CN109776218A - A kind of Jian Kuo pea regulation special fertilizer - Google Patents
A kind of Jian Kuo pea regulation special fertilizer Download PDFInfo
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Abstract
A kind of Jian Kuo pea regulation special fertilizer, according to parts by weight, 10~30 parts of sulfur-bearing coated slow release urea, 10~40 parts of granulated phosphate fertilizer, 10~30 parts of granular potash fertilizer, yellow 10~30 parts of the mustard seed dregs of rice, 10~20 parts of hydrolyzed feather meal, 1~5 part of ferrous sulfate, 0.5~2 part of ammonium molybdate, 0.1~1 part of cobalt oxalate, 0.1~1 part of lemon acid rare earth, 0.1~0.5 part of titanium potassium oxalate.Jian Kuo pea of the present invention regulation special fertilizer by it is organic with inorganic phase combination, it is quick-acting combined with slow, largely micro and beneficial element combines, nutrition regulation is combined with fixed nitrogen function controlling, the goodness of fit of Reasonable Regulation And Control Jian Kuo pea nutrient supply curve and growth curve, improves the yield and quality of Jian Kuo pea and the utilization rate of fertilizer.
Description
Technical field
The present invention relates to fertilizer, more particularly to a kind of regulation for being suitable for leguminous green manure plant Jian Kuo pea growth rhythm
Dedicated fertilizer.
Background technique
Jian Kuo pea, Dicotyledoneae Rosales pulse family Vetch is annual or biennial herb.Jian Kuo pea was both
It is the high-quality leguminous green manure plant of good herbage variety and processing of farm products raw material and a kind of improvement of middle-and-low-yielding fields.Jian Kuo
Pea is to harvest based on aerial part cauline leaf, in addition to being cradled as feed, can return soil with green manuring.Plant Jian Kuo pea
Beans promote the coordination of farming and animal husbandry to increasing soil fertility, and protection agroecological environment is of great significance.
Arrow Kuo pea is suitble to grow on dry, Wen Liang, well-drained sand loam, and nutrient growth speed is fast,
Biological yield is big, and nutritive value is high, and the demand to various nutrients and beneficial element differs greatly with general crops, presents
Special nutrient requirement characteristics out.
Jian Kuo pea has stronger nitrogen fixing capacity, has specific need to a great number of elements, microelement and beneficial element
The amount of asking and demand percentage.But the research at present about Jian Kuo pea nutritional need rule is very few, applies fertilizer in production more blindly,
Nitrogen fertilizer amount is higher, nitrogen phosphoris and potassium fertilizer ratio imbalance, causes growth nutrient growth early period of Jian Kuo pea excessively prosperous, and the later period lodges and rots existing
As serious.
In turn, the fertilising link in Jian Kuo pea production at present does not account for the synergistic effect of various nutrients, especially
It is to promote the various microelements of nitrogen fixation and beneficial element application insufficient, leads to the reduction of Jian Kuo pea nitrogenase activity, fertilizer
Expect that utilization rate is low, economic loss and environmental pollution is serious.
The current special fertilizer in relation to Jian Kuo pea has not been reported, in the market also without Related product.In the production of Jian Kuo pea
Fertilising be largely to bombard, fertilizer supply rate is Yu the growth curve of Jian Kuo pea is misfitted, and early period, rate of release was fast, support
It shunts and loses seriously, the later period, de- fertile phenomenon was obvious, and yield and quality is affected.
Summary of the invention
Present invention aim to address fertilisings present in the plantation of Jian Kuo pea blindly, nitrogen fertilizer amount is higher, nutrient
It is out of proportion, nitrogenase activity is low, nutrient growth early period is excessively prosperous, later period de- fertilizer is serious, low output, inferior problem, provide
It is a kind of it is organic combined with inorganic phase, it is quick-acting combined with slow, largely micro and beneficial element combine, nutrition regulation and fixed nitrogen
Function controlling combines Jian Kuo pea regulation special fertilizer.
In order to solve the above technical problems, the present invention is ground by indoor nitrogenase activity determination and nutrient compatibility mechanism
Study carefully, specifies arrow Kuo pea nitrogenase activity changing rule, Yi Jitie, molybdenum, cobalt, titanium and rare earth etc. are micro and beneficial element is to solid
The influence of nitrogen enzymatic activity, by pot experiment system research a great number of elements, microelement and beneficial element absorbing rule and
The big of various nutrients and organic materials single factor test and various factors coupling is arranged in the synergistic effect of nutrient on this basis
Field test, develops the nutritional need rule of Jian Kuo pea, and the collaboration for proposing a great number of elements, microelement and beneficial element increases
Mechanism is imitated, solves the mixing ratio and quantitative effect of available nutrient and slow nutrient, organic materials and inorganic material, is rationally adjusted
The goodness of fit for controlling nutrient supply curve and growth curve, improves the yield and quality of Jian Kuo pea, improves utilization rate of fertilizer,
It is of great significance to promotion China's green manure industry.
Jian Kuo pea regulation special fertilizer of the present invention is by a great number of elements nitrogen, phosphorus, potassium, organic materials, microelement
And beneficial element composition, according to parts by weight, 10~30 parts of sulfur-bearing coated slow release urea, 10~40 parts of granulated phosphate fertilizer, particle
10~30 parts of potash fertilizer, yellow 10~30 parts of the mustard seed dregs of rice, 10~20 parts of hydrolyzed feather meal, 1~5 part of ferrous sulfate, ammonium molybdate 0.5~2
Part, 0.1~1 part of cobalt oxalate, 0.1~1 part of lemon acid rare earth, 0.1~0.5 part of titanium potassium oxalate.
In Jian Kuo pea of the present invention regulation special fertilizer, a great number of elements nitrogen, phosphorus, potassium ratio be preferably N:
P2O5∶K2O=1: 1.5~2.5: 1~2.
In Jian Kuo pea regulation special fertilizer of the present invention, slow is introduced while nitrogen fertilizer amount is greatly lowered
Nitrogenous fertilizer, and improve the dosage of phosphate fertilizer and potash fertilizer.Such ratio can effectively induce the nitrogenase activity of Jian Kuo pea, rationally
Adjust Jian Kuo pea nutrient growth early period and later period reproductive growth relationship, control early period promote the later period, prevent Jian Kuo pea lodging and
It rots, improves its field effect.
In the present invention, sulphur coated slow release urea sulfur-bearing 10%, nitrogenous 37%, the 2.00~4.75mm of granularity discharge day
Number is 30~60 days.
In the present invention, the granulated phosphate fertilizer is one or two kinds of mixtures of monoammonium phosphate or Diammonium phosphate (DAP), granularity
2.00~4.75mm.
In the present invention, the granular potash fertilizer is the mixture of one or both of potassium sulfate or potassium chloride, granularity
2.00~4.75mm.
In the present invention, the yellow mustard seed dregs of rice are generated after being extracted oil using juncea oil variety rheum officinale mustard or little Huang mustard
Byproduct.Its content of organic matter is high, good with N P and K cooperation synergy, while also including polyphenols, has promoting root growth, suppression
The effects of bacterium, expelling parasite, can stimulate Jian Kuo pea root growth, prevent and treat subterranean pest-insect, reduce Pesticide use amount.
In the present invention, the hydrolyzed feather meal is that People's Republic of China's agricultural industry criteria NY/T 915-2004 " is raised
Material use hydrolyzed feather meal hydrolyzed feather meal for feedstuff " defined in poultry carcass depilation plumage
Hair and the hair made after down products screening obstruct, granular material made of cleaned, high temperature and high pressure hydrolysis processing, dry and crushing
Matter.The substance includes a variety of amino acid and polysaccharose substance, is the preferable Source Organic Matter of plant, soil enzyme activities can be improved
And the content of organic matter, while can also chelate to form chelating body with microelement and beneficial element, be beneficial to microelement and have
Beneficial element is absorbed by plants.
In the present invention, the ammonium molybdate, ferrous sulfate are microelement, cobalt oxalate, lemon acid rare earth and titanium potassium oxalate
It is beneficial element.Wherein ferro element, molybdenum element, cobalt element Shi Jian Kuo rhizobium leguminosarum nitrogenase activity promote element, with egg
White matter, which combines, is capable of forming ferritin, molybdoprotein and cobalt albumen, improves rhizobium nitrogenase activity.Titanium elements and rare earth element
The form for breaching tradition application inorganic salts, uses the form of the organic salt of citric acid and oxalic acid instead, performance is more stable, buffer capacity
Power is stronger, stronger with the binding ability of metallic element, can effectively facilitate the absorption and conduction of various nutrients, improves chlorophyll
Content, promotes the synthesis of starch and sugar, and improves plant stress-resistance ability.
Meanwhile the present invention also provides a kind of preparation method for being suitable for the Jian Kuo pea regulation special fertilizer, specifically press
Regulation special fertilizer is prepared according to following steps.
1) the yellow mustard seed dregs of rice are air-dried or are dried, and make water content control 15% hereinafter, crossing 50~60 meshes.
2) hydrolyzed feather meal, ferrous sulfate, ammonium molybdate, cobalt oxalate, lemon acid rare earth, titanium potassium oxalate crush respectively, cross 50
~60 meshes.
3) above-mentioned various raw materials are mixed according to the parts by weight, are stirred evenly, and are sent into granulating disc, and material is controlled
Moisture content makes mixture granulating, and at 55~65 DEG C after drying, cooling, sieve takes the particle of 2.00~4.75mm of partial size.
4) sulfur-coated urea, granulated phosphate fertilizer and granular potash fertilizer of the parts by weight are added in above-mentioned particle, mixing is equal
It is even that Jian Kuo pea regulation special fertilizer finished product is made.
Jian Kuo pea regulation special fertilizer of the present invention combines site preparation as base manure first use prior to seeding, and base is applied per acre
Jian Kuo pea regulates and controls 50~60 kilograms of special fertilizer, and Rotary tillage rake a kind of farm tools is sufficiently mixed with soil.Growth medium no longer top dressing.
Jian Kuo pea regulation special fertilizer of the present invention leads to according to Jian Kuo pea azotase feature and nutritional need rule
The addition nitrogen sustained release factor is crossed, nitrogen fertilizer amount is greatly lowered, improves phosphate fertilizer and Potassium Fertilizer, effectively to induce Jian Kuo pea solid
The activity of nitrogen enzyme, rationally adjusts the relationship of Jian Kuo pea nutrient growth early period and later period reproductive growth, and control promotees the later period, guarantee early period
Stable market supply of the nitrogenous fertilizer within the time of infertility avoids later period lodging and putrefactive phenomenon.Meanwhile Jian Kuo pea regulation of the present invention
Special fertilizer also achieves single fertilization, does not have to top dressing, saves labor.
The yellow mustard seed dregs of rice content of organic matter being added in Jian Kuo pea regulation special fertilizer of the present invention is high, cooperates with nitrogen, phosphorus and potassium fertilizer
Synergy is good.Meanwhile the yellow mustard seed dregs of rice decompose in the soil after can generate polyphenols, have promoting root growth, antibacterial, expelling parasite etc. make
With can stimulate Jian Kuo pea root growth, reduce Pesticide use amount.
The hydrolyzed feather meal being added in Jian Kuo pea regulation special fertilizer of the present invention includes a variety of amino acid and polysaccharide object
Matter is the preferable Source Organic Matter of plant, and the enzymatic activity and the content of organic matter of soil can be improved, and stimulation seed is sprouted, promoted
Jian Kuo pea growth, improve plant resistance, while can also be chelated with microelement and beneficial element to be formed chelating body planted
Object absorbs.
Ferrous sulfate, ammonium molybdate and the cobalt oxalate Shi Jian Kuo pea root being added in Jian Kuo pea regulation special fertilizer of the present invention
Tumor bacterium nitrogenase activity promotes element, combines with protein and is capable of forming ferritin, molybdoprotein and cobalt albumen, improves rhizobium
Nitrogenase activity and nitrogen fixing capacity.
The titanium potassium oxalate that the present invention is added in arrow Kuo pea regulation special fertilizer and the product that lemon acid rare earth is legume
Matter regulates and controls element.Meanwhile the present invention breaches the tradition for applying it in the form of inorganic salts, uses the organic of citric acid and oxalic acid instead
Salt form, performance is more stable, and buffer capacity is stronger, stronger with the binding ability of metallic element, can effectively facilitate various nutrition
The absorption and conduction of element improve chlorophyll content, promote the synthesis of starch and sugar, and improve plant stress-resistance ability.
Rationally, product processes are simple, and production cost is low for Jian Kuo pea regulation special fertilizer formula design of the present invention,
Application is convenient, strong operability, provides the fertilizing method of science, practical valence with higher for China's Jian Kuo pea Green manuring
Value, wide market.
Specific embodiment
Following embodiments are only the preferred technical solution of the present invention, are not used to carry out any restrictions to the present invention.For
For those skilled in the art, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made
Any modification, equivalent substitution, improvement and etc., should all be included in the protection scope of the present invention.
Embodiment 1.
The present embodiment Jian Kuo pea regulates and controls in special fertilizer formula, the various fertilizer in every 100 parts by weight regulation special fertilizer
Component includes: 15 parts of sulfur-coated urea, and 40 parts of granulated phosphate fertilizer, 20 parts of granular potash fertilizer, yellow 10 parts of the mustard seed dregs of rice, hydrolyzed feather meal 10
Part, 3 parts of ferrous sulfate, 1 part of ammonium molybdate, 0.5 part of lemon acid rare earth, 0.25 part of cobalt oxalate, 0.25 part of titanium potassium oxalate.
Sulfur-coated urea S content 10% in the present embodiment, N content 37%, You Hanfeng company Company Shanxi Branch provide.
Granulated phosphate fertilizer in the present embodiment selects commercially available bulky grain monoammonium phosphate, pure N content 11%, P2O5Content 44%.
Granular potash fertilizer in the present embodiment selects commercially available large-particle potassium sulfate, K2O content 50%.
The yellow mustard seed dregs of rice in the present embodiment are that the byproduct after rapeseed oil is extracted in yellow mustard oil expression, are obtained after drying, moisture
Content 25% contains organic matter 60%, contains N 2.9%, contains P2O50.5%, contain K2O 1.5%, by vegetable seed oil expression, enterprise is provided.
Hydrolyzed feather meal in the present embodiment is light golden rod yellow powdery, protein content 75%, moisture content 15%, by feed
Enterprise provides.
Ferrous sulfate, ammonium molybdate, cobalt oxalate, titanium potassium oxalate and lemon acid rare earth in the present embodiment are commercially available chemical industry
Raw material.
The water content of the yellow mustard seed dregs of rice is measured, drying controls its water content 15% hereinafter, crossing 50~60 meshes.Plumage will be hydrolyzed
Mao Fen, ferrous sulfate, ammonium molybdate, lemon acid rare earth, cobalt oxalate and titanium potassium oxalate are crushed with pulverizer respectively, cross 50~60 mesh
Sieve.
Weigh yellow mustard seed dregs of rice 100Kg, hydrolyzed feather meal 100Kg, ferrous sulfate 30Kg, ammonium molybdate 10Kg, lemon acid rare earth
5Kg, cobalt oxalate 2.5Kg and titanium potassium oxalate 2.5Kg, are sent into granulating disc after being mixed evenly, control material moisture carries out
It is granulated, at 55~65 DEG C after drying, cooling, sieve takes the particle of 3.50~4.75mm of partial size as semi-finished product.
The sulfur-coated urea 150Kg, monoammonium phosphate 400Kg and potassium sulfate 200Kg for weighing 3.50~4.75mm of partial size, and it is upper
The semi-finished product for stating granulation are uniformly mixed, and are packed into 50Kg packaging bag, and Jian Kuo pea regulation special fertilizer finished product is prepared.
In Jian Kuo pea regulation special fertilizer manufactured in the present embodiment, the content of organic matter 12% contains pure N 10%, P2O5 17.5%,
K2O 10% contains S 1.5%, Fe 1.2%, Mo 0.5%, simultaneously containing beneficial elements such as Co, Ti, RE necessary to azotase.
Regulate and control special fertilizer using the present embodiment arrow Kuo pea, carries out compliance test result in the village Youyu County Li Jiayao, Shanxi Province
Field trial.
Test site: the village Shuozhou City Youyu County Li Jiayao, Shanxi Province green manure proving ground.
Test period: 2015.
Soil labile organic matter: soil is chestnut soil, and topsoil soils are sandy loam, pH 8.15, contains organic matter in soil
9.82g/Kg, full nitrogen 1.24g/Kg, available phosphorus 6.85mg/Kg, available potassium 132.5mg/Kg.
Test process is divided into application examples and reference examples.Wherein, application examples applies Jian Kuo pea regulation manufactured in the present embodiment
Special fertilizer (10-17-10), 50Kg/ mus of amount of application；Reference examples apply commercially available compound fertilizer (23-12-5), by Shanxi early morning rain group public affairs
Department provides, and 50Kg/ mus of amount of application.
66.7 square meters of plot area/area, are repeated 3 times.
Plantation arrow Kuo Foreign Banks' Entries: it Lan Jian 1, is provided by academy of agricultural sciences, Shanxi Province agricultural environment with the Study on Resources.
May 17 started to sow, and seeding method is to broadcast sowing, and emergence on May 25, thinning on June 5 uses harvester in August 27th
Harvesting, then carries out turning over green manuring.During fertility, emergence rate is investigated, presses cell measurement biomass before harvest, while acquiring plant
Sample measures protein, the acquisition pedotheque measurement soil organism and total nitrogen content.
Table 1 gives the specific effect after application Jian Kuo pea regulation special fertilizer.
As can be seen from Table 1, application Jian Kuo pea regulation special fertilizer can improve the emergence rate of Jian Kuo pea, improve protein
Content and grass yield, wherein protein content increases by 2.3 percentage points, and green forage yield improves 15.2%.Meanwhile the soil organism
Increase with total nitrogen content, soil fertility gets a promotion.
Embodiment 2.
It include: 10 parts of sulfur-coated urea in every 100 parts by weight the present embodiment Jian Kuo pea regulation special fertilizer formula, bulky grain
37.5 parts of Diammonium phosphate (DAP), 20 parts of large-particle potassium chloride, yellow 15 parts of the mustard seed dregs of rice, 12 parts of hydrolyzed feather meal, 3.5 parts of ferrous sulfate, molybdenum
1 part of sour ammonium, 0.5 part of lemon acid rare earth, 0.3 part of cobalt oxalate, 0.2 part of titanium potassium oxalate.
In the present embodiment, the pure N content 14% of bulky grain Diammonium phosphate (DAP), P2O5Content 48%；The K of large-particle potassium chloride2O contains
Amount 60%.
Moisture content 22% in the yellow mustard seed dregs of rice contains organic matter 60%, contains N 2.8%, contains P2O50.45%, contain K2O 1.6%。
Hydrolyzed feather meal protein content 73%, moisture content 16.5%.
Other raw material sources are the same as embodiment 1.
The water content of the yellow mustard seed dregs of rice is measured, drying controls its water content 15% hereinafter, crossing 50~60 meshes.Plumage will be hydrolyzed
Mao Fen, ferrous sulfate, ammonium molybdate, lemon acid rare earth, cobalt oxalate and titanium potassium oxalate are crushed with pulverizer respectively, cross 50~60 mesh
Sieve.
Weigh yellow mustard seed dregs of rice 150Kg, hydrolyzed feather meal 120Kg, ferrous sulfate 35Kg, ammonium molybdate 10Kg, lemon acid rare earth
5Kg, cobalt oxalate 3Kg and titanium potassium oxalate 2Kg are sent into granulating disc after being mixed evenly, control material moisture is granulated,
After drying at 55~65 DEG C, being cooling, sieve takes the particle of 3.50~4.75mm of partial size as semi-finished product.
The sulfur-coated urea 100Kg, Diammonium phosphate (DAP) 375Kg and potassium chloride 200Kg for weighing 3.50~4.75mm of partial size, and it is upper
The semi-finished product for stating granulation are uniformly mixed, and are packed into 50Kg packaging bag, and Jian Kuo pea regulation special fertilizer finished product is prepared.
In Jian Kuo pea regulation special fertilizer manufactured in the present embodiment, the content of organic matter 13.5% contains pure N9%, P2O5 18%,
K2O 12% contains S 1%, Fe 1.8%, Mo 0.5%, simultaneously containing beneficial elements such as Co, Ti, RE necessary to azotase.
Regulate and control special fertilizer using the present embodiment arrow Kuo pea, carries out the field of compliance test result in Shanxi Province, the town Mao Zao, Huairen County
Between test.
Test site: Shanxi Province, the town Mao Zao proving ground, Shuozhou City Huairen County.
Test period: 2015.
Soil labile organic matter: soil is slight soda salinization soil, and topsoil soils are sandy loam, pH 8.75, basicity
(ESP) 13.2%, 10.15g/kg containing organic matter, available phosphorus 7.15mg/kg, available potassium 124.5mg/kg in soil.
Test process is divided into application examples and reference examples.Wherein, application examples applies Jian Kuo pea regulation manufactured in the present embodiment
Special fertilizer (9-18-12), 50Kg/ mus of amount of application；Reference examples apply commercially available compound fertilizer (23-12-5), by Shanxi early morning rain group public affairs
Department provides, and 50Kg/ mus of amount of application.
66.7 square meters of plot area/area, are repeated 3 times.
Plant Jian Kuo Foreign Banks' Entries: 333/A is provided by academy of agricultural sciences, Shanxi Province agricultural environment with the Study on Resources.
May 15 started to sow, and seeding method is to broadcast sowing, and emergence on May 23, thinning on June 1 uses harvester in August 29th
Harvesting, then carries out turning over green manuring.During fertility, emergence rate is investigated, presses cell measurement biomass before harvest, while acquiring plant
Sample measures protein, the acquisition pedotheque measurement soil organism and total nitrogen content.
Table 2 gives the specific effect after application Jian Kuo pea regulation special fertilizer.
As can be seen from Table 2, application Jian Kuo pea regulation special fertilizer can improve the emergence rate of Jian Kuo pea, improve protein
Content and grass yield, wherein protein content increases by 1.6 percentage points, and green forage yield improves 11.3%.Meanwhile the soil organism
Increase with total nitrogen content, soil fertility gets a promotion.
Claims (7)
1. a kind of Jian Kuo pea regulates and controls special fertilizer, by a great number of elements nitrogen, phosphorus, potassium, organic materials, microelement and beneficial element group
At according to parts by weight, 10~30 parts of sulfur-bearing coated slow release urea is 10~40 parts of granulated phosphate fertilizer, 10~30 parts of granular potash fertilizer, yellow
10~30 parts of the mustard seed dregs of rice, 10~20 parts of hydrolyzed feather meal, 1~5 part of ferrous sulfate, 0.5~2 part of ammonium molybdate, cobalt oxalate 0.1~1
Part, 0.1~1 part of lemon acid rare earth, 0.1~0.5 part of titanium potassium oxalate.
2. Jian Kuo pea according to claim 1 regulates and controls special fertilizer, it is characterized in that the ratio of a great number of elements nitrogen, phosphorus, potassium
Example is N: P2O5∶K2O=1: 1.5~2.5: 1~2.
3. Jian Kuo pea according to claim 1 regulates and controls special fertilizer, it is characterized in that the sulphur coated slow release urea sulfur-bearing
10%, nitrogenous 37%, 2.00~4.75mm of granularity.
4. Jian Kuo pea according to claim 1 regulates and controls special fertilizer, it is characterized in that the granulated phosphate fertilizer is monoammonium phosphate
Or one or two kinds of mixtures of Diammonium phosphate (DAP), 2.00~4.75mm of granularity.
5. Jian Kuo pea according to claim 1 regulates and controls special fertilizer, it is characterized in that the granular potash fertilizer be potassium sulfate or
The mixture of one or both of potassium chloride, 2.00~4.75mm of granularity.
6. Jian Kuo pea according to claim 1 regulates and controls special fertilizer, it is characterized in that the yellow mustard seed dregs of rice are to use leaf mustard
The byproduct generated after type oil variety rheum officinale mustard or the oil expression of little Huang mustard.
7. the preparation method of Jian Kuo pea regulation special fertilizer described in claim 1, is specifically prepared according to the following steps:
1) the yellow mustard seed dregs of rice are air-dried or are dried, and make water content control 15% hereinafter, crossing 50~60 meshes；
2) hydrolyzed feather meal, ferrous sulfate, ammonium molybdate, cobalt oxalate, lemon acid rare earth, titanium potassium oxalate crush respectively, cross 50~60
Mesh；
3) above-mentioned various raw materials are mixed according to the parts by weight, are stirred evenly, and are sent into granulating disc, and material moisture is controlled
Content makes mixture granulating, and at 55~65 DEG C after drying, cooling, sieve takes the particle of 2.00~4.75mm of partial size；
4) sulfur-coated urea, granulated phosphate fertilizer and granular potash fertilizer of the parts by weight are added in above-mentioned particle, is uniformly mixed system
Cheng Jian Kuo pea regulates and controls special fertilizer finished product.
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| CN111675586A (en) * | 2020-07-09 | 2020-09-18 | 安徽省农业科学院土壤肥料研究所 | Common vetch formula fertilizer and preparation method thereof |
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Application publication date: 20190521 |