CN110156519A - A kind of Rice foliar fertilizer and its application method of volume increase drop cadmium - Google Patents
A kind of Rice foliar fertilizer and its application method of volume increase drop cadmium Download PDFInfo
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- CN110156519A CN110156519A CN201910510729.6A CN201910510729A CN110156519A CN 110156519 A CN110156519 A CN 110156519A CN 201910510729 A CN201910510729 A CN 201910510729A CN 110156519 A CN110156519 A CN 110156519A
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- rice
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- foliar fertilizer
- volume increase
- potassium
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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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES 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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
Abstract
The present invention relates to fertilizer and field of rice cultivation, specially a kind of Rice foliar fertilizer of volume increase drop cadmium comprising the raw material of following mass parts: 10~20 parts of EDDHA iron, 5~10 parts of urea, 1~5 part of potassium nitrate, 1~5 part of stabilizer, 0.5~2 part of heteroauxin, 0.1~1 part of potassium dihydrogen phosphate, boric acid receive 0.1~0.5 part, 0.1~1 part of magnesium sulfate.Rice foliar fertilizer of the present invention is obtained by the proportion repeatedly and experiment of many years, it can overcome the disadvantages that the deficiency of existing foliar fertilizer, it also can increase the content of ferro element in rice while effectively increasing rice yield, the content that also can significantly reduce heavy metal cadmium element in rice simultaneously proposes production upgrading to existing rice and has a significant effect.
Description
Technical field
The present invention relates to technical field of fertilizers, and in particular to a kind of Rice foliar fertilizer and its application method of volume increase drop cadmium.
Background technique
Rice is one of the Important Economic crop of China, in China more than 700,000,000 people using rice as staple food.Rice not only can be with
The nutriment of needs is drawn from soil by root system, moreover it is possible to allogenic material directly be absorbed by blade face, such as air, nutrients
Matter and pesticide etc..Foliar fertilizer is that nutrient is applied to rice leaf, and one kind of basic function is played by the absorption of blade
Fertilizer type, the blade of rice have upper layer and lower layer epidermis, are made of epidermal cell, have cuticula and wax on the outside of epicuticle cell
Matter can protect the mesophyll cell under epidermal tissue and exercise the functions such as photosynthetic, breathing, the shadow not changed by extraneous unfavorable conditions
It rings, there are many more small stomatas in blade epidermis, exercise the function of gas replacement；Studies have shown that cuticula is had by one kind
The Long carbon chain fatty acid polymer of hydroxyl and carboxyl composition, the molecular gap of this polymer and the hydroxyl on molecule, carboxyl parent
Water base group can allow aqueous solution to penetrate into leaf, and certainly, it is more easily logical that the stomata of blade surface is that foliar fertilizer enters blade
Road, therefore, rice, which applies foliar fertilizer, has specific aim, and fertilizer application amount is less, quick.
Currently, China, in foliar fertilizer production field, the overwhelming majority only only considered increasing of the single foliar fertilizer to crop
Effect is produced, and often ignores in rice other trace elements such as heavy metal cadmium element in the positive effect of ferro element and rice
Toxic action.Ferro element participates in the formation of chlorophyll, and chlorophyll is that rice leaf carries out photosynthetic important component, water
Rice iron deficiency may result in the reduction of rice leaf Determination of Chlorophyll content, cause blade face yellow, ultimately causes the rice underproduction and even plants
The whole strain of strain is withered.If human body lacks ferro element, adult may generate hypoferric anemia, and children may will affect children's sport
The development such as system and intelligence.Heavy metal cadmium is a kind of pollutant generally existing in paddy field, and cadmium can not only make rice leaf
Yellow, the underproduction are even withered, can also generate centainly carcinogenic, aberration inducing to human body by the effect that food chain is enriched with and cause prominent
It is changed into use.Therefore, rice plant how is reduced to the absorption of cadmium element in rice field and the content that improves ferro element in paddy has
Important research and application value.The traditional approach of soil root fertilising has been broken in rice leaf fertilizer technology and application, to rice
Plantation has important production meaning, however common foliar fertilizer is applied in In Cadmium Polluted Area, may can't bring to rice bright
Aobvious effect of increasing production, or even there is also the absorption for promoting rice to heavy metal cadmium, lead to the increase of rapid determination of content of cadmium element in rice,
Final aggravation food safety risk.
Summary of the invention
Technical problem solved by the invention is to provide a kind of volume increase drop cadmium for being particularly suitable for application to In Cadmium Polluted Area
Rice foliar fertilizer and its application method, so that existing rice be made to reach the absorption reduced while iron is mended in volume increase to cadmium element.
Technical problem solved by the invention is realized using following technical scheme:
A kind of Rice foliar fertilizer of volume increase drop cadmium, the raw material including following mass parts: 10~20 parts of EDDHA iron, urea 5~
10 parts, 1~5 part of potassium nitrate, 1~5 part of stabilizer, 0.5~2 part of heteroauxin, 0.1~1 part of potassium dihydrogen phosphate, boric acid receive 0.1
~0.5 part, 0.1~1 part of magnesium sulfate.
Preferably, the raw material including following mass parts: 10~15 parts of EDDHA iron, 5~8 parts of urea, 2~4 parts of potassium nitrate,
1~3 part of stabilizer, 0.5~1 part of heteroauxin, 0.25~0.50 part of potassium dihydrogen phosphate, boric acid receive 0.2~0.4 part, magnesium sulfate
0.15~0.50 part.
Preferably, the raw material including following mass parts: 12~13 parts of EDDHA iron, 6~7 parts of urea, 3~4 parts of potassium nitrate,
1~3 part of stabilizer, 0.5~0.8 part of heteroauxin, 0.25~0.40 part of potassium dihydrogen phosphate, boric acid receive 0.2~0.3 part, sulfuric acid
0.3~0.4 part of magnesium.
Preferably, the raw material including following mass parts: 12 parts of EDDHA iron, 6 parts of urea, 4 parts of potassium nitrate, 2 parts of stabilizer,
0.6 part of heteroauxin, 0.3 part of potassium dihydrogen phosphate, boric acid receive 0.25 part, 0.35 part of magnesium sulfate.
Preferably, the stabilizer is polyoxyethylene sorbitan monoleate.
It preferably, further include bacteriostatic agent.
The application method of Rice foliar fertilizer of the present invention, which is characterized in that when use that Rice foliar fertilizer water is dilute
It releases 1000~2000 times and is uniformly mixing to obtain flushing liquor；It is in rice plant of tillering stage that flushing liquor is uniform by 20~30kg/ mus of amount
It is sprayed on rice leaf, it is primary with the sprinkling of same amount after a week；Then flushing liquor is pressed 20~30kg/ mus in Rise's boot period
Amount be uniformly sprayed on rice leaf, it is primary with the sprinkling of same amount after a week.If raining in four hours after sprinkling, weight is needed
Newly fill spray.
Further, the period of direct sunlight fierce period and rice leaf with water is avoided when sprinkling, is sprayed
Time is preferably at 9 points in the morning in the past or after at 4 points in afternoon.
The utility model has the advantages that each material composition is finally determined by selection and experiment many times in the present invention, each
Material composition is indispensable, plays indispensable role to final effect, wherein
1, EDDHA iron can be improved the activity of intracellular the protecting enzymes of antioxidant system, remove that heavy metal generates it is a large amount of from
By base, crop Lipid peroxidation metabolism degree is reduced, the integrality of cell is protected, thus reach the toxic action for alleviating heavy metal cadmium,
It also can increase the content of chlorophyll simultaneously and then promote the photosynthesis of blade；
2, urea is current nitrogenous highest nitrogenous fertilizer, and it is that plant is intracorporal that nitrogen therein, which is a great number of elements of plant,
The important component of protein, DNA, RNA and chlorophyll；
3, the potassium element in potassium nitrate can promote rice to carry out photosynthesis, promote Premeabilisation of cells pressure, be easy to rice pair
The absorption of moisture, tolerance of the enhancing rice to undesirable condition；
4, polyoxyethylene sorbitan monoleate can increase the stability of liquid, can slow down reaction, keep chemical balance, reduce surface
Tension, so that it is attached to foliar fertilizer preferably on rice leaf, the absorption conducive to blade to nutriment；
5, heteroauxin is the auxin of plant, can promote cell differentiation, increases the tiller number of rice, blade is delayed to decline
Always；
6, potassium dihydrogen phosphate can supplement the P elements and potassium element of rice needs；
7, boric acid receive in boron element be microelement, rice root can be promoted after be combineding with each other and act on heteroauxin
The growth and development of system, and simultaneously participate in the transport of carbohydrate and the metabolism of protein；
8, the magnesium elements in magnesium sulfate belong to moderate-element, and magnesium is the activator of a variety of enzymes in cell, participate in protein
Synthesis, can promote rice growth.
Technical solution of the present invention formula science, proportion are accurate reasonable, prove by repetition test, can overcome the disadvantages that existing blade face
The deficiency of fertilizer, also can increase the content of ferro element in rice, while also can significantly reduce rice while effectively increasing rice yield
The content of heavy metal cadmium element in rice, has substantive distinguishing features outstanding and marked improvement.
Detailed description of the invention
1, Fig. 1 is the schematic diagram influenced using the embodiment of the present invention 4 on cadmium content in 32 rice of early rice Hunan Xian.
2, Fig. 2 is the schematic diagram influenced using the embodiment of the present invention 4 on iron content in 32 rice of early rice Hunan Xian.
3, Fig. 3 is the schematic diagram influenced using the embodiment of the present invention 7 on cadmium content in excellent 308 rice of late rice five.
4, Fig. 4 is the schematic diagram influenced using the embodiment of the present invention 7 on iron content in excellent 308 rice of late rice five.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
Embodiment 1
In the present embodiment, the Rice foliar fertilizer which drops cadmium includes the following raw material: EDDHA iron 10g, urea 5g, nitric acid
1g parts of potassium, 1g parts of polyoxyethylene sorbitan monoleate, 0.5g parts of heteroauxin, 0.1g parts of potassium dihydrogen phosphate, boric acid receive 0.1g parts, magnesium sulfate
0.1g parts.
Embodiment 2
In the present embodiment, the Rice foliar fertilizer which drops cadmium includes the following raw material: EDDHA iron 20g, urea 10g, nitric acid
Potassium 5g, polyoxyethylene sorbitan monoleate 5g, heteroauxin 2g, potassium dihydrogen phosphate 1g, boric acid receive 0.5g, magnesium sulfate 1g.
Embodiment 3
In the present embodiment, the Rice foliar fertilizer which drops cadmium includes the following raw material: EDDHA iron 10g, urea 5g, nitric acid
Potassium 2g, polyoxyethylene sorbitan monoleate 1g, heteroauxin 0.5g, potassium dihydrogen phosphate 0.25g, boric acid receive 0.2g, magnesium sulfate 0.15g
Embodiment 4
In the present embodiment, the Rice foliar fertilizer which drops cadmium includes the following raw material: EDDHA iron 15g, urea 8g, nitric acid
Potassium 4g, polyoxyethylene sorbitan monoleate 3g, heteroauxin 1g, potassium dihydrogen phosphate 0.50g, boric acid receive 0.4g, magnesium sulfate 0.50g and antibacterial
Agent 4g, bacteriostatic agent can effectively prevent all kinds of pathogenic microorganism infringement rice of rice, have to pathogenic microorganism and inhibit to make well
With.
Embodiment 5
In the present embodiment, the Rice foliar fertilizer which drops cadmium includes the following raw material: EDDHA iron 12g, urea 6g, nitric acid
Potassium 3g, polyoxyethylene sorbitan monoleate 1g, heteroauxin 0.5g, potassium dihydrogen phosphate 0.25g, boric acid receive 0.2g, magnesium sulfate 0.3g.
Embodiment 6
In the present embodiment, the Rice foliar fertilizer which drops cadmium includes the following raw material: EDDHA iron 13g, urea 7g, nitric acid
Potassium 4g, polyoxyethylene sorbitan monoleate 3g, heteroauxin 0.8g, potassium dihydrogen phosphate 0.40g, boric acid receive 0.3g, magnesium sulfate 0.4g.
Embodiment 7
In the present embodiment, the Rice foliar fertilizer which drops cadmium includes the following raw material: EDDHA iron 12g, urea 6g, nitric acid
Potassium 4g, polyoxyethylene sorbitan monoleate 2g, heteroauxin 0.6g, potassium dihydrogen phosphate 0.3g, boric acid receive 0.25g, magnesium sulfate 0.35g.
Foliar fertilizer as described in example 4 is subjected to early rice test, foliar fertilizer described in embodiment 7 is subjected to late rice test,
The experiment of this foliar fertilizer is carried out in the slight In Cadmium Polluted Area in Changsha, Hunan Changsha County Beishan Mountain town.Experiment is first according to five before starting
Point sampling method is sent the pedotheque of acquisition substantially physical and chemical to Agricultural University Of Hunan resource environment institute experimental center progress soil
Property and the measurement of the full dose of soil heavy metal cadmium (Cd).
Soil physico-chemical property are as follows: experiment agricultural land soil pH=5.62, full Cd content are 0.405 ± 0.05mg/kg, organic matter
Content is 16.51g/kg, and alkaline hydrolysis nitrogen content is 58.25mg/kg, available phosphorus content 41.69mg/kg, and active potassic content is
40.38mg/kg。
During the experiment, field management mode is carried out according to local management mode.This product is selected in the fine of calm no rain
It is applied under bright weather, flushing liquor is uniformly sprayed on rice leaf by 25kg/ mus of amount in rice plant of tillering stage, after a week with same
Amount sprinkling it is primary；Then flushing liquor is uniformly sprayed on rice leaf by 25kg/ mus of amount in Rise's boot period, after a week with
Same amount sprinkling is primary, and when sprinkling avoids the period of direct sunlight fierce period and rice leaf with water, sprays
Time is preferably at 9 points in the morning in the past or after at 4 points in afternoon.If raining in four hours after spraying, need to fill spray again.
Early rice experiment: early rice varieties of plant is Hunan Xian 32, and the rice time of infertility 106 days or so, this time test had setting 4 altogether
A processing gradient: blank control (CK), product dilute 2000 times (Z1), product dilutes 1500 times (Z2), product dilutes 1000 times
(Z3), each processing gradient is arranged three in parallel.12 cells altogether, each plot area are 40.0m2, same treatment cell
Between be mutually not attached to and random distribution, separated between cell and cell with ridge, specific cell distribution schematic diagram is shown in Table 1.Experiment
The development time is on July 9,25 days -2018 March in 2018.
Table 1: early rice cell distribution signal
| CK 1 | Z 3-1 | Z 1-3 | Z 2-3 |
| Z 1-1 | CK 2 | Z 2-2 | Z 3-3 |
| Z 2-1 | Z 1-2 | Z 3-2 | CK 3 |
Late rice experiment: Varieties In Late Rice is five excellent 308, which belongs to Three-line Indica Hybrid Rice, a 112 days time of infertility left side
It is right.4 processing gradients are arranged altogether in this time test: blank control (PK), product dilute 2000 times (W1), product dilutes 1500 times
(W2), product dilutes 1000 times (W3), and each processing gradient is arranged three in parallel.12 cells altogether, each plot area are
40.0m2, mutually it is not attached between same treatment cell and random distribution, is separated between cell and cell with ridge, specific small differentiation
Cloth schematic diagram is shown in Table 2.Experiment carries out the time as on November 4,16 days -2018 July in 2018.
Table 2: late rice cell distribution signal
| PK 1 | W 3-1 | W 1-3 | W 2-3 |
| W 1-1 | PK 2 | W 2-2 | W 3-3 |
| W 2-1 | W 1-2 | W 3-2 | PK 3 |
When rice maturation, each cell carries out five point sampling methods and collects the rice in 5 plants of maturity periods, and transports experiment back
Room, the remaining sample of cell carry out yield measuring and calculating.The rice for transporting laboratory back is placed on first in white grid bag, as
72h is shone under natural light direct beam, is shelled after constant weight with hulling machine.After separating brown rice and being crushed with pulverizer, it is placed in No. 5 plastic packaging bags
In it is spare.
Use nitric acid-perchloric acid (volume ratio 4:1) nitration mixture resolution.Reagent used in analytic process is excellent pure grade
(Sinopharm Chemical Reagent Co., Ltd.).The measurement of heavy metal Cd uses inductivity coupled plasma mass spectrometry (ICP-
MS7500a, Agilent Technologies, Japan) it is measured.
This experimental data carries out mean value, standard deviation using Microsoft Excel 2007 and does figure, utilizes SPSS
The ANOVA module (LSD method, α=0.05) of (Statistical Product and Service Solutions, 18.0) is real
It tests processing progress variance analysis and mean value compares.
Experimental result:
1,32 early rice experiment effect of Hunan Xian:
Influence of the foliar fertilizer as described in example 4 of table 3 to rice yield
| Title | Yield (kg) |
| CK | 18.33±2.05 |
| Z1 | 20.17±1.87 |
| Z2 | 21.34±2.16 |
| Z3 | 23.08±2.07 |
Go out from known to Fig. 1, Fig. 2 and table 3, after spraying this product, the content of Fe element has highly significant mention in brown rice
It rises, the content of Cd has conspicuousness decline in opposite brown rice.Compared with CK (0.673 ± 0.053mg/kg of Fe), dilution 2000 is sprayed
Times this product Z1 (1.233 ± 0.123mg/kg of Fe) can make the content of Fe in brown rice rise 83.21%, spray 1500 times of dilution
This product Z2 (1.520 ± 0.169mg/kg of Fe) can make the content of Fe in brown rice rise 125.83%, spray 1000 times of sheets of dilution
Product Z3 (1.907 ± 0.216mg/kg of Fe) can make the content of Fe in brown rice rise 183.35%.
Compared with CK (0.332 ± 0.036mg/kg of Cd), spray 2000 times of this product Z1 of dilution (Cd 0.245 ±
So that the content of Cd in brown rice is declined 26.20%, spray 1500 times of this product Z2 of dilution (Cd 0.196 ±
It so that the content of Cd in brown rice is declined 40.96%, while increase production 16.42%.Spray 1000 times of this products of dilution
Z3 (0.175 ± 0.021mg/kg of Cd) can make the content of Cd in brown rice decline 47.29%.
Compared with CK, increasing production of rice 10.03% can be made by spraying 2000 times of Z1 of dilution, spray 1500 times of this product Z2 of dilution
It can make increasing production of rice 16.42%, the Z3 for spraying 1000 times of this products of dilution can make increasing production of rice 25.91%.
2, five excellent 308 late rice experiment effect
Influence of the foliar fertilizer to rice yield described in 4 embodiment 7 of table
| Title | Yield (kg) |
| PK | 20.23±1.95 |
| W1 | 22.21±2.08 |
| W2 | 24.01±2.34 |
| W3 | 25.74±2.72 |
From Fig. 3, Fig. 4 and table 4 it will be seen that after spraying this product, the content of Fe element has extremely aobvious in brown rice
The promotion of work, the content of Cd has conspicuousness decline in opposite brown rice.
Compared with PK (0.494 ± 0.040mg/kg of Fe), spray 2000 times of this product W1 of dilution (Fe 0.871 ±
So that the content of Fe in brown rice is risen 76.32%, spray 1500 times of this product W2 of dilution (Fe 1.069 ±
So that the content of Fe in brown rice is risen 116.40%, spray 1000 times of this product W3 of dilution (Fe 1.357 ±
The content of Fe in brown rice can 0.143mg/kg) be set to rise 174.70%.
Compared with PK (0.357 ± 0.027mg/kg of Cd), spray 2000 times of this product W1 of dilution (Cd 0.278 ±
0.023mg/kg), in brown rice Cd content decline 22.13%, spray 1500 times of this product W2 of dilution (Cd 0.226 ±
So that the content of Cd in brown rice is declined 36.69%, spray 1000 times of this product W3 of dilution (Cd 0.208 ±
The content of Cd in brown rice can 0.018mg/kg) be set to decline 41.74%.
Compared with PK, the W1 for spraying 2000 times of this products of dilution can make increasing production of rice 9.79%, spray 1500 times of dilution
The W2 of this product can make increasing production of rice 18.69%, and the W3 for spraying 1000 times of this products of dilution can make increasing production of rice
27.24%.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of Rice foliar fertilizer of volume increase drop cadmium, which is characterized in that the raw material including following mass parts:
10~20 parts of EDDHA iron, 5~10 parts of urea, 1~5 part of potassium nitrate, 1~5 part of stabilizer, 0.5~2 part of heteroauxin, phosphorus
0.1~1 part of acid dihydride potassium, boric acid receive 0.1~0.5 part, 0.1~1 part of magnesium sulfate.
2. the Rice foliar fertilizer of volume increase drop cadmium according to weighing and require 1, which is characterized in that the raw material including following mass parts:
10~15 parts of EDDHA iron, 5~8 parts of urea, 2~4 parts of potassium nitrate, 1~3 part of stabilizer, 0.5~1 part of heteroauxin, di(2-ethylhexyl)phosphate
0.25~0.50 part of hydrogen potassium, boric acid receive 0.2~0.4 part, 0.15~0.50 part of magnesium sulfate.
3. the Rice foliar fertilizer of volume increase drop cadmium according to claim 1, which is characterized in that the original including following mass parts
Material: 12~13 parts of EDDHA iron, 6~7 parts of urea, 3~4 parts of potassium nitrate, 1~3 part of stabilizer, 0.5~0.8 part of heteroauxin, phosphorus
0.25~0.40 part of acid dihydride potassium, boric acid receive 0.2~0.3 part, 0.3~0.4 part of magnesium sulfate.
4. the Rice foliar fertilizer of volume increase drop cadmium according to claim 1, which is characterized in that the original including following mass parts
Material: 12 parts of EDDHA iron, 6 parts of urea, 4 parts of potassium nitrate, 2 parts of stabilizer, 0.6 part of heteroauxin, 0.3 part of potassium dihydrogen phosphate, boric acid
Receive 0.25 part, 0.35 part of magnesium sulfate.
5. the Rice foliar fertilizer of volume increase drop cadmium according to claim 1, which is characterized in that the stabilizer is polysorbate
80。
6. the Rice foliar fertilizer of volume increase drop cadmium according to claim 1, which is characterized in that further include bacteriostatic agent.
7. a kind of application method of Rice foliar fertilizer, which is characterized in that drop cadmium using any volume increase of claim 1~6
Rice foliar fertilizer, Rice foliar fertilizer is diluted with water 1000~2000 times and is uniformly mixing to obtain flushing liquor by when use；Yu Shui
Flushing liquor is uniformly sprayed on rice leaf by 20~30kg/ mus of amount by rice tillering stage, primary with the sprinkling of same amount after a week；
Then flushing liquor is uniformly sprayed on rice leaf by 20~30kg/ mus of amount in Rise's boot period, after a week similarly to measure
Sprinkling is primary.
8. a kind of application method of Rice foliar fertilizer according to claim 7, which is characterized in that it is straight to avoid sunlight when sprinkling
Penetrate the fierce period of period and rice leaf with water, spraying time be preferably before at 9 points in the morning or at 4 points in afternoon with
Afterwards.
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| CN110746228A (en) * | 2019-12-09 | 2020-02-04 | 中国热带农业科学院分析测试中心 | Fertilizer suitable for rice and preparation method and application thereof |
| CN111807892A (en) * | 2020-06-24 | 2020-10-23 | 广东省生态环境技术研究所 | Humic acid-containing foliar fertilizer based on biogas slurry as well as preparation method and application thereof |
| CN113683441A (en) * | 2021-09-01 | 2021-11-23 | 顶鑫环保科技有限公司 | Foliar fertilizer for reducing antimony accumulation in rice |
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| CN113683441A (en) * | 2021-09-01 | 2021-11-23 | 顶鑫环保科技有限公司 | Foliar fertilizer for reducing antimony accumulation in rice |
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