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Rhizosphere acid fertilizer and preparation method thereof

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CN104262057A
CN104262057A CN 201410516076 CN201410516076A CN104262057A CN 104262057 A CN104262057 A CN 104262057A CN 201410516076 CN201410516076 CN 201410516076 CN 201410516076 A CN201410516076 A CN 201410516076A CN 104262057 A CN104262057 A CN 104262057A
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fertilizer
parts
irrigation
materials
drip
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CN 201410516076
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Chinese (zh)
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CN104262057B (en )
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危常州
赵红华
雷咏雯
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石河子大学
石河子开发区石大奥普莱科技有限责任公司
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    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05BPHOSPHATIC FERTILISERS
    • C05B15/00Organic phosphatic fertilisers
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G3/00Mixtures of one or more fertilisers with materials not having a specially fertilising activity
    • C05G3/04Mixtures of one or more fertilisers with materials not having a specially fertilising activity with soil conditioners

Abstract

The invention relates to a rhizosphere acid fertilizer for drip irrigation, which makes use of an existing drip irrigation technology and is applicable to calcareous-alkaline soil, and a preparation method thereof. The rhizosphere acid fertilizer comprises the following raw materials in parts by weight: 20-28 parts of ammonium sulfate and 3,4-dimethylpyrazole phosphate (DMPP), wherein a ratio of ammonium sulfate to DMPP is 471.4: 1; 48-55 parts of urea phosphate; 15-20 parts of potassium chloride; and 2-5 parts of zinc sulfate heptahydrate. The preparation method comprises the following steps: separately grinding the above raw materials in proportion and sieving by using a 45-50-mesh sieve; uniformly mixing the sieved raw materials and grinding the materials for the second time, and sieving for the second time by using a 70-80-mesh sieve. The fertilizer disclosed by the invention is applicable to calcareous-alkaline soil, and is economical and practical; the fertilizer, under a drip irrigation condition, can locally acidifying rhizosphere soil, and can prevent a drip irrigation system from being blocked, improve a fertilizer utilization rate, particularly improve utilization rate of nitrogen phosphorus fertilizer and enhance crop output and quality.

Description

-种滴灌根际酸性肥料及其制备方法 - drip irrigation Rhizosphere acid fertilizer and preparation method

技术领域 FIELD

[0001] 本发明涉及一种水溶性服料,尤其是一种利用现有滴灌技术并适用于石灰性-碱性±壤的滴灌根际酸性服料及其制备方法。 [0001] The present invention relates to a water-soluble clothing materials, especially utilizing the prior art and is suitable for drip irrigation calcareous - drip Rhizosphere acidic clothing materials and preparation method of alkali ± soil.

背景技术 Background technique

[0002] 石灰性±壤是我国广泛分布的一种地带性±壤,其典型特征是含有较高含量的游离碳酸巧(CaC〇3含量5 %〜30 % ),因而±壤呈现碱性(pH = 7. 5〜8. 5),且具有强烈缓冲性。 [0002] is a calcareous soil zonal ± ± widely distributed of soil, which is typically characterized by clever free carbonic acid containing higher levels (~ 30% CaC〇3 content of 5%), thus rendering alkaline soil ± ( pH = 7. 5~8. 5), and having Qiang Lie cushioning property. 在该类±壤上,作物需要的部分营养如磯、锋、铁的有效性不足,容易造成作物缺素而影响产量的提高。 ± on the type of soil, crop nutritional needs as part Angeles, lack of effectiveness of front, iron, likely to cause crop nutrient deficiency affecting the increased production. 而通过施服施入±壤的磯服、锋服、铁服等容易在碱性条件下形成沉淀而成为无效态,难W被作物吸收利用。 Applying the application server through the rocky soil ± clothes, clothes front, like clothes iron readily under basic conditions to form a precipitate and become invalid state, difficult to use W absorbed by crops.

[0003] 提高该类±壤养分有效性的一种途径是酸化±壤,前人研究证明,此类±壤上施入酸化剂如硫酸,可W提高±壤中养分的有效性,改善作物营养状况。 [0003] Such soil nutrient ± a way to improve the effectiveness of ± soil acidification, previous studies have shown that on applying the acidifying agent such as sulfuric ± soil, can improve the effectiveness of ± W nutrients in soil, crop improvement nutritional status. 但由于其具有较强的缓冲性,酸化作用持续时间较短,所需酸性物质的量大、成本高,难W在生产实践中应用。 However, because of its strong cushioning property, acidification short duration, the desired amount of the acidic substance, expensive, difficult to apply in production practice W.

发明内容 SUMMARY

[0004] 本发明的目的在于提供一种方便实用,可降低生产成本,适用于石灰性-碱性± 壤,针对碱性±壤上磯和部分微量元素易被固定,服料利用率低;中性或弱酸性滴灌服易与水中的巧离子形成沉淀而堵塞滴头等问题,提供了一种在滴灌条件下局部、根际酸化±壤, 防止灌觀系统堵塞,提高服料利用率尤其是氮磯服利用率,增加作物产量和品质的滴灌根际酸性服料,另外提供制备简单、经济实用的所述滴灌根际酸性服料的制备方法。 [0004] The object of the present invention is to provide a convenient and practical, to reduce production costs, suitable for calcareous - ± alkaline soil, for easily fixing the basic soil ± Angeles and trace elements, low utilization rate clothing materials; in drip or weakly acidic to form a precipitate and easy to service coincidence ionized water dripper clogging problems, there is provided a drip irrigation under local, rhizosphere acidification ± soil, irrigation to prevent clogging of the system concept, to improve the utilization of clothing materials, especially nitrogen Rocky service utilization, increasing crop yield and quality of clothing materials drip acidic rhizosphere, further provides methods of making simple, economical and practical method of preparing the acidic rhizosphere drip clothing material.

[0005] 本发明公开了一种滴灌根际酸性服料,主要包括W下W重量份计的原料;硫酸馈与3, 4-二甲基化哇磯酸盐(DMP巧合计:20〜28份,其中硫酸馈;DMPP = 471. 4:1 ;磯酸脈48〜55份;氯化钟15〜20份;走水硫酸锋2〜5份。 [0005] The present invention discloses a drip irrigation acidic rhizosphere clothing materials, including the material W W parts by weight; the feed sulfuric acid and 3, 4-dimethylaminopyridine salt of wow Angeles (DMP Qiao Total: 20~28 parts, wherein the sulfuric acid feed; DMPP = 471. 4: 1; Rocky acid veins 48~55 parts; 15 ~ 20 parts by clock chloride; 2 ~ 5 parts water to go front sulfate.

[0006] 作为最佳实施方式,所述的按照重量份计的W下原料组成;硫酸馈及DMPP合计26 份,磯酸脈55份,氯化钟15份,走水硫酸锋4份。 [0006] As a preferred embodiment, the material according to the composition of W parts by weight; the total feed sulfuric acid and 26 parts of DMPP, Rocky pulse acid 55 parts, 15 parts clock chloride, sulfate 4 parts of front walk. W上原料组成中,其中有效营养成份含N : 15. 2%, 口2〇5 ;24. 7%,馬0 ;9. 4%,Zn ;0. 91%。 W in the raw material composition, wherein the active-containing nutrients N: 15. 2%, port 2〇5; 247% horse 0; 9 4%, Zn; 0 91%....

[0007] 所述的滴灌根际酸性服料的制备方法,其特征在于W重量份计,主要原料分别为: 硫酸馈20〜28份,磯酸脈48〜55份,氯化钟15〜20份,走水硫酸锋2〜5份,3, 4-二甲基化哇磯酸盐(DMP巧0. 04〜0. 06份;作为最佳实施方式,所述的按照重量份计的W下原料组成;硫酸馈及DMPP合计26份,磯酸脈55份,氯化钟15份,走水硫酸锋4份。 [0007] The method for preparing acidic rhizosphere drip clothing materials, characterized in that the parts by weight of W, the main raw materials are: sulfuric acid feed parts of 20~28, 48~55 parts by pulse Rocky acid, 15 ~ 20 bell chloride parts, take front sulfate 2 ~ 5 parts, 3, 4-dimethylaminopyridine salt of wow Angeles (DMP Qiao 0. 04~0 06 parts; as the preferred embodiment, according to the parts by weight W the feed composition; DMPP total feed sulfuric acid and 26 parts, 55 parts by pulse Rocky acid, 15 parts clock chloride, sulfate 4 parts of front walk.

[0008] 将上述配比的原料各自粉碎后过筛,过筛目数为45〜50目;再将过筛后的原料混匀后二次粉碎,并二次过筛即可,所述二次过筛目数为70〜80目。 [0008] The proportions of the above respective material sieved after grinding, sieving mesh is 45~50 mesh; after the raw material is pulverized and then sieved secondary mixing, and sieved to the second, the two time is 70~80 mesh sieve mesh.

[0009] 与现有技术相比,本发明的优点: [0009] Compared with the prior art, the advantages of the present invention:

[0010] 本发明专利申请是针对碱性±壤上磯和部分微量元素易被固定,服料利用率低; 中性或弱酸性滴灌服易与水中的巧离子形成沉淀而堵塞滴头等问题,提供一种经济实用的滴灌根际酸性服料及其制备方法。 [0010] The present patent application for the invention is easily fixed basic ± soil and some trace elements Angeles, utilization rate clothing materials; drip neutral or weakly acidic to form a precipitate and easy to service coincidence ionized water dripper clogging problems, to provide an economical and practical drip acidic rhizosphere clothing materials and preparation method thereof.

[0011] 滴灌是一种实现±壤局部灌觀的节水灌觀技术,具有小灌量、高频次、近根灌觀的特点。 [0011] a drip irrigation to achieve local soil ± View View saving irrigation technology, with a small amount of irrigation, high frequency, nearly drench View features. 本发明即借助滴灌的上述特点,将酸化剂配制成服料,通过滴灌少量、多次、近根、局部地投入±壤,实现酸化持续时间较长,酸化剂用量较少,降低±壤对服料的固定,局部地提高±壤养分的有效性,达到改善作物营养,提高服料利用率和±壤养分利用率,增产增效的目的。 With the above features of the present invention, i.e., drip, acidifying agent formulated as clothing materials, by a small amount of drip, multiple, near the root, ± partially into soil, acidified to achieve longer duration, less the amount of acidifying agent, reducing the soil to ± clothing materials is fixed locally increase the effectiveness ± soil nutrients, to improve crop nutrition and improve feed utilization and service purposes ± soil nutrient use efficiency, increase efficiency.

[0012] 作物吸收NH/后会通过根系释放等摩尔数的H+到±壤中,在石灰性-碱性±壤中根系附近的该种酸性环境有利于被±壤固定的养分溶解而进入±壤溶液,有利于作物对± 壤养分的吸收。 After [0012] Crop absorption NH / will pass H number of roots release equimolar + to ± soil, the calcareous - alkaline ± soil in the acidic environment in the vicinity of the root conducive is ± soil immobilized dissolved nutrients into ± soil solution, absorbed by the plants of ± soil nutrients. 但±壤中由于广泛存在硝化细菌,人为施入的NH/在一周内即转化为MV, 使根际酸化作用消失。 However, due to the widespread presence in soil ± nitrifying bacteria, was applied to the artificial NH / conversion i.e. within a week is MV, rhizosphere acidification disappear. 加入硝化抑制剂可W抑制硝化作用强度,较长时间保持氮素W NH/ 形式存在,维持较长根际酸化时间。 Was added W nitrification inhibitor can inhibit the nitrification, longer remains present N W NH / form, maintained for a long time rhizosphere acidification. 本发明利用该一特点,在滴灌根际酸性服料中加入NH/ 的氮服并添加硝化抑制剂,使本专利生产的服料具有±壤局部酸化和根际酸化的双重特点,成为一种适合滴灌,具有显著酸化±壤效应的新型服料。 The present invention utilizes a characteristic that, in the drip irrigation rhizosphere added NH acid compound serving / served nitrogen and nitrification inhibitors of the present patent produce clothing materials ± soil having dual characteristics and local acidification of the rhizosphere acidification, into a suitable for drip irrigation, with significant new clothing materials ± soil acidification effect.

[0013] 本发明提供的滴灌根际酸性服料适合滴灌施用,具有局部酸化±壤和根际酸化的双重效果,可抑制±壤对养分的固定,增加养分有效性,有利于作物对养分的吸收。 [0013] Rhizosphere drip acidic garment of the present invention provides material suitable for drip application, having a local acidification ± soil rhizosphere acidification and double effect, can be suppressed to ± soil nutrients fixed, increasing nutrient availability, facilitate crop nutrients absorb. 服料利用率高,增产作用明显。 Clothing materials high utilization, increase yield significantly.

[0014] 本发明提供的滴灌根际酸性服料可防止服料在灌觀水中与巧离子形成沉淀,防止滴头堵塞,提高灌觀均匀度。 [0014] Drip acidic rhizosphere clothing materials provided by the invention prevents clothing materials and form a precipitate in the ion clever concept irrigation water to prevent clogging emitter, improve the uniformity of filling concept.

[0015] 本发明提供的滴灌根际酸性服料养分含量高,养分比例符合作物养分需要。 [0015] The present invention provides a drip irrigation rhizosphere highly acidic nutrient content of clothing materials, the ratio of nutrients meet crop nutrient needs.

[0016] 本发明所述服料的生产制备方法工艺简单,易操作。 [0016] Processes for the preparation of the present invention produced clothing materials simple, easy to operate.

[0017] 下面为滴灌根际酸性服料对石灰性-碱性±壤抑、有效磯含量、棉花产量和磯吸收量及服料利用率的影响: [0017] The following acid was drip rhizosphere clothing materials calcareous - ± alkaline soil suppression, affect the effective content Angeles, cotton yield and clothing materials Angeles absorption and utilization:

[001引1、试验地概况: [001 Primer 1, before the test:

[0019] 试验于石河子大学农学院试验站进行。 [0019] trials in Shihezi University College of Agriculture Experiment Station. 该试验区属干旱、半干旱气候区,蒸发量大于降水量,昼夜温差大,±壤为石灰性±壤,±壤抑为8. 42, CaC〇3含量12. 8 %,灌觀水抑为7. 96。 The test belonged to arid and semi-arid climate zone, in evaporation precipitation, large temperature, ± ± soil was calcareous soil, soil suppression of ± 8.42, CaC〇3 content of 12.8%, irrigation water suppression Concept to 7.96.

[0020] 2、试验设计: [0020] 2. Test design:

[0021] 供试作物为棉花,在等养分用量的基准下,进行棉花对滴灌根际酸性服料和常规服料的响应试验,试验设置2个处理,3次重复。 [0021] The test crops of cotton, in the reference amount of other nutrients, to drip test response in cotton rhizosphere acidic clothing materials and conventional clothing materials, provided two test process repeated 3 times. 处理如下: Processing is as follows:

[0022] 处理1为常规施服作为对照组;处理2为施用本发明的滴灌根际酸性服。 [0022] The processing server 1 as applied to a conventional control; process 2 of the present invention is administered in an acidic rhizosphere drip service.

[0023] 试验两处理基服均施用重过磯酸巧9. 8kg/亩和硫酸钟8.化g/亩。 [0023] Test clothes were administered two treatment groups had a weight Rocky acid clever 9. 8kg / acre and clock of sulfated 8. g / acre. 追服处理1为尿素50. 3kg/亩,磯酸一馈7. 4kg/亩和硫酸钟3. 4kg/亩,处理2为滴灌根际酸性服18. 2kg/ 亩+4化g/亩尿素,均采用随水滴灌的方式施到棉田中。 1 serving urea recovery process 50. 3kg / acre, Rocky acid a feed 7. 4kg / acre and sulfuric bell 3. 4kg / acre, for 2 to drip the acid serving rhizosphere 18. 2kg / acre of +4 g / mu urea , it is used with the water applied to drip manner in cotton.

[0024] 3、样品采集方法及测定: [0024] 3, sample collection and measurement methods:

[00巧]在试验地施用酸性服料前及棉花吐絮收获时测定各小区距滴头IOcm,0-20畑1, 20-40cm深度±壤抑和有效磯。 [Qiao 00] cells from each emitter IOcm measured before the test when administered acidic clothing materials and boll opening of cotton harvester, 0-20 Hata 1, 20-40cm depth and effective suppression ± soil Angeles. 采样方法;每小区用±钻多点取样混合成一个样进行分析。 Sampling methods; ± each cell with a drill into a multi-point sampling mixed samples for analysis.

[0026] 4、棉花产量测定: [0026] 4, cotton production determination:

[0027] 棉花吐絮后在各小区按1/100亩进行测产,测定各次单株铃数;按下、中、上位铃各采集完全吐絮的棉花50朵、称重,计算产量。 [0027] After the cotton boll opening in each cell measured 1/100 mu yield, boll per plant was measured each time; pressed, in each of the upper collecting bell cotton boll opening 50 entirely, weighed to calculate the yield.

[0028] 试验结果如下表所示: [0028] The test results are shown in the following table:

[0029] 表I. ±壤酸化效果 [0029] Table I. ± soil acidification effect

[0030] [0030]

Figure CN104262057AD00051

[OOW 表2.添加DMPP对±壤中NH/-N存留时间的影响 Effects / -N retention time [Table 2. Add the OOW ± in soil of DMPP NH

[0032] [0032]

Figure CN104262057AD00052

[0033] 表3. ±壤与植株磯的变化及磯服利用率 [0033] Table 3. ± Angeles soil and plant changes and service utilization Angeles

[0034] [0034]

Figure CN104262057AD00053

[0035] 表4.棉花产量及构成 [0035] Table 4. Cotton Yield and composition

[0036] [0036]

Figure CN104262057AD00054

[0037] 从酸化效果来看,滴灌根际酸性服料相比常规施服降低了近根区±壤的抑值, 0-20cm和20-40cm分别降低了0. 22和0. 16个单位,对±壤磯的活化量则分别为8. 12和4. 78mg/kg。 [0037] From the point of view acidified drip acidic rhizosphere clothing materials compared with the conventional value applied served suppression reduces soil near the root zone of ±, 0-20cm and 20-40cm decreased by 0.22 and 0.16 units , an activating amount of rocky soil is ± 8.12 respectively and 4. 78mg / kg. 馈态氮和硝化抑制剂(DMP巧一起施用时,±壤中馈态氮可长时间地保持着较高浓度,便于作物对馈态氮的有效大量吸收及发挥生理酸化作用。等养分用量下,施用滴灌酸性根际服提高了±壤中有效磯的含量,有利于植株的吸收,植株吸收的磯增加了0. 51kg/ 亩;相比常规施服,磯服利用率提高了近13% ;同时有利于±壤保持一定的养分水平。 When administered together with the feed nitrogen and nitrification inhibitor (DMP Qiao, ± feeding nitrogen in soil for a long time can be kept relatively high concentrations, to facilitate effective crop absorbs nitrogen feed and play a physiological role in acidification. The amount of the other nutrients , drip administration served to improve the acidic rhizosphere soil ± Angeles effective amount, it is conducive to the absorption plant, increased plant uptake Angeles 0. 51kg / acre; compared with the conventional application service, service utilization by Rocky nearly 13% ; also conducive to ± soil to maintain a certain level of nutrients.

[0038] 从棉花产量及产量结构来看,滴灌根际酸性服通过增加单株铃数促进了棉花产量的增加,同时单铃重也略有增加,增产率达到了20. 1%。 [0038] From the cotton yield and yield structure, drip rhizosphere acid served to promote an increase in cotton yield by increasing the boll number, boll weight while increased slightly, increase rate reached 20.1%.

[0039] 由此可见,本发明的滴灌根际酸性服料配合滴灌系统多次随水滴施能有效降低近根区±壤pH,改善±壤微区环境,提高±壤磯的有效性,显著提高棉花产量,且可行性强,效率高。 [0039] Thus, clothing materials drip rhizosphere acid complexes of the invention with multiple drip irrigation system can effectively reduce the droplet is applied near the root zone soil ± the pH, improve the soil micro environment ± enhance the effectiveness of soil ± Angeles, significant improve cotton production and strong feasibility and high efficiency. 既能发挥滴灌局部酸化作用,又能发挥硫酸馈的生理酸化作用,同时满足植物生长所需的养分。 Play a role in both local acidification drip, but also play a physiological acidified with sulfuric acid fed while meeting the required nutrients for plant growth. 服料的全水溶性和酸性又可避免滴头堵塞现象,保证水服供应的均一,同时延长 Clothing materials and wholly water soluble acidic and avoid clogging emitter, ensure uniformity of service water supply, while extending

Figure CN104262057AD00055

Figure CN104262057AD00056

Figure CN104262057AD00057

Figure CN104262057AD00058

滴灌系统的使用寿命,进一步降低单位成本。 Life drip irrigation system to further reduce unit costs.

具体实施方式 detailed description

[0040] 实施例1 ; [0040] Example 1;

[0041] 一种滴灌根际酸性服料,主要包括W下W重量份计的原料:硫酸馈及DMPP合计26 份,其中硫酸馈;DMPP = 471. 4:1 ;磯酸脈55份;氯化钟15份;走水硫酸锋4份;其中有效营养成份含N ;15. 2%,P205 ;24. 7%,K20 ;9. 4%,化;0. 91%。 [0041] A drip irrigation acidic rhizosphere clothing materials, including the W W parts by weight of raw materials: the total feed sulfuric acid and 26 parts of DMPP, wherein the sulfuric acid feed; DMPP = 471. 4: 1; 55 parts veins Rocky acid; chloride 15 parts of the bell; 4 parts away front sulfate; wherein the active nutrient containing N;. 15 2%, P205;. 24 7%, K20;. 9 4%, of;. 091%. 总养分含量> 50%,符合农业部水溶性服料NY :1107-2010要求。 The total nutrient content of> 50%, in line with the Ministry of Agriculture soluble clothing materials NY: 1107-2010 requirements.

[0042] 将上述配比的原料各自粉碎后过筛,过筛目数为45目;再将过筛后的原料混匀后二次粉碎,并二次过筛即可获得滴灌根际酸性服料,所述二次过筛目数为70目。 [0042] The proportions of the above respective material sieved after grinding, sieving mesh to 45 mesh; after the raw material is pulverized and then sieved secondary mixing, and sieved to obtain the secondary drip acidic rhizosphere service material, said secondary mesh sieved to 70 mesh.

[0043] 所述滴灌根际酸性服料,易溶于水,在农作物进行滴灌的同时施用,农作物对服料的养分能够有效吸收,利用率高,增产效果明显。 [0043] The drip acidic rhizosphere clothing materials, soluble in water, is administered at the same time drip crops, crop nutrients for clothing materials capable of efficiently absorbing, high utilization, increase yield.

[0044] 实施例2 : [0044] Example 2:

[0045] 与实施例1相比,本实施例的不同之处在于一种滴灌根际酸性服料,主要包括W 下W重量份计的原料:硫酸馈及DMPP合计20份,磯酸脈55份,氯化钟20份,走水硫酸锋5 份。 [0045] Compared with Example 1, except that the present embodiment is directed to a drip irrigation acidic rhizosphere clothing materials, including raw parts by weight of the W W: total feed sulfuric acid and 20 parts of DMPP, Rocky pulse acid 55 parts, 20 parts clock chloride, sulfate 5 parts of front walk.

[0046] 将上述配比的原料各自粉碎后过筛,过筛目数为50目;再将过筛后的原料混匀后二次粉碎,并二次过筛即可,所述二次过筛目数为70目。 [0046] The proportions of the above respective material sieved after grinding, sieving mesh to 50 mesh; after the raw material is pulverized and then sieved secondary mixing, and sieved to a secondary, said secondary through mesh number is 70 mesh.

[0047] 实施例3 : [0047] Example 3:

[0048] 与实施例1相比,本实施例的不同之处在于一种滴灌根际酸性服料,主要包括W 下W重量份计的原料:硫酸馈及DMPP合计24份,磯酸脈54份,氯化钟18份,走水硫酸锋4 份。 [0048] Compared with Example 1, except that the present embodiment is directed to a drip irrigation acidic rhizosphere clothing materials, including raw parts by weight of the W W: feed sulfuric acid and DMPP 24 parts in total, Rocky pulse acid 54 parts, 18 parts clock chloride, sulfate 4 parts of front walk.

[0049] 将上述配比的原料各自粉碎后过筛,过筛目数为45目;再将过筛后的原料混匀后二次粉碎,并二次过筛即可,所述二次过筛目数为70目。 [0049] The proportions of the above respective material sieved after grinding, sieving mesh to 45 mesh; after the raw material is pulverized and then sieved secondary mixing, and sieved to a secondary, said secondary through mesh number is 70 mesh.

[0050] 实施例4 : [0050] Example 4:

[0051] 与实施例1相比,本实施例的不同之处在于一种滴灌根际酸性服料,主要包括W 下W重量份计的原料:硫酸馈及DMPP合计28份,磯酸脈48份,氯化钟19份,走水硫酸锋5 份。 [0051] Compared with Example 1, except that the present embodiment is directed to a drip irrigation acidic rhizosphere clothing materials, including raw parts by weight of the W W: total feed sulfuric acid and 28 parts of DMPP, Rocky pulse acid 48 parts, 19 parts clock chloride, sulfate 5 parts of front walk.

[0052] 将上述配比的原料各自粉碎后过筛,过筛目数为48目;再将过筛后的原料混匀后二次粉碎,并二次过筛即可,所述二次过筛目数为80目。 [0052] The proportions of the above respective material crushed and sieved to 48 mesh sieve mesh; after the raw material is pulverized and then sieved secondary mixing, and sieved to a secondary, said secondary through mesh number 80 mesh.

[0053] 实施例5 : [0053] Example 5:

[0054] 与实施例1相比,本实施例的不同之处在于一种滴灌根际酸性服料,主要包括W 下W重量份计的原料:硫酸馈及DMPP合计28份,磯酸脈51份,氯化钟19份,走水硫酸锋2 份。 [0054] Compared with Example 1, except that the present embodiment is directed to a drip irrigation acidic rhizosphere clothing materials, including raw parts by weight of the W W: total feed sulfuric acid and 28 parts of DMPP, Rocky pulse acid 51 parts, bell chloride 19 parts, 2 parts away front sulfate.

[00巧]将上述配比的原料各自粉碎后过筛,过筛目数为50目;再将过筛后的原料混匀后二次粉碎,并二次过筛即可,所述二次过筛目数为80目。 [Qiao 00] The above-described proportions of each material was sieved after grinding, sieving mesh to 50 mesh; raw materials were mixed and then sieved after the secondary pulverization and sieving to the secondary, the secondary mesh sieve to 80 mesh.

[0056] 实施例6 : [0056] Example 6:

[0057] 与实施例1相比,本实施例的不同之处在于一种滴灌根际酸性服料,主要包括W 下W重量份计的原料:硫酸馈及DMPP合计27份,磯酸脈53份,氯化钟17份,走水硫酸锋3 份。 [0057] Compared with Example 1, except that the present embodiment is directed to a drip irrigation acidic rhizosphere clothing materials, including W parts by weight of the raw materials W: total feed sulfuric acid and 27 parts of DMPP, Rocky pulse acid 53 parts, 17 parts clock chloride, sulfate 3 parts of front walk.

[0058] 将上述配比的原料各自粉碎后过筛,过筛目数为50目;再将过筛后的原料混匀后二次粉碎,并二次过筛即可,所述二次过筛目数为70目。 [0058] The proportions of the above respective material sieved after grinding, sieving mesh to 50 mesh; after the raw material is pulverized and then sieved secondary mixing, and sieved to a secondary, said secondary through mesh number is 70 mesh.

Claims (4)

1. 一种滴灌根际酸性肥料,其特征在于主要包括以下以重量份计的原料:硫酸铵与3,4-二甲基吡唑磷酸盐(010^)合计:20〜28份,其中硫酸铵:010^ = 471.4:1;磷酸脲48〜55份;氯化钾15〜20份;七水硫酸锌2〜5份。 A drip irrigation rhizosphere acidic fertilizer, characterized by primarily comprising the following raw materials in parts by weight: ammonium sulfate with 3,4-dimethylpyrazole phosphate (010 ^) Total: 20~28 parts, wherein acid ammonium: 010 ^ = 471.4: 1; urea phosphate 48~55 parts; 15 ~ 20 parts potassium chloride; zinc sulfate heptahydrate 2 ~ 5 parts.
2. 如权利要求1所述的滴灌根际酸性肥料,其特征在于所述的按照重量份计的原料组成为:硫酸铵及DMPP合计26份,磷酸脲55份,氯化钾15份,七水硫酸锌4份。 2. Drip rhizosphere acidic fertilizer according to claim 1, wherein said feed composition according to parts by weight: 26 parts of ammonium sulfate and DMPP total, 55 parts of urea phosphate, 15 parts of potassium chloride, seven 4 parts of zinc sulfate.
3. 如权利要求1所述的滴灌根际酸性肥料的制备方法,其特征在于以重量份计,主要原料分别为:硫酸铵20〜28份,磷酸脲48〜55份,氯化钾15〜20份,七水硫酸锌2〜5 份,3, 4-二甲基吡唑磷酸盐(DMPP) 0· 04〜0· 06份; 将上述配比的原料各自粉碎后过筛,过筛目数为45〜50目;再将过筛后的原料混匀后二次粉碎,并二次过筛即可,所述二次过筛目数为70〜80目。 3. The method as drip irrigation rhizosphere acidic fertilizer according to claim 1, characterized in that in parts by weight, respectively, the main raw material: 20~28 parts ammonium sulfate, urea phosphate parts of 48~55, 15~ chloride 20 parts of 2 ~ 5 parts of zinc sulfate heptahydrate, 3, 4-methylpyrazole phosphate (DMPP) 0 · 04~0 · 06 parts; the above-described respective matching material sieved after grinding, sieving mesh number 45~50 mesh; after the raw material is pulverized and then sieved secondary mixing, and sieved to the secondary, the secondary mesh sieved to 70~80 mesh.
4. 如权利要求3所述的滴灌根际酸性肥料的制备方法,其特征在于所述的按照重量份计的原料组成为:硫酸铵及DMPP合计26份,磷酸脲55份,氯化钾15份,七水硫酸锌4份。 4. The method as drip irrigation rhizosphere acidic fertilizer according to claim 3, wherein said parts by weight according to raw material composition: 26 parts of ammonium sulfate and DMPP total, 55 parts of urea phosphate, potassium chloride 15 parts, 4 parts of zinc sulfate heptahydrate.
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