CN103131424B - Saline alkali soil conditioner - Google Patents

Saline alkali soil conditioner Download PDF

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Publication number
CN103131424B
CN103131424B CN201310080579.2A CN201310080579A CN103131424B CN 103131424 B CN103131424 B CN 103131424B CN 201310080579 A CN201310080579 A CN 201310080579A CN 103131424 B CN103131424 B CN 103131424B
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parts
soil
thoroughly decomposed
alkali soil
saline
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CN103131424A (en
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刘海崇
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刘海崇
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Abstract

The invention discloses a saline alkali soil conditioner which is capable of improving soil texture, realizing production increase of crops and improving survival rates of crops. The saline alkali soil conditioner comprises the following components in parts by weight: 5-10 parts of ardealite, 5-15 parts of decomposed coal, 30-40 parts of decomposed saw dust, 15-25 parts of fulvic acid, 25-35 parts of aged distiller grains, 5-10 parts of phosphorus slag and 0.01-0.05 part of a rooting agent. Compared with other conditioners, the soil conditioner has the advantages of being low in cost as mainly comprising industrial and agricultural wastes, solving the problem of waste treatment, improving saline alkali soil, particularly improving the physical structure of the saline alkali soil, changing chemical properties of the soil, reducing the concentration of toxic and harmful ions and improving soil fertility.

Description

A kind of saline-alkali soil conditioner
Technical field
The present invention relates to soil improvement technical field, particularly relate to a kind of saline-alkali soil conditioner.
Background technology
Saline-alkali soil is a kind of soil type extensively distributing on the earth, is a kind of important land resources.Saltings, whole world area is about 9.55 hundred million hm 2, be distributed in arid area, different continents, mainly concentrate on Eurasia, Africa, western part, America.China's saline and alkaline soil total resources are about 9913 * 104hm 2, wherein modern saline-alkali soil area is 3693 * 104hm 2, residual salt alkaline earth is 4487 * 104hm approximately 2, and remain at the 1733 * 104hm that has an appointment 2potential saline-alkali soil, be mainly distributed in northeast, North China, Northwest inland area and North of Yangtze River coastal area.
Saline-alkali Field Control mode mainly contains builds raised fields, water conservancy irrigation and drainage, and agronomy improvement (covering, deep ploughing etc.), plant recovery, is used soil improvement agent etc.Wherein soil improvement agent is divided into again natural modifying agent (Wingdale, gypsum, waste etc.), synthetic modifying agent (polyacrylamide, polyoxyethylene glycol etc.), natural-synthetic copolymer modifying agent (humic acids-polyacrylic acid etc.), biological modification agent (microorganism, mycorhiza etc.) four large classes.All the time in soil improvement agent, take natural modifying agent (particularly work, agricultural wastes) as raw material development of new multifunction soil improver be the focus of current soil improvement agent research.
Trade waste generally adopts flyash, phosphogypsum, citric acid waste etc., agricultural wastes generally adopt stalk, ight soil, rubbish etc., above work, agricultural wastes all have positive effect in the middle of alkaline land improving, but also all there is certain deficiency, as affect the absorption of part nutritive element, bring poisonous and harmful heavy metallic into, bring germ etc. into.
Summary of the invention
The object of the invention is for the technological deficiency existing in prior art, and a kind of soil texture that can improve is provided, realize the alkaline land modifying agent of increasing crop yield, surviving rate lifting.
For realizing the technical scheme that object of the present invention adopts, be: a kind of saline-alkali soil conditioner, it is characterized in that comprising phosphogypsum, weathered coal, the sawdust that becomes thoroughly decomposed, xanthohumic acid, the vinasse that become thoroughly decomposed, phosphorus ore slag, root-growing agent, by its parts by weight, count: phosphogypsum 5-10 part, weathered coal 5-15 part, the sawdust 30-40 part of becoming thoroughly decomposed, xanthohumic acid 15-25 part, the vinasse 25-35 part of becoming thoroughly decomposed, phosphorus ore slag 5-10 part, root-growing agent 0.01-0.05 part.
As preferred technical scheme, above-mentioned a kind of saline-alkali soil conditioner, it is characterized in that comprising phosphogypsum, weathered coal, the sawdust that becomes thoroughly decomposed, xanthohumic acid, the vinasse that become thoroughly decomposed, phosphorus ore slag, root-growing agent, by its parts by weight, count: 5 parts of phosphogypsums, 10 parts of weathered coals, 35 parts, sawdust becomes thoroughly decomposed, 25 parts of xanthohumic acids, become thoroughly decomposed 20 parts, vinasse, 5 parts of phosphorus ore slags, 0.01 part of root-growing agent.
As preferred technical scheme, above-mentioned a kind of saline-alkali soil conditioner, it is characterized in that comprising phosphogypsum, weathered coal, the sawdust that becomes thoroughly decomposed, xanthohumic acid, the vinasse that become thoroughly decomposed, phosphorus ore slag, root-growing agent, by its parts by weight, count: 10 parts of phosphogypsums, 8 parts of weathered coals, 40 parts, sawdust becomes thoroughly decomposed, 20 parts of xanthohumic acids, become thoroughly decomposed 30 parts, vinasse, 8 parts of phosphorus ore slags, 0.05 part of root-growing agent.
As preferred technical scheme, above-mentioned a kind of saline-alkali soil conditioner, it is characterized in that comprising phosphogypsum, weathered coal, the sawdust that becomes thoroughly decomposed, xanthohumic acid, the vinasse that become thoroughly decomposed, phosphorus ore slag, root-growing agent, by its parts by weight, count: 8 parts of phosphogypsums, 5 parts of weathered coals, 30 parts, the sawdust that becomes thoroughly decomposed, 15 parts of xanthohumic acids, 35 parts, the vinasse that become thoroughly decomposed, 10 parts of phosphorus ore slags, 0.03 part of root-growing agent.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the related soil improvement agent of the present invention is than other modifying agent, and its superiority is mainly comprised of agriculture and industry waste, and cost is low, has both solved offal treatment problem, has improved again salt affected soil;
(2) the related soil improvement agent of the present invention had both improved salt affected soil physical structure, had changed again the chemical property of soil, had reduced poisonous and harmful ionic concn, had increased soil fertility;
(3) use the productivity that the related soil improvement agent of the present invention can significantly improve salt affected soil, make saltings field crop can increase production more than 20%; Turfgrass surviving rate is more than 90%; Greening seedling surviving rate can reach more than 95%.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Embodiment 1:
1. raw material phosphor gypsum, the sawdust that becomes thoroughly decomposed, the vinasse that become thoroughly decomposed, phosphorus ore slag are pulverized respectively, crossed 2mm sieve;
2. take phosphogypsum 5KG, weathered coal 10KG, the sawdust 35KG that becomes thoroughly decomposed, xanthohumic acid 25KG, the vinasse 20KG that becomes thoroughly decomposed, phosphorus ore slag 5KG, root-growing agent 0.01KG;
3. above-mentioned raw materials is mixed evenly,, difference according to requirements can be done powdering, granular or bar-shaped.
Embodiment 2:
1. raw material phosphor gypsum, the sawdust that becomes thoroughly decomposed, the vinasse that become thoroughly decomposed, phosphorus ore slag are pulverized respectively, crossed 2mm sieve;
2. take phosphogypsum 10KG, weathered coal 8KG, the sawdust 40KG that becomes thoroughly decomposed, xanthohumic acid 20KG, the vinasse 30KG that becomes thoroughly decomposed, phosphorus ore slag 8KG, root-growing agent 0.05KG;
3. above-mentioned raw materials is mixed evenly,, difference according to requirements can be done powdering, granular or bar-shaped.
Embodiment 3:
1. raw material phosphor gypsum, the sawdust that becomes thoroughly decomposed, the vinasse that become thoroughly decomposed, phosphorus ore slag are pulverized respectively, crossed 2mm sieve;
2. take phosphogypsum 8KG, weathered coal 5KG, the sawdust 30KG that becomes thoroughly decomposed, xanthohumic acid 15KG, the vinasse 35KG that becomes thoroughly decomposed, phosphorus ore slag 10KG, root-growing agent 0.03KG;
3. above-mentioned raw materials is mixed evenly,, difference according to requirements can be done powdering, granular or bar-shaped.
Application test example 1:
Within 2011, in Dagang District saltings, Tianjin, carry out application test, its soil salt content 0.32% after testing, soil pH value 8.45, plants plant corn.
Soil improvement method: before corn seeding, spread fertilizer over the fields the soil improvement agent 500kg/ mu of preparation in embodiment 1, harrow even.
Reclamation result: significantly improve plant height, number of productive ear, spike length, thousand seed weight and the output of corn, and except plant height, difference has all reached utmost point conspicuous level.Use modifying agent and improve number of productive ear 20.91%, increase spike length 16.91%, thousand seed weight increases by 11.40%, and volume increase reaches 78.02%.
Data Comparison before and after 1 soil improvement of application test example
Application test example 2:
Tianjin Development Zone Qin Wei plant area, its soil salt content 0.4% after testing, soil pH value 8.40, Chinese scholar tree 60 strains of planting, 20 of Luan Shu, diameter 10-15cm.
Soil improvement method: the plant pit soil of excavating is mixed to the soil improvement agent of preparation in embodiment 2, consumption is 1kg/m3, elder generation's backfill 1/3 in plant pit mixes the soil of soil improvement agent, then plant trees, by all the other earthen backfills that mixes soil improvement agent of 2/3, tread again, pour water.
Reclamation result: ginkgo surviving rate 100% then, starts normal growth coming year.
To sum up, 7 kinds of materials in technique scheme are used in conjunction with, and can make salt affected soil Na+, and Cl-reduces, pH value declines, and interstices of soil structure increases, and crumb structure strengthens, and fertility promotes, for plant growing provides good edatope, and can promote plant establishment to germinate, improve surviving rate.
Wherein:
Phosphogypsum is the solid slag producing during with sulfuric acid treating phosphorite in phosphoric acid production, and its main component is calcium sulfate.Be acid, apply after salt affected soil, on the one hand can sweetening of the soil alkalescence, on the other hand Ca 2+and SO 4 2-can replace Na in soil +and Cl -, the concentration of poisonous and harmful ion in reduction soil.
Weathered coal refers to exposure in earth's surface or buries the coal seam in superficial part, and after weathering, very significantly change has all occurred for its chemistry and physical properties, and the coal in this part of coal seam is called weathered coal.This coal oxygen level increases, and incendivity reduces, and humic acids content increases, and ion-exchange capacity, complex performance are strong, after being manured into soil, can increase soil aggregate, improve soil physico-chemical property; Weathered coal contains more mineral substance on the other hand, wherein common are carbonate, silicon (aluminium) hydrochlorate, sulfide and the oxide compound of calcium, magnesium, iron, potassium, sodium, also more trace element in enrichment, therefore be added in soil, can be used as nutritive element and be absorbed and used by plants gradually, increase soil fertility.
The sawdust that becomes thoroughly decomposed, organic content is high, and quality is light.After being manured into soil, can increase the gas permeability of soil, increase soil organic matter content.
Xanthohumic acid is the integral part of humic acids, and molecule is little, and active high, active function groups is many.After being manured into soil, can improve plant drought water saving ability, strengthen resistance; Energy activating soil nutritive element, keeps soil activation; Stimulate crop growth; Suppress growing of harmful germ.
The vinasse that become thoroughly decomposed, are manured into soil and can improve soil organic matter content, increase soil fertility.
A kind of industrial residue of discharging when phosphorus ore slag is electric heating process production yellow phosphorus.Be acid, main component calcium oxide, can improve soil ph after being manured into soil, and replaces poisonous and harmful ion in soil, increases soil aggregate.
Root-growing agent main component is naphthylacetic acid and indolylacetic acid, belongs to plant hormone substance, can promote plant establishment, injury healing.Be manured into soil and can promote the condition of the injury healing of greening seedling short period of time, root, improve plant percent.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (3)

1. a saline-alkali soil conditioner, it is characterized in that described saline-alkali soil conditioner comprises phosphogypsum, weathered coal, the sawdust that becomes thoroughly decomposed, xanthohumic acid, the vinasse that become thoroughly decomposed, phosphorus ore slag, root-growing agent, by its parts by weight, count: phosphogypsum 5-10 part, weathered coal 5-15 part, the sawdust 30-40 part of becoming thoroughly decomposed, xanthohumic acid 15-25 part, the vinasse 25-35 part of becoming thoroughly decomposed, phosphorus ore slag 5-10 part, root-growing agent 0.01-0.05 part.
2. a kind of saline-alkali soil conditioner according to claim 1, it is characterized in that described saline-alkali soil conditioner comprises phosphogypsum, weathered coal, the sawdust that becomes thoroughly decomposed, xanthohumic acid, the vinasse that become thoroughly decomposed, phosphorus ore slag, root-growing agent, by its parts by weight, count: 10 parts of phosphogypsums, 8 parts of weathered coals, become thoroughly decomposed 40 parts, sawdust, 20 parts of xanthohumic acids, 30 parts, vinasse become thoroughly decomposed, 8 parts of phosphorus ore slags, 0.05 part of root-growing agent.
3. a kind of saline-alkali soil conditioner according to claim 1, it is characterized in that described saline-alkali soil conditioner comprises phosphogypsum, weathered coal, the sawdust that becomes thoroughly decomposed, xanthohumic acid, the vinasse that become thoroughly decomposed, phosphorus ore slag, root-growing agent, by its parts by weight, count: 8 parts of phosphogypsums, 5 parts of weathered coals, 30 parts, the sawdust that becomes thoroughly decomposed, 15 parts of xanthohumic acids, 35 parts, the vinasse that become thoroughly decomposed, 10 parts of phosphorus ore slags, 0.03 part of root-growing agent.
CN201310080579.2A 2013-03-13 2013-03-13 Saline alkali soil conditioner Expired - Fee Related CN103131424B (en)

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CN103937507A (en) * 2014-03-31 2014-07-23 高程华 Saline-alkali soil improver as well as preparation method and use method thereof
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