CN105967942A - Straw liquefied liquid for improving soil, preparation method thereof and soil improving method - Google Patents
Straw liquefied liquid for improving soil, preparation method thereof and soil improving method Download PDFInfo
- Publication number
- CN105967942A CN105967942A CN201610289311.3A CN201610289311A CN105967942A CN 105967942 A CN105967942 A CN 105967942A CN 201610289311 A CN201610289311 A CN 201610289311A CN 105967942 A CN105967942 A CN 105967942A
- Authority
- CN
- China
- Prior art keywords
- straw
- soil
- liquefaction
- liquid
- corn straw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F11/00—Other organic fertilisers
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Fertilizers (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention relates to a straw liquefied liquid for improving soil, a preparation method thereof and a soil improving method. Crop straws adopted as a main raw material are liquefied in water under certain conditions according to a certain mass ratio without any catalyst, and the straw liquefied liquid and soil are mixed and stirred, or the straw liquefied is directly sprinkled or irrigated. The method only adopts water as a medium to liquefy the straws without any catalyst, the straw liquefied liquid has soil acidity-alkalinity improving and nutrition supplementing functions, and can be applied to balance the acidity and the alkalinity of the soil, supply N, P, K and other organic matter nutrients, promote growth of crops and improve the output. The straw liquefying method has the advantages of simplicity, wide applicability, great reduction of the application amount of chemical fertilizers, reduction of straw burning, and reduction of environment pollution induced by straw burning. The straw liquefied liquid can kill harmful pathogens left on straws, and reduces harms of the harmful pathogens carried by the straws to subsequent cultivation.
Description
Technical field
The present invention relates to a kind of liquefaction liquor for soil improvement and modification method, be specifically related to a kind of for soil
Earth improvement liquefaction of corn straw liquid and the preparation of liquefier and improvement soil method.
Background technology
Agricultural crop straw about 1000～200,000,000,000 tons is often produced in the whole world per year, and China often produces agricultural crop straw per year and reaches 7
More than hundred million tons.At present, straw is mainly used in fertilizer, feedstuff, the energy, the raw material of industry and carries out deep processing.
But owing to the light weight of straw own, volume cause greatly cost of transportation relatively big and the limitation of development technique, scale profit
More problem is there is also with straw.Not strong owing to transferring farmer concepts in economic benefit aspect, substantial amounts of straw
It is incinerated, not only reduces the economic performance of straw, pollute environment, also lead because of crop straw burning in local
Cause the generation of fire.
Existing soil conditioner or soil and fertilizer, or with agricultural soil as object of study, or to improve soil
Degenerating for the purpose of (desertify, alkalization etc.), seldom having both to increase soil fertility, improves crop yield, again
It is suitable for the soil conditioner of salt affected soil improvement.
Existing straw composting mainly has fermentation and two kinds of methods of charcoal composting.Fermentation method is the longest；And it is biological
Charcoal process for preparing fertilizer not only have lost a large amount of organic matters in straw, reduces straw utilization rate, due also to charcoal is originally
Body is alkalescence, and in salinized soil, use can be restricted.Therefore it is badly in need of developing one and there is improvement soil acid
Basicity and the dual-use function of extra-nutrition, not only can be with the acid-base value of balanced soil but also soil institute can be supplied after using
Lack nitrogen, phosphorus, potassium, organic nutrition nutrient, promote plant growth, improve yield, it is achieved straw usury is used
Rate quickly goes back the soil conditioner in field.
CN105418316A disclosed " a kind of charcoal fertilizer modifying agent being applicable to salinized soil and system thereof
Preparation Method and application process " in high temperature cracking temperature be 300～500 DEG C, the time is 3～5h.
Pyrolysis in CN105367343A disclosed " preparation of a kind of environment-friendly biomass soil conditioner "
Temperature is at 400～500 DEG C, and the time is, and 2～3h.
Summary of the invention
The purpose of the present invention is that for above-mentioned the deficiencies in the prior art, it is provided that one does not use any catalyst
Improvement soil liquefaction of corn straw liquid；
It is a further object of the present invention to provide the liquefaction of corn straw liquid of a kind of improvement soil not using any catalyst
Preparation method；
It is a further object of the present invention to provide a kind of liquefaction of corn straw liquid improveing soil and soil improving method.
Idea of the invention is that: China's straw yield is big, and utilization rate is low, a large amount of burning causes environmental pollution.And
Containing abundant N, P, K, organic matter in the agricultural waste materials such as straw, how by its quick also field, thing
It is with being referred to as the starting point that we study to the greatest extent.In order to not produce secondary pollution, the present invention does not use any catalyst,
It is that medium carries out liquefaction process to straw only with water.The product humic acid that the product obtained and straw are degenerated naturally
Composition closely, has improvement soil acidity or alkalinity and the dual-use function of extra-nutrition, both can balance after using
The acid-base value of soil can supply again the lacked nitrogen of soil, phosphorus, potassium, organic nutrition nutrient, promotes that crop is raw
Long, improve yield, it is achieved straw high usage quickly goes back field.Liquefaction of corn straw liquid both can increase soil fertility,
Improve crop yield, be suitable for again the soil conditioner of salt affected soil improvement.
It is an object of the invention to be achieved through the following technical solutions:
A kind of liquefaction of corn straw liquid improveing soil, with agricultural crop straw as primary raw material, does not use any catalyst,
Straw and water are pressed mass ratio constant temperature under the conditions of 200～320 DEG C, 10～15PMa of 1:10～1:50
0.1～2h carries out liquefaction of corn straw, then liquefaction of corn straw liquid and soil is carried out mix and blend, or by liquefaction of corn straw
Liquid directly carries out spraying or drench filling.
Described straw includes: corn straw, corn cob, rice straw, wheat stalk, sunflower straw,
Agricultural crop straw and branch, leaves, the shells etc. such as cotton stalk, broomcorn straw, Fructus Lycopersici esculenti straw, Pepper stalk
Containing cellulose, the plant refuse of hemicellulose structure.
The preparation method of a kind of liquefaction of corn straw liquid improveing soil, comprises the following steps:
A, straw is cut to length 1～20cm；
B, the straw after cutting is loaded reactor, and adds water by the mass ratio of straw with water 1:10～1:50,
Volume after adding water is not more than the 1/2 of reactor volume；
C, closed reactor charge door, start heater；
D, reactor are heated to 200～320 DEG C, and in controlling reactor, pressure is 10～15PMa；
E, constant temperature 0.1～2h；
F, closedown reactor heater；
G, unlatching reactor chiller, be cooled to room temperature；
H, by reactor drain hole release liquefaction of corn straw liquid；
Liquefaction of corn straw liquid pH value, N, P, K, the content of organic matter are surveyed in I, analysis；
J, detection do not improve the pH value of soil, N, P, K, the content of organic matter；
K, require by proportion of crop planting or soil demand parameter is to using based on liquefaction of corn straw liquid concentration and quantity carries out
Calculate；
L, by result of calculation, liquefaction of corn straw liquid is mixed with modified soil；
M, mixed soil is detected, be modified according to testing result, be allowed to meet conditioned soil
The pH value of earth, the technical specification of N, P, K.
Soil improving method, is by satisfied improvement soil pH value, the liquefaction of corn straw of N, P, K technical specification
Liquid mixes with intending improvement soil, is maybe carried out with intending modified soil by the liquefaction of corn straw liquid meeting technical specification
Spray or drench and fill；Or filling is sprayed or drenched to the plant intending improvement soil plantation.
Beneficial effect: the liquefaction of corn straw liquid of the improvement soil that the present invention provides and the method for improvement soil do not use and appoint
What catalyst, is that medium carries out liquefaction process to straw only with water.The product obtained and straw are degenerated naturally
Product humic acid composition closely, has improvement soil acidity or alkalinity and the dual-use function of extra-nutrition, after using
Not only can with the acid-base value of balanced soil but also the lacked nitrogen of soil, phosphorus, potassium, organic nutrition nutrient can be supplied,
Promote plant growth, improve yield.The liquefaction of corn straw method of the present invention is simple, practical, widely applicable,
Transportation radius is short.On the basis of not changing original farming custom, the usage amount of chemical fertilizer can be reduced in a large number, increase agriculture
People's income, improves peasant and uses enthusiasm, reduce the burning of straw.While improving Soil structure,
Reduce the environmental pollution produced because of crop straw burning.The liquefaction of corn straw method of the present invention can kill what straw was retained
Harmful levels of pathogens, reduces straw and carries the harmful levels of pathogens harm to follow-up farming.
The liquefaction of corn straw method of the present invention realizes straw in 2～4h liquefaction, time compared with fermentation process for preparing fertilizer
Short, temperature conditions is 200～320 DEG C, with utilize straw prepare charcoal fertilizer method compared with temperature low, consumption
Can be little.The full liquefaction achieving crop wastes processes, and a small amount of biomass carbon that process produces is to improving soil knot
Structure is also favourable, and the utilization rate of straw or agricultural waste material is high.
The liquefaction of corn straw liquid of the present invention is that medium carries out liquefaction process to straw only with water.The product obtained and straw
The product humic acid composition that stalk is degenerated naturally closely, has improvement soil acidity or alkalinity and extra-nutrition dual
Function, not only can be with the acid-base value of balanced soil but also the lacked nitrogen of soil, phosphorus, potassium, organic can be supplied after using
Matter nutrition nutrient, promotes plant growth, improves yield, it is achieved straw high usage quickly also a kind of of field improve
The liquefaction of corn straw liquid of soil；
Choose the different soil of Midwest, Jilin Province salinization and alkalization and after Changchun black earth mixes with liquefaction of corn straw liquid
Carry out wheat cultivation experiment.According to experimental result, after applying liquefaction of corn straw liquid, the germination percentage of Semen Tritici aestivi promotes about
8%～50%, growing height promotes 9%～20%.The results show liquefaction of corn straw liquid application is the most permissible after using
The acid-base value of balanced soil can supply again the lacked nitrogen of soil, phosphorus, potassium, organic nutrition nutrient, promotes to make
Thing grows, and improves yield, it is achieved straw high usage quickly goes back field.It is fertile that liquefaction of corn straw liquid both can increase soil
Power, improves crop yield, is suitable for again the soil conditioner of salt affected soil improvement.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail:
A kind of liquefaction of corn straw liquid improveing soil, with agricultural crop straw as primary raw material, presses 1:10 by straw and water
～the mass ratio of 1:50 constant temperature 0.1～2h under the conditions of 200～320 DEG C, 10～15PMa carries out straw
Liquefaction, then carries out mix and blend by liquefaction of corn straw liquid and soil, or directly carry out liquefaction of corn straw liquid spraying or
Drench and fill.
Described straw includes: corn straw, corn cob, rice straw, wheat stalk, sunflower straw,
Agricultural crop straw and branch, leaves, the shells etc. such as cotton stalk, broomcorn straw, Fructus Lycopersici esculenti straw, Pepper stalk
Containing cellulose, the plant refuse of hemicellulose structure.
The preparation method of a kind of liquefaction of corn straw liquid improveing soil, comprises the following steps:
A, straw is cut to length 1～20cm；
B, the straw after cutting is loaded reactor, and adds water by the mass ratio of straw with water 1:10～1:50,
Volume after adding water is not more than the 1/2 of reactor volume；
C, closed reactor charge door, start heater；
D, reactor are heated to 200～320 DEG C, and in controlling reactor, pressure is 10～15PMa；
E, constant temperature 0.1～2h；
F, closedown reactor heater；
G, unlatching reactor chiller, be cooled to room temperature；
H, by reactor drain hole release liquefaction of corn straw liquid；
Liquefaction of corn straw liquid pH value, N, P, K, the content of organic matter are surveyed in I, analysis；
J, detection do not improve the pH value of soil, N, P, K, the content of organic matter；
K, require by proportion of crop planting or soil demand parameter is to using based on liquefaction of corn straw liquid concentration and quantity carries out
Calculate；
L, by result of calculation, liquefaction of corn straw liquid is mixed with modified soil；
M, mixed soil is detected, be modified according to testing result, be allowed to meet conditioned soil
The pH value of earth, the technical specification of N, P, K.
Soil improving method, is by satisfied improvement soil pH value, the liquefaction of corn straw of N, P, K technical specification
Liquid mixes with intending improvement soil, is maybe carried out with intending modified soil by the liquefaction of corn straw liquid meeting technical specification
Spray or drench and fill；Or filling is sprayed or drenched to the plant intending improvement soil plantation.
Embodiment 1
Choosing agricultural wastes corn straw is raw material, by 15g corn straw cut growth 20cm；To cut
The corn straw cut and 500g water are put in closed reactor and are liquefied, and temperature controls at 320 DEG C, pressure control
System is 0.5h in 15PMa temperature retention time, obtains liquefaction of corn straw liquid after cooling；
Recording liquefaction of corn straw liquid pH value through analysis is 3.80, and nitrogen, phosphorus, potassium, organic content are respectively
1948.0mg/kg、422.4mg/kg、52000.0mg/kg、26.5g/kg。
200ml corn straw liquefier is mixed with the stirring of 1kg Jilin Province Midwest saline-alkali soil, surveys through analyzing
, after improvement, the pH value of saline-alkali soil is become 6.72 from 8.65；Nitrogen content is promoted by 18.84mg/kg
To 86.12mg/kg, phosphorus content by 15.95mg/kg be promoted to 24.50mg/kg, potassium content by
136.80mg/kg is promoted to 1451.25mg/kg.Plantation Semen Tritici aestivi germination percentage compare improvement before by
66.67% becomes 80%, and the plant height of Semen Tritici aestivi adds 8.2% before comparing improvement.
Embodiment 2
Choosing agricultural wastes corn cob is raw material, by 15g corn cob cut growth 1cm；By well cutting
Corn cob and 500g water are put in closed reactor and are liquefied, and temperature controls at 260 DEG C, and pressure controls
13PMa, temperature retention time is 0.1h, obtains liquefaction of corn-cob liquid after cooling；
Being 3.20 through analyzing the pH value recording liquid phase part, nitrogen, phosphorus, potassium, organic content are respectively
2280.0mg/kg、420mg/kg、21000.0mg/kg、27.4g/kg。
Drench as a example by filling improvement 1.5kg Jilin Province Midwest saline-alkali soil by every 100ml liquefaction of corn-cob liquid, through dividing
Analysis records, and after improvement, the pH value of saline-alkali soil is become 7.33 from 8.25；Nitrogen content is carried by 45.22mg/kg
It is upgraded to 186.88mg/kg；Phosphorus content is promoted to 54.12mg/kg by 29.74mg/kg；Potassium content
Be promoted to 1431.25mg/kg by 60.81mg/kg, the germination percentage of plantation Semen Tritici aestivi compare before improvement by
70% becomes 85%, and the plant height of Semen Tritici aestivi adds 10% before comparing improvement, Semen Tritici aestivi disease-resistant, growth, really
Real plumpness be improved significantly.
Embodiment 3
Choosing agricultural wastes wheat stalk is raw material, by 50g wheat stalk cut growth 20cm；To cut
The wheat stalk cut and 500g water are put in closed reactor and are liquefied, and temperature controls at 200 DEG C, pressure
Controlling in 10PMa temperature retention time is 1h, obtains liquefaction of corn straw liquid after cooling；
Recording liquefaction of corn straw liquid pH value through analysis is 3.30, and nitrogen, phosphorus, potassium, organic content are respectively
6023.2mg/kg、1478.1mg/kg、33796.5mg/kg、80.6g/kg。
300ml wheat stalk liquefier is mixed with the stirring of 1kg Jilin Province Midwest saline-alkali soil, through experiment point
Analysis records, and after improvement, the pH value of saline-alkali soil is become 7.12 from 9.05；Nitrogen content is by 15.14mg/kg
Be promoted to 89.12mg/kg, phosphorus content is promoted to 36.50mg/kg, potassium content by 13.18mg/kg
It is promoted to 1151.25mg/kg by 56.80mg/kg.After plantation Semen Tritici aestivi, plant was sprayed in every 7 days
State 30% water diluent 50ml of liquefaction of corn straw liquid.It is front by 28.17% that the germination percentage of plantation Semen Tritici aestivi compares improvement
Becoming 78.20%, the plant height of Semen Tritici aestivi adds 19.2% before comparing improvement.
Embodiment 4
Choosing agricultural wastes cotton stalk is raw material, by 10g cotton stalk cut growth 2cm；Will cutting
Good cotton stalk and 500g water are put in closed reactor and are liquefied, and temperature controls at 200 DEG C, pressure control
System is 2h in 10PMa temperature retention time, obtains liquefaction of corn straw liquid after cooling；
Recording liquefaction of corn straw liquid pH value through analysis is 4.20, and nitrogen, phosphorus, potassium, organic content are respectively
1321.8mg/kg、329.1mg/kg、28796.5mg/kg、14.6g/kg。
200ml cotton stalk liquefier is mixed with the stirring of 1kg Jilin Province Midwest saline-alkali soil, through experiment point
Analysis records, and after improvement, the pH value of saline-alkali soil is become 7.33 from 8.65；Nitrogen content is by 18.84mg/kg
Be promoted to 66.12mg/kg, phosphorus content is promoted to 20.59mg/kg, potassium content by 15.95mg/kg
It is promoted to 1011.36mg/kg by 136.80mg/kg.After plant cotton, the plant height of Cotton Gossypii compares improvement
Before add 9.2%.
Embodiment 5
Choosing agricultural wastes sunflower straw is raw material, by 50g sunflower straw cut growth 5cm；Will
The sunflower straw of well cutting and 500g water are put in closed reactor and are liquefied, and temperature controls at 200 DEG C,
It is 1h that pressure controls in 15PMa temperature retention time, obtains liquefaction of corn straw liquid after cooling；
Recording liquefaction of corn straw liquid pH value through analysis is 3.75, and nitrogen, phosphorus, potassium, organic content are respectively
6153.6mg/kg、1392.6mg/kg、136986mg/kg、41.8g/kg。
200ml sunflower straw liquefier is mixed with the stirring of 1kg Jilin Province Midwest saline-alkali soil, through experiment
Analysis records, and after improvement, the pH value of saline-alkali soil is become 6.83 from 8.65；Nitrogen content is by 18.84mg/kg
Be promoted to 136.92mg/kg, phosphorus content is promoted to 30.99mg/kg by 15.95mg/kg, potassium contains
Amount is promoted to 2158.26mg/kg by 136.80mg/kg.After plantation Helianthi, the plant height phase of Helianthi
13.5% is added than before improvement.
Embodiment 6
Choosing agricultural wastes Fructus Lycopersici esculenti straw is raw material, by 50g Fructus Lycopersici esculenti straw cut growth 5cm；Will cutting
Good Fructus Lycopersici esculenti straw and 500g water are put in closed reactor and are liquefied, and temperature controls at 200 DEG C, pressure control
System is 0.5h in 10PMa temperature retention time, obtains liquefaction of corn straw liquid after cooling；
Recording liquefaction of corn straw liquid pH value through analysis is 3.54, and nitrogen, phosphorus, potassium, organic content are respectively
5986.8mg/kg、1286.3mg/kg、96396mg/kg、41.2g/kg。
200ml Fructus Lycopersici esculenti liquefaction of corn straw liquid is mixed with the stirring of 1kg Jilin Province Midwest saline-alkali soil, surveys through analyzing
, after improvement, the pH value of saline-alkali soil is become 6.71 from 8.65；Nitrogen content is promoted by 18.84mg/kg
To 119.18mg/kg, phosphorus content by 15.95mg/kg be promoted to 27.65mg/kg, potassium content by
136.80mg/kg is promoted to 1568.2mg/kg.After cultivated tomato rice shoot, plant was sprayed in every 7 days
30% water diluent 50ml of above-mentioned liquefaction of corn straw liquid.Tomato yield adds 18.6% before comparing improvement.
Embodiment 7
Choosing agricultural wastes Pepper stalk is raw material, by 50g Pepper stalk cut growth 5cm；Will cutting
Good Pepper stalk and 500g water are put in closed reactor and are liquefied, and temperature controls at 200 DEG C, pressure control
System is 0.1h in 10PMa temperature retention time, obtains liquefaction of corn straw liquid after cooling；
Recording liquefaction of corn straw liquid pH value through analysis is 3.62, and nitrogen, phosphorus, potassium, organic content are respectively
6586.8mg/kg、1486.3mg/kg、112396mg/kg、41.4g/kg。
200ml Pepper stalk liquefier is mixed with the stirring of 1kg Jilin Province Midwest saline-alkali soil, surveys through analyzing
, after improvement, the pH value of saline-alkali soil is become 6.83 from 8.65；Nitrogen content is promoted by 18.84mg/kg
To 123.52mg/kg, phosphorus content by 15.95mg/kg be promoted to 29.18mg/kg, potassium content by
136.80mg/kg is promoted to 1756.9mg/kg.After cultivated peppers rice shoot, plant was sprayed in every 7 days
30% water diluent 50ml of above-mentioned liquefaction of corn straw liquid.Yield of hot pepper adds 17.3% before comparing improvement.
Claims (4)
1. the liquefaction of corn straw liquid improveing soil, it is characterised in that with agricultural crop straw as primary raw material,
Be not added with any catalyst, straw and water are pressed the mass ratio of 1:10～1:50 200～320 DEG C, 10～
Under the conditions of 15PMa, constant temperature 0.1～2h carries out liquefaction of corn straw, is then mixed with soil by liquefaction of corn straw liquid
Stir or directly carry out liquefaction of corn straw liquid spraying and drench filling.
A kind of liquefaction of corn straw liquid improveing soil the most according to claim 1, it is characterised in that described
Straw include: straw include corn straw, corn cob, rice straw, wheat stalk, sunflower straw,
Agricultural crop straw and branch, leaves, the shells etc. such as cotton stalk, broomcorn straw, Fructus Lycopersici esculenti straw, Pepper stalk
Cellulose, the plant refuse of hemicellulose structure.
The preparation method of a kind of liquefaction of corn straw liquid improveing soil the most according to claim 1, its feature
It is, comprises the following steps:
A, straw is cut to length 1～20cm；
B, the straw after cutting is loaded reactor, and adds water by the mass ratio of straw with water 1:10～1:50,
Volume after adding water is not more than the 1/2 of reactor volume；
C, closed reactor charge door, start heater；
D, reactor are heated to 200～320 DEG C, and in controlling reactor, pressure is 10～15PMa；
E, constant temperature 0.1～2h；
F, closedown reactor heater；
G, unlatching reactor chiller, be cooled to room temperature；
H, by reactor drain hole release liquefaction of corn straw liquid；
Liquefaction of corn straw liquid pH value, N, P, K, the content of organic matter are surveyed in I, analysis；
J, detection do not improve the pH value of soil, N, P, K, the content of organic matter；
K, require by proportion of crop planting or soil demand parameter is to using based on liquefaction of corn straw liquid concentration and quantity carries out
Calculate；
L, by result of calculation, liquefaction of corn straw liquid is mixed with modified soil；
M, mixed soil is detected, be modified according to testing result, be allowed to meet conditioned soil
The pH value of earth, the technical specification of N, P, K.
The soil improvement method of a kind of liquefaction of corn straw liquid improveing soil the most according to claim 1, its
It is characterised by, by satisfied improvement soil pH value, liquefaction of corn straw liquid and the plan improvement of N, P, K technical specification
Soil mixes, and maybe carries out spraying or drenching with intending modified soil by the liquefaction of corn straw liquid meeting technical specification
Fill；Or filling is sprayed or drenched to the plant intending improvement soil plantation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610289311.3A CN105967942B (en) | 2016-05-04 | 2016-05-04 | Straw liquefied liquid for improving soil and preparation and soil improvement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610289311.3A CN105967942B (en) | 2016-05-04 | 2016-05-04 | Straw liquefied liquid for improving soil and preparation and soil improvement method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105967942A true CN105967942A (en) | 2016-09-28 |
| CN105967942B CN105967942B (en) | 2020-03-17 |
Family
ID=56994307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610289311.3A Active CN105967942B (en) | 2016-05-04 | 2016-05-04 | Straw liquefied liquid for improving soil and preparation and soil improvement method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105967942B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107652128A (en) * | 2017-09-30 | 2018-02-02 | 安徽金帝豪肥业有限公司 | A kind of improving fertilizer based on crop material stalk and preparation method thereof |
| CN108299032A (en) * | 2018-04-11 | 2018-07-20 | 吉林大学 | A method of quickly preparing organic fertilizer |
| CN113277905A (en) * | 2021-05-27 | 2021-08-20 | 吉林大学 | Method for preparing fertilizer from phosphated residue, phosphated residue fertilizer and application |
| CN113943189A (en) * | 2021-12-07 | 2022-01-18 | 梁鹏举 | Method for preparing biomass compound liquid organic fertilizer by utilizing agricultural wastes |
| CN115849987A (en) * | 2022-11-25 | 2023-03-28 | 黑龙江世纪云天化农业科技有限公司 | Soil improvement type liquid fertilizer and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102618313A (en) * | 2012-04-10 | 2012-08-01 | 上海大学 | Method for preparing biological oil with high calorific value in subcritical/ supercritical water |
| CN103102253A (en) * | 2012-12-26 | 2013-05-15 | 宋卫华 | Method for comprehensively utilizing straw liquid by liquefaction and separation |
-
2016
- 2016-05-04 CN CN201610289311.3A patent/CN105967942B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102618313A (en) * | 2012-04-10 | 2012-08-01 | 上海大学 | Method for preparing biological oil with high calorific value in subcritical/ supercritical water |
| CN103102253A (en) * | 2012-12-26 | 2013-05-15 | 宋卫华 | Method for comprehensively utilizing straw liquid by liquefaction and separation |
Non-Patent Citations (5)
| Title |
|---|
| 何建辉: "生物质直接液化的实验研究", 《中国优秀博硕士学位论文数据库(硕士) 工程科技Ⅱ辑》 * |
| 宋春财: "农作物秸秆的热解及在水中的液化研究", 《大连理工大学博士学位论文》 * |
| 宋春财: "生物质秸秆在水中热化学液化研究", 《四川大学学报》 * |
| 朱道飞: "生物质在超临界水中液化转化的实验研究", 《昆明理工大学硕士学位论文》 * |
| 贾志刚: "超临界水中生物质的热化学液化", 《大连理工大学硕士学位论文》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107652128A (en) * | 2017-09-30 | 2018-02-02 | 安徽金帝豪肥业有限公司 | A kind of improving fertilizer based on crop material stalk and preparation method thereof |
| CN108299032A (en) * | 2018-04-11 | 2018-07-20 | 吉林大学 | A method of quickly preparing organic fertilizer |
| CN113277905A (en) * | 2021-05-27 | 2021-08-20 | 吉林大学 | Method for preparing fertilizer from phosphated residue, phosphated residue fertilizer and application |
| CN113943189A (en) * | 2021-12-07 | 2022-01-18 | 梁鹏举 | Method for preparing biomass compound liquid organic fertilizer by utilizing agricultural wastes |
| CN115849987A (en) * | 2022-11-25 | 2023-03-28 | 黑龙江世纪云天化农业科技有限公司 | Soil improvement type liquid fertilizer and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105967942B (en) | 2020-03-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103980051B (en) | A kind of ureaformaldehyde humic acid organic fertilizer | |
| CN101381251B (en) | Ecological organic fertilizer and preparation method thereof | |
| CN105967942A (en) | Straw liquefied liquid for improving soil, preparation method thereof and soil improving method | |
| CN105924268A (en) | Carbon-based rice seedling raising substrate for rice and preparation method thereof | |
| CN103288554B (en) | Organic microbial fertilizer for lettuces and preparation method thereof | |
| CN108276210A (en) | A kind of tea oil tree special fertilizer and preparation method thereof | |
| CN105918002A (en) | Cultivation soil for climbing plants and preparation method for cultivation soil | |
| CN104692873A (en) | Special ecological fertilizer for watermelon and preparation method thereof | |
| CN104761391A (en) | Special fertilizer for Chinese torreya seedling base fertilizer and preparation method thereof | |
| CN105367247A (en) | Special slow-release compound fertilizer for rosaceous grapes and preparation method for fertilizer | |
| CN103524228A (en) | Special biofertilizer for cucumbers and preparation method thereof | |
| CN104086238A (en) | Preparation method of biogas residue organic fertilizer employing biochar as carrier | |
| CN104163689A (en) | Organic fertilizer by fermented duckweed and preparation method thereof | |
| CN110256163A (en) | A kind of basic soil regulator for improveing acidified soil | |
| CN104016756A (en) | Spraying granulation process of compound fertilizer containing organic matters | |
| CN102040430B (en) | Method for producing compound microbial fertilizer with insecticidal effect | |
| CN104529598A (en) | Special slow release fertilizer for onion plantation and preparation method thereof | |
| CN105036994A (en) | Method for preparing rice light-weight soilless seedling raising matrix by utilizing biochelation technology | |
| CN101508609A (en) | Compound fertilizer formula for promoting growth of seedling and plant use method | |
| CN101787287A (en) | Method for producing liquid mulching film from potato starch waste slag and liquid | |
| CN106083465A (en) | The organic mineral fertilizer that a kind of Paligorskite is combined with brown coal | |
| CN104261960A (en) | Organic fertilizer for increasing pepper yield and preparation method thereof | |
| CN109809925A (en) | A kind of biological organic fertilizer | |
| CN108046916A (en) | A kind of corn special bio medicine fertilizer and preparation method | |
| CN104591819A (en) | Production method for poultry-manure organic composite fertilizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20160928 Assignee: Xigou aquaculture Park, Shizui Town, Panshi City Assignor: Jilin University Contract record no.: X2020220000010 Denomination of invention: A straw liquefaction liquid for improving soil and its preparation and soil improvement method Granted publication date: 20200317 License type: Common License Record date: 20201116 |