CN110204374A - A kind of tomato fertilizer and its application method and application - Google Patents
A kind of tomato fertilizer and its application method and application Download PDFInfo
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- CN110204374A CN110204374A CN201810165605.4A CN201810165605A CN110204374A CN 110204374 A CN110204374 A CN 110204374A CN 201810165605 A CN201810165605 A CN 201810165605A CN 110204374 A CN110204374 A CN 110204374A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/05—Fruit crops, e.g. strawberries, tomatoes or cucumbers
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
Abstract
The present invention provides a kind of tomato fertilizer, are made of following components according to parts by weight: 47~49 parts of nitrogenous fertilizer, 70~80 parts of phosphate fertilizer, 30~40 parts of potash fertilizer, 450~500 parts of middle and trace element.Utilize the fertilizer and method in the present invention, it is found by 2 years test results, tomato yield highest can increase by 50%, nitrate content highest can reduce by 17% in tamato fruit, the soluble sugar content of tomato can be improved 16%, Vitamin C content can be improved 31%, improve the quality of tomato, ensure that the safety of food.
Description
Technical field
The present invention relates to agricultural production, in particular to a kind of tomato fertilizer and its application method and application.
Background technique
Tomato is as main vegetables, and nutritive value is high, and consumption figure is huge, and edible tomato can meet human body to some dimensions
The demand of raw element and minerals.Tomato is a kind of high-yield crop simultaneously, huge to the demand of moisture content and fertilizer.Therefore, kind
In the planting process of eggplant, grower not only needs to consider to improve the yield and quality of tomato, but also to implement in crop production
The policy of water-saving fertilizer-saving.Therefore, in planting process, must not only meet the needs of tomato is to moisture and fertilizer, but also need
Suitable liquid manure method of supplying, and suitable moisture and fertilizer formula.
Numerous researchers are firstly placed to the task of raising crop yield and quality in the selection of fertilizer, for the water of tomato
Soluble fertilizers are studied, such as the water-soluble fertilizer of amino acid, trace element water-soluble fertilizer, humic acid water-soluble fertilizer etc., but fertilising side
The mode that ridging and punching fertilizer are mostly used in formula, not only causes a large amount of wastes of water resource and fertilizer, also creates Soil Secondary
The ecological problems such as salinization of soil.In addition, the water soluble fertilizer of normal irrigation, which generallys use punching, applies mode, if apply every time it is very few,
It is not able to satisfy plant strain growth, it is excessive to generate injury to plant again.Currently used trickle irrigation irrigation method, although drop can be passed through
Irrigation emitter conveying moisture and fertilizer can be reduced the loss of moisture and fertilizer to crop, but not can be reduced the water on soil layer surface
Point transpiration, can not the demand according to crop to moisture supply.
In existing irrigation technique, Negative pressure irrigation is a kind of novel automatic supply water-saving irrigation technique, by douche
In placing into the soil, delivery head pressure is negative value, using soil matrix gesture automatic absorption moisture, is set without the pressurization of extraneous water lift
It is standby, soil moisture can be maintained constant.Negative pressure irrigation water-fertilizer integral is to dissolve in fertilizer in moisture to irrigate, and forms one kind and holds
Continue stable water supply fertilizer system, so that plant growth can accomplish timely and appropriate discovery in suitable a nutrient and moisture environment
Fertilising, gives full play to fertilizer efficiency, has the function of improving crop yield and improves crop quality.Common Negative pressure irrigation device packet
It includes, the Negative pressure irrigation water-fertilizer integral device as described in ZL201110093923.2.
Although Negative pressure irrigation method has a clear superiority in water-saving fertilizer-saving, there is also many problems.For example, existing skill
Lack the specific fertilizer for this method in art, causes the crop irrigated using this method, nutrient content, yield are below
Conventional method.Especially in tomato planting field, the problem is more prominent.
Therefore, it needs to find a kind of water solubility for improving tomato yield and quality under Negative pressure irrigation water-fertilizer integral system
Fertilizer formula, to solve the above problems.
Summary of the invention
One aspect of the present invention is to be directed to go out using Negative pressure irrigation water-fertilizer integral system plantation tomato in the prior art
The low problem of existing yield and quality provides a kind of tomato fertilizer.
Technical solution provided by the invention are as follows:
A kind of tomato fertilizer is made of following components according to parts by weight:
47~49 parts of nitrogenous fertilizer, 70~80 parts of phosphate fertilizer, 30~40 parts of potash fertilizer, 450~500 parts of middle and trace element.
Preferably, in an embodiment of the invention, above-mentioned tomato fertilizer, by following components according to parts by weight group
At:
47 parts of nitrogenous fertilizer, 70 parts of phosphate fertilizer, 40 parts of potash fertilizer, 450~500 parts of middle and trace element.
In above-mentioned tomato fertilizer formula, the nitrogenous fertilizer can be the nitrogenous fertilizer of any appropriate agricultural use, including but
It is not limited to ammonium fertilizer, such as ammonium hydrogen carbonate, ammonium sulfate, ammonium chloride；Nitrate fertilizer, such as sodium nitrate；Ammonium state nitrate fertilizer, such as
Ammonium sulfate nitrate etc.；And urea.Or the composition of above-mentioned any several nitrogenous fertilizer.
In above-mentioned tomato fertilizer formula, the phosphate fertilizer can be the phosphate fertilizer of any appropriate agricultural use, including but
It is not limited to monoammonium phosphate, Diammonium phosphate (DAP), calcium superphosphate, calcium magnesium phosphate etc..Or the composition of above-mentioned any several phosphate fertilizer.
In above-mentioned tomato fertilizer formula, the potash fertilizer can be the potash fertilizer of any appropriate agricultural use, including but
It is not limited to potassium sulfate, potassium dihydrogen phosphate, potassium phosphate,monobasic, potassium chloride, potassium magnesium salts, potassium nitrate etc..Or it is above-mentioned any several
The composition of kind potash fertilizer.
In above-mentioned tomato fertilizer formula, the middle and trace element can in any appropriate agricultural use, it is micro-
Secondary element, including but not limited to containing compounds of elements such as zinc, magnesium, manganese, iron, boron, calcium, molybdenum and combinations thereof.
Preferably, in an embodiment of the invention, the nitrogenous fertilizer is urea；The phosphate fertilizer is Diammonium phosphate (DAP)；
The potash fertilizer is potassium sulfate；The middle and trace element is by 350 parts of calcium nitrate, 100 parts of magnesium sulfate, 1 part of zinc sulfate, copper sulphate 1
Part, 3 parts of sodium iron ethylene diamine tetra acetate, 3 parts of boric acid, 0.02 part of manganese chloride, 0.1 part of sodium molybdate composition.
Preferably, above-mentioned tomato fertilizer is used for Negative pressure irrigation implantation methods.
Negative pressure irrigation technology is a kind of novel water-saving active irrigation technique for being directed to greenhouse pot culture crop and proposing.The technology
Douche is embedded in the middle part of basin body, using crop water physiological property and soil suction characteristic, make in douche moisture from
It is dynamic to penetrate into soil, to form negative pressure in water-supply-pipe.Under atmospheric pressure, water is pressed into water-supply-pipe from water-feed to mend
The moisture for flowing into soil in hydrophone is charged, to guarantee that whole system is run incessantly, realizes that crop is continuously automatic to moisture
It obtains, passive irrigation is become actively irrigating.In Negative pressure irrigation system, the horizontal plane depth displacement between water-feed and douche is determined
The water supply suction of negative pressure subirrigation system is determined.
Tomato fertilizer formula of the present invention can be used for any appropriate Negative pressure irrigation water-fertilizer integral system.
Another aspect of the present invention, there is provided a kind of tomato planting methods, comprising the following steps:
Step 1) by tomato fertilizer described in claims 1 to 3 any one be configured in proportion mass fraction be 0.1~
0.2% solution；
Step 2) irrigates tomato using the solution that step 1) obtains, by the method for Negative pressure irrigation according to every plant
Tomato growth stage institute water requirement estimation, the solution apply in four times after tomato is transplanted, wherein seedling stage applies 30%wt, flower
Phase applies 30%wt, and the phase of bearing fruit applies 30%wt, and the phase of uprooting plants after their edible portions have been harvested applies 10%wt；
It is harvested after step 3) tomato growth is mature.
Preferably, in an embodiment of the invention, the pH of the step 1) of the above method solution is 5~6.
It is highly preferred that the pH of the step 1) solution is 5.8.
Preferably, the dilute hydrochloric acid of 0.5mol/L can be used to be adjusted for above-mentioned pH.Above-mentioned solution is aqueous solution.
Preferably, in an embodiment of the invention, the step 1) of the above method tomato fertilizer is in proportion
It is configured to the solution that mass fraction is 0.15%.
Preferably, in an embodiment of the invention, the method for the step 2) of the above method Negative pressure irrigation
The soil moisture content result that is measured according to soil-column test under different negative pressure of negative pressure value set.
Meanwhile solution described in step 2) applies in four times after tomato is transplanted, wherein seedling stage applies 30%wt, florescence
30%wt is applied, the phase of bearing fruit applies 30%wt, and the phase of uprooting plants after their edible portions have been harvested applies 10%wt.Such as:
Entire tomato breeding time needs about 72 liters of water altogether, calculates according to water consumption ratio, each breeding time water requirement are as follows: seedling stage
It 21.6 liters, 21.6 liters of the florescence, 21.6 liters of fruiting period, uproots plants after their edible portions have been harvested 7.2 liters of the phase.Water consumption system when water requirement is according to plantation tomato early period
Result setting is counted, ensure that the normal growth of tomato.
Another aspect of the present invention, there is provided a kind of applications of above-mentioned tomato fertilizer, which is characterized in that the tomato
Fertilizer is used for North China's moisture soil, and the soil pH of the moisture soil is greater than 7.0, and organic matter is lower than 5% and effective N-P-K content
Respectively lower than 200mg kg-1、30mg kg-1With 200mg kg-1。
The invention has the benefit that
Using fertilizer formula of the invention, while under Negative pressure irrigation water-fertilizer integral device, plantation tomato can significantly increase
Add its yield, reason be tomato be a kind of reservoir storage it is big and to moisture than more sensitive crop, and Negative pressure irrigation can make soil
Earth water content keeps stablizing, and makes tomato growth in a relatively stable moisture environment, Negative pressure irrigation water-fertilizer integral can
Timely and appropriate discovery fertilising, is conducive to the absorption of plant pair nutrient, gives full play to its fertilizer efficiency, and plant strain growth and nutrient supply is made to be in one
The state of a balance.It using the fertilizer and method in the present invention, is found by 2 years test results, tomato yield highest can increase
Add 50%, nitrate content highest can reduce by 17% in tamato fruit, and the soluble sugar content of tomato can be improved 16%, dimension life
Plain C content can be improved 31%, improve the quality of tomato, ensure that the safety of food.
The present invention based on general chemistry fertilizer, match by the nutrition for being prepared for the tomato suitable growth of cooperation Negative pressure irrigation method
Side, provides good growing environment for tomato entire breeding time.Solve pollution problem of more application fertilizer to environment simultaneously,
Promote the technological progress of tomato planting.Tomato fertilizer formula is simple and easy to match to be set, before having the stronger market competitiveness and promoting
Scape.
Specific embodiment
The invention discloses a kind of tomato fertilizer and its application method and application, those skilled in the art can be used for reference herein
Content is suitably modified realization of process parameters.It is important to note that all similar substitutions and modifications are to those skilled in the art
It is it will be apparent that they are considered as being included in the present invention for member, and related personnel can obviously not depart from the present invention
Content described herein is modified on the basis of content, spirit and scope or appropriate changes and combinations, carrys out implementation and application sheet
Inventive technique.
In the present invention, unless otherwise stated, Science and Technology noun used herein has art technology
The normally understood meaning of personnel institute.
It is right combined with specific embodiments below in order to make those skilled in the art more fully understand technical solution of the present invention
The present invention is described in further detail.
Embodiment 1: the preparation of tomato fertilizer
By urea 47g, Diammonium phosphate (DAP) 70g, potassium sulfate 40g, calcium nitrate 350g, magnesium sulfate 100g, zinc sulfate 1g, copper sulphate
1g, sodium iron ethylene diamine tetra acetate 3g, boric acid 3g, manganese chloride 0.02g, sodium molybdate 0.1g mixing are added to the water, stir evenly, and
Sufficiently dissolution, is adjusted pH value to 5.8 with the dilute hydrochloric acid of 0.5mol/L, obtains 410.08Kg tomato aqueous fertilizer solution (quality
Score 0.15%).
Embodiment 2: the preparation of tomato fertilizer
By urea 49g, Diammonium phosphate (DAP) 80g, potassium sulfate 30g, calcium nitrate 360g, magnesium sulfate 120g, zinc sulfate 1g, copper sulphate
1g, sodium iron ethylene diamine tetra acetate 3g, boric acid 3g, manganese chloride 0.02g, sodium molybdate 0.1g mixing are added to the water, stir evenly, and
Sufficiently dissolution, is adjusted pH value to 5.8 with the dilute hydrochloric acid of 0.5mol/L, obtains 431.41Kg tomato aqueous fertilizer solution (quality
Score 0.15%).
Embodiment 3: the preparation of tomato fertilizer
By urea 48g, Diammonium phosphate (DAP) 70g, potassium sulfate 35g, calcium nitrate 355g, magnesium sulfate 110g, zinc sulfate 1g, copper sulphate
1g, sodium iron ethylene diamine tetra acetate 3g, boric acid 3g, manganese chloride 0.02g, sodium molybdate 0.1g mixing are added to the water, stir evenly, and
Sufficiently dissolution, is adjusted pH value to 5.8 with the dilute hydrochloric acid of 0.5mol/L, obtains 313.06Kg tomato aqueous fertilizer solution (quality
Score 0.2%).
Embodiment 4: tomato planting test
The present embodiment carries out tomato planting using following steps:
(1) taking depth in field is the soil of 0-20cm, and the sieve of 2mm is crossed after air-drying, removes impurity removing.Test the soil used
Earth is the common moisture soil in the north, and physiochemical properties of soil is shown in Table 1.
Table 1 is for trying soil Elemental characters
(2) soil after sieving is fitted into planting pot, wherein the high 30cm of basin, long 42cm, wide 30cm.
(3) potting connects Negative pressure irrigation water-fertilizer integral device, according to the soil that soil-column test is measured under different negative pressure
Water content is as a result, set negative pressure value as -5Kpa.
(4) 1 plant of tomato seedling of two leaves wholeheartedly is planted in basin.
(5) growth period routinely waters, and loosens the soil, pest management etc., and wherein fertilization mode is using a kind of for improving tomato
The soluble formulation of yield and quality.
(6) it is harvested after growth and maturity.
Negative pressure irrigation water-fertilizer integral device (Chinese Academy of Agricultural Sciences's agricultural resource and agricultural regionalization are used in above-mentioned (2)
Research institute's patent, ZL201110093923.2) carry out water supply fertilizer.
Test group setting:
Test is arranged 6 groups altogether, Negative pressure irrigation water-fertilizer integral water supply fertilizer according to the above method, in which:
I group is common fertilizer control group, used fertilizer formula are as follows: 100 parts of urea, 100 parts of Diammonium phosphate (DAP), and potassium sulfate
80 parts, 80 parts of magnesium sulfate, 300 parts of calcium nitrate, 1 part of zinc sulfate, 5 parts of ferrous sulfate, 5 parts of boric acid, 0.02 part of manganese chloride, sodium molybdate
0.1 part；
II, III, V, VI group are normal control group, other than potash fertilizer content therein is different, using in embodiment 1
Identical fertilizer formula carries out.Wherein: II group potassium sulfate 0g；III group potassium sulfate 20g；V group potassium sulfate 60g；VI group potassium sulfate
100g。
IV group is test group, is carried out using fertilizer formula in the same manner as in Example 1, wherein potassium sulfate 40g.
Parametric measurement method:
Every 5 days harvests are primary in the tomato collecting period, and weightometer yield finally calculates total output.In first fruiting period, the best fruiting period,
3 mature tomatoes are taken among each issue of last fruiting period, measure the vitamin C in fruit, soluble sugar and nitrate content.Tomato is planted
Strain first with 105 DEG C water-removing 30 minutes, then 75 DEG C drying to constant weight, be re-weighed.Plant samples crushed to the sieve of 0.25mm, use
H2SO4-H2O2Disappear and boil, then carry out plant N P and K measurement, 2300 nitrogen auto analyzers of nitrogen measure (Kjedahl 2300,
FOSS, Sweden), phosphorus is measured with molybdenum antimony resistance colorimetric method, and potassium is measured with flare photometer.Measure vitamin C in Tomato Quality
Using 2,6- dichloropheno-lindophenol method, nitrate content measurement salicylic acid colorimetry is measured, the measurement anthracene of soluble sugar is measured
Ketone colorimetric method.
Test result:
A. table 2 is comparison sheet of the different fertilizer formula to tomato yield and quality.Negative pressure irrigation water-fertilizer integral of the present invention
Fertilizer formula IV group can significantly improve the yield of tomato, IV in 2 years relative to normal control II and III group in 2 years
The yield of group ratio II group significantly improves 29% and 50% respectively.At the same time, it can be seen that under Negative pressure irrigation water-fertilizer integral of the present invention
The yield of IV group is only second to normal control V group, and the volume variance between two groups does not reach the level of signifiance, though illustrate in IV group
It so reduces the dosage of potash fertilizer, but there is no the yield for significantly reducing tomato, reduced by only 3%, and the V that application of potash fertilizer amount is most
The yield of group is but declined than IV group.It demonstrates and plants tomato under Negative pressure irrigation, need to apply according to needed for tomato growth
With potash fertilizer, excessive application of potash fertilizer reduces the yield of tomato instead.
According to the measurement result of 2 Tomato Quality of table it is found that the vitamin C of technical solution of the present invention IV group has highest number
It is worth, Vitamin C content has respectively reached the 22.5mg/100g and 22.8mg/100g of maximum value in test in 2 years, is higher than its elsewhere
Reason.On nitrate content, the nitrate content of the tomato of all processing is below country to pollution-free vegetable safety standard (melon
Fruit type vegetable nitrate≤600mg/kg) (GB18406.1-2001).Wherein, the nitrate content of technical solution of the present invention IV group
Minimum, the nitrate content of normal control II group processing shows higher numerical value in test in 2 years.In soluble sugar index
On, the content highest of V group, secondly, still the difference of invention IV group and V group is not significant, the soluble sugar of II group contains VI and IV group
It measures minimum.Illustrate that the potassium in Negative pressure irrigation matches the soluble sugar and vitamin C that can influence tomato, reduces nitrate content, but
It is the raising with potassium application rate, the highest VI group of amount of potassium applied is not significantly increased soluble sugar content, reduces dimension life instead
The content of plain C also increases the content of nitrate.It is needed in right amount, excessively instead the above result shows that applying potassium in Negative pressure irrigation
Reduce the yield and quality of tomato.
Application of potash fertilizer is an important measures of agricultural volume increase.Under the conditions of nitrogen phosphorus fertilizer dosage is consistent, suitable potash fertilizer
Dosage can significantly improve the yield and quality of tomato, and the nitrate content of tomato is with increase the becoming in decline of amount of potassium applied
Gesture.Nitrate content is an important indicator for measuring quality of vegetable, and the more low-quality nitrate content in vegetables the better.Therefore
Scientific application of potash fertilizer is an important measures for reducing vegetable nitrate and improving quality.
Comparison sheet of the 2 different fertilizer formula of table to tomato yield and quality
Note: data are 4 duplicate mean+/-standard errors；Under identical time and testing index, after standard error
The letter in face is different to indicate there is significant difference (p < 0.05) under Multiple range test.Similarly hereinafter.
B. table 3 is different fertilizer formula to tomato growth Indexes Comparison table.It can be seen that invention IV from the result in table 3
The fertilizer formula of group shows preferable facilitation to tomato growth.It is proved in test in 2 years, the number of blade of IV group, stem
Thick and plant height shows well.Wherein the number of blade of IV group respectively reaches highest 10 and 10.8 for 2 years, and stem thickness reaches respectively
To 0.72mm and 0.72mm.In plant height index, IV group reaches highest 87.3cm in plant height in 2017, but at 2016
Plant height ratio V group reduces 4cm, but does not reach the level of significant difference.Therefore the fertilizer formula of provable IV group, is able to satisfy kind
The demand of eggplant growth, and significantly promote the growth of tomato.
3 different fertilizer formula of table is to tomato growth Indexes Comparison table
C. table 4 is different fertilizer formula to tomato nutrient absorption amount comparison sheet.It can be seen that invention from the result in table 4
The fertilizer formula of IV group can remarkably promote absorption of the tomato to nutrition.In test in 2 years, the tomato of IV group is to N P and K
Uptake highest.Wherein IV group was respectively 330.9 and 328.4mg/ plants to the uptake of N P and K at 2016 and 2017,
79.0 and 76.7mg/ plants, 570.5 and 595.8mg/ plants.Therefore the fertilizer formula of provable IV group, it is most adaptable to give tomato
Nutrition improves the absorption and utilization of plant pair nutrition, finally improves the yield and quality of tomato, instead excessive application of potash fertilizer
Limit absorption of the tomato to N P and K.
4 different fertilizer formula of table is to tomato nutrient absorption amount comparison sheet
To sum up, available by the data result in the present embodiment, using the tomato fertilizer and implantation methods in the present invention,
It is found by 2 years test results, the formula for inventing IV group and normal control V group is all remarkably higher than other processing.Comprehensive potash fertilizer
Amount of application be compared, the potassium sulfate of IV group application is 40 parts, lower than 60 parts of V group, and the yield and quality index of the two
There is no significant differences.IV group has reached the principles and policies that fertilizer application is saved in agricultural production on fertilizer amount.Therefore,
Using the IV group fertilizer in the present invention, tomato yield highest can increase by 50%, and nitrate content highest can reduce in tamato fruit
17%, the soluble sugar content of tomato can be improved 16%, and Vitamin C content can be improved 31%, improve the quality of tomato,
It ensure that the safety of food.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of tomato fertilizer, which is characterized in that be made of following components according to parts by weight:
47~49 parts of nitrogenous fertilizer, 70~80 parts of phosphate fertilizer, 30~40 parts of potash fertilizer, 450~500 parts of middle and trace element.
2. tomato fertilizer according to claim 1, which is characterized in that be made of following components according to parts by weight:
47 parts of nitrogenous fertilizer, 70 parts of phosphate fertilizer, 40 parts of potash fertilizer, 450~500 parts of middle and trace element.
3. tomato fertilizer according to claim 2, which is characterized in that the nitrogenous fertilizer is urea；The phosphate fertilizer is di(2-ethylhexyl)phosphate
Ammonium；The potash fertilizer is potassium sulfate；The middle and trace element is by 350 parts of calcium nitrate, 100 parts of magnesium sulfate, 1 part of zinc sulfate, copper sulphate
1 part, 3 parts of sodium iron ethylene diamine tetra acetate, 3 parts of boric acid, 0.02 part of manganese chloride, 0.1 part of sodium molybdate composition.
4. tomato fertilizer according to any one of claims 1 to 3, which is characterized in that the tomato fertilizer is used for negative pressure
Irrigate implantation methods.
5. a kind of tomato planting method, which comprises the following steps:
Step 1) by tomato fertilizer described in claims 1 to 3 any one be configured in proportion mass fraction be 0.1~
0.2% solution；
Step 2) irrigates tomato using the solution that step 1) obtains by the method for Negative pressure irrigation, according to every plant of tomato
Growth period institute's water requirement estimation, the solution apply in four times after tomato is transplanted, wherein seedling stage applies 30%wt, and the florescence applies
Enter 30%wt, the phase of bearing fruit applies 30%wt, and the phase of uprooting plants after their edible portions have been harvested applies 10%wt；
It is harvested after step 3) tomato growth is mature.
6. tomato planting method according to claim 5, which is characterized in that the pH of the step 1) solution is 5~6.
7. tomato planting method according to claim 6, which is characterized in that the pH of the step 1) solution is 5.8.
8. tomato planting method according to claim 5, which is characterized in that step 1) the tomato fertilizer is prepared in proportion
The solution for being 0.15% at mass fraction.
9. tomato planting method according to claim 5, which is characterized in that the method for the step 2) Negative pressure irrigation is born
Pressure value is set according to the soil moisture content result that soil-column test under different negative pressure is measured.
10. a kind of application of the tomato fertilizer as described in claims 1 to 3 any one, which is characterized in that the tomato fertilizer
For North China's moisture soil, the soil pH of the moisture soil is greater than 7.0, and organic matter is lower than 5%, and effectively N-P-K content difference
Lower than 200mg kg-1、30mg kg-1With 200mg kg-1。
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| CN112374932A (en) * | 2020-12-22 | 2021-02-19 | 广东海洋大学 | Cherry tomato water-soluble special fertilizer and preparation method thereof |
| CN117185876A (en) * | 2023-09-05 | 2023-12-08 | 新洋丰农业科技股份有限公司 | Stable water-soluble nitrogen fertilizer for improving cold resistance of tomatoes and preparation method thereof |
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Application publication date: 20190906 |