CN103718803A - Method for using chitin to promote rooting of vegetable seedlings - Google Patents
Method for using chitin to promote rooting of vegetable seedlings Download PDFInfo
- Publication number
- CN103718803A CN103718803A CN201310717642.9A CN201310717642A CN103718803A CN 103718803 A CN103718803 A CN 103718803A CN 201310717642 A CN201310717642 A CN 201310717642A CN 103718803 A CN103718803 A CN 103718803A
- Authority
- CN
- China
- Prior art keywords
- chitin
- root
- green vegetables
- raw material
- organic
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Landscapes
- Fertilizers (AREA)
Abstract
The invention discloses a method for using chitin to promote rooting of vegetable seedlings. The method is characterized by mainly including the following steps: 1), weighing, by weight, 5-10 parts of chitin powder, and preparing chitin organic water-soluble fertilizer with chitosan content to be 30-40g/l for standby use; 2), taking and diluting 50% of the chitin organic water-soluble fertilizer obtained in the step 1) by 700-800 times, and soaking roots of green vegetable seedlings in a dilution of the chitin organic water-soluble fertilizer for 0.3-1h; 3), subjecting the green vegetable seedlings to organic-ecotype soilless cultivation, and diluting another 50% of the chitin organic water-soluble fertilizer obtained in the step 1) by 500-700 times for sprinkle-applying when a leaf vegetable has 5-6 main leaves or a melon has 2-4 main leaves. By the method, the chitin is used to quickly increase rooting speed of the green vegetable seedlings, so that seedling recovery period is shortened; natural organic fertilizer is used in the whole process of planting, so that harvested vegetables are low in pesticide residue rate, and standards of green vegetables are met.
Description
Technical field
The present invention relates to a kind of method that promotes that seedling takes root, relate in particular to a kind of method of taking root with chitin promotion green vegetables seedling.
Background technology
Chitin has another name called chitin, chitin, chitin, chitin, chitin, chemical name is β-(1,4)-2-acetylaminohydroxyphenylarsonic acid 2-deoxy-D-glucose, it is a kind of natural polysaccharide, be the unique positively charged natural polymers of current occurring in nature, belong to straight chain glycosaminoglycan.The cellulose extensively existing in the plant of chitin molecule chemical constitution territory is closely similar, hydroxyl on second carbon atom of the cellulosic individual molecule-glucose molecule of composition is changed into acetylamino or amino, cellulose has just become chitin like this, therefore, chitin also can be described as animal fiber.Chitin is widespread in nature in the organisms such as the shell of higher fungi class, a joint animal shrimp, crab, insect.Due to large intermolecular strong hydrogen bond action, the chitin crystal structure that causes natural world to exist is firm, does not generally melt, also water insoluble, soda acid and general organic solvent, chemical property is highly stable, applies limitedly, only has the chitin after processing could extensive use.In recent years, the application of chitin in agricultural is more and more extensive, because chitin fertilizer has some physiologically actives that conventional fertilizers does not have, remarkably productive and enjoy high praise in actual production.
Chitin and vegetables are in close relations, vegetables growth, obtain in the puberty chitin number, directly have influence on output and the quality of vegetables.Occurring in nature vegetables, obtain the approach of chitin single, can only rely on the chitin of the direct contact site of insect and decompose and absorb, or the thalline of the insect remains that decomposed by microorganism from soil, fungi self-dissolving obtains chitin.But, along with farmland, to use in a large number chemical fertilizer, agricultural chemicals the insect numbers in farmland is greatly reduced, the microbial ecological balance in soil is broken, and causes shortage chitin in various degree in soil.In addition, the popularization of greenhouse gardening, cultivation technique without soil makes insect and vegetables isolation, has cut off the approach of vegetables acquisition chitin, causes chitin to lack.In growing vegetables process, during Seeding planting, because of through transplanting, after environment change, need to there is a process that again adapts to or recover, be referred to as slow seedling.Main growth root system during this, acrial part performance is not obvious.In order to promote seedling, spend better faster seedling-slowing stage, for having good growing way and obtain high yield, plant from now on lays a good foundation, and sometimes setting date can run into day after day the cloudy day cause plant not take root or root development bad etc., the present invention uses chitin can improve soil, culture fertility, improves plant recovery of nutrient in soil, adjusts soil microflora, there is good taking root and protect root effect, remove the bad problem of root growth.
Summary of the invention
Object of the present invention, in order to solve the problem of above-mentioned existence, provides a kind of method of taking root with chitin promotion seedling, and help seedling fast long root takes root, and shortens the seedling-slowing stage of seedling.
Technical scheme provided by the invention is: a kind of method of taking root with chitin promotion green vegetables seedling, it is characterized in that, and mainly comprise the following steps:
1) take by weight chitin powder 5-10, the ash aqueous solution and the people and animals of becoming thoroughly decomposed urinate dissolving, and preparation chitosan content is the chitin organic water-soluble fertilizer of 30-40 grams per liter, standby;
2) get step 1) the chitin organic water-soluble fertilizer 50% that obtains dilutes 700-800 doubly, then the root of green vegetables seedling is dipped in chitin organic water-soluble fertilizer dilution, soaks 0.3-1h;
3) green vegetables seedling is carried out to organic ecological soilless culture, when leaf vegetables grows 5-6 sheet true leaf or the melon 2-4 of growing sheet true leaf, then by step 1) chitin organic water-soluble fertilizer 50% dilution 500-700 doubly, root is drenched and is executed, at interval of pouring in 5-9 days once, continuous 2-5 time; Run into rainy weather, can after 3-5 days, again root be drenched and be executed again.
Preferably, step 1) the described ash aqueous solution is 1: 1 with the part by weight of the people and animals' urine that becomes thoroughly decomposed, and wherein ash concentration of aqueous solution is 1mol/L, and the concentration of the people and animals of becoming thoroughly decomposed urine is 1mol/L.Be mainly to accelerate the dissolving of chitin with the synergy of the ash aqueous solution and people and animals' urine, and obtain the chitosan of high level, increased the fertilizer efficiency of chitin.Also the consumption that has reduced alkali, has reduced the pollution of environment simultaneously.
Preferably, described organic ecological soilless culture is using the well-rotted farmyard manure that is mixed with chitin powder as base manure.Vegetables enter after setting date, and seedling root development is normal, are added with the base manure of chitin, have good guarantor's root effect, effectively prevent that rhizome from suffering the destruction of disease worm.
Preferably, the matrix of described ecological organic soilless culture is that effluent sand mixes with wooden chaff at 1: 1.River sand compacts, and wooden chaff is soft, and both are in conjunction with the water content of effectively controlling matrix, and moisture can be not too much or very few.
Preferably, the extracting method of chitin powder is:
1) chitin raw material is cleaned, is put into and in Bulking tank, carry out pretreatment 0.5-2h,
2) raw material is added and in citric acid, carries out ultrasonic oscillation 3-5h,
3) and then by raw material add in liquor potassic permanganate and stir and be heated to 50-60 ℃, reaction 3-5h,
4) raw material is added in nitric acid, reaction 1-2h, cleans 5-6 time repeatedly with clear water,
5) put into baking oven and dry, temperature is 80-100 ℃; Finally with cracker, pulverize, the chitin powder of gained is 80-100 order.
Preferably, often carry out all with clear water, chitin raw material being cleaned 5-6 time repeatedly before next step.
Preferably, described step 1) in the pressure of Bulking tank be that 0.3-0.8MPa temperature is 50-70 ℃, the expanded time is 1-2h.
Preferably, described step 2) in the concentration of citric acid be 0.8mol/L, ultrasonic frequency is adjusted to 50-80KHz, the reaction time is 0.5-2h.
Preferably, described step 3) in the concentration of potassium permanganate be 2mol/L, with the weight ratio of raw material be 2-4: 1.
Preferably, described step 4) in the concentration of nitric acid be 1mol/L, with the weight ratio of raw material be 2-5: 1.
The beneficial effect that the present invention brings has: before 1, transplanting, first with chitin organic water-soluble fertilizer, soak, promote the absorption of root to chitin, when can Rapid Rooting, fast Adaptable growth environment after sprigging; If do not soak chitin organic water dissolubility fertilizer before sprigging, the seedling root development that enters seedling-slowing stage is incomplete, and the probability that suffers the infringement of disease worm and infect various diseases is than soaking the much bigger of chitin; 2, in conjunction with organic ecological soilless culture, balanced nutrition can be provided, the seedling that is more conducive to seedling-slowing stage comparatively fast obtains nutrient.3, setting date makes chitin convert in feed liquor state fertilizer, for vegetables provide chitin endlessly, strengthens plant and inhales fertilizer, water suction, drought resisting, ability resistant to lodging, enhancing immunity, robust plant high yield.4, adopt raw material is carried out to expanded pretreatment, reduce the compactness of this body structure of raw material, increase the reactivity of raw material, reduced the reaction time of subsequent step.And adopt citric acid to remove the mineral salt in raw material, adopt machinery concussion except deproteinize, avoid using the pollution of concentrated acid concentrated base to environment.
The present invention uses chitin can promote fast the rooting rate of green vegetables seedling, has shortened seedling-slowing stage, all uses natural organic fertilizer material between planting season simultaneously, and the vegetable pesticide residue rate obtaining is low, realizes the standard of green vegetables.
Specific embodiment
Embodiment 1
A method of taking root with chitin promotion Seedling of Chinese Cabbage, comprises the following steps:
1) chitin raw material is cleaned, is put into and in Bulking tank, carry out pretreatment 0.5h,
2) raw material is added and in citric acid, carries out ultrasonic oscillation 3h,
3) and then by raw material add and in liquor potassic permanganate, stir and be heated to 50 ℃, reaction 3h,
4) raw material is added in nitric acid, reaction 1h, cleans 5 times repeatedly with clear water,
5) put into baking oven and dry, temperature is 80 ℃; Finally with cracker, pulverize, the chitin powder of gained is 80 orders.
6) take by weight chitin powder 6g, urinate dissolving with the ash aqueous solution of 0.1L1mol/L and the people and animals of becoming thoroughly decomposed of 0.1L1mol/L, preparation chitosan content is the chitin organic water-soluble fertilizer of 30 grams per liters, standby;
7) get step 6) the chitin organic water-soluble fertilizer 50% that obtains dilutes 700 times, then the root of Seedling of Chinese Cabbage is dipped in chitin organic water-soluble fertilizer dilution, soaks 0.3h;
8) Seedling of Chinese Cabbage is carried out to organic ecological soilless culture, when seedling grows 5 true leaves, then by step 6) 500 times of 50% dilutions of chitin organic water-soluble fertilizer, root is drenched and is executed, drench once continuous 3 times at interval of 5 days.Chinese cabbage survival rate 98%.
Embodiment 2
A method of taking root with chitin promotion cucumber seedling, comprises the following steps:
1) chitin raw material is cleaned, is put into and in Bulking tank, carry out pretreatment 1.5h,
2) raw material is added and in citric acid, carries out ultrasonic oscillation 4h,
3) and then by raw material add and in liquor potassic permanganate, stir and be heated to 55 ℃, reaction 4h,
4) raw material is added in nitric acid, reaction 1.5h, cleans 6 times repeatedly with clear water,
5) put into baking oven and dry, temperature is 90 ℃; Finally with cracker, pulverize, the chitin powder of gained is 90 orders.
6) take by weight chitin powder 8g, urinate dissolving with the ash aqueous solution of 0.125L1mol/L and the people and animals of becoming thoroughly decomposed of 0.125L1mol/L, preparation chitosan content is the chitin organic water-soluble fertilizer of 32 grams per liters, standby;
7) get step 6) the chitin organic water-soluble fertilizer 50% that obtains dilutes 700 times, then the root of cucumber seedling is dipped in chitin organic water-soluble fertilizer dilution, soaks 0.5h;
8) cucumber seedling is carried out to organic ecological soilless culture, when cucumber leaves grows 4 true leaves, then by step 6) 700 times of 50% dilutions of chitin organic water-soluble fertilizer, root is drenched and is executed, drench once continuous 4 times at interval of 8 days.Cucumber seedling survival rate 99%.
Embodiment 3
A method of taking root by chitin promotion tomato seedling, mainly comprises the following steps:
1) chitin raw material is cleaned, is put into and in Bulking tank, carry out pretreatment 2h,
2) raw material is added and in citric acid, carries out ultrasonic oscillation 5h,
3) and then by raw material add and in liquor potassic permanganate, stir and be heated to 60 ℃, reaction 5h,
4) raw material is added in nitric acid, reaction 2h, cleans 6 times repeatedly with clear water,
5) put into baking oven and dry, temperature is 100 ℃; Finally with cracker, pulverize, the chitin powder of gained is 100 orders.
6) take by weight chitin powder 10g, urinate dissolving with the ash aqueous solution of 0.125L1mol/L and the people and animals of becoming thoroughly decomposed of 0.125L1mol/L, preparation chitosan content is the chitin organic water-soluble fertilizer of 40 grams per liters, standby;
7) get step 6) the chitin organic water-soluble fertilizer 50% that obtains dilutes 800 times, then the root of tomato seedling is dipped in chitin organic water-soluble fertilizer dilution, soaks 1h;
8) tomato seedling is carried out to organic ecological soilless culture, when seedling grows 6 true leaves, then by step 6) 500 times of 50% dilutions of chitin organic water-soluble fertilizer, root is drenched and is executed, drench once continuous 5 times at interval of 9 days.Tomato seedling survival rate 98%.
Claims (10)
1. with chitin, promote the method that green vegetables seedling takes root, it is characterized in that, mainly comprise the following steps:
1) take by weight chitin powder 5-10, the mixed liquor dissolving with the ash aqueous solution with the people and animals' urine becoming thoroughly decomposed, preparation chitosan content is the chitin organic water-soluble fertilizer of 30-40 grams per liter, standby;
2) get step 1) the chitin organic water-soluble fertilizer 50% that obtains dilutes 700-800 doubly, then the root of green vegetables seedling is dipped in chitin organic water-soluble fertilizer dilution, soaks 0.3-1h;
3) green vegetables seedling is carried out to organic ecological soilless culture, when leaf vegetables grows 5-6 sheet true leaf or the melon 2-4 of growing sheet true leaf, then by step 1) chitin organic water-soluble fertilizer 50% dilution 500-700 doubly, root is drenched and is executed, at interval of pouring in 5-9 days once, continuous 2-5 time; Run into rainy weather, can after 3-5 days, again root be drenched and be executed again.
2. method of taking root with chitin promotion green vegetables seedling as claimed in claim 1, it is characterized in that, step 1) the described ash aqueous solution is 1: 1 with the part by weight of the people and animals' urine that becomes thoroughly decomposed, and wherein ash concentration of aqueous solution is 1mol/L, and the concentration of the people and animals of becoming thoroughly decomposed urine is 1mol/L.
3. as claimed in claim 1ly promote the method that green vegetables seedling takes root with chitin, it is characterized in that, described organic ecological soilless culture is using the well-rotted farmyard manure that is mixed with chitin powder as base manure.
4. method of taking root with chitin promotion green vegetables seedling as claimed in claim 1, is characterized in that, the matrix of described ecological organic soilless culture is that effluent sand mixes with wooden chaff at 1: 1.
5. method of taking root with chitin promotion green vegetables seedling as claimed in claim 1, is characterized in that, the extracting method of chitin powder is:
1) chitin raw material is cleaned, is put into and in Bulking tank, carry out pretreatment 0.5-2h,
2) raw material is added and in citric acid, carries out ultrasonic oscillation 3-5h,
3) and then by raw material add in liquor potassic permanganate and stir and be heated to 50-60 ℃, reaction 3-5h,
4) raw material is added in nitric acid, reaction 1-2h, cleans 5-6 time repeatedly with clear water,
5) put into baking oven and dry, temperature is 80-100 ℃; Finally with cracker, pulverize, the chitin powder of gained is 80-100 order.
6. method of taking root with chitin promotion green vegetables seedling as claimed in claim 2, is characterized in that, often carries out all with clear water, chitin raw material being cleaned 5-6 time repeatedly before next step.
7. as claimed in claim 2ly promote the method that green vegetables seedling takes root with chitin, it is characterized in that described step 1) in the pressure of Bulking tank be that 0.3-0.8MPa temperature is 50-70 ℃, the expanded time is 1-2h.
8. as claimed in claim 2ly promote the method that green vegetables seedling takes root with chitin, it is characterized in that described step 2) in the concentration of citric acid be 0.8mol/L, ultrasonic frequency is adjusted to 50-80KHz, the reaction time is 0.5-2h.
9. as claimed in claim 2ly promote the method that green vegetables seedling takes root with chitin, it is characterized in that described step 3) in the concentration of potassium permanganate be 2mol/L, and with the weight ratio of raw material be 2-4: 1.
10. as claimed in claim 2ly promote the method that green vegetables seedling takes root with chitin, it is characterized in that described step 4) in the concentration of nitric acid be 1mol/L, with the weight ratio of raw material be 2-5: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310717642.9A CN103718803B (en) | 2013-12-23 | 2013-12-23 | A kind of chitin promotes the method that vegetable seedling is taken root |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310717642.9A CN103718803B (en) | 2013-12-23 | 2013-12-23 | A kind of chitin promotes the method that vegetable seedling is taken root |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103718803A true CN103718803A (en) | 2014-04-16 |
| CN103718803B CN103718803B (en) | 2015-09-16 |
Family
ID=50443300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310717642.9A Active CN103718803B (en) | 2013-12-23 | 2013-12-23 | A kind of chitin promotes the method that vegetable seedling is taken root |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103718803B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104542082A (en) * | 2014-12-18 | 2015-04-29 | 辽宁省烟草公司朝阳市公司 | Seedling substrate dedicated for tobacco |
| CN105379525A (en) * | 2015-10-27 | 2016-03-09 | 上海宇元生物科技有限公司 | Method for producing solanberry crops by utilizing chitin fertilizer |
| CN105393747A (en) * | 2015-10-27 | 2016-03-16 | 上海宇元生物科技有限公司 | Planting method for chitin cucumber |
| CN105724205A (en) * | 2016-02-04 | 2016-07-06 | 宰童童 | Water planting method for plant |
| CN113387728A (en) * | 2021-04-28 | 2021-09-14 | 陕西汉唐农业标准化研究院有限公司 | Chitin-containing fertilizer special for vegetables and preparation method thereof |
| CN114208652A (en) * | 2021-12-13 | 2022-03-22 | 水生藻安生物科技（武汉）有限公司 | Planting culture device for aquatic plant cultivation, preparation method and application |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1654525A (en) * | 2005-01-20 | 2005-08-17 | 李向群 | Composite chitin and its preparation method and application |
| CN102372793A (en) * | 2010-08-15 | 2012-03-14 | 高支良 | Extraction method of chitin |
| CN102816808A (en) * | 2012-07-17 | 2012-12-12 | 肖丽凤 | Method for preparing chitosan by using shrimp shells |
| JP2013075881A (en) * | 2011-09-30 | 2013-04-25 | Fukui Prefectural Univ | Plant growth promotor and salt tolerance improver |
| CN103283784A (en) * | 2013-06-24 | 2013-09-11 | 合肥多加农业科技有限公司 | Long-acting environment-friendly paddy-rice seed-soaking agent and application method thereof |
-
2013
- 2013-12-23 CN CN201310717642.9A patent/CN103718803B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1654525A (en) * | 2005-01-20 | 2005-08-17 | 李向群 | Composite chitin and its preparation method and application |
| CN102372793A (en) * | 2010-08-15 | 2012-03-14 | 高支良 | Extraction method of chitin |
| JP2013075881A (en) * | 2011-09-30 | 2013-04-25 | Fukui Prefectural Univ | Plant growth promotor and salt tolerance improver |
| CN102816808A (en) * | 2012-07-17 | 2012-12-12 | 肖丽凤 | Method for preparing chitosan by using shrimp shells |
| CN103283784A (en) * | 2013-06-24 | 2013-09-11 | 合肥多加农业科技有限公司 | Long-acting environment-friendly paddy-rice seed-soaking agent and application method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 刘荣国: "正确使用甲壳素促进蔬菜优质高产", 《上海蔬菜》 * |
| 李新胜: "甲壳素在绿色无公害果品蔬菜上的应用", 《中国果菜》 * |
| 苏广宇等: "甲壳素/壳聚糖的研究与应用概况", 《广东农业科学》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104542082A (en) * | 2014-12-18 | 2015-04-29 | 辽宁省烟草公司朝阳市公司 | Seedling substrate dedicated for tobacco |
| CN105379525A (en) * | 2015-10-27 | 2016-03-09 | 上海宇元生物科技有限公司 | Method for producing solanberry crops by utilizing chitin fertilizer |
| CN105393747A (en) * | 2015-10-27 | 2016-03-16 | 上海宇元生物科技有限公司 | Planting method for chitin cucumber |
| CN105724205A (en) * | 2016-02-04 | 2016-07-06 | 宰童童 | Water planting method for plant |
| CN113387728A (en) * | 2021-04-28 | 2021-09-14 | 陕西汉唐农业标准化研究院有限公司 | Chitin-containing fertilizer special for vegetables and preparation method thereof |
| CN114208652A (en) * | 2021-12-13 | 2022-03-22 | 水生藻安生物科技（武汉）有限公司 | Planting culture device for aquatic plant cultivation, preparation method and application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103718803B (en) | 2015-09-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103718803B (en) | A kind of chitin promotes the method that vegetable seedling is taken root | |
| CN102816021B (en) | Special fertilizer for rape base fertilizer | |
| CN105254452A (en) | Fertilizer for fruit trees and production method of fertilizer | |
| CN106472228B (en) | Planting method of selenium-rich camellia oleifera | |
| CN102815998B (en) | Special fertilizer for single cropping rice | |
| CN105036851B (en) | A kind of potato dedicated liquid punching fertilising and preparation method | |
| CN104447008A (en) | Method for preparing liquid seaweed fertilizer | |
| CN105859470A (en) | Insecticidal fertilizer | |
| CN102491798A (en) | Algae organic fertilizer and preparing process thereof | |
| CN104086290A (en) | Synergist for chemical fertilizer | |
| CN104150988B (en) | A kind of preparation method of chitin fertilizer | |
| CN103772044B (en) | A kind of nano-sized carbon compoiste fertilizer | |
| CN104099101A (en) | Improvement method of saline alkali soil in North China areas | |
| CN102515952A (en) | Chitosan coated alga bioorganic fertilizer and preparation method thereof | |
| CN104529632A (en) | Liquid fertilizer for drip irrigation for saline and alkaline inland, and preparation method of liquid fertilizer | |
| CN103044148A (en) | Liquid fertilizer containing chitosan and urea | |
| CN104725140A (en) | Amino acid fertilizer synergist with ammonia volatilization inhibiting effect and manufacture method thereof | |
| CN109851449A (en) | A kind of activated carbon biological organic fertilizer and preparation method thereof | |
| CN108085017A (en) | A kind of salt-soda soil soil conditioner and preparation method thereof | |
| CN112898076A (en) | Traditional Chinese medicine bacterial manure produced by utilizing traditional Chinese medicine waste residues and preparation method thereof | |
| CN105284312A (en) | Strawberry seedling method | |
| CN103271096B (en) | A kind of root-growing agent of the disease-resistant growth-promoting functions of tool for the transplanting of tobacco crop | |
| CN107955622A (en) | A kind of alkaline land improving organic conditioner and its method for improveing salt-soda soil | |
| CN107787751A (en) | The Wampee tree implantation methods of high yield and high-quality | |
| CN104496655A (en) | Water-retaining and fertilizer-retaining planting soil and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |