CN110476734A - A kind of cucumber topping prevention method - Google Patents
A kind of cucumber topping prevention method Download PDFInfo
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- CN110476734A CN110476734A CN201910669412.7A CN201910669412A CN110476734A CN 110476734 A CN110476734 A CN 110476734A CN 201910669412 A CN201910669412 A CN 201910669412A CN 110476734 A CN110476734 A CN 110476734A
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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
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
It pinches prevention method the present invention provides a kind of cucumber, comprising the following steps: (1) cucumber setting date, by using trace element liquid fertilizer: Zn+B >=100g/L promotes cucumber seedling to take root slow seedling, guarantees the absorption of seedling centering microelement；Fruiting period after field planting, by using moderate-element liquid fertilizer: content N >=110g/L, Ca+Mg >=100g/L promote the continued propagation of root system, ground top plant growing way are promoted, to improve cucumber in the resistance of hypothermic phase；After hypothermic phase arrival, by using trace element liquid fertilizer: Zn+B >=100g/L；N > 2%, K > 3% are promoted cucumber and keep root system continued propagation to the resistance of low temperature, while combined with N >=110g/L, Ca+Mg >=100g/L and N30%, P10%, K10% and promoting root system and overground part plant growing way.The present invention improves cucumber entirety resistance by big secondary and micro-element fertilizers compounding application, and promotes root system and overground part plant growing way, generates to prevent cucumber topping phenomenon.
Description
Technical field
The present invention relates to agricultural plantation technology fields, and in particular to a kind of cucumber topping prevention method.
Background technique
Cucumber topping is called melon topping, be crossed by cucumber plant reproductive growth Sheng, nutrient growth it is suppressed caused by.Specifically
Show themselves in that cucumber growth is slow or stagnates, nearby internode is obviously shortened the growing point at top, and no young leaves is grown or growing point is attached
Many immature melons are grown under nearly leaflet is intensive or each axil, most obvious one is characterized in forming a large amount of male and female in growing point
The alternate flowers that flock together are spent, performance of binding is showed, so being called flower topping or melon topping.
Existing solution melon topping technology is mainly solved in addition to the control of temperature and humidity with nitrogenous fertilizer or hormone product, still
Since topping phenomenon almost hypothermic phase in winter occurs for cucumber, nitrogenous fertilizer is commonly used based on urea and nitrate nitrogen product, such product
It needs to absorb heat after dissolution, originally relatively low low temperature is brought a negative impact, cause root growth worse, control improper be easy
Prosperous no melon；In addition, hormone product solution topping improper use often occurs and leads to cucumber endogenous hormones disorder, further result in
The occurrence of phytotoxicity.
Summary of the invention
The embodiment of the invention provides a kind of cucumber topping prevention methods, and its object is to solve drop of applying fertilizer in the prior art
The drug injury problem that prosperous growth caused by ground temperature is generated without melon and hormone control topping.
In view of the above problems, technical solution proposed by the present invention is:
A kind of cucumber topping prevention method, comprising the following steps:
(1) before hypothermic phase arrival, cucumber setting date, by using trace element liquid fertilizer: Zn+B >=100g/
L promotes cucumber seedling to take root slow seedling, guarantees the absorption of seedling centering microelement；
(2) before hypothermic phase arrival, fruiting period after field planting, by using moderate-element liquid fertilizer: content N >=
110g/L, Ca+Mg >=100g/L promote the continued propagation of root system, ground top plant growing way are promoted, to improve cucumber in low temperature
The resistance of phase；
(3) after hypothermic phase arrival, by using trace element liquid fertilizer: content is Zn+B >=100g/L, in parallel
Close and use Macroelement water-soluble fertilizer: content is N > 2%, K > 3%, promotes cucumber to the resistance of low temperature as combination, protects
Hold root system continued propagation；
(4) during the consecutive low temperature phase, by using moderate-element liquid fertilizer: content is N >=110g/L, Ca+Mg
>=100g/L, and Macroelement water-soluble fertilizer is used in combination: content is N >=30%, P >=10% and K >=10%, as group
It closes and promotes cucumber root and ground top plant growing way, promote cucumber growing way, balanced nutrients growth and reproductive growth.
Preferably, Zn+B >=100g/L trace element liquid fertilizer described in step (1) when in use, is watered dilution
500 times.
Preferably, moderate-element liquid fertilizer dosage described in step (2) is 3-4kg/ mus.
Preferably, two kinds of fertilizer described in step (3) are arranged in pairs or groups according to 2:1 and are used, and dosage is 3-4kg/ mus.
Preferably, two kinds of fertilizer described in step (4) are arranged in pairs or groups according to 1:1 and are used, and dosage is 3-4kg/ mus.
Further, the prepared composition of the liquid fertilizer for being Zn+B >=100g/L containing microelement is seven water sulfuric acid
Zinc, four water eight borate two sodium.
Further, the prepared composition containing the water soluble fertilizer that a great number of elements is N > 2%, K > 3% be urea,
Ammonium hydrogen carbonate and potassium sulfate.
Further, the preparation containing the fluid fertilizer that moderate-element is N >=110g/L, Ca+Mg >=100g/L
Ingredient is urea, ammonium hydrogen carbonate, quick lime and magnesium sulfate.
Further, the preparation containing the water soluble fertilizer that a great number of elements is N >=30%, P >=10% and K >=10%
Ingredient is urea, ammonium hydrogen carbonate, calcium superphosphate and potassium sulfate.
Compared with the existing technology, the beneficial effects of the present invention are:
Because what Zn-ef ficiency in plant endogenous auxin synthesis process, influenced whether to be required in auxin route of synthesis
The synthesis of tryptophan.Therefore, zinc is the catalyst of auxin synthesis；Boron element is the constituent of plant each section, is influenced
Cell membrane is formed, and the cell public affairs process of separate living tissue is participated in, and promotes the conversion and operating of carbohydrate, accelerates plant strain growth
Development promotes precocity, and boron element also plays an important role to the formation of plant generative organ and development, promotes pollen germination, stimulation
Pollen tube growth, the effects of having special influence on plant insemination, be conducive to Seed Development, reduce fruit drop.Therefore in low temperature
Before phase arrives, cucumber setting date can promote cucumber by using the liquid fertilizer rich in zinc, boron element to cucumber seedling
Seedling takes root slow seedling, guarantees the absorption of seedling centering microelement, and in fruiting period, punching is applied containing nitrogen, calcium constituent, magnesium elements
Fertilizer, wherein nitrogen can satisfy the normal growth of cucumber, promote the cell of cucumber to grow, in ripening of fruits,
The aging of plant and the generation of ethylene are closely related, and calcium can reduce the biology of ethylene by the adjustment effect to cell leakage
Synthesis, to delay senescence, magnesium is plant chlorophyll and the constituent for planting element, and magnesium plays an important role to photosynthesis.Magnesium from
Son is the activator of a variety of enzymes, promotes saccharide converted in crop body and metabolism, promotes the synthesis of fat and protein.To promote
The continued propagation of root system promotes ground top plant growing way, to improve cucumber in the resistance of hypothermic phase.Thus since, it is fixed to make
Before the warm phase arrives, by reasonably applying fertilizer, make the well developed root system of cucumber, plant nutrition enhancing, to reduce because of nutriment not
Enough, nutriment is partial to female flower caused by, and cucumber is caused to pinch, and arrives in hypothermic phase and in the process, persistently increases
Fertilizer containing zinc, boron, nitrogen, phosphorus, potassium, calcium and magnesium elements promotes cucumber to the resistance of low temperature, keeps root system continued propagation, and
Ground top plant growing way, promotes cucumber growing way, and balanced nutrients growth and reproductive growth are kept to make cucumber in hypothermic phase
Good nutrition situation avoids the variation of endogenous hormones (ethylene, gibberellin) concentration, makes the change of nutriment carriage direction
It pinches at cucumber, and then fundamentally prevents the generation of cucumber topping phenomenon.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention:
Fig. 1 is experimental example of the invention；
Fig. 2 is comparative example of the invention.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.
The embodiment of the present invention proposes a kind of prevention method of cucumber topping, includes the following steps:
(1) before and after October, cucumber setting date uses trace element liquid fertilizer: Zn+B >=100g/L, 500 times dilute
It releases, cooperates the medicaments root dipping such as Metalaxyl-M and fludioxonil, trickle irrigation Zn+B >=100g/L after slow seedling, 200 milliliters/mu promote cucumber
Seedlings root growth, guarantees the absorption of seedling centering microelement；Before as hypothermic phase arrives before and after the October in the general north,
The plantation of cucumber at this time substantially carries out in greenhouse, and low temperature, short-day are the main reason for causing cucumber to pinch at this time,
Before the low temperature arriving phase, in cucumber setting date, the liquid fertilizer of Zn-ef ficiency and boron element is contained by trickle irrigation, because Zn-ef ficiency is being planted
In object Endogenous auxin synthesis process, the synthesis for the tryptophan being required in auxin route of synthesis is influenced whether.Therefore, zinc is
The catalyst of auxin synthesis；Boron element is the constituent of plant each section, influences cell membrane and is formed, and participates in separate living tissue
Cell public affairs process, promote the conversion and operating of carbohydrate, accelerate vine growth and development, promote precocious, boron element is also
It plays an important role to the formation and development of plant generative organ, promotes pollen germination, stimulate pollen tube growth, have to plant insemination
The effects of especially influencing, being conducive to Seed Development, reduce fruit drop.Therefore before hypothermic phase arrival, cucumber setting date leads to
It crosses and the liquid fertilizer rich in zinc, boron element is used to cucumber seedling, cucumber seedling can be promoted to take root slow seedling, guarantee seedling centering
The absorption of microelement improves the well developed root system of cucumber, while establishing nutrition foundation for the growth of hypothermic phase plant.
(2) fruiting period after being colonized, by using moderate-element liquid fertilizer: content N >=110g/L, Ca+Mg >=100g/
L, dosage is 4kg/ mu and carries out punching and apply or trickle irrigation, using twice, is spaced 12 days or so, promotes the continued propagation of root system, promotes ground
Face top plant growing way, to improve cucumber in the resistance of hypothermic phase；Because nitrogen can satisfy the normal growth of cucumber, promote
Cell into cucumber is grown, and for calcium constituent in ripening of fruits, the aging of plant and the generation of ethylene are closely related, and calcium is logical
The biosynthesis that can reduce ethylene to the adjustment effect of cell leakage is crossed, to delay senescence, magnesium is plant chlorophyll and plant
The constituent of element, magnesium play an important role to photosynthesis.Magnesium ion is the activator of a variety of enzymes, and carbohydrate in crop body is promoted to turn
Change and be metabolized, promotes the synthesis of fat and protein.To promote the continued propagation of root system, ground top plant growing way is promoted,
To improve cucumber in the resistance of hypothermic phase.Thus since, before so that the fixed warm phase is arrived, by reasonably spraying containing nitrogen member
The fertilizer of element, calcium constituent and magnesium elements makes the well developed root system of cucumber, and plant nutrition enhances, to reduce because of nutriment deficiency, and
Caused nutriment is partial to female flower, and cucumber is caused to pinch.
(3) enter young fruit period in November, use trace element liquid fertilizer: content is Zn+B >=100g/L, and combines and make
With Macroelement water-soluble fertilizer: content is N > 2%, K > 3%, and two kinds of fertilizer are arranged in pairs or groups according to 2:1 and used, dosage 300-
600ml/ mus carry out punching and apply or trickle irrigation, promote cucumber to the resistance of low temperature as combination, keep root system continued propagation；Into November
After part, as phenomenon of pinching occurs because of low temperature and short-day for hypothermic phase, at this time cucumber transaction, continues punching at this time and applies containing zinc member
The liquid fertilizer of element and boron element, can be with the root growth of constantly improve cucumber, while punching being assisted to apply containing nitrogen and potassium member
The fertilizer of element, nitrogen are the essential elements that protein is constituted, and protein is the base substance of cellular plasm composition, and nitrogenous fertilizer increases
The formation that can promote protein and chlorophyll is applied, dark green leaf color is made, leaf area increases, promotes the assimilation of carbon, be conducive to yield
Increase.Photosynthetic intensity can be improved in the nutritive effect of potassium element, promotes the formation of starch and sugar in crop body, and enhancing is made
The resistance and disease resistance of object, moreover it is possible to improve crop to the absorption of nitrogen.
(4) enter December, in fruiting period, use moderate-element liquid fertilizer: content be N >=110g/L, Ca+Mg >=
100g/L, and Macroelement water-soluble fertilizer is used in combination: content is N >=30%, P >=10% and K >=10%, and two kinds of fertilizer are pressed
It arranges in pairs or groups and uses according to 1:1, dosage is 3-4kg/ mu and carries out punching and apply or trickle irrigation, as combination promotion cucumber root and ground top plant
Growing way promotes cucumber growing way, balanced nutrients growth and reproductive growth.In cucumber fruiting period, applied by reasonably rushing containing nitrogen member
The fertilizer of element, calcium constituent and magnesium elements makes the well developed root system of cucumber, plant nutrition enhancing, while increasing containing nitrogen, phosphorus, potassium three
The original fertilizer of kind can make the formation for promoting protein and chlorophyll, accelerate cell division, and root system and overground part is promoted to accelerate
Growth, it is mature ahead of time, improve fruit quality.
In the above-described embodiments, the prepared composition of the liquid fertilizer for being Zn+B >=100g/L containing microelement is seven
Water zinc sulphate, four water eight borate two sodium.
The prepared composition containing the water soluble fertilizer that a great number of elements is N > 2%, K > 3% is urea, ammonium hydrogen carbonate
And potassium sulfate.
Described containing moderate-element is N >=110g/L, the prepared composition of the fluid fertilizer of Ca+Mg >=100g/L is urine
Element, ammonium hydrogen carbonate, quick lime and magnesium sulfate.
The prepared composition containing the water soluble fertilizer that a great number of elements is N >=30%, P >=10% and K >=10% is urine
Element, ammonium hydrogen carbonate, calcium superphosphate and potassium sulfate.
Illustrate the present embodiment effect acquired about cucumber topping prevention by designing following experimental example and comparative example；
Experimental example；
(1) in October, cucumber setting date is matched with trace element liquid fertilizer: Zn+B >=100g/L, 500 times of dilutions
Close the medicaments root dipping such as Metalaxyl-M and fludioxonil, trickle irrigation Zn+B >=100g/L after slow seedling, 200 milliliters/mu；
(2) fruiting period after being colonized, by using moderate-element liquid fertilizer: content N >=110g/L, Ca+Mg >=100g/
L, dosage be 4L/ mu and carry out punching and apply or trickle irrigation, using twice, interval 12 days or so；
(3) enter young fruit period in November, use trace element liquid fertilizer: content is Zn+B >=100g/L, and combines and make
With Macroelement water-soluble fertilizer: content is N > 2%, K > 3%, and two kinds of fertilizer are arranged in pairs or groups according to 2:1 and used, dosage 300-
600ml/ mus carry out punching and apply or trickle irrigation；
(4) enter and in fruiting period use trace element liquid fertilizer December: content be N >=110g/L, Ca+Mg >=
100g/L, and Macroelement water-soluble fertilizer is used in combination: content is N >=30%, P >=10% and K >=10%, and two kinds of fertilizer are pressed
It arranges in pairs or groups and uses according to 1:1, dosage is 3-4kg/ mu and rush and apply or trickle irrigation.
Comparative example:
1) in October, cucumber setting date is transplanted, 200 milliliters/mu with the medicaments root dipping such as Metalaxyl-M and fludioxonil；
(2) fruiting period after being colonized, by using trace element liquid fertilizer: beginning to use Macroelement water-soluble fertilizer, N
>=15%, P >=10%, K >=30% carry out punching according to 4kg/ mus and apply, and interval rushes Shi Yici in 12 days or so；
(3) enter young fruit period in November, spray two kinds of fertilizer of the plant modifying agents such as potassium dihydrogen phosphate, nature brown cotton according to
2:1 collocation uses, and dosage is 3-4kg/ mu and rush and apply or trickle irrigation；
(4) trace element liquid fertilizer is used in fruit veraison into December: N >=30%, P >=10% and K >=
10%, dosage is 3-4kg/ mu and rush and apply or trickle irrigation.
Wherein, the cucumber of experimental example and comparative example planted is in greenhouse, and experiment mu number is 1 mu, and experimental point is
The Northeast, on -10--20 DEG C of daytime, -15-25 DEG C of night, soil types is Shajiang black soil, earth in quality.Soil fertility is higher,
Irrigation condition is good.Topsoil soils nutrient organic matter before trying: 17.6 (g/kg), alkali-hydrolyzable nitrogen: 123 (mg/kg), available phosphorus: 41.5
(mg/kg), available potassium: 177 (mg/kg), pH:6.8.
In December, cucumber enters fruiting period, and the cucumber planted to experimental example and reference examples is picked, experimental example institute
The cucumber per mu yield of picking is 6000kg, and the cucumber per mu yield that comparative example is picked is 4000kg.
Simultaneously in young fruit period in November, photo is acquired to cucumber topping phenomenon, as shown in Figure 1 and Figure 2:
Be not used it can be seen from above-mentioned experimental example and attached drawing 1-2 trace element liquid fertilizer according to the present invention and
Water soluble fertilizer carries out cucumber fertilizing management, and cucumber is pinched, and phenomenon is more obvious, and topping incidence increases 60%.And after pinching
The yield of cucumber is significantly reduced, and comparative example reduces 33% compared with experimental example cucumber yield.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (9)
- The prevention method 1. a kind of cucumber is pinched, it is characterised in that: the following steps are included:(1) before hypothermic phase arrival, cucumber setting date, by using trace element liquid fertilizer: Zn+B >=100g/L promotes Promote cucumber seedling to take root slow seedling, guarantees the absorption of seedling centering microelement；(2) before hypothermic phase arrival, fruiting period after field planting, by using moderate-element liquid fertilizer: content N >=110g/L, Ca+Mg >=100g/L promotes the continued propagation of root system, ground top plant growing way is promoted, to improve cucumber supporting in hypothermic phase Drag；(3) after hypothermic phase arrival, by using trace element liquid fertilizer: content is Zn+B >=100g/L, and combines and make With Macroelement water-soluble fertilizer: content is N > 2%, K > 3%, promotes cucumber to the resistance of low temperature as combination, keeps root It is continued propagation；(4) during the consecutive low temperature phase, by using moderate-element liquid fertilizer: content be N >=110g/L, Ca+Mg >= 100g/L, and Macroelement water-soluble fertilizer is used in combination: content is N >=30%, P >=10% and K >=10%, is promoted as combination Into cucumber root and ground top plant growing way, cucumber growing way, balanced nutrients growth and reproductive growth are promoted.
- The prevention method 2. a kind of cucumber according to claim 1 is pinched, it is characterised in that: Zn+B described in step (1) >=100g/L trace element liquid fertilizer when in use, is watered 500 times of dilution.
- The prevention method 3. a kind of cucumber according to claim 1 is pinched, it is characterised in that: middle amount described in step (2) Element liquid fertilizer dosage is 3-4kg/ mus.
- The prevention method 4. a kind of cucumber according to claim 1 is pinched, it is characterised in that: two seed manures described in step (3) Material is arranged in pairs or groups according to 2:1 and is used, and dosage is 3-4kg/ mus.
- The prevention method 5. a kind of cucumber according to claim 1 is pinched, it is characterised in that: two seed manures described in step (4) Material is arranged in pairs or groups according to 1:1 and is used, and dosage is 3-4kg/ mus.
- The prevention method 6. a kind of cucumber according to claim 1 is pinched, it is characterised in that: described containing microelement is Zn The prepared composition of+B >=100g/L liquid fertilizer is white vitriol, four water eight borate two sodium.
- The prevention method 7. a kind of cucumber according to claim 1 is pinched, it is characterised in that: described containing a great number of elements is N The prepared composition of the water soluble fertilizer of > 2%, K > 3% is urea, ammonium hydrogen carbonate and potassium sulfate.
- The prevention method 8. a kind of cucumber according to claim 1 is pinched, it is characterised in that: it is described containing element be N >= The prepared composition of the fluid fertilizer of 110g/L, Ca+Mg >=100g/L is urea, ammonium hydrogen carbonate, quick lime and magnesium sulfate.
- The prevention method 9. a kind of cucumber according to claim 1 is pinched, it is characterised in that: described containing a great number of elements is N >=30%, the prepared composition of the water soluble fertilizer of P >=10% and K >=10% is urea, ammonium hydrogen carbonate, calcium superphosphate and sulfuric acid Potassium.
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| CN111448955A (en) * | 2020-03-23 | 2020-07-28 | 龚辰明 | Method for treating cucumber flower topping |
| CN114287217A (en) * | 2022-01-17 | 2022-04-08 | 世多乐(青岛)农业科技有限公司 | Planting and fertilizing method for tip control and flower promotion of Yulu bergamot pears |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111448955A (en) * | 2020-03-23 | 2020-07-28 | 龚辰明 | Method for treating cucumber flower topping |
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| CN110476734B (en) | 2022-08-30 |
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