(2) fertilizer of the present invention is applied to saltings, reduces soil pH, reduces the basicity of soil, reduces the unit weight of soil.
(3) fertilizer of the present invention is planted for the saltings of white willow, and white willow transplanting survival rate is high, and height year increment reaches 45-55cm, and hat width year increment reaches 42-63cm, well developed root system.
(4) fertilizer of the present invention is planted for the saltings of white willow, and the quality of fruit improves.
(5) fertilizer of the present invention is planted for the saltings of white willow, improves the pharmaceutical use of white willow, in salicis,cortex salicyl alcohol glucoside content improve 12-15%, can be used as medicine.
for solving the problems of the technologies described above, by the following technical solutions:
A kind of saltings height nitrogen sulphur slow-release fertilizer, described slow-release fertilizer, comprises tetronic acid, urea, ammonium sulfate, cyst material; Described cyst material is the one in polyisocyanates, polyacrylic acid, bisphenol A type epoxy resin.
Described slow-release fertilizer, the mass ratio of each component is: maleic anhydride 33-41 part, tetronic acid 11-15 part, urea 28-32 part, biochemical fulvic acid 12-15 part, humic acids 6-9 part, chelated zinc 1-3 part, chelated copper 1-3 part, ammonium sulfate 14-18 part, cyst material 1.4-1.8 part.
A preparation method for saltings height nitrogen sulphur slow-release fertilizer, described preparation method, comprises melting, and described melt temperature is 136-140 DEG C.
Described preparation method, comprises preheating, and described preheating temperature is 100-110 DEG C.
Described preparation method, comprises granulation, described granulation, and prilling tower diameter is 25-30m, is highly 130-135m.
The application of saltings height nitrogen sulphur slow-release fertilizer in white willow plantation, described application, comprises the selection in saltings, and described saltings is severe alkali-affected soil, pH value ﹥ 8.7, basicity 15-20%, saltiness ﹤ 0.5%, and the unit weight of soil is 1.59-1.65g/cm
3.
Described application comprises cutting propagation, described cutting propagation, when nursery stock grows to 2.5m, transplants when the diameter of a cross-section of a tree trunk 1.3 meters above the ground is 2cm.
White willow of the present invention is in the nursery stage, and the formation time of root restriction is 30-35 days, shortens 20-30 days, and cutting plantation is 94.6-95.9%.
Described fertilizer is planted for the saltings of white willow, and the transplanting survival rate of white willow is 95.5-97.3%.
compared with prior art, the invention has the beneficial effects as follows:
(1) fertilizer of the present invention, after using, the nitrogen release rate in 28d is 60-65%, and sulphur release rate is 70-75%, and slow-release fertilizer fertilizer efficiency extends 35-40 days.
(2) fertilizer of the present invention is applied to saltings, and effectively the alkaline land soil of improvement planting area, reduces soil pH, reduce the basicity of soil, reduce the unit weight of soil, soil pH is 7.7-7.9, the basicity of soil is 11.8-12.4%, and the unit weight of soil is 0.91-0.97 g/cm
3.
(3) fertilizer of the present invention is planted for the saltings of white willow, and white willow transplanting survival rate is 95.5-97.3%; Height year increment is 45-55cm, and hat width year increment is 42-63cm; White willow well developed root system, plant 1 year, lateral root length is 5.5-6.5m, can resist 9 grades with apparatus for lower wind.
(4) fertilizer of the present invention is planted for the saltings of white willow, and the index of white willow fruit is: diameter 5-10 millimeter, 2-3 room, brown, and have light color spot, sepal comes off, base portion tool band fine hair carpopodium.
(5) fertilizer of the present invention is planted for the saltings of white willow, white willow pharmaceutical use improves, in salicis,cortex salicyl alcohol glucoside content improve 12-15%, salicyl alcohol glucoside can be used as medicine, salicyl alcohol glucoside has advantageous advantage beauty treatment aspect, can promote skin metabolism, improve skin skin quality, the colour of skin and smoothness.
(6) white willow of the present invention is in the nursery stage, and the formation time of root restriction is 30-35 days, shortens 20-30 days, and cutting plantation is 94.6-95.9%.
Embodiment
embodiment 1 one kinds of saltings height nitrogen sulphur slow-release fertilizers
(1) fertilizer formula
(2) preparation method
A, melting
By the high-temperature fusion of urea through 136-140 DEG C, enter in dashpot, deliver in tempering tank after metering;
B, preheating
After the metering of maleic anhydride, tetronic acid, biochemical fulvic acid, humic acids, chelated zinc, chelated copper, ammonium sulfate, send in agitator according to proportioning and fully mix, send in batch mixing well heater after mixing, be heated to 100-110 DEG C;
Prepared by c, low temperature eutectic
Melting nitric acid phosphorus a step prepared mixes with preheating material prepared by b step, be mixed and made into slip through high shear agitation machine, slip mixing time is 5-6min, forms the low temperature eutectic with certain fluidity energy, and temperature is controlled at 120-130 DEG C, standby granulation is used;
D, granulation
By the mixed slurry of step c, deliver to prilling spry, under the effect of shower nozzle rotational shear centrifugal force, mixture is evenly sprayed into globular small droplets, small droplets is at diameter 25-30m, slowly fall in the tower of high 130-135m, through being cooled to 40-42 DEG C with in tower after upstream heat exchange, composite fertilizer's small-particle;
E, overlay film
After screening, use polyisocyanates overlay film.
embodiment 2 one kinds of saltings height nitrogen sulphur slow-release fertilizers
(1) fertilizer formula
(2) preparation method
Adopt the preparation method of embodiment 1 to prepare fertilizer, only change the cyst material that overlay film uses, the cyst material of use is bisphenol A type epoxy resin.
embodiment 3 one kinds of saltings height nitrogen sulphur slow-release fertilizers
(1) fertilizer formula
(2) preparation method
Adopt the preparation method of embodiment 1 to prepare fertilizer, only change the cyst material that overlay film uses, the cyst material of use is polyacrylic acid.
the application of the above-mentioned fertilizer of embodiment 4 in white willow plantation
(1) selection in saltings
The pH value ﹥ 8.7 of severe alkali-affected soil, basicity 15-20%, saltiness ﹤ 0.5%, the unit weight of soil is 1.59-1.65g/cm
3.
(2) cutting propagation
1) elite stand process: in order to obtain excellent germinating spray, in 1 ~ February then by the process of scion-seed tree cutting strunk, cutting strunk height 21cm ~ 22cm.
2) cutting medium process: be that peat soil and the perlite of 1 ~ 2mm is mixed and made into cutting medium according to the volume ratio of 2:1 by particle diameter, add the plant ash of 10% again, the xanthohumic acid of 14%, mix, and the cutting medium configured being loaded the seedling culture hole plate of 50 cave specifications, cave mouth diameter is 6cm, the degree of depth is 11cm.
3) growth hormone process: the germinating branch that clip is disease-free, select semi-lignified degree cuttings, each cuttings is about 12cm, and have and comprise 1 axillalry bud, and retain 1 half leaf, cuttings is sterilized, then the base portion of cuttings is soaked in the s-abscisic acid solution of 50ppm, soak time 30min.
4) cuttage: the cuttage degree of depth, at about 6cm, suitably compresses, clear water of then drenching, sprays the prochloraz solution of 1000 times 50%.
5) management after inserting: be placed in warmhouse booth by the seedling culture hole plate of good for cuttage nursery stock, makes that envrionment temperature remains on 25 DEG C ~ 32 DEG C, humidity remains on 90-93%.
When nursery stock grows to 2.5m, transplant when the diameter of a cross-section of a tree trunk 1.3 meters above the ground is 2cm.
(3) apply fertilizer
Used as base manure by fertilizer, spread fertilizer over the fields according to the consumption of every mu of saltings 150kg, then carry out ploughing deeply soil, make land smoothing, soil particle particle diameter is 6-7mm.
(4) plant
Dig by seeding row spacing 60 × 80cm and transplant cave, the dark 40cm in cave, back cut diameter 30cm; Then nursery stock is put into and transplant cave, compacting of watering of banketing.
(5) irrigation and draining
Hold irrigation and drainage irrigation canals and ditches successfully, lowering of watertable when being beneficial to abundance of water, avoid accumulated water after rain, diversion irrigation during arid, ensures that nursery stock normal growth is grown.Watered first pass on the same day of transplanted seedling tree permeable, water after three days second time permeable, water after ten days the 3rd time permeable, guarantee Survival rate of nursery stock.
(6) manage
Timely weeding, when natural precipitation is too much, discharge remaining water even if open up nitches and gutters, vegetative period sprays growth media, sprays side week about, growth media consist of potassium sulfate: calcium sulfate: rare earth acetate: L-glutamic acid is 10:3:2:2.
According to weather condition, optimum period, waters, and maintenance soil moisture content is 25 ~ 30wt%, carries out normal field management.After Withdrawal, carry out improving straw mulching by the end of August at the beginning of 9 months to the soil of growing area, stalk can select the stalk of straw, corn, wheat, and cladding thickness is 16-20cm.
test-results:
Fertilizer of the present invention, after using, the nitrogen release rate in 28d is 60-65%, and sulphur release rate is 70-75%, and slow-release fertilizer fertilizer efficiency extends 35-40 days.
After fertilizer of the present invention is used for saltings, effectively the alkaline land soil of improvement planting area, reduces soil pH, reduce the basicity of soil, reduce the unit weight of soil, plant after 1 year, soil pH is 7.7-7.9, and the basicity of soil is 11.8-12.4%, and the unit weight of soil is 0.91-0.97 g/cm
3.
Fertilizer of the present invention is planted for the saltings of white willow, and the transplanting survival rate of white willow is 95.5-97.3%, and height year increment is 45-55cm, and hat width year increment is 42-63cm.
Fertilizer of the present invention is planted for the saltings of white willow, white willow well developed root system, plant 1 year, lateral root length is 5.5-6.5m, 9 grades can be resisted with apparatus for lower wind, in salicis,cortex salicyl alcohol glucoside content improve 12-15%, salicyl alcohol glucoside can be used as medicine, salicyl alcohol glucoside has advantageous advantage beauty treatment aspect, can promote skin metabolism, improve skin skin quality, the colour of skin and smoothness.
White willow of the present invention is in the nursery stage, and the formation time of root restriction is 30-35 days, shortens 20-30 days, and cutting plantation is 94.6-95.9%.
Specific targets are in table 1.
As seen from the experiment, embodiment 2 is preferred embodiments.
The above is the citing of best mode for carrying out the invention; the part wherein do not addressed in detail is the common practise of those of ordinary skill in the art; protection scope of the present invention is as the criterion with the content of claim; any equivalent transformation carried out based on technology enlightenment of the present invention, also within protection scope of the present invention.
Claims (9)
1. a saltings height nitrogen sulphur slow-release fertilizer, is characterized in that: described slow-release fertilizer, comprises tetronic acid, urea, ammonium sulfate, cyst material; Described cyst material is the one in polyisocyanates, polyacrylic acid, bisphenol A type epoxy resin.
2. a kind of saltings according to claim 1 height nitrogen sulphur slow-release fertilizer, it is characterized in that: described slow-release fertilizer, the mass ratio of each component is: maleic anhydride 33-41 part, tetronic acid 11-15 part, urea 28-32 part, biochemical fulvic acid 12-15 part, humic acids 6-9 part, chelated zinc 1-3 part, chelated copper 1-3 part, ammonium sulfate 14-18 part, cyst material 1.4-1.8 part.
3. a preparation method for saltings height nitrogen sulphur slow-release fertilizer, is characterized in that: described preparation method, comprises melting, described melt temperature is 136-140 DEG C.
4. the preparation method of a kind of saltings according to claim 3 height nitrogen sulphur slow-release fertilizer, it is characterized in that: described preparation method, comprises preheating, described preheating temperature is 100-110 DEG C.
5. the preparation method of a kind of saltings according to claim 3 height nitrogen sulphur slow-release fertilizer, it is characterized in that: described preparation method, comprises granulation, described granulation, prilling tower diameter is 25-30m, is highly 130-135m.
6. the application of saltings height nitrogen sulphur slow-release fertilizer in white willow plantation, is characterized in that: described application, comprises the selection in saltings, described saltings is severe alkali-affected soil, pH value ﹥ 8.7, basicity 15-20%, saltiness ﹤ 0.5%, the unit weight of soil is 1.59-1.65g/cm
3.
7. the application of a kind of saltings according to claim 6 height nitrogen sulphur slow-release fertilizer in white willow plantation, is characterized in that: described application comprises cutting propagation, described cutting propagation, when nursery stock grows to 2.5m, transplants when the diameter of a cross-section of a tree trunk 1.3 meters above the ground is 2cm.
8. the application of a kind of saltings according to claim 6 height nitrogen sulphur slow-release fertilizer in white willow plantation, is characterized in that: white willow of the present invention is in the nursery stage, and the formation time of root restriction is 30-35 days, shortens 20-30 days, and cutting plantation is 94.6-95.9%.
9. the application of a kind of saltings according to claim 6 height nitrogen sulphur slow-release fertilizer in white willow plantation, is characterized in that: the transplanting survival rate of described white willow is 95.5-97.3%.
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| CN201510254636.3A CN104892127A (en) | 2015-05-19 | 2015-05-19 | A high-nitrogen high-sulfur slow release fertilizer for saline-alkali land and applications thereof in plantation of salix alba |
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| CN201510254636.3A CN104892127A (en) | 2015-05-19 | 2015-05-19 | A high-nitrogen high-sulfur slow release fertilizer for saline-alkali land and applications thereof in plantation of salix alba |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107188672A (en) * | 2017-05-27 | 2017-09-22 | 金正大生态工程集团股份有限公司 | A kind of dimerization acid-based epoxy resins film-coated controlled release fertilizer and preparation method thereof |
| CN111108930A (en) * | 2020-02-13 | 2020-05-08 | 山东省林业科学研究院 | Method for improving rooting rate of white willow cuttage |
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| CN102746048A (en) * | 2012-07-18 | 2012-10-24 | 张永康 | Special improved organic fertilizer for saline-alkali soil and preparation method and application thereof |
| CN103396213A (en) * | 2013-07-23 | 2013-11-20 | 苏州仁成生物科技有限公司 | Potassium-rich microcapsule fertilizer and preparation method thereof |
| CN103449883A (en) * | 2013-09-03 | 2013-12-18 | 张永康 | Preparation method and application method of ecological improving fertilizer for saline-alkali land |
| CN103641666A (en) * | 2013-12-23 | 2014-03-19 | 史丹利化肥股份有限公司 | Special cotton fertilizer for regulating and controlling coastal saline-alkali land soil and preparation method thereof |
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2015
- 2015-05-19 CN CN201510254636.3A patent/CN104892127A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746048A (en) * | 2012-07-18 | 2012-10-24 | 张永康 | Special improved organic fertilizer for saline-alkali soil and preparation method and application thereof |
| CN103396213A (en) * | 2013-07-23 | 2013-11-20 | 苏州仁成生物科技有限公司 | Potassium-rich microcapsule fertilizer and preparation method thereof |
| CN103449883A (en) * | 2013-09-03 | 2013-12-18 | 张永康 | Preparation method and application method of ecological improving fertilizer for saline-alkali land |
| CN103641666A (en) * | 2013-12-23 | 2014-03-19 | 史丹利化肥股份有限公司 | Special cotton fertilizer for regulating and controlling coastal saline-alkali land soil and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107188672A (en) * | 2017-05-27 | 2017-09-22 | 金正大生态工程集团股份有限公司 | A kind of dimerization acid-based epoxy resins film-coated controlled release fertilizer and preparation method thereof |
| CN111108930A (en) * | 2020-02-13 | 2020-05-08 | 山东省林业科学研究院 | Method for improving rooting rate of white willow cuttage |
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