CN102153409A - Pickle prolonged-effect-time compound fertilizer and preparation method thereof - Google Patents

Pickle prolonged-effect-time compound fertilizer and preparation method thereof Download PDF

Info

Publication number
CN102153409A
CN102153409A CN 201110062037 CN201110062037A CN102153409A CN 102153409 A CN102153409 A CN 102153409A CN 201110062037 CN201110062037 CN 201110062037 CN 201110062037 A CN201110062037 A CN 201110062037A CN 102153409 A CN102153409 A CN 102153409A
Authority
CN
Grant status
Application
Patent type
Prior art keywords
fertilizer
mustard
pickle
effect
urea
Prior art date
Application number
CN 201110062037
Other languages
Chinese (zh)
Inventor
李昌满
Original Assignee
长江师范学院
Priority date (The priority date 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 date listed.)
Filing date
Publication date

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture
    • Y02P60/21N2O
    • Y02P60/218N2O use of additives, e.g. nitrification inhibitors, biochar

Abstract

The invention discloses a pickle prolonged-effect-time compound fertilizer and a preparation method thereof. The pickle prolonged-effect-time compound fertilizer includes nitrogen fertilizer, phosphate fertilizer, potash fertilizer, urease inhibitor, nitrification inhibitor and fertilizer synergist, wherein the total mass fraction of the nitrogen fertilizer, the phosphate fertilizer and the potash fertilizer is not lower than 96%; the preparation method of the pickle prolonged-effect-time compound fertilizer includes the steps as follows: smashing urea to powder so as to btain urea powder; adding water for fully dissolving borax, thiourea, dicyandiamide and polyaspartic acid to obtain a mixed solution; spraying all the mixed solution into the urea powder and then mixing with calcium superphosphate and potassium chloride to obtain a mixture; adding a binder; and granulating the mixture and then drying so as to obtain products. The pickle prolonged-effect-time compound fertilizer has high utilization rate, long fertilizer effect time, using safety and lower relative cost, can meet primary fertilizer application of the pickle, and can obviously reduce the convent of nitrate in the pickle.

Description

榨菜长效复合肥及其制备方法 Mustard Fertilizer to its preparation method

技术领域 FIELD

[0001] 本发明涉及一种榨菜长效复合肥,特别是涉及一种可以实现一次性施肥且可降低榨菜硝酸盐含量的榨菜长效复合肥及其制备方法。 [0001] The present invention relates to a long-acting fertilizer mustard, particularly to a disposable Fertilization can be realized and the nitrate content of mustard and mustard preparation Fertilizer to be reduced.

背景技术 Background technique

[0002] 目前,长效复合肥是通过包膜技术或者在普通复合肥中添加控释剂生产的复合肥,其优点是肥效期长,养分利用率高;其缺点是包膜技术生产工艺复杂,残留大,实际应用少。 [0002] Currently, long-acting fertilizer coated by a controlled release fertilizer technology or agent is added in the production of fertilizer in general, the advantage of long fertilizer of high nutrient utilization; envelope technology the drawback is a complex production process remaining, less practical applications. 另一方面,添加控释剂不改变复合肥生产工艺,控释效果好,能一次基施,研究与应用相对较多,但目前的控释复合肥存在几个问题,一是生产成本高,如用正丁基硫代磷酰三胺生产的复合肥,价格是尿素几倍,大面推广应用困难;二是毒副作用大,比如氢醌,人畜食用5 g,即可致死,不宜使用;三是不同作物吸肥规律不同,不同地域土壤特性有差异,一种控释肥不能做到适合所有作物、所有地区使用。 On the other hand, add fertilizer controlled release formulation does not change the production process, a good release effect, to a basal application, research and application of relatively large, but there are several problems currently controlled-release fertilizer, First, high production costs, as with n-butylthio triamide fertilizer production, the price is several times urea, Omo application difficult; Second toxic side effects, such as hydroquinone, human and animal food 5 g, can be fatal, should not be used; Third, different crops in different absorption of fat law, different regional differences in soil characteristics, can not do a controlled release fertilizer for all crops, all regions.

[0003] 因此,一种可以实现一次性施肥且可降低榨菜硝酸盐含量的榨菜长效复合肥应运而生。 [0003] Thus, one can achieve fertilization disposable mustard and can reduce the nitrate content of long-acting fertilizer mustard emerged.

发明内容 SUMMARY

[0004] 有鉴于此,本发明的目的之一在于提供一种榨菜长效复合肥,在氮肥、磷肥和钾肥的基础上选用价格低廉、安全无毒副作用的脲酶抑制剂、硝化抑制剂和肥料增效剂,从而达到提高肥料利用率,实现榨菜一次性施肥,并提高榨菜品质的目的;所述榨菜长效复合肥, 包括氮肥、磷肥、钾肥、脲酶抑制剂、硝化抑制剂和肥料增效剂;其中,氮肥、磷肥和钾肥的总质量分数不低于96%。 [0004] It is therefore one object of the present invention is to provide a long-acting fertilizer mustard, selection of inexpensive, safe and no toxic side effect of urease inhibitors, nitrification inhibitors and fertilizers based on nitrogen, phosphorus and potassium from the builders, so as to improve the utilization of the fertilizer, achieve time fertilization mustard, mustard and enhance the quality of objects; fertilizer to the mustard, including nitrogen, phosphorus, potassium, urease inhibitors, nitrification inhibitor and fertilizer efficiency agent; wherein the total content of nitrogen, phosphorus and potassium is no less than 96%.

[0005] 进一步,所述脲酶抑制剂为硼砂和/或硫脲,脲酶抑制剂在复合肥中的质量分数为0. 11%〜0· 78% ; [0005] Further, the urease inhibitor is borax and / or thiourea, an urease inhibitor compound fertilizer mass fraction of 0.11% ~ 0 · 78%;

进一步,所述硝化抑制剂包括双氰胺和/或硫脲,硝化抑制剂在复合肥中的质量分数为0. 13%〜0· 36% ; Further, the nitrification inhibitors include dicyandiamide and / or thiourea, nitrification inhibitors in fertilizer mass fraction of 0.13% ~ 0 · 36%;

进一步,所述肥料增效剂包括聚天冬氨酸,肥料增效剂在复合肥中的质量分数为0. 04%〜0· 12% ; Further, said fertilizer comprising polyaspartate synergist, fertilizer in the fertilizer synergist content is from 0.04% ~ 0 · 12%;

进一步,所述氮肥、磷肥、钾肥中N、P、K元素的重量比为1 :(0. 4〜0· 6) :(0. 8〜1. 2); 进一步,N元素来自于尿素、P元素来自于过磷酸钙,K元素来自于氯化钾。 Further, the nitrogen, phosphorus by weight, potassium in N, P, K elements is 1: (4~0 0 · 6): (0 2 8~1.); Further, N elements from urea, SSP elements from P, K elements from potassium chloride.

[0006] 所述榨菜长效复合肥中的硼砂是有效的脲酶抑制剂,能减缓尿素水解为铵态氮, 同时将作为微量肥料逐渐被作物吸收;硫脲既是一种弱脲酶抑制剂,也是良好的硝化抑制剂;双氰胺是一种良好的硝化抑制剂,主要控制铵态氮向硝态氮转化,同时能阻止硝态氮反硝化作用损失;聚天冬氨酸是良好的肥料增效剂,能强化作物对氮磷钾以及微量元素的吸收,促进作物生长;硫脲、双氰胺和聚天冬氨酸在土壤中逐渐被生物降解,以铵态氮形式被作物吸收。 [0006] Mustard Fertilizer to in the borax is effective urease inhibitors can slow down the hydrolysis of urea ammonium nitrogen while gradually absorbed as a minor crop fertilizer; thiourea both a weak urease inhibitor, but also good nitrification inhibitor; dicyandiamide is a good nitrification inhibitors, conversion to the primary control ammonium nitrate, and can prevent the loss of nitrate and denitrification; polyaspartic acid by a good fertilizer agonists, can strengthen the absorption of NPK crop and trace elements, promote crop growth; thiourea, dicyandiamide, and polyaspartic acid gradually biodegraded in the soil, in the form of ammonium nitrogen to be absorbed by crops.

[0007] 所述榨菜长效复合肥养分利用率高、肥效期长、使用安全、相对成本较低,能满足榨菜一次性施肥,且可明显降低榨菜硝酸盐含量。 [0007] Mustard Fertilizer to the high nutrient utilization of fertilizer long, safe, relatively low cost, to meet the time Fertilization mustard, mustard and may significantly reduce the nitrate content.

[0008] 本发明的目的之二在于提供所述榨菜长效复合肥的制备方法,可以通过以下步骤达到: [0008] wherein two of the object of the present invention provides a method for preparing mustard Fertilizer to be achieved by the following steps:

101 :将尿素粉碎成至粉末状,得尿素粉; 101: urea pulverized into a powder to give urea powder;

102 :加水使硼砂、硫脲、双氰胺和聚天冬氨酸全部溶解,得混合液,将所述混合液全部喷入所述尿素粉后与过磷酸钙和氯化钾混合,得混合物; 102: borax adding water, thiourea, dicyandiamide, and polyaspartic acid completely dissolved, a mixed solution, the mixture is injected into all of the urea and the potassium chloride powder mixed with calcium phosphate, to give a mixture of ;

103 :加入粘结剂,对所述混合物造粒后包膜,最后烘干,得产物。 103: binder was added, the mixture is granulated after envelope, and finally dried to give the product.

[0009] 进一步,所述粘结剂为白膳泥土,粘结剂在复合肥中的质量分数为4. 09Γ4. 5%。 [0009] Further, the binder is a white clay meal, the binder content of the fertilizer is 4. 09Γ4. 5%.

[0010] 所述制备方法的工艺简单,易于推广。 [0010] The process for the preparation process is simple, easy to spread.

[0011] [0011]

具体实施方式 detailed description

[0012] 所述榨菜长效复合肥,包括氮肥、磷肥、钾肥、脲酶抑制剂、硝化抑制剂和肥料增效剂;其中,氮肥、磷肥和钾肥的总质量分数不低于96%。 The [0012] Fertilizer to mustard, including nitrogen, phosphorus, potassium, urease inhibitors, nitrification inhibitor synergists and fertilizers; wherein the total content of nitrogen, phosphorus and potassium is no less than 96%.

[0013] 制备方法的实验步骤: [0013] Experimental Procedures Preparation of:

101 :常温下,将尿素粉碎成至粉末状,得尿素粉; 101: room temperature, urea pulverized into powder to obtain urea powder;

102 :常温下,加水使硼砂、硫脲、双氰胺和聚天冬氨酸全部溶解,得混合液,将所述混合液全部喷入所述尿素粉后与过磷酸钙和氯化钾混合,得混合物; 102: At room temperature, add water, borax, thiourea, dicyandiamide, and polyaspartic acid completely dissolved, a mixed solution, mixed with superphosphate and potassium chloride to the mixture after all of the urea is sprayed into the powder to obtain a mixture;

103 :加入粘结剂,对所述混合物造粒后包膜,最后烘干,得产物。 103: binder was added, the mixture is granulated after envelope, and finally dried to give the product.

[0014] 进一步,所述粘结剂为白膳泥土,粘结剂在复合肥中的质量分数为4. 09Γ4. 5%。 [0014] Further, the binder is a white clay meal, the binder content of the fertilizer is 4. 09Γ4. 5%.

[0015] 实施例1 [0015] Example 1

所述榨菜长效复合肥配方取下表: 表1实施例1配方(按重量份数) The mustard Fertilizer to remove the formula: Table 1 Example 1 Formulation (parts by weight)

Figure CN102153409AD00041

实施例2 所述榨菜长效复合肥配方取下表: 表2实施例2配方(按重量份数) Example 2 Formulation mustard Fertilizer to remove the test embodiment: TABLE 2 Example 2 Formulation (parts by weight)

Figure CN102153409AD00042
Figure CN102153409AD00051

实施例3 所述榨菜长效复合肥配方取下表: 表3实施例3配方(按重量份数) Example 3 mustard Fertilizer to remove the test formulation Embodiment: Table 3 Example 3 Formulation (parts by weight)

Figure CN102153409AD00052

实施例4 所述榨菜长效复合肥配方取下表: 表4实施例4配方(按重量份数) Example 4 Formulation mustard Fertilizer to remove the test embodiment: TABLE 4 Example Formulation (parts by weight) 4

Figure CN102153409AD00053

实施例5 所述榨菜长效复合肥配方取下表: 表5实施例5配方(按重量份数) Mustard Fertilizer to Formulation Example 5 to remove the test: Table 5 Example 5 Formulation (parts by weight)

Figure CN102153409AD00054

取实施例广5所述榨菜长效复合肥,于2007〜2009年三年,用榨菜杂交一代种“涪杂2 号”,在涪陵区三个不同乡镇试验,三年试验试验田产量及硝酸盐含量的平均值如下。 Example 5 Take the wide Fertilizer to mustard at 2007 to 2009 years, hybrid generation with mustard seed "Fuza 2", three different towns Fuling test, three test plots yield and Nitrate the average value of the content is as follows. [0016] 表1试验产量(单位:kg/hm2) [0016] Table 1 Run Yield (unit: kg / hm2)

Figure CN102153409AD00055

瘤茎硝酸盐含量采用紫外分光光度法测定,实验数据见下表: 表2硝酸盐检测(单位:mg/kg) Tumor Stem nitrate content by UV spectrophotometry, experimental data as follows: Table 2 Detection nitrate (Unit: mg / kg)

Figure CN102153409AD00061

本发明所述的榨菜复合肥,在对茎瘤芥杂交一代种“涪杂2号”实施后,产量提高,明显高于常规施肥;硝酸盐含量小,明显低于常规肥料。 Mustard compound fertilizer according to the present invention, after the stem of the hybrid generation mustard seed "Fuza 2" embodiment, the yield increase was significantly higher than conventional fertilization; small nitrate content, significantly lower than conventional fertilizers. 从表1和表2数据可以看出,实施例3榨菜长效复合肥的效果最好,小区试验产量为40404 kg/hm2,大区试验产量为40188 kg/hm2 ;小区试验硝酸盐含量仅仅为1052.96 mg/kg,大区试验硝酸盐也仅为1140.49 mg/ kg。 As can be seen from the data in Table 2 and Table 1, Example 3 long-acting fertilizer mustard embodiment best results, test cell yield was 40404 kg / hm2, yield test region of 40188 kg / hm2; nitrate test cell content is merely 1052.96 mg / kg, the test region is only nitrate 1140.49 mg / kg. 实施例1、2、4和5,与常规肥料相比,试验产量较高、硝酸盐含量与较低,实验数据显示了所述榨菜复合肥优异的性能,有望在以后的中开发应用。 Examples 1, 2 and 5, as compared to conventional fertilizers on the yield higher, the low nitrate content, the experimental data show the excellent performance mustard fertilizer, the development and application in future is expected.

Claims (8)

  1. 1. 一种榨菜长效复合肥,其特征在于:包括氮肥、磷肥、钾肥、脲酶抑制剂、硝化抑制剂和肥料增效剂;其中,氮肥、磷肥和钾肥的总质量分数不低于96%。 A long-term fertilizer mustard, characterized by: comprising nitrogen, phosphate, potash, urease inhibitors, nitrification inhibitor synergists and fertilizers; wherein the total content of nitrogen, phosphorus and potassium is no less than 96% .
  2. 2.根据权利要求1所述的榨菜长效复合肥,其特征在于:所述脲酶抑制剂为硼砂和/ 或硫脲,脲酶抑制剂在复合肥中的质量分数为0. 119Γ0. 78%。 2. Long mustard said fertilizer according to claim 1, wherein: said urease inhibitor is borax and / or thiourea, urease inhibitors in fertilizer content in the range 0. 119Γ0 78%..
  3. 3.根据权利要求1或2所述的榨菜长效复合肥,其特征在于:所述硝化抑制剂包括双氰胺和/或硫脲,硝化抑制剂在复合肥中的质量分数为0. 139ΓΟ. 36%。 Mustard depot according to claim 1 or claim 2, wherein the fertilizer, which is characterized in that: said nitrification inhibitors include dicyandiamide and / or thiourea, nitrification inhibitors in fertilizer content in the range 0. 139ΓΟ 36%.
  4. 4.根据权利要求3所述的榨菜长效复合肥,其特征在于:所述肥料增效剂包括聚天冬氨酸,肥料增效剂在复合肥中的质量分数为0. 049Γ0. 12%。 Mustard depot according to claim 3, wherein the fertilizer, which is characterized in that: said fertilizer synergist comprises a polyaspartate, compound fertilizer in the fertilizer synergist content is from 0. 049Γ0 12%. .
  5. 5.根据权利要求4所述的榨菜长效复合肥,其特征在于:所述氮肥、磷肥、钾肥中N、P、 K元素的重量比为1 : (0. 4〜0· 6) : (0. 8〜1. 2)。 The mustard depot according to claim 4, wherein the fertilizer, which is characterized in that: said nitrogen, phosphate, potash in the N, P, K in a weight ratio of 1: (4~0 0. 1.6): ( 0. 8~1. 2).
  6. 6.根据权利要求5所述的榨菜长效复合肥,其特征在于:N元素来自于尿素、P元素来自于过磷酸钙,K元素来自于氯化钾。 6. Long mustard according to claim 5, wherein the fertilizer, which is characterized in that: N elements from urea, P elements from the SSP, K elements from potassium chloride.
  7. 7.权利要求1至6所述的榨菜长效复合肥的制备方法,其特征在于:101 :将尿素粉碎成至粉末状,得尿素粉;102 :加水使硼砂、硫脲、双氰胺和聚天冬氨酸全部溶解,得混合液,将所述混合液全部喷入所述尿素粉后与过磷酸钙和氯化钾混合,得混合物;103 :加入粘结剂,对所述混合物造粒后包膜,最后烘干,得产物。 Mustard depot 16 according to fertilizer production method of claim 1, wherein: 101: urea pulverized into a powder to give a urea powder; 102: borax addition of water, thiourea, dicyandiamide, and polyaspartic acid completely dissolved, a mixed solution, after all of the mixed solution of urea sprayed into the mixing powder with superphosphate and potassium chloride, to obtain a mixture; 103: binder was added, the mixture is made of after the virion envelope, and finally dried to give the product.
  8. 8.根据权利要求7所述的粘结剂,其特征在于:所述粘结剂为白膳泥土,粘结剂在复合肥中的质量分数为4. 09Γ4. 5%。 8. The binder according to claim 7, wherein: the binder is a white clay meal, the binder content of the fertilizer is 4. 09Γ4 5%..
CN 201110062037 2011-03-15 2011-03-15 Pickle prolonged-effect-time compound fertilizer and preparation method thereof CN102153409A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110062037 CN102153409A (en) 2011-03-15 2011-03-15 Pickle prolonged-effect-time compound fertilizer and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110062037 CN102153409A (en) 2011-03-15 2011-03-15 Pickle prolonged-effect-time compound fertilizer and preparation method thereof

Publications (1)

Publication Number Publication Date
CN102153409A true true CN102153409A (en) 2011-08-17

Family

ID=44435136

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201110062037 CN102153409A (en) 2011-03-15 2011-03-15 Pickle prolonged-effect-time compound fertilizer and preparation method thereof

Country Status (1)

Country Link
CN (1) CN102153409A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102432402A (en) * 2011-09-20 2012-05-02 深圳市喜耕田生物科技股份有限公司 Adding method for inhibitor in stable fertilizer
CN102491829A (en) * 2011-11-15 2012-06-13 湖南大方农化有限公司 Nitrogen fertilizer synergist composition
CN102584392A (en) * 2012-01-18 2012-07-18 九禾股份有限公司 Manihot esculenta Crantz compound fertilizer and preparation method thereof
CN102603432A (en) * 2012-04-19 2012-07-25 广西新方向化学工业有限公司 Nitrogen fertilizer slow release synergist
CN102850131A (en) * 2012-09-24 2013-01-02 株洲市农业科学研究所、株洲市三生肥业有限公司 Multifunctional slow-release/controlled-release fertilizer synergist and production technique of synergist
CN103011950A (en) * 2012-11-29 2013-04-03 安徽中农大丰化肥有限公司 Lost control nano-composite fertilizer and preparation method thereof
CN103183566A (en) * 2013-03-29 2013-07-03 烟台斯维德生物技术有限公司 Preparation method of environmental-friendly fertilizer
CN103254013A (en) * 2013-05-24 2013-08-21 江苏省农业科学院 Mulberry special fertilizer based on Jiangsu coastal saline-soil planting and application of fertilizer
CN104973982A (en) * 2015-07-29 2015-10-14 长江师范学院 Special compound fertilizer for tuber mustard and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101121615A (en) * 2006-08-10 2008-02-13 河北天人化工股份有限公司 Disposable corn composite fertilizer and producing technique thereof
CN101768028A (en) * 2010-02-08 2010-07-07 高泉源 Polypeptide chelated compound fertilizer containing medium and trace elements
CN101921149A (en) * 2010-08-24 2010-12-22 中盐安徽红四方股份有限公司 Filler-free synergistic compound fertilizer produced by urine syrup ammonia-acid method and production method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101121615A (en) * 2006-08-10 2008-02-13 河北天人化工股份有限公司 Disposable corn composite fertilizer and producing technique thereof
CN101768028A (en) * 2010-02-08 2010-07-07 高泉源 Polypeptide chelated compound fertilizer containing medium and trace elements
CN101921149A (en) * 2010-08-24 2010-12-22 中盐安徽红四方股份有限公司 Filler-free synergistic compound fertilizer produced by urine syrup ammonia-acid method and production method thereof

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
张召荣等: "氮磷钾肥对茎瘤芥产量和硝酸盐的影响", 《西南农业学报》 *
李昌满,张燕: "杂交茎瘤芥需肥规律研究", 《长江蔬菜》 *
李昌满等: "混合尿素缓释剂在茎瘤芥栽培上的应用效果", 《长江蔬菜》 *

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102432402A (en) * 2011-09-20 2012-05-02 深圳市喜耕田生物科技股份有限公司 Adding method for inhibitor in stable fertilizer
CN102491829A (en) * 2011-11-15 2012-06-13 湖南大方农化有限公司 Nitrogen fertilizer synergist composition
CN102491829B (en) 2011-11-15 2013-11-06 湖南大方农化有限公司 Nitrogen fertilizer synergist composition
CN102584392A (en) * 2012-01-18 2012-07-18 九禾股份有限公司 Manihot esculenta Crantz compound fertilizer and preparation method thereof
CN102603432A (en) * 2012-04-19 2012-07-25 广西新方向化学工业有限公司 Nitrogen fertilizer slow release synergist
CN102850131A (en) * 2012-09-24 2013-01-02 株洲市农业科学研究所、株洲市三生肥业有限公司 Multifunctional slow-release/controlled-release fertilizer synergist and production technique of synergist
CN103011950A (en) * 2012-11-29 2013-04-03 安徽中农大丰化肥有限公司 Lost control nano-composite fertilizer and preparation method thereof
CN103011950B (en) * 2012-11-29 2015-02-18 安徽中农大丰化肥有限公司 Lost control nano-composite fertilizer and preparation method thereof
CN103183566A (en) * 2013-03-29 2013-07-03 烟台斯维德生物技术有限公司 Preparation method of environmental-friendly fertilizer
CN103254013A (en) * 2013-05-24 2013-08-21 江苏省农业科学院 Mulberry special fertilizer based on Jiangsu coastal saline-soil planting and application of fertilizer
CN104973982A (en) * 2015-07-29 2015-10-14 长江师范学院 Special compound fertilizer for tuber mustard and preparation method thereof
CN104973982B (en) * 2015-07-29 2017-12-08 长江师范学院 Mustard compound fertilizer

Similar Documents

Publication Publication Date Title
CN101696129A (en) Method for producing amino acid organic-inorganic compound fertilizer by using Chinese medicament dregs
CN1482110A (en) Nourishing liquid fertilizer for plant and method for preparing the same
CN101759505A (en) Special organic and inorganic compound fertilizer for lawn and preparation method thereof
CN102584477A (en) Slowly-releasing water conservation biological organic and inorganic compound fertilizer particles and production method thereof
CN101781134A (en) Tower-smelt organic-inorganic compound fertilizer and preparation method thereof
CN102515959A (en) Water-soluble polymer synergist used for fertilizers, its preparation method and application
CN102515968A (en) Multifunctional synergistic nitrogen fertilizer and preparation method thereof
CN101905991A (en) Long-acting slow-release potato special fertilizer and preparation method thereof
CN1629106A (en) Quick dissolving fertilizer containing nitro ammonium humate and method for preparing same
CN103351222A (en) Preparation process for urea formaldehyde slow-release and controlled-release compound fertilizer
CN102503724A (en) Humic acid full-nutrition type fertilizer special for peanuts and preparing method thereof
CN102320890A (en) Multifunctional special fertilizer for seed production corn
CN101898912A (en) Compound fertilizer dedicated for trickle irrigation of greenhouse tomato
CN101973823A (en) Special biological organic fertilizer for oil-tea camellia and production method thereof
CN102442854A (en) Special fertilizer for peanut
CN1990431A (en) Slow release long-acting inorganic complex blending fertilizer
CN102153416A (en) Special root-inducing slow release high-efficiency fertilizer for double cropping rice and preparation method thereof
CN101215205A (en) Synergistic foliage fertilizer and application method thereof
CN102550349A (en) Method for cultivating organic selenium-enriched rice
CN101333131A (en) Double chelate compound fertilizer
CN101293792A (en) Fertilizer special for organic, inorganic mix wheat
CN102633579A (en) Special water-soluble fertilizer for corn at drought region
CN101580444A (en) Coated slow-release urea containing double inhibitors and preparation method thereof
CN1733655A (en) Synergistic urea and its preparation method and uses
CN102659456A (en) Amino-acid organic compound fertilizer and production method thereof

Legal Events

Date Code Title Description
C06 Publication
C10 Entry into substantive examination
C12 Rejection of a patent application after its publication