CN101085920B - Method for preparing southern dry land acidic soil conditioner - Google Patents
Method for preparing southern dry land acidic soil conditioner Download PDFInfo
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- CN101085920B CN101085920B CN200710029172A CN200710029172A CN101085920B CN 101085920 B CN101085920 B CN 101085920B CN 200710029172 A CN200710029172 A CN 200710029172A CN 200710029172 A CN200710029172 A CN 200710029172A CN 101085920 B CN101085920 B CN 101085920B
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Abstract
The invention discloses a method for preparing soil amendment for southern dry and acid soil. It comprises following steps: mixing calcinated shell product of 40- 64% (proportion by weight), calcium magnesium silicate of 15- 30% and ammoniomagnesium phosphate of 10- 28%, getting mixed material; disintegrating mixed material, sifting, and getting soil amendment. The product can improve cluster structure for soil, reduce water loss and fertilizer loss problem in southern dry and acid soil, prevent soil consolidation; it can moderate the pH value for southern dry and scid soil, neutralizing free acid, inactivating the activity of active aluminium, improve microenvironment for root soil and increase microbe diversity in southern sry and acid soil, increase the enzyme functions, improve nutrition supply of magnesium and calcium and other microelement, and provides good basis for high crop productivity.
Description
Technical field
The invention belongs to the soil agrochemistry field, particularly a kind of preparation method of southern dry land acidic soil conditioner.
Background technology
The main type of southern dry land acidic soil has latosol, red earth, red soil, yellow-red soil, is zonality and distributes, and is subjected to the influence of soil parent material, the factors of soil formation, has the characteristic of " sour, lean, malicious, plate, leakage ", and agriculture output capacity is lower.Such soil distributes wide as the agricultural land, area is big, aboundresources, and production potential are very big.Application by the various technology of agricultural, product is improved, is fostered and apply fertilizer, and can become the important production base of development south subtropics cash crop and forest, fruit tree.
During southern dry land acidic soil kind plant, because soil slant acidity, can destroy the saturating property of plasmalemma in the plant materials, cause reducing the absorption of farm crop to elements such as trace elements calcium, magnesium, potassium, method commonly used at present is to adopt lime to improve acid soil, but use lime can cause soil compaction for a long time or in a large number, also can cause the dysequilibrium of elements such as calcium in the soil, magnesium, potassium and cause the underproduction of crop.Soil conditioner is more and more paid attention to and is accepted by people as one of soil improvement, the important measures of fostering and apply fertilizer.Have not yet to see the patent documentation and the report of the preparation method aspect of southern dry land acidic soil modifying agent.
Summary of the invention
In order to solve the deficiency of above-mentioned existing soil conditioner, the object of the present invention is to provide a kind of preparation method that can effectively regulate the soil conditioner of southern dry land acidic soil structure and physicochemical character.This soil conditioner be by shell through calcining, handle the back and form and calcine the shell product, mix with additive calcium magnesium silicate, magnesium ammonium phosphate etc. again, pulverize, sieve and form.
The objective of the invention is to be achieved through the following technical solutions: a kind of preparation method of southern dry land acidic soil conditioner comprises following processing step and processing condition:
(1) will obtain mixture by 40～65% calcining shell products, 15～30% calcium magnesium silicates and the abundant mixing of 10～28% magnesium ammonium phosphates of mass ratio.
(2) the said mixture material is pulverized, sieved and sieve, last mixing obtains southern dry land acidic soil conditioner.
In order to realize the present invention better, described calcining shell product is made by following method:
(1) 83～90% shells, 9～16% coals, 0.3～1% rice straw and 0.3～1% rice hulls are mixed carries out high-temperature calcination, temperature is controlled at 800～1100 ℃, calcining 8～15h, and calcining finishes the back forced draft cooling to room temperature, last 6～9h, obtain calcinate.
(2) change calcinate over to reaction tank, the water that adds calcinate quality 45～65% fully reacts, and reaction product is carried out the stacking slaking, and the curing time is 5～10d, obtains calcining the shell product at last.
Described high-temperature calcination is carried out in shaft kiln.
The using method of southern dry land acidic soil conditioner of the present invention: the consumption of southern dry land acidic soil conditioner of the present invention can be decided according to be applied or the soil of improvement, the particular case of the crop of planting.Food crop, cash crop such as peanut, legume crop, art potato: every mu of amount of application is 50～80kg, spreads fertilizer over the fields in soil surface when whole ground, and shallow turning over gets final product.Fruit tree: every mu of amount of application is 100～150kg, and spread fertilizer over the fields in full garden; Also can be in conjunction with fertilizer ditch spread under the tree crown drip.
The present invention is directed to southern dry land acidic soil, except advantage, also have the following advantages and beneficial effect with general soil amendment:
(1) improves soil aggregate, effectively alleviate the Lou fertile problem of leaking of southern dry land acidic soil, the control soil compaction.
(2) regulate the pH value of southern dry land acidic soil, in and free acid, the active aluminum in the passivation soil solves " sour, poison " problem of southern dry land soil.
(3) improve the microenvironment of plant rhizosphere soil, increase the southern dry land acidic soil microbial diversity, strengthen the southern dry land acidic soil enzymatic function, thereby foster and apply fertilizer southern dry land acidic soil, for southern dry land crop (fruit tree) stable high yield provides good basis.
(4) increase soil magnesium and calcium and other micro-nutrition supply, promote the photosynthesis of crop (fruit tree), promote proteinic synthesizing, improve the output and the quality of improving agricultural-food of crop (fruit tree).Magnesium can also promote the absorption of crop (fruit tree) to silicon, improves crop disease-resistant worm ability; Can also reduce the absorption of crop (fruit tree), alleviate the disease effect of manganese when too much manganese.
Description of drawings
Fig. 1 is a preparation method's of the present invention process flow diagram.
Embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited thereto.
Embodiment 1
(1) 83% shell, 16% coal, 0.5% rice straw and 0.5% rice hulls are mixed carries out high-temperature calcination in the shaft kiln of packing into, carry out forced ventilation in case of necessity.Temperature is controlled at 1100 ℃, calcining 8h, and vertical kiln operation adopts the semi-flaming methodology.Calcining finishes the back forced draft cooling to room temperature (20～30 ℃), lasts 9h, obtains calcinate at last.
(2) change calcinate over to reaction tank, 45% water that adds the calcinate quality fully reacts, and reaction product is carried out the stacking slaking, and the curing time is 5d, obtains calcining the shell product at last.
(3) with 45% calcining shell product, 30% calcium magnesium silicate and the abundant mixing of 25% magnesium ammonium phosphate, obtain mixture.
(4) mixture pulverized, sieved sieve (φ 1mm), last mixing obtains product southern dry land acidic soil conditioner of the present invention.
Embodiment 2
(1) 89% shell, 9% coal, 1% rice straw and 1% rice hulls are mixed carries out high-temperature calcination in the shaft kiln of packing into, carry out forced ventilation in case of necessity.Temperature is controlled at 800 ℃, calcining 15h, and vertical kiln operation adopts the semi-flaming methodology.Calcining finishes the back forced draft cooling to room temperature, lasts 6h, obtains calcinate at last.
(2) change calcinate over to reaction tank, 52% water that adds the calcinate quality fully reacts, and reaction product is carried out the stacking slaking, and the curing time is 8d, obtains calcining the shell product at last.
(3) with 62% calcining shell product, 15% calcium magnesium silicate and the abundant mixing of 23% magnesium ammonium phosphate, obtain mixture.
(4) mixture pulverized, sieved sieve (φ 1mm), last mixing obtains product southern dry land acidic soil conditioner of the present invention.
Embodiment 3
(1) 90% shell, 9.4% coal, 0.3% rice straw and 0.3% rice hulls are mixed carries out high-temperature calcination in the shaft kiln of packing into, carry out forced ventilation in case of necessity.Temperature is controlled at 900 ℃, calcining 13h, and vertical kiln operation adopts the semi-flaming methodology.Calcining finishes the back forced draft cooling to room temperature, lasts 7h, obtains calcinate at last.
(2) change calcinate over to reaction tank, 65% water that adds the calcinate quality fully reacts, and reaction product is carried out the stacking slaking, and the curing time is 10d, obtains calcining the shell product at last.
(3) with 57% calcining shell product, 15% calcium magnesium silicate and the abundant mixing of 28% magnesium ammonium phosphate, obtain mixture.
(4) mixture pulverized, sieved sieve (φ 1mm), last mixing obtains product southern dry land acidic soil conditioner of the present invention.
Embodiment 4
(1) 87% shell, 11.5% coal, 0.8% rice straw and 0.7% rice hulls are mixed carries out high-temperature calcination in the shaft kiln of packing into, carry out forced ventilation in case of necessity.Temperature is controlled at 1000 ℃, calcining 10h, and vertical kiln operation adopts the semi-flaming methodology.Calcining finishes the back forced draft cooling to room temperature, lasts 8h, obtains calcinate at last.
(2) change calcinate over to reaction tank, 60% water that adds the calcinate quality fully reacts, and reaction product is carried out the stacking slaking, and the curing time is 9d, obtains calcining the shell product at last.
(3) with 55% calcining shell product, 21% calcium magnesium silicate and the abundant mixing of 24% magnesium ammonium phosphate, obtain mixture.
(4) mixture pulverized, sieved sieve (φ 1mm), last mixing obtains product southern dry land acidic soil conditioner of the present invention.
Embodiment 5
(1) 84% shell, 14.7% coal, 0.4% rice straw and 0.9% rice hulls are mixed carries out high-temperature calcination in the shaft kiln of packing into, carry out forced ventilation in case of necessity.Temperature is controlled at 1100 ℃, calcining 9h, and vertical kiln operation adopts the semi-flaming methodology.Calcining finishes the back forced draft cooling to room temperature, lasts 8h, obtains calcinate at last.
(2) change calcinate over to reaction tank, 48% water that adds the calcinate quality fully reacts, and reaction product is carried out the stacking slaking, and the curing time is 6d, obtains calcining the shell product at last.
(3) with 50% calcining shell product, 30% calcium magnesium silicate and the abundant mixing of 20% magnesium ammonium phosphate, obtain mixture.
(4) mixture pulverized, sieved sieve (φ 1mm), last mixing obtains product southern dry land acidic soil conditioner of the present invention.
Embodiment 6
(1) 85% shell, 13.6% coal, 0.6% rice straw and 0.8% rice hulls are mixed carries out high-temperature calcination in the shaft kiln of packing into, carry out forced ventilation in case of necessity.Temperature is controlled at 950 ℃, calcining 12h, and vertical kiln operation adopts the semi-flaming methodology.Calcining finishes the back forced draft cooling to room temperature, lasts 7.5h, obtains calcinate at last.
(2) change calcinate over to reaction tank, 60% water that adds the calcinate quality fully reacts, and reaction product is carried out the stacking slaking, and the curing time is 9d, obtains calcining the shell product at last.
(3) with 65% calcining shell product, 25% calcium magnesium silicate and the abundant mixing of 10% magnesium ammonium phosphate, obtain mixture.
(4) mixture pulverized, sieved sieve (φ 1mm), last mixing obtains product southern dry land acidic soil conditioner of the present invention.
The comparative example
Southern dry land acidic soil conditioner of the present invention has carried out a series of field test on crops such as peanut, cassava, black soya bean, citrus, obtained good effect.
(1) uses the influence of southern dry land acidic soil conditioner to red earth pH value and active aluminum
Use southern dry land acidic soil conditioner, the pH value of regulating southern dry land acidic soil is had good effect.As can be seen from Table 1, the potted plant cultivation simulation test in chamber by experiment, compared with the control, use 0.3 unit of red earth pH value rising of southern dry land acidic soil conditioner of the present invention, the soil activation acid content descends 10%, and active aluminum reduces by 11%, illustrates and uses effectively sweetening of the soil active acid of southern dry land acidic soil conditioner, active aluminum in the passivation soil, " acid, poison " problem of solution southern dry land soil.
Table 1 southern dry land acidic soil conditioner is to the influence of red soil pH
Annotate: mark letter representation Duncan The result of multiple comparisons in the table.Mark lowercase alphabet differential different significantly (P＜0.05), the form that letter below occurs has same meaning.
(2) use the influence of southern dry land acidic soil conditioner to nonirrigated farmland peanut yield and quality
Red soil is acid strong, and base cation (particularly calcium, magnesium ion) runs off serious, causes its general calcium deficiency, magnesium, adds that this area does not execute for a long time or fertilizer/the amendment of Shaoshi calcic, magnesium, causes nutrients such as part soil famine calcium, magnesium.Therefore, use the southern dry land acidic soil conditioner of nutrients such as being rich in calcium, magnesium in red soil, it is good that its effect is not more used soil conditioner.As can be seen from Table 2, compared with the control, use southern dry land acidic soil conditioner of the present invention, the utmost point has increased peanut significantly, and (kind: output No. 79, Guangdong oil), amplification reaches 9%.In addition, crude protein, crude fat content also improve 17.99%, 3.05% respectively.
Table 2 southern dry land acidic soil conditioner is to the influence of peanut yield and quality
(3) use the influence of southern dry land acidic soil conditioner to citrus production and quality
As can be seen from Table 3, using on the equivalent NPK fertilizers basis, joining and execute southern dry land acidic soil conditioner of the present invention, compared with the control, the utmost point has increased the output of citrus significantly, and amplification reaches 6.8%.Citrus is really heavy, soluble sugar content, Vitamin C content contrast significantly increase, increase by 24.3%, 3.7%, 3.7% respectively.The citrus organic acid content remains basically stable.
Table 3 southern dry land acidic soil conditioner is to the influence of citrus production and quality
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (2)
1. the preparation method of a southern dry land acidic soil conditioner comprises following processing step and processing condition:
(1) will obtain mixture by 40～65% calcining shell products, 15～30% calcium magnesium silicates and the abundant mixing of 10～28% magnesium ammonium phosphates of mass ratio;
(2) mixture pulverized, sieved and sieve, last mixing obtains southern dry land acidic soil conditioner;
Described calcining shell product is made by following method:
(A) 83～90% shells, 9～16% coals, 0.3～1% rice straw and 0.3～1% rice hulls are mixed carry out high-temperature calcination, temperature is controlled at 800～1100 ℃, calcining 8～15h, and calcining finishes the back forced draft cooling to room temperature, last 6～9h, obtain calcinate;
(B) change calcinate over to reaction tank, the water that adds calcinate quality 45～65% reacts, and reaction product is carried out the stacking slaking, and the curing time is 5～10d, obtains calcining the shell product at last.
2. the preparation method of a kind of southern dry land acidic soil conditioner according to claim 1, it is characterized in that: described high-temperature calcination is carried out in shaft kiln.
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| CN200710029172A CN101085920B (en) | 2007-07-16 | 2007-07-16 | Method for preparing southern dry land acidic soil conditioner |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102972113B (en) * | 2012-12-06 | 2015-02-04 | 江西省红壤研究所 | Acid reduction and humidity regulation method for red upland soilred-soil dryland |
| CN103436266B (en) * | 2013-08-29 | 2016-01-06 | 华南理工大学 | Industrial silico-calcium board waste material is utilized to produce the method for moderate-element acidic soil conditioner |
| CN103910554B (en) * | 2014-04-15 | 2015-10-28 | 淮阴师范学院 | Be applicable to the organic calcium fertilizer of acidified soil |
| CN105295930A (en) * | 2014-07-21 | 2016-02-03 | 山西云大中天环境科技有限公司 | Acid soil conditioner and preparation method thereof |
| CN104962294B (en) * | 2015-06-10 | 2018-08-28 | 中山市巴斯德农业科技有限公司 | A kind of soil conditioner and preparation method thereof |
| CN104926565B (en) * | 2015-06-12 | 2018-09-25 | 山西农业大学 | A kind of acid soil improving agent prepares and method of administration |
| CN107699240B (en) * | 2017-09-06 | 2020-09-08 | 湖北富邦科技股份有限公司 | Acid soil conditioner, and preparation method and use method thereof |
| CN112500231A (en) * | 2020-12-21 | 2021-03-16 | 中国科学院沈阳应用生态研究所 | Synergistic fertilizer capable of increasing pH of soil micro-domain and preparation method thereof |
| CN115109598B (en) * | 2022-07-22 | 2023-01-24 | 中南民族大学 | Biochar-based acid soil conditioner and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071909A (en) * | 1991-10-25 | 1993-05-12 | 中国非金属矿工业总公司梨树硅灰石矿业公司 | Silicon fertilizer consisting mainly of wollastonite |
| CN1138015A (en) * | 1995-06-15 | 1996-12-18 | 方连明 | Active calcium fertilizer |
| CN1370424A (en) * | 2002-03-12 | 2002-09-25 | 郑长寿 | Production process and use of modified oyster powder |
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2007
- 2007-07-16 CN CN200710029172A patent/CN101085920B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071909A (en) * | 1991-10-25 | 1993-05-12 | 中国非金属矿工业总公司梨树硅灰石矿业公司 | Silicon fertilizer consisting mainly of wollastonite |
| CN1138015A (en) * | 1995-06-15 | 1996-12-18 | 方连明 | Active calcium fertilizer |
| CN1370424A (en) * | 2002-03-12 | 2002-09-25 | 郑长寿 | Production process and use of modified oyster powder |
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| Title |
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| JP特开2005-272510A 2005.10.06 |
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Address after: 510640 Guangdong city of Guangzhou province Tianhe District Wushan Patentee after: Agricultural Resources and Environment Institute of Guangdong Academy of Agricultural Sciences Address before: 510640 Guangdong city of Guangzhou province Tianhe District Wushan Patentee before: Inst. of Soil & Fertilizer, Guangdong Prov. Academy of Agricultural Science |
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Effective date of registration: 20170626 Address after: Baiyun District of Guangzhou City, Guangdong province 510550 Zhongluotan Guangcong Road No. 1 nine Patentee after: Guangzhou Xinnongke Fertilizer Science & Technology Co., Ltd. Address before: 510640 Guangdong city of Guangzhou province Tianhe District Wushan Patentee before: Agricultural Resources and Environment Institute of Guangdong Academy of Agricultural Sciences |
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Effective date of registration: 20200805 Address after: 510640 Guangdong city of Guangzhou province Tianhe District five road, Guangdong Academy of Agricultural Sciences Institute of soil and fertilizer in Patentee after: INSTITUTE OF AGRICULTURAL RESOURCES AND ENVIRONMENT, GUANGDONG ACADEMY OF AGRICULTURAL SCIENCES Address before: 510550 Guangzhou, Baiyun District, Guangdong Province, 1 from No. nine road, Zhong Luo Tan Town, Baiyun District, Yunnan Province Patentee before: GUANGZHOU XINNONGKE FERTILIZER TECHNOLOGY Co.,Ltd. |
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