CN107969202A - A kind of fertilizing method of citrus - Google Patents
A kind of fertilizing method of citrus Download PDFInfo
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- CN107969202A CN107969202A CN201610985136.1A CN201610985136A CN107969202A CN 107969202 A CN107969202 A CN 107969202A CN 201610985136 A CN201610985136 A CN 201610985136A CN 107969202 A CN107969202 A CN 107969202A
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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
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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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
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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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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Abstract
The invention discloses a kind of fertilizing method of citrus, include the following steps:1) deep ploughing fertilizer:After citrus picking, it is colonized in citrus orchard among row, excavates the trench that wide depth is 0.8m × 1.0m, the mellow soil being excavated apart from 20 30cm of ground is backfilled to the bottom of trench afterwards, when being filled to 20 30cm, paving buries hay, per acre 400 600Kg of orchard dosage, when pawnshop is buried to apart from 15 30cm of ground, organic fertilizer is applied, per acre 200 300Kg of orchard dosage, continue to apply phosphate fertilizer afterwards, 40 60Kg of orchard dosage per acre, is finally covered trench with the raw-soil being excavated;2) rudiment fertilizer;3) the young fruit development phase;4) young fruit expanding stage;5) fruit picking fertilizer;6) fertilizer after adopting.The present invention passes through the deep ploughing fertilizer to planting site, the planting site for including mellow soil layer, hay layer, organic fertilizer layer, phosphate fertilizer layer and raw soil layer successively from bottom to top to citrus orchard field planting row intermediate soil is handled, the raising so that fertilizer efficiency and soil environment of citrus planting site are improved, ensure that the optimum planting environment of citrus.
Description
Technical field
The invention belongs to planting fruit trees technical field, and in particular to a kind of fertilizing method of citrus.
Background technology
Citrus Rutaceae Aurantioideae is the torrid zone, subtropical evergreen fruit trees (in addition to trifoliate orange), because citrus is delicious fragrant and sweet
And nutritional ingredient very abundant, and it is very popular.It is continuous generally after operation due to citrus to belong to perennial kind
After abounding with 2-4, limited by land resource and cultivation condition, citrus main producing region generally existing continuous cropping obstacle of apple problem, has
Researcher's research shows, under Continuous Mono-cropping, soil fertility declines, and citrusfruit quality substantially reduces, and yield declines, and the problem is
As the bottleneck of orchard renewal and Citrus Industry sustainable development.
The soil organism is the important substance basis of soil fertility, and research shows that organic matter is as mineral element, to planting
The growth and development of object plays irreplaceable effect.But at present, apply fertilizer in citrus planting process generally with quick-acting chemical fertilizer or
Based on the chemical fertilizer such as urea, chemical fertilizer is with single nutrient component, and environmental pollution is big, causes that fruit tree disease resistance is low, fruit is small,
Fruit is intense darkness without light, and mouthfeel is bad, or even unsalable, directly affects economic benefit, and overuse of chemical fertilizer, easily causes soil
Earth is hardened, damage mandarin tree growth, influences the result and mouthfeel of citrus;Application of organic fertilizers is not in then using chemical fertilizer
Problem, but the organic fertilizer of mainstream is usually present the problem of fertility is uneven on the market, has rotten situation to occur after, and have
Also there are the phenomenon of heavy metals exceeding standard for a little organic fertilizers.
Research finds that citrus orchard is after citrus 2-4 is planted, and orchard soil stability reduces, element needed for mandarin tree
A large amount of a large amount of accumulation for reducing and being not required to element, cause the structure of soil to change, the gas permeability of soil is deteriorated;Application number
A kind of implantation methods of granulated sugar tangerine are disclosed for the Chinese patent application of " 201610187249.7 ", its step includes:Deep ploughing is applied
Fertilizer;After annual December, cave is dug by circumference of the tree crown surrounding of granulated sugar tangerine, it is 0.6 × 0.5 to cheat wide depth, discharges fertilizer, described
Fertilizer type include potash fertilizer, nitrogenous fertilizer, phosphate fertilizer, organic fertilizer, wherein organic fertilizer is chicken droppings and peanut press pulp according to 1:1 weight ratio is mixed
Conjunction forms;The deep ploughing fertilizer method is further improved the loose air permeability effect of orchard soil, and is deposited using organic fertilizer
With single nutrient component, the fertility needed for fruit tree growth is improved bad.
The content of the invention
In view of the defects existing in the prior art, the present invention provides one kind to be effectively improved soil environment, increase soil fertility,
Improve the fertilizing method of citrus quality and yield.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of fertilizing method of citrus, comprises the following steps:
1) deep ploughing fertilizer:After citrus picking, be colonized in citrus orchard among row, with Miniature digging machine excavate wide depth be 0.8m ×
The mellow soil being excavated apart from ground 20-30cm, is backfilled to the bottom of trench by the trench of 1.0m afterwards, when being filled to 20-30cm
When, paving buries hay, per acre orchard dosage 400-600Kg, when pawnshop is buried to apart from ground 15-30cm, applies organic fertilizer, per acre fruit
Garden dosage 200-300Kg, continues to apply afterwards phosphate fertilizer, orchard dosage 40-60Kg per acre, finally with the raw-soil being excavated by moat
Ditch covers concordant to ground;
2) rudiment fertilizer:The top dressing before mandarin tree rudiment is bloomed, single plant nitrogen fertilizer application 0.25-0.3Kg, phosphate fertilizer 0.25-0.3Kg and
Potash fertilizer 0.2-0.3Kg;
3) the young fruit development phase:The top dressing after mandarin tree thanks to flower, single plant apply urea 0.15-0.2kg, and calcium superphosphate is about
0.15-0.25kg, potassium sulfate 0.18-0.2kg;
4) young fruit expanding stage:In citrus expanding stage top dressing, with the urea of 0.3wt% and the liquid manure of 0.2wt% calcium superphosphate
Liquid, sprayed once every 10 days, continuously three times, dosage 80-120Kg per acre;
5) fruit picking fertilizer:Slightly turn green combination to each pumping before maturation after bearing fruit and control worm spray fertilizer, with 0.3wt% potassium dihydrogen phosphates simultaneously
Lethane and 0.3wt% urea mixing solution spray tree crown;
6) fertilizer after adopting:After harvesting in 15-25 days, every plant imposes cake fertilizer 2.5-4Kg, ternary compound fertilizer 1-1.5Kg, calcium and magnesium
Phosphate fertilizer 1-1.5Kg, lime each 1-1.5Kg and potash fertilizer 0.5Kg.
Preferably, wherein the step 1) hay be grass hay, pulse family hay, one kind in cereal hay or it is mixed
Compound.
Preferably, wherein in the raw material of the step 1) organic fertilizer, including trace element magnesium, sulphur, iron, manganese, boron, zinc, copper
And one or both of molybdenum combination of the above thing.
Preferably, wherein the raw material of the organic fertilizer includes following component by weight percentage:Cattle manure:25-45%,
Milk cow urine 10-30%, grass stalk 25-50% and complex micro organism fungicide 0.05-0.2%, the complex micro organism fungicide include
A kind of or its mixed bacteria composition in mould, bacillus, lactic acid bacteria, actinomyces and saccharomycete.
Preferably, wherein full N, P, K nutrient content >=4wt%, the content of organic matter >=60wt% in the organic fertilizer.
Preferably, wherein watering in the step 2), step 3) and step 6) during fertilising, it is necessary to combine, water every three days
Once, irrigation amount, which is subject to, gos deep into soil 30-50cm, and continuous watering is three times.
Preferably, wherein in the step 2), step 3) and step 6) during fertilising, using the method for ring-type ditch spread, specifically
For:An annular groove, furrow width 25cm, ditch depth 35-40cm are dug in crown mapping outer rim;The cricoid position is every year with tree crown
Expand and move outside.
Preferably, wherein in the step 2), step 3) and step 6) during fertilising, using the method for radiation ditch spread, specifically
For:Centered on trunk, 5-6 bar ditch, furrow width 25-35cm, deep 15-35cm, away from trunk 1- are dug along horizontal root system direction of extension
At 1.6m, the depth of ditch is gradually deepened from inside to outside, interior narrow outer width, year by year rotation trench digging position.
Preferably, wherein in the step 2), step 3) and step 6) during fertilising, using the method for strip ditch spread, specifically
For:Depth 30cm, width 20cm are dug in opposite two sides of tree crown slightly external position, the long dressing furrow depending on tree crown size, applies fertilizer,
The position of next year strip ditch is rotated to other opposite side.
Preferably, wherein the Phosphorus In Phosphate Fertilizer >=30wt%, nitrogen content >=25wt% in the nitrogenous fertilizer.
Compared with prior art, the present invention has at least the following advantages:
(1) fertilizing method of citrus provided by the present invention, by the deep ploughing fertilizer to planting site, is colonized citrus orchard
Soil among row carries out the plantation for including mellow soil layer, hay layer, organic fertilizer layer, phosphate fertilizer layer and raw soil layer successively from bottom to top
Ground processing so that the fertilizer efficiency and soil environment of citrus planting site are improved raising, ensure that citrus is optimum
Planting environment, wherein, the enough mellow soil of fertility is filled to the trench bottom and forms mellow soil layer, ensure that the fertilizer of trench bottom
Power;Paving buries hay, reaches fluffy soil, increases the effect of Soil ventilation degree;Organic fertilizer is applied, which, which contains, abundant has
Machine matter, and abundant trace element is provided for soil, meet in citrus planting soil to the demand of the elements such as N P and K, protect
Fertility needed for demonstrate,proving mandarin tree growth, preserves the ecological environment at the same time;Continue to apply phosphate fertilizer afterwards, improve soil trace element ratio,
Improve fruit mouthfeel;Finally trench is covered with the raw-soil being excavated, easy to accelerate the ripening to fertility below;In mandarin orange
Before tangerine rudiment is bloomed, rudiment fertilizer is applied:Nitrogenous fertilizer, phosphate fertilizer and potash fertilizer;The young fruit development phase:Young fruit is applied after mandarin tree thanks to flower
Puberty fertilizer:Urea, calcium superphosphate, potassium sulfate;Young fruit expanding stage:In citrus expanding stage top dressing, leaching urea and calcium superphosphate are applied
Liquid manure liquid;Slightly turn green and combine to control worm to each take out before maturation after bearing fruit, apply potassium dihydrogen phosphate and lethane, urea mixes
Hefei liquid;Top dressing in 15-25 days, applies phosphate fertilizer and potash fertilizer after harvesting, by each period to Ci trus growth, carries out different
The fertilising of species and different nutriments, ensure that demand of each period to different nutriments, be advised according to the growth of citrus
Rule, using the suitable fertilizer of different times, effectively increases the yield and quality of citrus.
(2) fertilising of the present invention in the whole growth course of citrus is using trench digging top dressing and earthing watering and foliage spray knot
The method of conjunction, trench digging top dressing and earthing watering accelerate infiltration rate of the mandarin tree to fertilizer, and reduce the waste of fertilizer;And
Foliage spray, which can timely and effectively provide mandarin tree, has the demand of nutrition that simple and practicable, fertilizer application amount is few, fertilizer efficiency is fast, nutrient is sharp
The features such as with rate height, positive effect, can also avoid the fixation of soil application, be lost in, while can also supplement tree body to moisture
Demand, trench digging top dressing and foliage dressing are combined, more meet the needs of Ci trus growth, effectively improve the yield and quality of citrus.
Embodiment
With reference to specific embodiment, the invention will be further described.
When stated in the form of scope, preferred scope or preferable numerical upper limits and lower limit some amount, concentration or its
It is worth or when parameter, it should be understood that equivalent to it is specific disclose by by any pair of range limit or preferred value with appointing
Any scope that meaning range lower limit or preferred value combine, and whether specifically disclosed without considering the scope.Unless in addition refer to
Go out, number range value listed herein is in the endpoint including scope, and all integers and fraction within the scope of this.
Unless otherwise stated, all percentage herein, number, ratio etc. are by weight.
Material, method and the embodiment of this paper is exemplary, and unless stated otherwise, should not be construed as restricted
's.
Nitrogenous fertilizer that the present invention uses, phosphate fertilizer, urea, calcium superphosphate, potassium sulfate are purchased in market.
Technical term:
Mellow soil:Mellow soil, the soil exactly stirred by the mankind, is also soil living, flower soil, its irregular colour, structure are irregular, matter
Ground is loose, mixes;For arable land, topsoil is by artificial farming, fertilising, and soil-ripening degree is high, and soil is dredged
Pine, structure is preferable, is easier to farming, has good ventilating permeable, fertility is higher, belongs to mellow soil;For the natural ring in field
The loose surface layers of a large amount of root systems of plant mellow soil finally is distributed with border, surface.
The raw-soil:The raw-soil is digged up from deep layer, without humus (or few), soil property boundary hardboard knot, and bad hydraulic permeability,
Lack the soil of nutrition;For arable land, below, soil-ripening degree is low, tightlier for plough sole (generally in farming ground 30cm)
Real, structure is poor, it is difficult to carries out farming, ventilating permeable is poor, this relatively low part of fertility is exactly the raw-soil;For the natural soil in field
Earth, below the root system of plant of consolidation be difficult that this layer of soil penetrated is the raw-soil.
Embodiment 1:
A kind of fertilizing method of citrus, comprises the following steps:
1) deep ploughing fertilizer:After citrus picking, be colonized in citrus orchard among row, with Miniature digging machine excavate wide depth be 0.8m ×
The trench of 1.0m, afterwards will be apart from ground 20-30cm, and the mellow soil that more preferably 25cm is excavated is backfilled to the bottom of trench
Layer, when being filled to 20-30cm, when being more preferably 20cm, paving buries hay, per acre orchard dosage 400-600Kg, further preferably
For 500Kg, when pawnshop is buried to apart from ground 15-30cm, more preferably 15cm, organic fertilizer is applied, per acre orchard dosage
200-300Kg, more preferably 250Kg, continue to apply phosphate fertilizer afterwards, per acre orchard dosage 40-60Kg, more preferably
50Kg, is finally covered trench to concordant with ground with the raw-soil being excavated;
2) rudiment fertilizer:The top dressing before mandarin tree rudiment is bloomed, single plant nitrogen fertilizer application 0.25-0.3Kg, phosphate fertilizer 0.25-0.3Kg and
Potash fertilizer 0.2-0.3Kg, more preferably:Single plant nitrogen fertilizer application 0.26Kg, phosphate fertilizer 0.26Kg and potash fertilizer 0.25Kg;
3) the young fruit development phase:The top dressing after mandarin tree thanks to flower, single plant apply urea 0.15-0.2kg, and calcium superphosphate is about
0.15-0.25kg, potassium sulfate 0.18-0.2kg;More preferably:Single plant applies urea 0.17kg, calcium superphosphate about 0.2kg, sulphur
Sour potassium 0.19kg;
4) young fruit expanding stage:In citrus expanding stage top dressing, with the urea of 0.3wt% and the liquid manure of 0.2wt% calcium superphosphate
Liquid, sprayed once every 10 days, and continuously three times, dosage 80-120Kg, is more preferably 100Kg per acre;
5) fruit picking fertilizer:Slightly turn green combination to each pumping before maturation after bearing fruit and control worm spray fertilizer, with 0.3wt% potassium dihydrogen phosphates simultaneously
Lethane and 0.3wt% urea mixing solution spray tree crown;
6) fertilizer after adopting:After harvesting in 15-25 days, every plant imposes cake fertilizer 2.5-4Kg, ternary compound fertilizer 1-1.5Kg, calcium and magnesium
Phosphate fertilizer 1-1.5Kg, lime each 1-1.5Kg and potash fertilizer 0.5Kg, more preferably:Every plant to impose cake fertilizer 3.2Kg, ternary multiple
Hefei 1Kg, calcium magnesium phosphate 1.2Kg and lime 1.2Kg.
Preferably, in an optimal technical scheme of the present embodiment, hay is grass hay, pulse family hay, cereal
One kind or its mixture in hay;Grass hay, pulse family hay, the equal source of cereal hay are wide, and quantity is big, simple and easy to get,
Chongqing most area has, further preferred grass hay, and the weeds of orchard growth are generally grass family class, in orchard
Weeds carry out harvesting and dry recycling, it is convenient, save.
Continuous cropping planting site stability is poor, with required nutrient is absorbed in citrus developmental process, causes planting site
Element needed for citrus in soil largely reduces and is not required to element and largely accumulates, to making the structure of soil change, soil
Gas permeability be deteriorated, for this reason, in another optimal technical scheme of the present embodiment, in the raw material of the organic fertilizer, including micro-
One or both of secondary element magnesium, sulphur, iron, manganese, boron, zinc, copper and molybdenum combination of the above thing, the setting cause plantation gained
Citrus has more balanced trace element, while soil environment structure is also effectively improved, effectively improve citrus yield and
Quality.
The fertilizing method for the citrus that the present embodiment is provided:By the deep ploughing fertilizer to planting site, citrus orchard is colonized
The planting site soil for including mellow soil layer, hay layer, organic fertilizer layer, phosphate fertilizer layer and raw soil layer successively from bottom to top is carried out among row
Processing so that the fertilizer efficiency and soil environment of citrus planting site are improved raising, meet the optimum plantation of citrus
Environment, wherein, the enough mellow soil of fertility is filled to the trench bottom and forms mellow soil layer, ensure that the fertility of trench bottom;Paving
Hay is buried, reaches fluffy soil, increases the effect of Soil ventilation degree;Organic fertilizer is applied, which contains abundant organic matter,
And abundant trace element is provided for soil, meet in citrus planting soil to the demand of the elements such as N P and K, ensure mandarin orange
Fertility needed for tangerine growth, preserves the ecological environment at the same time;Continue to apply phosphate fertilizer afterwards, improve soil trace element ratio, improve
Fruit mouthfeel;Finally trench is covered with the raw-soil being excavated, easy to accelerate the ripening to fertility below;The deep ploughing is applied
Fertile method can be used for increased fertilising link in the fertilizing method of the prior art, by effectively improving planting site soil
The content of organic matter, and improve loose, the ventilative link of planting site soil, the yield and matter of citrus can be effectively improved
Amount;Increase the fertilising step of the deep ploughing fertilizer in fertilizing method, increase production 241Kg/ mus than conventional fertilizer application, volume increase 19.3%;Than working as
Ground fertilization recommendation increases production 190.3Kg/ mu, volume increase 16.5%, in terms of the citrus fearness quality for, increase the depth in fertilizing method
The fertilising step of fertilising is ploughed, the content of beary metal of the mature orange of harvest is lower, and micro- higher, mouthfeel is also more preferable, and after
In the fertilising step of phase, the fertilizer amount used is also lower, has good economic benefit.
Embodiment 2:
For the present embodiment on the basis of embodiment 1, the raw material of the organic fertilizer includes following component by weight percentage:
Cattle manure:25-45%, milk cow urine 10-30%, grass stalk 25-50% and complex micro organism fungicide 0.05-0.2%, wherein compound
Microbial bacterial agent includes a kind of or its mixed bacteria combination in mould, bacillus, lactic acid bacteria, actinomyces and saccharomycete
Thing.Specially:Organic fat raw material includes following component by weight percentage:Cattle manure:35Kg, milk cow urine 20Kg, straw
Bar 44.9Kg and complex micro organism fungicide 0.1Kg.
Content of beary metal in the cattle manure used in the present embodiment and milk cow urine is extremely low, and trace element is abundant, uses
Its manufactured organic fertilizer content of beary metal is low, and planting fertile fruit using above-mentioned organic fertilizer is substantially free of heavy metal, ensure that fruit
Safety and the essential trace elements of the human body;The specific preparation method of organic fertilizer is:It is nodular that grass stalk pulverizer, which is crushed,
Or after filiform, after the cattle manure mixed and milk cow urine sprinkling up, complex micro organism fungicide is added, it is compound micro- by adding
Bacteria agent, the organic fertilizer beneficial to Rapid Fermentation into high quality, then after being stirred evenly with wheeled mixer, through pile, fermentation and
After multiple turning, up to the organic fertilizer.After being manured into soil due to the organic fertilizer using Filamentous or nodular bar grass, it can be formed very much
Hole, be more advantageous to the air circulation of root soil, further improve the gas permeability and the feature of environmental protection of planting site soil, effectively carry
The yield and quality of high citrus;
The organic fertilizer used in the present embodiment can also use the Chinese patent Shen of Application No. CN201510063747.6
Please (applicant:Zhe Shu developments in agricultural science and technology Co., Ltd of Chongqing City) disclosed in organic fertilizer, which includes following weight hundred
Divide the raw material of ratio:Animal excreta 10-20%, animal urine 30-45%, a variety of bar grass are independent or mix 40-45% and core material
0.05-0.2%, wherein, animal excreta is cow dung or pig manure, and the animal urine is urinated for ox or pig urine, and the core material is withered grass
Bacillus and bacillus licheniformis.
In another preferred solution of the present embodiment, full N, P, K nutrient content >=4wt% of organic fertilizer, organic matter
Content >=60wt%, in organic fertilizer organic matter number directly influence the improved effect and fertility increase journey of planting site soil
Whether degree, the fertility that the content of N, P, K directly affects planting site soil meet nutritional need and stabilization needed for Ci trus growth
The stability of planting site soil.
Embodiment 3:
The present embodiment is applied on the basis of above-described embodiment 1 or embodiment 2 in the step 2), step 3) and step 6)
, it is necessary to combine watering when fertile, water every three days once, irrigation amount, which is subject to, gos deep into soil layer 30-50cm, and continuous watering three times, should
Setting accelerates infiltration rate of the mandarin tree to fertilizer, and reduces the waste of fertilizer.
In a preferred solution of the present embodiment, in the step 2), step 3) and step 6) during fertilising, using ring-type
The method of ditch spread, is specially:An annular groove, furrow width 25cm, ditch depth 35-40cm are dug in crown mapping outer rim;The cricoid position
Put and moved outside with the expansion of tree crown every year.
In another preferred solution of the present embodiment, in the step 2), step 3) and step 6) during fertilising, using putting
The method for penetrating ditch spread, is specially:Centered on trunk, 5-6 bar ditch are dug along horizontal root system direction of extension, furrow width 25-35cm is deep
15-35cm, at trunk 1-1.6m, more preferably:Furrow width 30cm, deep 25cm, at trunk 1.2m, the depth of radial canal
Gradually deepen from inside to outside, interior narrow outer width, year by year rotation trench digging position.
In another preferred solution of the present embodiment, in the step 2), step 3) and step 6) during fertilising, using bar
The method of shape ditch spread, is specially:Depth 30cm, width 20cm are dug in opposite two sides of tree crown slightly external position, it is long depending on tree crown size
Dressing furrow, apply fertilizer, the position of next year strip ditch is rotated to other opposite side.
In above-mentioned three kinds of fertilization modes, the trench digging top dressing method that simultaneously earthing waters is employed, this method is further speeded up
Infiltration rate of the mandarin tree to fertilizer, reduces fertilizer waste, improves the yield and quality of citrus.
Embodiment 4:
The present embodiment on the basis of above-described embodiment 1, embodiment 2 and embodiment 3, the Phosphorus In Phosphate Fertilizer >=
30wt%, nitrogen content >=25wt% in the nitrogenous fertilizer, the setting ensure that in the whole growth course of citrus to the need of phosphorus, nitrogen
Ask, ensure that the yield and quality of citrus.
More than, it is merely preferred embodiments of the present invention, but the protection domain invented is not limited thereto, and it is any ripe
Know those skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection domain of claims.
Claims (10)
1. a kind of fertilizing method of citrus, it is characterised in that comprise the following steps:
1) deep ploughing fertilizer:After citrus picking, it is colonized in citrus orchard among row, it is 0.8m × 1.0m to excavate wide depth with Miniature digging machine
Trench, the mellow soil being excavated apart from ground 20-30cm is backfilled to the bottom of trench afterwards, when being filled to 20-30cm, paving
Hay is buried, per acre orchard dosage 400-600Kg, when pawnshop is buried to apart from ground 15-30cm, apply organic fertilizer, orchard is used per acre
200-300Kg is measured, continues to apply phosphate fertilizer afterwards, orchard dosage 40-60Kg, is finally covered trench with the raw-soil being excavated per acre
Lid is concordant to ground;
2) rudiment fertilizer:The top dressing before mandarin tree rudiment is bloomed, single plant nitrogen fertilizer application 0.25-0.3Kg, phosphate fertilizer 0.25-0.3Kg and potash fertilizer
0.2-0.3Kg;
3) the young fruit development phase:The top dressing after mandarin tree thanks to flower, single plant apply urea 0.15-0.2kg, calcium superphosphate about 0.15-
0.25kg, potassium sulfate 0.18-0.2g;
4) young fruit expanding stage:In citrus expanding stage top dressing, with the urea of 0.3wt% and the liquid manure liquid of 0.2wt% calcium superphosphate, often
Sprayed once every 10 days, continuously three times, dosage 80-120Kg per acre;
5) fruit picking fertilizer:Slightly turn green and combine to control worm spray fertilizer to each take out before maturation after bearing fruit, with 0.3wt% potassium dihydrogen phosphates and mix
Close insecticide and 0.3wt% urea mixing solutions spray tree crown;
6) fertilizer after adopting:After harvesting in 15-25 days, every plant imposes cake fertilizer 2.5-4Kg, ternary compound fertilizer 1-1.5Kg, calcium magnesium phosphate
1-1.5Kg, lime each 1-1.5Kg and potash fertilizer 0.5Kg.
2. the fertilizing method of citrus according to claim 1, it is characterised in that the step 1) hay is done for grass family
Grass, pulse family hay, one kind in cereal hay or its mixture.
3. the fertilizing method of citrus according to claim 1 or 2, it is characterised in that the raw material of the step 1) organic fertilizer
In, including one or both of trace element magnesium, sulphur, iron, manganese, boron, zinc, copper and molybdenum combination of the above thing.
4. the fertilizing method of citrus according to any one of claim 1-3, it is characterised in that the raw material of the organic fertilizer
Include following component by weight percentage:Cattle manure:25-45%, milk cow urine 10-30%, grass stalk 25-50% and compound micro-
Bacteria agent 0.05-0.2%, the complex micro organism fungicide include mould, bacillus, lactic acid bacteria, actinomyces and saccharomycete
In a kind of or its mixed bacteria composition.
5. the fertilizing method of the citrus according to any one of claim 1-4, it is characterised in that full N in the organic fertilizer,
P, K nutrient contents >=4wt%, the content of organic matter >=60wt%.
6. the fertilizing method of the citrus according to any one of claim 1-5, it is characterised in that the step 2), step
3) and in step 6) water, water every three days once, it is necessary to combine during fertilising, irrigation amount, which is subject to, gos deep into soil 30-50cm, even
Continuous watering is three times.
7. the fertilizing method of the citrus according to any one of claim 1-6, it is characterised in that the step 2), step
3) when and in step 6) applying fertilizer, using the method for ring-type ditch spread, it is specially:An annular groove, furrow width are dug in crown mapping outer rim
25cm, ditch depth 35-40cm;The cricoid position is moved outside with the expansion of tree crown every year.
8. the fertilizing method of the citrus according to any one of claim 1-6, in the step 2), step 3) and step 6)
During fertilising, using the method for radiation ditch spread, it is specially:Centered on trunk, 5-6 bar ditch, ditch are dug along horizontal root system direction of extension
Wide 25-35cm, deep 15-35cm, at trunk 1-1.6m, the depth of ditch is gradually deepened from inside to outside, interior narrow outer width, rotation year by year
Trench digging position.
9. the fertilizing method of the citrus according to any one of claim 1-6, it is characterised in that the step 2), step
3) when and in step 6) applying fertilizer, using the method for strip ditch spread, it is specially:Dug in opposite two sides of tree crown slightly external position deep
30cm, width 20cm, the long dressing furrow depending on tree crown size apply fertilizer, in addition the position of next year strip ditch is rotated to relatively
Side.
10. the fertilizing method of citrus according to claim 1, it is characterised in that the Phosphorus In Phosphate Fertilizer >=30wt%,
Nitrogen content >=25wt% in the nitrogenous fertilizer.
Priority Applications (1)
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