CN101235292A - High activity biological water-retention saline alkali soil modifier and preparation method thereof - Google Patents
High activity biological water-retention saline alkali soil modifier and preparation method thereof Download PDFInfo
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- CN101235292A CN101235292A CNA2008100175655A CN200810017565A CN101235292A CN 101235292 A CN101235292 A CN 101235292A CN A2008100175655 A CNA2008100175655 A CN A2008100175655A CN 200810017565 A CN200810017565 A CN 200810017565A CN 101235292 A CN101235292 A CN 101235292A
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Abstract
The invention provides a high activity biological water retention alkali oil modifying agent, which is prepared through fully and evenly mixing vegetable stem powder, humic acid, water-loss reducer, carbamide, gypsum, high activity biological agent, sodium ion adsorbent and acid according to certain proportion, adding binding agent which is 0.3-1time of the whole weight of raw material, and granulating in pelleting machine. The high activity biological water retention alkaline earth modifying agent which is prepared by the invention can effectively improve soil aggregate structure, increases the water holding property of soil, can effectively dissociate and absorb metal ion, reduces the components of soil soluble salt, increases soil organic matter and nutrition, and has extremely significant soil modifying effect.
Description
Technical field
The invention belongs to technical field of agricultural fertilizers, relate to a kind of soil improvement agent, relate in particular to a kind of high-activity biological water-keeping soil improvement agent and preparation method thereof.High-activity biological water-keeping soil improvement agent of the present invention is mainly used in the improvement of salt affected soil.
Background technology
The salt affected soil area is bigger in China, and is bigger to agroforestry production and influence on development.Chinese patent 00100436 discloses a kind of saline-alkali soil conditioner and preparation method thereof; Chinese patent 200510012366.1 has been announced a kind of alkaline soil improver, is with gypsum, stalk, and the certain ratio of urea bank is composited.Chinese patent 200610146026.2 discloses unexpected modifying agent of a kind of saltings special nutritional and working method thereof, and by following raw materials in percentage by weight: 30%～50% desulfurization waste, 10%～15% promotor, 10%～30% straw powder, 10%～20% furfural dregs and 10%～12% fertilizer are composited; Chinese patent 200610010593.5 discloses a kind of preparation method of saline-alkali soil conditioner, be with polyacrylic acid with water dissolution after, under agitation add mineral acid, wood vinegar and plant hormone successively, mix.The mass percent of each material is: polyacrylic acid 5～25, mineral acid 10～50, wood vinegar 1～5, plant hormone 0.01～2.0, surplus are water.Though above-mentioned saline-alkali soil conditioner has certain improving effect to salt affected soil, effect is not very good, and range of application is all not too extensive.
Summary of the invention
The purpose of this invention is to provide that a kind of performance is good, biologically active, improvement saline-alkali soil obvious results novel high-activity biological water-retention saline alkali soil modifier.
Another object of the present invention provides a kind of preparation method of this high activity biological water-retention saline alkali soil modifier.
High activity biological water-retention saline alkali soil modifier of the present invention is with plant straw powder, humic acids, water-holding agent, urea, gypsum, high-activity biological preparation, sodium ion sorbent material, sour thorough mixing, adds binding agent, granulation in tablets press and getting.
Described each raw material is as follows by following proportion by weight:
Straw powder 10,1～20 part of humic acids, 1～10 part of water-holding agent, 1～10 part in urea, 1～20 part in gypsum, 1～10 part of acid, 0.1～5 part of high-activity biological microbial inoculum, 1～10 part in sodium ion sorbent material.
Described straw powder is at least a during food crop, cash crop, plant stem-leaf, skin, woods grass meal are minced.
Described water-holding agent is the acrylate water-holding agent, acrylamide water-holding agent, starch graft acrylic acid water-holding agent, cellulose graft vinylformic acid water-holding agent, acrylic acid copolymerization water-holding agent, any in the moisture holding agent of humic acid.
Described acid is at least a in citric acid, wood acid, oxysuccinic acid, propionic acid, gala acid, Whitfield's ointment, the oxalic acid.
Described high-activity biological bacterium is EM bacterium functions such as (EM is the english abbreviation of EnochMicrobies, and Chinese name is translated into promise beneficial microorganism group, is made up of multiple microorganism) having fixed nitrogen, phosphorus decomposing, potassium decomposing, improve the soil, foster and apply fertilizer.
Described binding agent is a water-soluble binder.
High activity biological water-retention saline alkali soil modifier preparation method of the present invention; be that plant straw powder, humic acids, water-holding agent, urea, gypsum, the sour thorough mixing of described formula ratio is even; 0.3～1 times the binding agent that adds the raw material total amount again, granulation in tablets press.
The present invention compared with prior art has following characteristics:
1, saline-alkali soil conditioner of the present invention has increased high-activity biological bacterium (as EM liquid), has fixed nitrogen, phosphorus decomposing, potassium decomposing, improves the soil, fertilization effect, and the effect of product improvement salt affected soil is improved greatly.
2, saline-alkali soil conditioner of the present invention can effectively improve soil aggregate, improves the soil water retention performance, can effectively decompose and absorb metal ion, reduces the composition of soil soluble salt, increases the soil organism and nutrition, and the effect of improving the soil is very obvious.
3, the present invention adopts the production technique of mixing, granulation, and is simple to operate, environmental protection, and three-waste free pollution helps large-scale production.
Embodiment
Embodiment one, with 10 parts of plant straw powders, 1 part of humic acids, 1 part of acrylate water-holding agent, 1 part in urea, 1 part in gypsum, 1 part of citric acid; 0.1 part of EM bacterium; 1 part in sodium ion sorbent material is (in mass parts; down together); thorough mixing is even in mixing machine; 0.3～1 times the water-soluble binder that adds the raw material total amount again, (particle diameter is 1～3mm) in granulation in tablets press.Straw powder is any (down with) during food crop, cash crop, plant stem-leaf, skin, woods grass meal are minced.
Embodiment two, with 10 parts of plant straw powders, 4 parts of humic acidss, 2 parts of acrylamide water-holding agents, 2 parts in urea, 5 parts in gypsum, 10 parts of wood acids; 5 parts of EM bacterium; 4 parts in sodium ion sorbent material; thorough mixing is even in mixing machine; 0.3～1 times the water-soluble binder that adds the raw material total amount again, (particle diameter is 1～3mm) in granulation in tablets press.
Embodiment three, with 10 parts of plant straw powders, 8 parts of humic acidss, 4 parts of starch graft acrylic acid water-holding agents, 4 parts in urea, 8 parts in gypsum, 8 parts of oxalic acid; 4 parts of EM bacterium; 8 parts in sodium ion sorbent material; thorough mixing is even in mixing machine; 0.3～1 times the water-soluble binder that adds the raw material total amount again, (particle diameter is 1～3mm) in granulation in tablets press.
Embodiment four, with 10 parts of plant straw powders, 10 parts of humic acidss, 5 parts of cellulose graft vinylformic acid water-holding agents, 5 parts in urea, 10 parts in gypsum, 6 parts of oxysuccinic acid; 3.5 parts of EM bacterium; 6 parts in sodium ion sorbent material; thorough mixing is even in mixing machine; 0.3～1 times the water-soluble binder that adds the raw material total amount again, (particle diameter is 1～3mm) in granulation in tablets press.
Embodiment five, with 10 parts of plant straw powders, 12 parts of humic acidss, 7 parts of acrylic acid copolymerization water-holding agents, 6 parts in urea, 12 parts in gypsum, 4 parts of propionic acid; 3 parts of EM bacterium; 10 parts in sodium ion sorbent material; thorough mixing is even in mixing machine; 0.3～1 times the water-soluble binder that adds the raw material total amount again, (particle diameter is 1～3mm) in granulation in tablets press.
Embodiment six, with 10 parts of plant straw powders, 16 parts of humic acidss, 8 parts of moisture holding agent of humic acid, 7 parts in urea, 15 parts in gypsum, 3 parts of Whitfield's ointments; 2 parts of EM bacterium; 3 parts in sodium ion sorbent material; thorough mixing is even in mixing machine; 0.3～1 times the water-soluble binder that adds the raw material total amount again, (particle diameter is 1～3mm) in granulation in tablets press.
Embodiment seven, with 10 parts of plant straw powders, 20 parts of humic acidss, 10 parts of acrylate water-holding agents, 8 parts in urea, 18 parts in gypsum, 2 parts of gala acid; 1.2 parts of EM bacterium; 7 parts in sodium ion sorbent material; thorough mixing is even in mixing machine; 0.3～1 times the water-soluble binder that adds the raw material total amount again, (particle diameter is 1～3mm) in granulation in tablets press.
Embodiment eight, with 10 parts of plant straw powders, 17 parts of humic acidss, 9 parts of acrylate water-holding agents, 6 parts in urea, 19 parts in gypsum, 1.5 parts of citric acids; 1.2 parts of EM bacterium; 9 parts in sodium ion sorbent material; thorough mixing is even in mixing machine; 0.3～1 times the water-soluble binder that adds the raw material total amount again, (particle diameter is 1～3mm) in granulation in tablets press.
Claims (8)
1, a kind of high activity biological water-retention saline alkali soil modifier is with behind plant straw powder, humic acids, water-holding agent, urea, gypsum, high-activity biological preparation, sodium ion sorbent material, the sour thorough mixing, adds binding agent, granulation in tablets press and getting.
2, high activity biological water-retention saline alkali soil modifier according to claim 1 is characterized in that: described each raw material is by following proportion by weight:
10 parts of straw powder, 1～20 part of humic acids, 1～10 part of water-holding agent, 1～10 part in urea, 1～20 part in gypsum, 1～10 part of acid, 0.1～5 part in high-activity biological preparation, 1～10 part in sodium ion sorbent material.
3, high activity biological water-retention saline alkali soil modifier as claimed in claim 1 or 2 is characterized in that: described straw powder is any during food crop, cash crop, plant stem-leaf, skin, woods grass meal are minced.
4, high activity biological water-retention saline alkali soil modifier as claimed in claim 1 or 2, it is characterized in that: described water-holding agent is the acrylate water-holding agent, the acrylamide water-holding agent, the starch graft acrylic acid water-holding agent, cellulose graft vinylformic acid water-holding agent, acrylic acid copolymerization water-holding agent, any in the moisture holding agent of humic acid.
5, high activity biological water-retention saline alkali soil modifier as claimed in claim 1 or 2 is characterized in that: described acid is at least a in citric acid, wood acid, oxysuccinic acid, propionic acid, gala acid, Whitfield's ointment, the oxalic acid.
6, high activity biological water-retention saline alkali soil modifier as claimed in claim 1 or 2, it is characterized in that: described high-activity biological bacterium is the EM bacterium.
7, high activity biological water-retention saline alkali soil modifier as claimed in claim 1 or 2, it is characterized in that: described binding agent is a water-soluble binder.
8, high activity biological water-retention saline alkali soil modifier preparation method according to claim 1; be that plant straw powder, humic acids, water-holding agent, urea, gypsum, acid, high-activity biological preparation, the sodium ion sorbent material thorough mixing of described formula ratio is even; add 0.3～1 times binding agent of raw material total amount then, granulation promptly in tablets press.
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| CN102217438A (en) * | 2011-04-07 | 2011-10-19 | 张振举 | Saline-alkali soil improvement method |
| CN102239758A (en) * | 2010-05-11 | 2011-11-16 | 上海市农业科学院 | Biodegradation type method for remedying saline-alkali soil |
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