CN102070371B - Environmentally-friendly natural multielement rock fertilizer - Google Patents

Environmentally-friendly natural multielement rock fertilizer Download PDF

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Publication number
CN102070371B
CN102070371B CN 201010564850 CN201010564850A CN102070371B CN 102070371 B CN102070371 B CN 102070371B CN 201010564850 CN201010564850 CN 201010564850 CN 201010564850 A CN201010564850 A CN 201010564850A CN 102070371 B CN102070371 B CN 102070371B
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powder
rock
fertilizer
dolomite
quartz
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CN102070371A (en
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吴才来
方嘉祐
周永富
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Wu Cailai
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Abstract

The invention relates to an environmentally-friendly natural multielement rock fertilizer, comprising the following components in percentage by weight: 45%-55% of quartzdiorite powder with particles being less than or equal to 200 meshes, 22%-25% of phosphoric metamorphic rock powder, 16%-18% of potassium-rich shale powder, 5%-8% of dolomite powder, 2%-4% of salt solution with the mass concentration of NaCl being 1%-3%. A preparation method comprises the following steps of: weighing the quartzdiorite powder, the phosphoric metamorphic rock powder, the potassium-rich shale powder and the dolomite powder, arranging the materials into a stirrer for mixing uniformly, spraying salt solution with the mass concentration of NaCl being 1%-3% into powder bodies mixed uniformly, preparing into spherical granules by a granulator, roasting the granules by a roaster, putting the granules into an electromagnetic field for carrying out magnetizing treatment, and preparing the environmentally-friendlynatural multielement rock fertilizer disclosed by the invention. By adopting the environmentally-friendly natural multielement rock fertilizer, the yield of crops is increased, the quality of the crops is improved, the soil structure is improved, and safe eating of the crops is ensured.

Description

The environment-friendly type natural multielement rock fertilizer
Technical field
the invention belongs to the agricultural fertilizer technical field, relate to a kind of environment-friendly type natural multielement rock fertilizer, more particularly the present invention relates to multiple element in natural rock, as silicon, phosphorus, potassium, calcium, magnesium etc., promotes increasing crop yield, improves crops quality, improves Soil structure, guarantees a kind of rock fertilizer that farm crop are safe to eat.
Background technology
for a long time, vast farmers relies on chemical fertilizer and promotes the growth of farm crop and improve the output of farm crop, causes nutritive props imbalance in arable soil, and organic content descends, soil compaction, and underground water source pollutes, and agroecological environment worsens.Although use chemical fertilizer can make the output of farm crop improve, the quality of farm crop seriously descends.People are for a long time edible uses grain that chemical fertilizer grows out, fruit, vegetables etc., can cause the health chronic poisoning, and harmful HUMAN HEALTH, even suffer from strange disease.Therefore, people thirst for that in agricultural production process a kind of aboundresources can be arranged, cheap, the natural rock fertilizer that can effectively improve again edatope, accelerate the growth of farm crop, improve agricultural output and quality, reduce and absorb the agricultural chemicals of remnants in agricultural land soil.In recent years, part Study unit and investigator started to develop some natural mineral fertilizers, but these mineral fertilizers need to be greater than the pyroprocessing of 1200 ℃ in the course of processing, and energy consumption is larger; Simultaneously, need by chemical method the useful component in mineral is as concentrated as potassium, phosphorus etc., to improve the content of these compositions, but in the mineral fertilizer of producing so unavoidably also residual bottom divide chemical material, easily absorbed by crops, cause the quality of farm crop to be subject to certain impact, severe patient also may cause some eaters' disease.The inventor has applied for denomination of invention in 2006: " natural Multi-element mineral fertilizer " number of patent application: 2006100722408, but wherein containing the K in the potassium silty shale 2 o content is lower, needs K in weathering-china stone 2 o content is greater than the content that 4% raw material supplements potassium, even now, and in this mineral fertilizer, the content of potassium is still not high.In order to overcome the deficiency existed in above-mentioned fertilizer, the invention provides a kind of natural multielement rock fertilizer, particularly utilize rich potassium shale as one of main raw material, improve the content of potassium in rock fertilizer, thereby promote better growth and the volume increase of crop.Therefore, this rock fertilizer be take different natural rocks as raw material, by structure, structure, mineral composition and the physicochemical property thereof of studying these rocks, the occurrence status of useful element etc., utilize the method for physics that useful component is wherein improved as phosphorus, potassium equal size, to increase fertilizer efficiency.Because raw material is natural rock, after putting into soil, can improve soil with organic matter content, increase soil aggregate, improve the soil physical chemistry performance, alleviate soil compaction; This rock fertilizer, except conventional fertile composition is arranged, also contains the tens of kinds of nutritive elements that crop growth is required such as silicon, calcium, magnesium, iron, copper, manganese, zinc, molybdenum, boron, selenium, titanium, sodium, vanadium, nickel, iodine, aluminium, chromium.This rock fertilizer of long-term application, can increase the content of the soil organism, promotes organic substance decomposing, solid-state phosphorus in activating soil, increase soil fertility, residual agricultural chemicals and objectionable impurities in degraded soil, reach the balance soil acidity or alkalinity, improve soil quality, purify the purpose of edatope; In addition, use this rock fertilizer, can improve Genes For Plant Tolerance natural disaster ability and improve utilization rate of fertilizer and extend fertilizer efficiency period.
Summary of the invention
one of purpose of the present invention is to provide a kind of environment-friendly type natural multielement rock fertilizer, it is characterized in that: this environment-friendly type natural multielement rock fertilizer is composed of the following components by weight percentage:
particle is less than or equal to 200 purpose quartz dioite powder 45%-55%
particle is less than or equal to the phosphorous rotten rock dust 22%-25% of 200 purpose
particle is less than or equal to the rich potassium shale powder of 200 purposes 16%-18%
particle is less than or equal to 200 purpose dolomite rock dust 5%-8%
the salt solution 2%-4% that the NaCl mass concentration is 1%-3%.
preferably, a kind of environment-friendly type natural multielement rock fertilizer is characterized in that: this environment-friendly type natural multielement rock fertilizer is composed of the following components by weight percentage:
particle is less than or equal to 200 purpose quartz dioite powder 50%
particle is less than or equal to the phosphorous rotten rock dust 23% of 200 purpose
particle is less than or equal to the rich potassium shale powder 17% of 200 purposes
particle is less than or equal to 200 purpose dolomite rock dust 7%.
the salt solution 3% that the NaCl mass concentration is 1%-3%.
described, a kind of environment-friendly type natural multielement rock fertilizer is characterized in that: the SiO in quartz dioite 2 57%, A1 2 o 3 14%, Na 2 o+K 2 o>5%, P in phosphorous metamorphosed rock 2 o 5 8%, CaO 18%, the K in rich potassium shale 2 o>10% and potassium-bearing mineral be mainly potassium felspar sand and glaukonine, the CaO in dolomite 25%, MgO 20%.
another object of the present invention is to provide a kind of preparation method of environment-friendly type natural multielement rock fertilizer, it is characterized in that: comprise the following steps:
step 1: by quartz dioite, phosphorous metamorphosed rock, rich potassium shale and dolomite rock respectively with pulverizer pulverize, grind into powder, cross 200 mesh sieves, the powder sieved is standby, the particle by sieve does not repeat to pulverize, grind into powder sieves samsara, obtain quartz dioite powder, phosphorous rotten rock dust, rich potassium shale powder and dolomite rock dust, standby;
step 2: by step 1, standby quartz dioite powder, phosphorous rotten rock dust, rich potassium shale powder and dolomite rock dust weighed and is placed on stirrer and mixes by the weight part of component; make spheroidal particle thing, baking machine baking, the spheroidal particle thing after baking is put into to elect magnetic field magnetize processing through nodulizer spraying salt solution in the powder after mixing, make spheroidal particle thing remanent magnetism reach 10 -2 one 10 -1 mT makes environment-friendly type natural multielement rock fertilizer of the present invention.
preferably, the preparation method of environment-friendly type natural multielement rock fertilizer is characterized in that: comprise the following steps:
step 1: select SiO 2 57%, A1 2 o 3 14%, Na 2 o+K 2 o>5% quartz dioite ore, P 2 o 5 8%, CaO 18% phosphorous metamorphosed rock ore, K 2 o>10% and potassium-bearing mineral be mainly the rich potassium shale ore of potassium felspar sand and glaukonine, CaO>25%, MgO 20% dolomite ore respectively with pulverizer pulverize, grind into powder, cross 200 mesh sieves, the powder sieved is standby, the particle by sieve does not repeat to pulverize, grind into powder sieves samsara, obtain quartz dioite powder, phosphorous rotten rock dust, rich potassium shale powder and dolomite rock dust, standby;
step 2: the standby quartz dioite powder by step 1, phosphorous rotten rock dust, rich potassium shale powder and dolomite rock dust are by weigh 45 parts-55 parts, quartz dioite powder of the weight part of component, 22 parts-25 parts of phosphorous rotten rock dust, 16 parts-18 parts of rich potassium shale powder, 5 parts-8 parts of dolomite rock dust are placed in stirrer and mix, spray 2 parts-4 parts of salt solutions that the NaCl mass concentration is 1%-3% in powder after mixing and make the spheroidal particle thing through nodulizer, toast 20 minutes-50 minutes globulate particulate matter through baking machine at 300-600 ° of C temperature, spheroidal particle thing after baking is put into to elect magnetic field and magnetize processing, make spheroidal particle thing remanent magnetism reach 10 -2 one 10 -1 mT makes environment-friendly type natural multielement rock fertilizer of the present invention.
most preferably, the preparation method of environment-friendly type natural multielement rock fertilizer is characterized in that: comprise the following steps:
step 1: select SiO 2 57%, A1 2 o 3 14%, Na 2 o+K 2 o>5% quartz dioite ore, P 2 o 5 8%, CaO 18% phosphorous metamorphosed rock ore, K 2 o>10% and potassium-bearing mineral be mainly the rich potassium shale ore of potassium felspar sand and glaukonine, CaO>25%, MgO 20% dolomite ore respectively with pulverizer pulverize, grind into powder, cross 200 mesh sieves, the powder sieved is standby, the particle by sieve does not repeat to pulverize, grind into powder sieves samsara, obtain quartz dioite powder, phosphorous rotten rock dust, rich potassium shale powder and dolomite rock dust, standby;
step 2: the standby quartz dioite powder by step 1, phosphorous rotten rock dust, rich potassium shale powder and dolomite rock dust are by weigh 50 parts, quartz dioite powder of the weight part of component, 23 parts of phosphorous rotten rock dust, 17 parts of rich potassium shale powder, 7 parts of dolomite rock dust are placed in stirrer and mix, spray 3 parts of spheroidal particle things of making 2-4mm through nodulizer of salt solution that the NaCl mass concentration is 2% in powder after mixing, 40 minutes globulate particulate matter of drying machine baking at 400-500 ° of C temperature, spheroidal particle thing after baking is put into to elect magnetic field and magnetize processing, make spheroidal particle thing remanent magnetism reach 10 -2 one 10 -1 mT makes environment-friendly type natural multielement rock fertilizer of the present invention.
described quartz dioite (quartz diorite) is dioritic a kind of.Mainly by plagioclase, quartz and mafic minerals, formed.Quartzy volume fraction is 5%-20%, and the melanocratic mineral volume fraction is in 15% left and right, and plagioclase (andesine) accounts for over half, rock tool hypidiomorphic granular texture.When in granite, the quantity of plagioclase increases, just transition is granodiorite or quartz dioite gradually.The difference of he and tonalite have following some: 1. potassium felspar sand content the former is general 10%, and the latter<10%.2. the quartz content latter generally is greater than the former.3., though tonalite is different from quartz dioite with the characteristics of richer quartz and mica, be difficult for measuring definite Mineral Quantitative boundary between them.Tonalite mainly be single little rock mass or be, the edge phase output of the Associated Rocks such as norite, less is independent large rock mass.
described phosphorous metamorphosed rock is rushed the phosphorous metamorphosed rock of phosphorate rock mining by south, Xiusong County, Anhui Province.
described rich potassium shale is by the rich potassium shale of the rich potassium shale ore exploitation in Huashan town, Feng County, Jiangsu Province.
described dolomite is a kind of deposit carbon Carbonate Rocks.Mainly by rhombspar, formed, often sneak into quartz, feldspar, calcite and clay mineral.Be canescence, property is crisp, and hardness is little, with ironware, easily marks scratch.Meet slowly foaming or non-foaming of dilute hydrochloric acid, appearance is very similar to limestone.Can be divided into primary dolomite, diagenetic dolostone and epigenic dolomite by the origin cause of formation; Can be divided into crystal dolomite, remaining alienation particle dolomite, dololithite, dolomicrite etc. by structure.Dolomite is higher containing magnesium, forms white stone flour after weathering.Tough and tensile than limestone.Flux and refractory materials can be made in metallurgical industry, in chemical industry, fused(calcium magnesium)phosphate, granular chemical fertilizer etc. can be manufactured.In addition, also as pottery, preparing glass charge and building stone.
pulverizer of the present invention is the CD Highefficientpulverizer provided by the mechanical company limited of Zhangqiu City, Shandong Province space dragon.
stirrer of the present invention is the CD post-type mixer provided by the mechanical company limited of Zhangqiu City, Shandong Province space dragon.
nodulizer of the present invention is the HKJ nodulizer provided by the mechanical company limited of Zhangqiu City, Shandong Province space dragon.
baking machine of the present invention is the QLG air-flowing type baking machine provided by the mechanical company limited of Zhangqiu City, Shandong Province space dragon.
above-mentioned starting material and equipment is commercially available arriving all.
the inventor in mining area work for many years, the post-doctor is engaged in the research of rock in geological sciences institute, through further investigation and test for many years, invented a kind of natural multielement rock fertilizer, this rock fertilizer has overcome the deficiency of existing chemical fertilizer and other mineral fertilizers, can be widely used as corn, soybean, wheat, sugarcane, tobacco, cereals, dredge the base fertilizer of the farm crop such as dish, melon and fruit and topdress, with the output that improves farm crop, strengthen the quality of farm crop and improve the structure of soil.The starting material of this rock fertilizer are natural rocks, and the root of people, livestock, environment, soil, crop, stem, flower, leaf, fruit food are all had no side effect.Have nutritive element comprehensive, can supplement the soil nutrient comprehensively, equilibrium meets the plant growth needs, and significant effect of increasing production is arranged.It has solved the loss problem of Partial Elements in soil well, crop drought resistance, waterlogging, diseases prevention, diseases and insect pests resistance are greatly improved, crop comprehensive agronomy performance condition is improved significantly, has improved output and the quality of crop, and the economic benefit of generation and social benefit are very remarkable.
quartz dioite, phosphorous metamorphosed rock, rich potassium shale and dolomite are all natural rocks, and in the whole nation, all there is distribution in most of areas.
the quartz dioite essential mineral is plagioclase, quartz, is secondly potassium felspar sand, hornblende and biotite.Plagioclase after processing treatment and potassium felspar sand easily become clay mineral, and quartz becomes the fine sand in soil, and hornblende and biotite can increase the composition of Iron in Soil and potassium after decomposing.By after its fragmentation, as long as the following person of 200 order is mainly quartzy in order to remove a part, improve the content of other mineralogical composition.
phosphorous metamorphosed rock mainly is comprised of quartzy and phosphatic rock, and in broken mill processes, quartz is difficult for levigate relatively, therefore, retains the following fine powder of 200 orders, can effectively improve the content of phosphorus.
rich potassium shale mainly is comprised of potassium felspar sand and glaukonine and clay mineral, a small amount of fine quartz particle.Potassium felspar sand is a kind of thin detrital mineral, and glaukonine is a kind of appositional pattern potassium-bearing mineral, because the granularity of each mineral is all thinner, therefore wants broken, is ground to below 200 orders, utilizes fully potassium-bearing mineral wherein.
the dolomite essential mineral is rhombspar, chemical composition calcic and magnesium, and they play activator with together with salt solution, can effectively improve the activity of potassium in rock fertilizer, phosphorus, silicon, thereby increase fertilizer efficiency.
in view of the mineral that contain the iron content such as hornblende and biotite in natural rock, so the particle rock fertilizer is magnetized by magnetic field, the remanent magnetism that makes the particle rock fertilizer is 10 -2_ 10 -1 mT.
contain the needed nutritive element of crop in natural rock, but the poorly soluble of useful component, crop is difficult to absorb, after calcining, the activity of nutritive element improves widely, add the organic acid effect that interaction between different elements and crop root are secreted out, make the nutritive element in natural rock fertilizer easily absorbed by crops.
the natural remanent magnetism of general soil is about 10 -7 mT, the remanent magnetism of rock fertilizer, far above the remanent magnetism of soil, therefore can produce biomagnetic effect, make plant root cells activation, promote root growth and, to the absorption of nutritive element, be conducive in addition the formation of soil granulation structure, improve the crumb structure of soil, play the improvement Soil structure.This rock fertilizer is specially adapted to do base manure and uses, and mu is executed the 50kg left and right, mainly provides crop required middle trace, trace and rare earth element.
product is made spherical granular easy to use, can adopt method granulation well known in the art.High bake can improve the activity of useful element in mineral, increases fertilizer efficiency, and its equipment is also heating installation well known in the art.
Embodiment
embodiment 1
preparation 1000kg environment-friendly type natural multielement rock fertilizer:
step 1: select SiO 2 57%, A1 2 o 3 14%, Na 2 o+K 2 o>5% quartz dioite ore, P 2 o 5 8%, CaO 18% phosphorous metamorphosed rock ore, K 2 o>10% and potassium-bearing mineral be mainly the rich potassium shale ore of potassium felspar sand and glaukonine, CaO>25%, MgO 20% dolomite ore respectively with pulverizer pulverize, grind into powder, cross 200 mesh sieves, the powder sieved is standby, the particle by sieve does not repeat to pulverize, grind into powder sieves samsara, obtain quartz dioite powder, phosphorous rotten rock dust, rich potassium shale powder and dolomite rock dust, standby;
step 2: the standby quartz dioite powder by step 1, phosphorous rotten rock dust, rich potassium shale powder and dolomite rock dust are by the weight part of the component quartz dioite powder 500kg that weighs, phosphorous rotten rock dust 230kg, rich potassium shale powder 170kg, dolomite rock dust 70kg is placed in stirrer and mixes, spray the salt solution 30kg that the NaCl mass concentration is 2% in powder after mixing and make the spheroidal particle thing of 2-4mm through nodulizer, 40 minutes globulate particulate matter of drying machine baking at 400-500 ° of C temperature, spheroidal particle thing after baking is put into to elect magnetic field and magnetize processing, make spheroidal particle thing remanent magnetism reach 10 -2 one 10 -1 mT makes environment-friendly type natural multielement rock fertilizer of the present invention.
embodiment 2
preparation 1000kg environment-friendly type natural multielement rock fertilizer:
step 1: select SiO 2 57%, A1 2 o 3 14%, Na 2 o+K 2 o>5% quartz dioite ore, P 2 o 5 8%, CaO 18% phosphorous metamorphosed rock ore, K 2 o>10% and potassium-bearing mineral be mainly the rich potassium shale ore of potassium felspar sand and glaukonine, CaO>25%, MgO 20% dolomite ore respectively with pulverizer pulverize, grind into powder, cross 200 mesh sieves, the powder sieved is standby, the particle by sieve does not repeat to pulverize, grind into powder sieves samsara, obtain quartz dioite powder, phosphorous rotten rock dust, rich potassium shale powder and dolomite rock dust, standby;
step 2: the standby quartz dioite powder by step 1, phosphorous rotten rock dust, rich potassium shale powder and dolomite rock dust are by the weight part of the component quartz dioite powder 550kg that weighs, phosphorous rotten rock dust 220kg, rich potassium shale powder 160kg, dolomite rock dust 50kg is placed in stirrer and mixes, spray the salt solution 20kg that the NaCl mass concentration is 2% in powder after mixing and make the spheroidal particle thing of 2-4mm through nodulizer, 40 minutes globulate particulate matter of drying machine baking at 400-500 ° of C temperature, spheroidal particle thing after baking is put into to elect magnetic field and magnetize processing, make spheroidal particle thing remanent magnetism reach 10 -2 one 10 -1 mT makes environment-friendly type natural multielement rock fertilizer of the present invention.
embodiment 3
preparation 1000kg environment-friendly type natural multielement rock fertilizer:
step 1: select SiO 2 57%, A1 2 o 3 14%, Na 2 o+K 2 o>5% quartz dioite ore, P 2 o 5 8%, CaO 18% phosphorous metamorphosed rock ore, K 2 o>10% and potassium-bearing mineral be mainly the rich potassium shale ore of potassium felspar sand and glaukonine, CaO>25%, MgO 20% dolomite ore respectively with pulverizer pulverize, grind into powder, cross 200 mesh sieves, the powder sieved is standby, the particle by sieve does not repeat to pulverize, grind into powder sieves samsara, obtain quartz dioite powder, phosphorous rotten rock dust, rich potassium shale powder and dolomite rock dust, standby;
step 2: the standby quartz dioite powder by step 1, phosphorous rotten rock dust, rich potassium shale powder and dolomite rock dust are by the weight part of the component quartz dioite powder 450kg that weighs, phosphorous rotten rock dust 250kg, rich potassium shale powder 180kg, dolomite rock dust 80kg is placed in stirrer and mixes, spray the salt solution 40kg that the NaCl mass concentration is 2% in powder after mixing and make the spheroidal particle thing of 2-4mm through nodulizer, 40 minutes globulate particulate matter of drying machine baking at 400-500 ° of C temperature, spheroidal particle thing after baking is put into to elect magnetic field and magnetize processing, make spheroidal particle thing remanent magnetism reach 10 -2 one 10 -1 mT makes environment-friendly type natural multielement rock fertilizer of the present invention.
embodiment 4
volume increase, Test Effect Analysis
test and be arranged in the Anqing, Anhui Province in October, 2008.By Lushan, Henan Province, agrotechnique company limited provides the environment-friendly type natural multielement rock fertilizer, and experimental cultivar is: Anhui oil 14.For test plot soil, be moisture soil, the light earth of quality, middle fertility level, soil fertility is even.
test method
two processing are established in test altogether, repeat for three times, and random district group is arranged, community area 30m 2 .
process one: ck is according to local habits fertilization.
process two: ck+ bottom application environment-friendly type natural multielement rock fertilizer.
field management and record (table 1)
table 1 test point field management information slip
Figure 2010105648506100002DEST_PATH_IMAGE002
test results and analysis
test-results is as shown in table 2, it is 120,000 g/acres that conventional fertilizer application is processed (processing one) Semen Brassicae campestris mean yield, the mean yield that conventional fertilizer application adds environment-friendly type natural multielement rock fertilizer processing (processing two) Semen Brassicae campestris is 152,000 g/acres, processes two than contrast volume increase 26.7%.
table 2 test-results statistics
Figure DEST_PATH_IMAGE004
test is respectively processed to the per mu yield of Semen Brassicae campestris and carried out variance analysis, the per mu yield significant difference of Semen Brassicae campestris between each processing, each is processed to the Semen Brassicae campestris per mu yield and carry out multiple comparisons, can find out, conventional fertilizer application processes (processing one) and conventional fertilizer application adds Semen Brassicae campestris per mu yield obvious difference between bottom application environment-friendly type natural multielement rock fertilizer processing (processing two), reaches conspicuous level.
result shows, rape bottom application environment-friendly type natural multielement rock fertilizer has extremely significant effect of increasing production, and compares amount of increase in production without the environment-friendly type natural multielement rock fertilizer and reaches 26.6%, and difference is utmost point conspicuous level.
this environment-friendly type natural multielement rock fertilizer in Shijiazhuang, the ground such as Zhangjiakou, Hefei carried out many ground test of many times, contrasts simultaneously, its effect shows the following aspects:
(1) promote root of hair.According to the investigation of surviving the winter, use the wheat seeding well developed root system of this environment-friendly type natural multielement rock fertilizer, increase by 1.0-4.0/strain than executing taking root of Common compound fertilizer field, increase by 3.6/strain than executing taking root of fused(calcium magnesium)phosphate and carbon ammonium, this illustrates that this environment-friendly type natural multielement rock fertilizer meets the growth regularity of wheat winter " upper not busy lower busy ", is conducive to survive the winter strong sprout.
(2) promote to tiller.Under equal conditions, use the tiller number of the wheat seeding of drought stubble wheatland of this environment-friendly type natural multielement rock fertilizer and rice wheat stubble wheat seeding than the 3.9-7.5 of increase respectively ten thousand seedlings of executing Common compound fertilizer/mu and 1.7 ten thousand seedlings/mu, for the volume increase in later stage is laid a good foundation.
(3) retention capacity of soil is strong.Use the field of this environment-friendly type natural multielement rock fertilizer, in the wheat during jointing stage investigation, the earth at soil layer 5cm place still can be held agglomerating, and this makes at the ripening stage wheat and is subject to the impact of hot dry wind lighter, makes full seed.
(4) effect of increasing production is obvious.Use this environment-friendly type natural multielement rock fertilizer and relatively the showing of equal field of using Common compound fertilizer, use the field of this rock fertilizer, increasing production of rice 16-20%, wheat increase yield 16-25%, increasing yield of water melons 12.8-19.7%, corn yield increasing 16.0-21.9%, celery volume increase 16.3-23.9%, "Hur" mulberry leaf volume increase 29.1%.
in sum, it is high that environment-friendly type natural multielement rock fertilizer of the present invention has fertilizer efficiency, pure natural, nontoxic, free of contamination characteristics, raw material sources are wide, the course of processing is simple, can be used for the fertilising of all farm crop, not only can improve the output of farm crop, but also can strengthen its quality, the more important thing is the structure of having improved soil, simultaneously, not only fertilizer damage has been dissolved in absorption, poisoning, and supplemented the required various middle trace element of farm crop, balance nutrition, strengthened the diseases and insect pests resistance of crop, reduced chemical fertilizer, the use of agricultural chemicals, reduced cost of investment, protected environment, for being used, spread provides scientific basis.
above embodiments of the invention are had been described in detail, but described content is only preferred embodiment of the present invention, can not be considered to for limiting practical range of the present invention.All equalization variations of doing according to the present patent application scope and improvement etc., within all should still belonging to patent covering scope of the present invention.

Claims (3)

1. the preparation method of an environment-friendly type natural multielement rock fertilizer, it is characterized in that: described rock fertilizer is comprised of following feed composition by weight percentage:
Figure FDA00003411569900011
Comprise the following steps:
Step 1: by quartz dioite, phosphorous metamorphosed rock, rich potassium shale and dolomite respectively with pulverizer pulverize, grind into powder, cross 200 mesh sieves, the powder sieved is standby, the particle by sieve does not repeat to pulverize, grind into powder sieves samsara, obtain quartz dioite powder, phosphorous rotten rock dust, rich potassium shale powder and dolomite rock powder, standby;
Step 2: after standby quartz dioite powder, phosphorous rotten rock dust, rich potassium shale powder and dolomite rock powder weighed by the weight part of component by step 1; being placed in stirrer mixes; make spheroidal particle thing, baking machine baking, the spheroidal particle thing after baking is put into to elect magnetic field magnetize processing through nodulizer spraying salt solution in the powder after mixing, make spheroidal particle thing remanent magnetism reach 10-2-10-1MT and make described environment-friendly type natural multielement rock fertilizer.
2. the preparation method of a kind of environment-friendly type natural multielement rock fertilizer according to claim 1, it is characterized in that: described rock fertilizer is comprised of following feed composition by weight percentage:
Figure FDA00003411569900012
Comprise the following steps:
Step 1: select SiO 257%, A1 2o 314%, Na 2o+K 2o>5% quartz dioite ore, P 2o 58%, CaO 18% phosphorous metamorphosed rock ore, K 2o>10% and potassium-bearing mineral be mainly the rich potassium shale ore of potassium felspar sand and glaukonine, CaO>25%, MgO 20% dolomite ore respectively with pulverizer pulverize, grind into powder, cross 200 mesh sieves, the powder sieved is standby, the particle by sieve does not repeat to pulverize, grind into powder sieves samsara, obtain quartz dioite powder, phosphorous rotten rock dust, rich potassium shale powder and dolomite rock powder, standby;
Step 2: quartz dioite powder, phosphorous rotten rock dust, rich potassium shale powder and dolomite rock dust that step 1 is standby are weighed by the weight part of component; being placed in stirrer mixes; spray the salt solution that the NaCl mass concentration is 1%-3% in powder after mixing; through nodulizer make the spheroidal particle thing, at 300-600 ° of C temperature through 20 minutes-50 minutes globulate particulate matter of baking machine baking, the spheroidal particle thing after baking put into to elect magnetic field magnetize processing, make spheroidal particle thing remanent magnetism reach 10 -2-10 -1mT makes described environment-friendly type natural multielement rock fertilizer.
3. the rock fertilizer prepared according to the either method of claim 1-2.
CN 201010564850 2010-11-30 2010-11-30 Environmentally-friendly natural multielement rock fertilizer Expired - Fee Related CN102070371B (en)

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