CN112723934A - Special multi-growth-period all-element multi-channel water-soluble fertilizer for greenhouse tomatoes - Google Patents
Special multi-growth-period all-element multi-channel water-soluble fertilizer for greenhouse tomatoes Download PDFInfo
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- C—CHEMISTRY; METALLURGY
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Abstract
The invention relates to the technical field of agricultural application, in particular to a special multi-element multi-channel water-soluble fertilizer for greenhouse tomatoes in multiple growth periods. According to the requirements and absorption rules of the tomatoes on nutrient elements in different growth stages, the element types, the element chemical forms and the proportion among the elements are fully considered, and the water-soluble simple substance raw materials are used for formulating the special full-element multi-channel water-soluble fertilizer formula for the tomatoes in different growth stages so as to supply the nutrient elements to the tomatoes in various growth stages in a balanced and scientific manner.
Description
Technical Field
The invention relates to the technical field of water-soluble fertilizers, in particular to a special multi-growth-period all-element multi-channel water-soluble fertilizer for greenhouse tomatoes.
Background
The application of chemical fertilizers is still an important way to achieve high yield of crops under intensive high-density planting conditions. According to the nutrient requirement rule in the growth and development process of various crops, the scientific fertilizer application needs to fully consider the nutrient requirement difference among different crops and also consider the nutrient requirement difference of the same kind of crops in different growth periods. The unreasonable excessive fertilization under the high yield is pursued, the requirements of crops on mineral nutrients cannot be optimally met, the high and stable yield cannot be continuously realized, a series of ecological environment problems such as soil salinization, soil hardening, underground water and surface water pollution and the like can be caused, and the green and sustainable development of agriculture is seriously damaged. Aiming at the nutrient demand and utilization rule of specific crops, the special fertilizer is scientifically prepared and matched with a corresponding fertilizing mode, so that the nutrient utilization efficiency is improved, and unreasonable fertilizer investment is reduced, thereby being an important way for fundamentally solving the problems of agricultural production and ecological environment.
The water-soluble fertilizer can be completely dissolved in water and can directly enter soil along with water in the irrigation process, so that synchronous supply of water and fertilizer (water and fertilizer integration) is realized, and manpower and material resources are greatly saved. In addition, nutrients in the water-soluble fertilizer all exist in a quick-acting ionic form, can be directly absorbed and utilized by the surface of the root system of crops, and can meet the nutritional requirement of high-yield crops in a quick growth period. Therefore, water-soluble fertilizers have been widely used in vegetable crops with high economic value. However, under the illumination and temperature conditions of different climatic periods, the growth and development processes and nutrient accumulation rules of different crops are different. This also requires that the precise fertilizer supply must take into account the planting area, the crop variety and the stage of growth. Because of wide breadth of our country and various types of climates, the research work aiming at the nutrient demand law of the specific crops is relatively weak, the interpretation and the application of the known nutrient demand law of the crops are insufficient, the precision degree of the targeted water-soluble fertilizer formula is insufficient, and a matched water-fertilizer integrated application scheme is lacked. Under specific climatic regions and planting conditions, accurate water-soluble fertilizer formulas aiming at specific crop types and different growth periods are developed, so that the nutrient utilization efficiency can be further improved, excessive supply of fertilizers is prevented, and the yield increasing and quality improving potential of crops is continuously developed.
Disclosure of Invention
The invention provides a full-element multi-channel water-soluble fertilizer in the whole growth period, aiming at solving the problems of nutrient supply and demand and water-soluble fertilizer application facilities in each growth stage of crops.
The technical scheme of the invention is as follows:
a special multi-element multi-channel water-soluble fertilizer for greenhouse tomatoes in a multi-growth period is characterized in that nutrients in each growth stage in the full growth period are prepared from the following soluble simple substance raw materials in different compositions: urea (CH)4N2O), ammonium dihydrogen phosphate (NH)4H2PO4) Calcium nitrate tetrahydrate (Ca (NO)3)2·4H2O), magnesium nitrate hexahydrate (Mg (NO)3)2·6H2O, potassium nitrate (KNO)3) Potassium dihydrogen phosphate (KH)2PO4) Potassium chloride (KCl) and potassium sulfate (K)2SO4) Calcium ammonium nitrate (5Ca (NO)3)2NH4NO3·10H2O), urea phosphate (CO (NH)2)2·H3PO4) Chelated iron (EDDHA-Fe), chelated zinc (EDTA-Zn), chelated manganese (EDTA-Mn), chelated boron (EDTA-B), chelated copper (EDTA-Cu), ammonium molybdate (H)8MON2O4)。
Wherein, many childbearing periods mainly include: five growth stages of seedling stage, flowering and fruit setting stage, initial harvesting stage, middle harvesting stage and final harvesting stage.
Specifically, the method comprises the following steps:
according to the nutrient requirement rule of the seedling stage, the fertilizer is prepared from the following components in percentage by weight: urea (CH)4N21-2 parts of O), ammonium dihydrogen phosphate (NH)4H2PO4)92-171 parts of calcium nitrate tetrahydrate (Ca (NO)3)2·4H2O)149-278 parts of magnesium nitrate hexahydrate (Mg (NO)3)2·6H2O)184-3)184-400 parts of phosphorusPotassium dihydrogen acid (KH)2PO4)61-114 parts of potassium chloride (KCl)14-28 parts of calcium ammonium nitrate (5Ca (NO)3)2NH4NO3·10H2O)299-556 parts of urea phosphate (CO (NH)2)2·H3PO4)125 portions of 234 portions of chelate iron (EDDHA-Fe), 1 to 2 portions of chelate zinc (EDTA-Zn), 2 to 5 portions of chelate manganese (EDTA-Mn), 2 to 4 portions of chelate boron (EDTA-B), 0.2 to 0.4 portion of chelate copper (EDTA-Cu), and ammonium molybdate (H)8MON2O4)0.07-0.1 portion.
According to the nutrient requirement rule of the flowering and fruit setting period, the fertilizer is prepared from the following components in percentage by weight: urea (CH)4N2O)21-40 parts, ammonium dihydrogen phosphate (NH)4H2PO4)40-75 parts of calcium nitrate tetrahydrate (Ca (NO)3)2·4H2O)168-313 parts of magnesium nitrate hexahydrate (Mg (NO)3)2·6H2172-32 portions of O) and potassium nitrate (KNO)3)103-2PO4)188 portion of-3)2NH4NO3·10H2O)337-626 parts, urea phosphate (CO (NH)2)2·H3PO4)91-171 parts of chelated iron (EDDHA-Fe)4-9 parts, chelated zinc (EDTA-Zn)1-2 parts, chelated manganese (EDTA-Mn)2-5 parts, chelated boron (EDTA-B)2-4 parts, chelated copper (EDTA-Cu)0.2-0.4 part, ammonium molybdate (H)8MON2O4)0.07-0.1 portion.
According to the nutrient demand rule at the initial harvesting stage, the fertilizer is prepared from the following raw materials in percentage by weight: urea (CH)4N2O)63-117 parts, ammonium dihydrogen phosphate (NH)4H2PO4)16-31 parts of calcium nitrate tetrahydrate (Ca (NO)3)2·4H2O)466-866 parts, magnesium nitrate hexahydrate (Mg (NO)3)2·6H2O)239-444 parts, potassium nitrate (KNO)3)69-151 parts of potassium dihydrogen phosphate (KH)2PO4)77-143 parts, 186 parts of potassium chloride (KCl) and 346 parts, potassium sulfate (K)2SO4)13-26 parts of chelated iron (EDDHA-Fe)4-9 parts1-2 parts of chelated zinc (EDTA-Zn), 2-5 parts of chelated manganese (EDTA-Mn), 2-4 parts of chelated boron (EDTA-B), 0.2-0.4 part of chelated copper (EDTA-Cu), and ammonium molybdate (H)8MON2O4)0.07-0.1 portion.
According to the nutrient requirement rule in the middle harvesting period, the fertilizer is prepared from the following raw materials in percentage by weight: urea (CH)4N258 to 108 portions of O) and ammonium dihydrogen phosphate (NH)4H2PO4)15-28 parts of calcium nitrate tetrahydrate (Ca (NO)3)2·4H2O)428-3)2·6H2O)219-3)64-139 parts of potassium dihydrogen phosphate (KH)2PO4)71-132 parts of potassium chloride (KCl)263-490 parts of potassium sulfate (K)2SO4)12-24 parts of chelated iron (EDDHA-Fe), 1-2 parts of chelated zinc (EDTA-Zn), 2-5 parts of chelated manganese (EDTA-Mn), 2-4 parts of chelated boron (EDTA-B), 0.2-0.4 part of chelated copper (EDTA-Cu), and ammonium molybdate (H)8MON2O4)0.07-0.1 portion.
According to the nutrient requirement rule at the final harvesting stage, the fertilizer is prepared from the following raw materials in percentage by weight: urea (CH)4N2O)69-129 parts, ammonium dihydrogen phosphate (NH)4H2PO4)14-28 parts of calcium nitrate tetrahydrate (Ca (NO)3)2·4H2O)186 and 347 parts of magnesium nitrate hexahydrate (Mg (NO)3)2·6H2O)191-356 parts of potassium nitrate (KNO)3)115-250 parts of potassium dihydrogen phosphate (KH)2PO4)70-129 parts of potassium chloride (KCl)103-192 parts of calcium ammonium nitrate (5Ca (NO)3)2NH4NO3·10H2O)373 694, chelated iron (EDDHA-Fe)4-9, chelated zinc (EDTA-Zn)1-2, chelated manganese (EDTA-Mn)2-5, chelated boron (EDTA-B)2-4, chelated copper (EDTA-Cu)0.2-0.4, ammonium molybdate (H)8MON2O4)0.07-0.1 portion.
The water-soluble fertilizer is high-solubility powder, and the raw materials are divided into three channels to separately mix and store the raw materials: the first channel combination is calcium nitrate tetrahydrate (Ca (N)O3)2·4H2O), magnesium nitrate hexahydrate (Mg (NO)3)2·6H2O, potassium nitrate (KNO)3) Calcium ammonium nitrate (5Ca (NO)3)2NH4NO3·10H2O); the second channel combination is ammonium dihydrogen phosphate (NH)4H2PO4) Potassium dihydrogen phosphate (KH)2PO4) Urea phosphate (CO (NH)2)2·H3PO4) (ii) a The third channel is combined by urea (CH)4N2O), potassium chloride (KCl) and potassium sulfate (K)2SO4) Chelated iron (EDDHA-Fe), chelated zinc (EDTA-Zn), chelated manganese (EDTA-Mn), chelated boron (EDTA-B), chelated copper (EDTA-Cu), ammonium molybdate (H)8MON2O4). The multi-channel separated raw material storage can avoid the problem of nutrient effectiveness reduction caused by chemical reaction, and can also carry out flexible nutrient supply adjustment aiming at the growth of crops or specific climatic conditions and the like in field application.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
(1) the method can ensure that under the greenhouse planting condition, the nutrient supply scheme of artificially and externally adding the tomatoes in each growth period has scientificity and accuracy, is highly consistent with the nutrient requirement and the accumulation rule of the tomatoes, and is matched with the corresponding water and fertilizer integrated application scheme to realize effective synchronization of water and fertilizer supply, so that the nutrition and reproductive growth of the tomatoes are coordinated, the yield and the quality of the tomato fruits are improved, wherein the fruit quality mainly refers to the size, the shape, the color, the uniformity and the hollowness of the tomato fruits.
(2) Fertilization is carried out in the whole growth period according to the requirement of crop nutrients, and the process of generating precipitation due to chemical reaction of fertilizer raw materials in the storage and application processes is avoided by a multi-channel fertilization mode, so that the problem of reduction of nutrient effectiveness caused by the process is solved.
(3) Due to the fact that the accuracy of fertilizer element supply is improved, nutrient utilization efficiency is greatly improved correspondingly, excessive fertilizer input is effectively avoided, input cost for farmers is reduced, and the problems of underground water pollution and the like caused by soil salinization, hardening and nutrient leaching are effectively avoided.
Drawings
FIG. 1 shows a sand-based cultivation of a comparative example of an embodiment;
FIG. 2 shows the vigorous growth of the plants of the examples;
FIG. 3 is an example; the eggplant fruits are uniform in color change and bright in color.
Detailed Description
In order to make the object and the advantages of the present invention more apparent, the present invention will be further described in detail with reference to the examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example (b):
in a high-temperature greenhouse in Shouguang city in Shandong province in a northern greenhouse planting concentration area, tomatoes are planted in spring stubbles (1 month to 6 middle days) and autumn stubbles (8 months to 12 middle days), and soilless substrate cultivation is adopted, wherein the planting substrate is pure sand, and basically, the planting substrate can not provide any nutrient elements, and all nutrients are applied from soluble fertilizers.
Planting the tomato variety, namely a 'zidary' tomato variety (red large-sized fruits) of Zhangda company, according to local planting habits, the planting density is 2000 plants/mu, 6 clusters of fruits are left on each plant, thinning is carried out, and 4-5 finished fruits are left on each cluster; drip irrigation is adopted for irrigation, and the water and fertilizer management scheme is as follows: irrigating water and fertilizer once every 3-5 days, synchronously supplying water and fertilizer by using a multi-channel simple fertilizer applicator, wherein the application amount of the water-soluble fertilizer special for tomatoes is 3-5kg in different growth periods, and the irrigation water amount is 4-6m3The agricultural management and plant protection measures are according to local planting habits. The control group is a local common soil cultivation mode, and the main cultivation habit is to apply 8-10m before planting3The method is characterized in that a/mu organic fertilizer (rice hull and chicken manure are mixed and decomposed at high temperature), macroelement water-soluble fertilizer water flush application is carried out for 3-4 times before and in the middle period of harvest, and the irrigation scheme, field management and the like are the same as the method for applying the special water-soluble fertilizer for tomatoes disclosed by the invention:
the preferable fertilizer formula in the application comprises the following raw materials in parts by weight:
1) and (3) during the tomato seedling stage: urea (CH)4N2O)1 part, ammonium dihydrogen phosphate (NH)4H2PO4)120 portions of calcium nitrate tetrahydrate (Ca (NO)3)2·4H2O)194 parts, magnesium nitrate hexahydrate (Mg (NO)3)2·6H2O)240 parts, potassium nitrate (KNO)3)280 parts of monopotassium phosphate (KH)2PO4)80 portions of potassium chloride (KCl)20 portions of calcium ammonium nitrate (5Ca (NO)3)2NH4NO3·10H2O)390 parts, urea phosphate (CO (NH)2)2·H3PO4)164 parts of chelated iron (EDDHA-Fe), 1 part of chelated zinc (EDTA-Zn), 4 parts of chelated manganese (EDTA-Mn), 3 parts of chelated boron (EDTA-B), 0.3 part of chelated copper (EDTA-Cu), and ammonium molybdate (H)8MON2O4)0.07 part.
2) And (3) during the tomato flowering and fruit setting period: urea (CH)4N2O)28 parts, ammonium dihydrogen phosphate (NH)4H2PO4)53 parts of calcium nitrate tetrahydrate (Ca (NO)3)2·4H2O)220 parts, magnesium nitrate hexahydrate (Mg (NO)3)2·6H2O)225 parts, potassium nitrate (KNO)3)158 parts of potassium dihydrogen phosphate (KH)2PO4)245 parts of potassium chloride (KCl)3 parts of calcium ammonium nitrate (5Ca (NO)3)2NH4NO3·10H2O)438 parts, urea phosphate (CO (NH)2)2·H3PO4)120 parts of chelated iron (EDDHA-Fe)6 parts, chelated zinc (EDTA-Zn)1 part, chelated manganese (EDTA-Mn)4 parts, chelated boron (EDTA-B)3 parts, chelated copper (EDTA-Cu)0.3 part, ammonium molybdate (H)8MON2O4)0.1 part;
3) at the early stage of tomato harvesting: urea (CH)4N2O)94 parts, ammonium dihydrogen phosphate (NH)4H2PO4)25 parts of calcium nitrate tetrahydrate (Ca (NO)3)2·4H2O)693 parts, magnesium nitrate hexahydrate (Mg (NO)3)2·6H2O)355 parts, potassium nitrate (KNO)3)121 parts of potassium dihydrogen phosphate (KH)2PO4)114 parts of potassium chloride (KCl)277 parts of potassium sulfate (K)2SO4)21 parts of chelated iron (EDDHA-Fe), 7 parts of chelated zinc (EDTA-Zn), 4 parts of chelated manganese (EDTA-Mn), 3 parts of chelated boron (EDTA-B), 0.3 part of chelated copper (EDTA-Cu), and ammonium molybdate (H)8MON2O4)0.08 part;
4) in the middle stage of tomato harvesting: urea (CH)4N2O)86 parts, ammonium dihydrogen phosphate (NH)4H2PO4)22 portions of calcium nitrate tetrahydrate (Ca (NO)3)2·4H2O)637 parts, magnesium nitrate hexahydrate (Mg (NO)3)2·6H2O)326 parts, potassium nitrate (KNO)3)111 portions of potassium dihydrogen phosphate (KH)2PO4)106 portions of potassium chloride (KCl)392 portions of potassium sulfate (K)2SO4)19 parts of chelated iron (EDDHA-Fe), 2 parts of chelated zinc (EDTA-Zn), 4 parts of chelated manganese (EDTA-Mn), 3 parts of chelated boron (EDTA-B), 0.4 part of chelated copper (EDTA-Cu), and ammonium molybdate (H)8MON2O4)0.1 part;
5) and (3) at the late stage of tomato harvesting: urea (CH)4N2O)90 parts, ammonium dihydrogen phosphate (NH)4H2PO4)20 portions of calcium nitrate tetrahydrate (Ca (NO)3)2·4H2O)243 parts, magnesium nitrate hexahydrate (Mg (NO)3)2·6H2O)250 portions, potassium nitrate (KNO)3)175 parts of potassium dihydrogen phosphate (KH)2PO4)90 parts of potassium chloride (KCl)134 parts of calcium ammonium nitrate (5Ca (NO)3)2NH4NO3·10H2486 parts of O), 6 parts of chelated iron (EDDHA-Fe), 2 parts of chelated zinc (EDTA-Zn), 4 parts of chelated manganese (EDTA-Mn), 3 parts of chelated boron (EDTA-B), 0.3 part of chelated copper (EDTA-Cu), and ammonium molybdate (H)8MON2O4)0.1 part.
TABLE 1 comparison of the formulation and application of the fertilizer of the invention with the evaluation indices of tomato yield and quality using conventional fertilizers
| Evaluation index | The invention relates to a fertilizer and application thereof | Water-soluble fertilizer matched with traditional organic fertilizer | Improving the effect |
| Yield (kg/mu) | 12480 | 10560 | +18.2％ |
| Fruit type A (%) | 90 | 70 | +20.0％ |
| Weight of single fruit (g) | 260 | 220 | +18.2％ |
| Investment cost (Yuan) | 4000 | 5500 | -27.2％ |
| Hollow fruit percentage (%) | 3 | 18 | -15％ |
In the field test, data statistics is carried out on the yield, the single fruit weight, the empty fruit rate, the A-type fruit rate, the total input cost of the fertilizer and the utilization efficiency of the fertilizer of the treatment group and the control group respectively. Test results show that the formula of the all-element multichannel water-soluble fertilizer for the whole growth period of the northern high-temperature greenhouse tomatoes can obviously improve the yield and the quality of the tomatoes, field planting conditions and effects are intuitively used as shown in the figures 1, 2 and 3, the pure sand matrix cultivation (without adding organic base fertilizer) in the figure 1 shows that vigorous leaves and fruits in the figure 2 are higher than balanced fruits in uniformity, and the tomatoes in the figure 3 are uniform in color and bright in color. The data in table 1 are used for yield and quality.
Claims (8)
1. The special multi-element multi-channel water-soluble fertilizer for greenhouse tomatoes in the multiple growth periods is characterized in that nutrients in each growth period in the whole growth period are prepared from the following soluble simple substance raw materials in different compositions: urea, ammonium dihydrogen phosphate, calcium nitrate tetrahydrate, magnesium nitrate hexahydrate, potassium nitrate, potassium dihydrogen phosphate, potassium chloride, potassium sulfate, calcium ammonium nitrate, urea phosphate, chelated iron, chelated zinc, chelated manganese, chelated boron, chelated copper and ammonium molybdate.
2. The special multi-growth-period all-element multi-channel water-soluble fertilizer for greenhouse tomatoes as claimed in claim 1, wherein the multi-growth period mainly comprises: five growth stages of seedling stage, flowering and fruit setting stage, initial harvesting stage, middle harvesting stage and final harvesting stage.
3. The special multi-element multi-channel water-soluble fertilizer for greenhouse tomatoes in the multi-growth period as claimed in claim 2, wherein the nutrients in the seedling stage are prepared from the following raw materials in parts by weight: 1-2 parts of urea, 92-171 parts of ammonium dihydrogen phosphate, 278 parts of 149-containing calcium nitrate tetrahydrate, 342 parts of 184-containing magnesium nitrate hexahydrate, 400 parts of 184-containing potassium nitrate, 61-114 parts of monopotassium phosphate, 14-28 parts of potassium chloride, 556 parts of 299-containing calcium ammonium nitrate, 234 parts of 125-containing urea phosphate, 4-9 parts of chelated iron, 1-2 parts of chelated zinc, 2-5 parts of chelated manganese, 2-4 parts of chelated boron, 0.2-0.4 part of chelated copper and 0.07-0.1 part of ammonium molybdate.
4. The special multi-growth-period all-element multi-channel water-soluble fertilizer for greenhouse tomatoes as claimed in claim 2, wherein the nutrients for flowering and fruit setting periods are prepared from the following raw materials in parts by weight: 21-40 parts of urea, 40-75 parts of ammonium dihydrogen phosphate, 313 parts of 168-type calcium nitrate tetrahydrate, 172-32 parts of magnesium nitrate hexahydrate, 103-225 parts of potassium nitrate, 350 parts of 188-type potassium dihydrogen phosphate, 2-4 parts of potassium chloride, 626 parts of 337-type calcium ammonium nitrate, 91-171 parts of urea phosphate, 4-9 parts of chelated iron, 1-2 parts of chelated zinc, 2-5 parts of chelated manganese, 2-4 parts of chelated boron, 0.2-0.4 part of chelated copper and 0.07-0.1 part of ammonium molybdate.
5. The special multi-growth-period all-element multi-channel water-soluble fertilizer for greenhouse tomatoes as claimed in claim 2, wherein the nutrients at the initial harvesting stage are prepared from the following raw materials in parts by weight: 63-117 parts of urea, 16-31 parts of ammonium dihydrogen phosphate, 466-866 parts of calcium nitrate tetrahydrate, 239-444 parts of magnesium nitrate hexahydrate, 69-151 parts of potassium nitrate, 77-143 parts of potassium dihydrogen phosphate, 346 parts of potassium chloride 186-346 parts, 13-26 parts of potassium sulfate, 4-9 parts of chelated iron, 1-2 parts of chelated zinc, 2-5 parts of chelated manganese, 2-4 parts of chelated boron, 0.2-0.4 part of chelated copper and 0.07-0.1 part of ammonium molybdate.
6. The special multi-growth-period all-element multi-channel water-soluble fertilizer for greenhouse tomatoes as claimed in claim 2, wherein the medium-harvest nutrient is prepared from the following raw materials in parts by weight: 58-108 parts of urea, 15-28 parts of ammonium dihydrogen phosphate, 796 parts of 428-plus-calcium nitrate tetrahydrate, 408 parts of 219-plus-magnesium nitrate hexahydrate, 64-139 parts of potassium nitrate, 71-132 parts of monopotassium phosphate, 490 parts of 263-plus-potassium chloride, 12-24 parts of potassium sulfate, 4-9 parts of chelated iron, 1-2 parts of chelated zinc, 2-5 parts of chelated manganese, 2-4 parts of chelated boron, 0.2-0.4 part of chelated copper and 0.07-0.1 part of ammonium molybdate.
7. The special multi-element multi-channel water-soluble fertilizer with multiple growth periods for greenhouse tomatoes as claimed in claim 2, wherein nutrients at the final harvesting stage are prepared from the following raw materials in parts by weight: 69-129 parts of urea, 14-28 parts of ammonium dihydrogen phosphate, 347 parts of 186-one calcium nitrate tetrahydrate, 356 parts of 191-one magnesium nitrate hexahydrate, 250 parts of 115-one potassium nitrate, 70-129 parts of monopotassium phosphate, 192 parts of 103-one potassium chloride, 694 parts of 373-one calcium ammonium nitrate, 4-9 parts of chelated iron, 1-2 parts of chelated zinc, 2-5 parts of chelated manganese, 2-4 parts of chelated boron, 0.2-0.4 part of chelated copper and 0.07-0.1 part of ammonium molybdate.
8. The special multi-element multi-channel water-soluble fertilizer for greenhouse tomatoes during the multi-growth period as claimed in any one of claims 1 to 7, wherein the raw materials are separately mixed and stored by being divided into three channels:
the first channel combination is calcium nitrate tetrahydrate, magnesium nitrate hexahydrate, potassium nitrate and calcium ammonium nitrate;
the second channel combination is ammonium dihydrogen phosphate, potassium dihydrogen phosphate and urea phosphate;
the third channel combination is urea, potassium chloride, potassium sulfate, chelated iron, chelated zinc, chelated manganese, chelated boron, chelated copper and ammonium molybdate.
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| CN109694268A (en) * | 2017-10-21 | 2019-04-30 | 马成三 | It is a kind of using husky, cinder as the nutrient combo of substrate culture tomato and its application |
| CN110100553A (en) * | 2018-12-07 | 2019-08-09 | 湖北格林凯尔精准农业研究院 | A kind of tomato fertilizing method |
| CN109987983A (en) * | 2019-05-07 | 2019-07-09 | 南京工业大学 | A kind of composite foliage fertilizer containing pentanediamine salt |
| CN110169346A (en) * | 2019-06-04 | 2019-08-27 | 海南润达现代农业集团股份有限公司 | A kind of cherry and tomato soilless culture method of suitable torrid areas |
| CN110352840A (en) * | 2019-07-22 | 2019-10-22 | 广东胜天农业工程有限公司 | A kind of nutrient solution and its application method suitable for soilless cultivation |
| CN110668859A (en) * | 2019-10-17 | 2020-01-10 | 福建省中科生物股份有限公司 | Fruit and vegetable universal water culture nutrient solution and preparation method and application thereof |
| CN110720362A (en) * | 2019-11-29 | 2020-01-24 | 澧县绿之源生态农业科技发展有限公司 | Pollution-free planting method for tomatoes in winter |
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| CN114230391A (en) * | 2021-12-02 | 2022-03-25 | 北京盛世思勰农业科技有限公司 | Multi-element water-soluble fertilizer composition |
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