CN104591829A - Special fertilizer for citrus orchard garden and method for applying fertilizer once or twice every year - Google Patents
Special fertilizer for citrus orchard garden and method for applying fertilizer once or twice every year Download PDFInfo
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- CN104591829A CN104591829A CN201510008398.8A CN201510008398A CN104591829A CN 104591829 A CN104591829 A CN 104591829A CN 201510008398 A CN201510008398 A CN 201510008398A CN 104591829 A CN104591829 A CN 104591829A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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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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Abstract
The invention discloses a special fertilizer for a citrus orchard garden, and method for applying the fertilizer once or twice every year. In the special fertilizer, the total weight of nitrogen, phosphorus and potassium in an organic fertilizer takes up about 60%. The organic fertilizer can ensure that soil forms a good granular structure, improve the water retention and fertilizer retention capability of soil so as to prolong the fertilizer effect, the organic fertilizer can also provide trace elements essential to the growth and development of various citruses, and the yield and quality of citruses can be improved; the times of fertilizer application can be reduced, the labor intensity and labor cost of farmers can be lowered, the fertilizer is applied from last ten day of June to the first ten day of July every year according to the method for applying fertilizer once, and the fertilizer application is conducted once yearly about one week before the end of second physiological fruit dropping period of citruses. According to the method for applying fertilizer twice, the urea in the special fertilizer is applied from the last ten day of January to the middle ten day of the February to complete the first-time fertilizer application; the fertilizer is applied from last ten day of June to the first ten day of July, and the application of fertilizer in the special fertilizer is conducted about one week before the end of second physiological fruit dropping period of citruses to complete the second-time fertilizer application.
Description
Technical field
The present invention relates to mandarin orange planting field, particularly relate to a kind of Citrus Orchard dedicated fertilizer and the whole year thereof once, twice fertilizing method.
Background technology
The personnel worked in rural area go out in a large number, and many local soils pile is waste, carries out soil Relatively centralized, carry out mass-producing, inexorable trend that specialization, modernization, stdn are agricultural modernization development.And the policy of China is arable land, rural area genus collective ownership; soil production-related contracting plan 30 years is constant etc., and therefore the cultivated soil in rural area is when peasant is voluntary, carries out land transformation; use with compensation, mass-producing be done, soil that specialization, modernization, stdn must rent peasant.Must reduce the production management cost in unit surface under above factor effect, simultaneously with the development of science and technology, also must use advanced art, raise labour productivity, reduce production cost, this is the inevitable requirement of development in science and technology.In this context, there are the following problems in the citrus production of China: one is that China's Citrus Orchard great majority are positioned at mountain region, knob, and greatly, water and soil easily runs off the soil gradient; Two is that the fertilising of current citrus is based on quick-acting chemical fertilizer, they dissolve soon in soil, if applied once too much not only injures root system, the loss of nitrogen, potash fertilizer and phosphate fertilizer also can be caused by soil fixing, cause fertilizer waste and river, lake eutrophication, this will strengthen again the associated documents spirit of administering widespread pollution from the overuse of fertilizers and pesticides in rural area and disagree with China.
At present, the method addressed these problems is that chemical fertilizer application is taked on a small quantity repeatedly.The general annual fertilising of existing Citrus Orchard four times, concrete fertilizing method is as follows:
First time is spring fertilizer, and by the end of February to early and middle ten days in March, based on quick-acting fertilizer, azophoska rate of fertilizer application accounts for annual 30%; Second time is early and middle ten days in May, accounts for 30% of rate of fertilizer application; Third time be late June-mid-July, account for 20% of annual rate of fertilizer application; Execute an autumn fertilizer 8-9 month again, account for 20% of annual rate of fertilizer application for 4th time.And traditional fertilization is based on chemical fertilizer, fertilizer is auxiliary.Year rate of fertilizer application is mu pig urine liquid dung 2750 kilograms, 50 kilograms, urea, 30 kilograms, Repone K.
Chemical fertilizer repeatedly use exist following not enough: labour intensity and the recruitment cost being the increase in peasant, waste current civilian worker, when labor force's labor cost is risen sharply, this defect is more and more obvious; Two is apply fertilizer by the end of May can urge to take out summer shoot, causes tip fruit contradiction, increases the weight of shedding, affect output; Although three is that pig urine liquid dung rate of fertilizer application is large, water content is large, organic matter less, its N P and K effective ingredient is also not enough, can not meet the needs that citrus is produced; Four is use the problem mentioned in the first paragragh that chemical fertilizer also has in this background technology.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, one is provided to decrease chemical fertilizer ratio, improve the Citrus Orchard dedicated fertilizer of fertilizer ratio, the fertilizer efficiency of fertilizer is longer, more Soil structure can be improved, trace element needed for the growth of various citrus growth is provided, make soil fertilizer, water retention capacity strengthens, balanced in nutrition in soil, prevent because the be exceedingly fast citrus short period of time fertilizer specific absorption that causes of fertilizer efficiency is too high, and then the non-physiological fruit drop caused, ensure that citrus production and eating mouth feel, also can prevent erosion simultaneously, control causes new widespread pollution from the overuse of fertilizers and pesticides in rural area.
The present invention also aims to overcome the deficiencies in the prior art, provide based on Citrus Orchard dedicated fertilizer the whole year once, twice fertilizing method.Its reason is: one is because the fertilizer efficiency of fertilizer is longer, fertilizer application frequency can be reduced, decrease labour intensity and the recruitment cost of peasant, waste current civilian worker, when labor force's labor cost is risen sharply, this advantage is more and more obvious, early than windy weather, can also there is the effect of steady fruit and strong fruit, prevent the excessive shedding caused of wind-force in the fertilising of July simultaneously, citrus growth after ensure that the physiological fruit drop phase, grow needed for nutrition, and then ensure that the seed output and quality of citrus.
The object of the present invention is achieved like this:
In Citrus Orchard dedicated fertilizer fertilizer, nitrogen: phosphorus: potassium=1:0.5-0.8:0.8-1, wherein, substantially increase the ratio shared by fertilizer, fertilizer provides N P and K gross weight 60%, and chemical fertilizer provides remaining N P and K.Fertilizer makes soil earth form good crumb structure, improves the preserve moisture and fertility power of soil, extends its fertilizer efficiency, also can be citrus and provides various for the trace element needed for citrus growth growth, improve the yield and quality of citrus.
Preferably, in order to adapt to the soil property of the knobs such as Chongqing, nitrogen: phosphorus: the ratio of potassium adopts 1:0.625:0.875, to reach best fertilization effect.
In order to increase the proportion of N P and K and trace element, reduce the labor force required for fertilising, fertilizer of the present invention adopts dry freshly-slaughtered poultry excrement (out not adding water from chicken house), rapeseed cake, described chemical fertilizer is composite fertilizer, urea, and each constituent mass per-cent is: freshly-slaughtered poultry excrement 75-90%, composite fertilizer 3-5%, rapeseed cake 8-13%, urea 1-3%.
Preferably, in order to adapt to the soil property of the knobs such as Chongqing, the mass percent of described freshly-slaughtered poultry excrement, rapeseed cake, composite fertilizer, urea is: freshly-slaughtered poultry excrement 82.8%, composite fertilizer 4.1%, rapeseed cake 10.8%, urea 2.3%, to reach best fertilization effect.After freshly-slaughtered poultry excrement and rapeseed cake ferment in proportion again with use.
Preferably, described composite fertilizer adopts mass percent to be the composite fertilizer containing N15%, P15%, K15%, and the quality of its Nitrogen-and Phosphorus-containing potassium is moderate, is beneficial to plant absorption.
According to the annual single-dose application method of above-mentioned Citrus Orchard dedicated fertilizer, described annual single-dose application method is:
In late June to early July, apply fertilizer about the citrus second time physiological fruit drop phase terminates the last week, annual fertilising once.
Present method is mainly applicable to the higher soil of soil organic matter content, in the labour intensity reducing peasant and recruitment cost, to ensure growth, the growth of Citrus Roots, and then ensures that citrus is more obvious to advantage in the absorption of nutrient in each fertilising stage.Can also early than windy weather in the fertilising in the first tenday period of a month in July, at the chemical fertilizer that the prerequisite confession of wind season is enough, fruit is allowed to grow fast, there is the effect of steady fruit and strong fruit, prevent the excessive shedding caused of wind-force, citrus growth after ensure that the physiological fruit drop phase, grow needed for nutrition, and then ensure that the seed output and quality of citrus.
Preferably, described Citrus Orchard every mu uses the amount of dedicated fertilizer to be 1100-1300kg, ensures the nutrition needed for citrus orchard whole year, and the improvement to soil property.
According to twice fertilizing method whole year of above-mentioned Citrus Orchard dedicated fertilizer, described annual twice fertilization method is:
Use the urea in dedicated fertilizer late January to mid-February, complete first time fertilising;
In late June to early July, terminate fertilising the last week in the citrus second time physiological fruit drop phase, to have executed in dedicated fertilizer other fertilizer, complete second time fertilising.
Twice fertilizing method whole year of Citrus Orchard dedicated fertilizer is mainly applicable to the lower soil of soil organic matter content, ensure that the nutrition supply of orange branches duration of germination, ensure the growth of Citrus Roots, growth, and then ensure citrus in each fertilising stage to the absorption of nutrient.Can also early than windy weather in the fertilising in the first tenday period of a month in July, at the chemical fertilizer that the prerequisite confession of wind season is enough, fruit is allowed to grow fast, there is the effect of steady fruit and strong fruit, prevent the excessive shedding caused of wind-force, citrus growth after ensure that the physiological fruit drop phase, grow needed for nutrition, and then ensure that the seed output and quality of citrus.
Preferably, described Citrus Orchard every mu uses the total amount of dedicated fertilizer to be 1100-1300kg.Ensure the nutrition needed for citrus orchard whole year, and the improvement to soil property.
Freshly-slaughtered poultry excrement and rapeseed cake in proportion consumption are used after carrying out thermophilic fermentation, freshly-slaughtered poultry excrement after employing thermophilic fermentation, rapeseed cake are beneficial to the Root Absorption desired nutritional of citrus, the various harmful bacterias in fertilizer, worm, worm's ovum can be killed, prevent organic matter in soil by fermentable, and then cause burning root, freshly-slaughtered poultry excrement, rapeseed cake contain various trace element, make each nutrient balance in soil, and citrus fruit is more sweet good to eat.
Owing to have employed technique scheme, the present invention has following beneficial effect:
Different seasons and phenological period citrus are to the absorbed dose difference of nutritive element, and two kinds of fertilization methods are the fertilization methods once or twice adopted after experiment and demonstration.Less to the absorption of nitrogen, phosphorus, potassium, calcium, magnesium during citrus rudiment in spring, increase along with new shoot elongation absorbs, flowering period increases the fastest, just reaches annual and inhale nitrogen peak after fruiting period; After major part fruitlet drops, the absorbed dose of nitrogen declines to some extent, but continues to increase to the absorption of phosphorus, potassium, magnesium, peaks; Time vigorous to young sprout growth next time, formed again and inhale nitrogen peak; In, late fall nitrogen absorbed dose reduce, and phosphorus, potassium absorb amount continue raise, be annual peak to late fall.In a word, nitrogen, potassium absorbed all in a large number in young sprout phase, florescence, fruit phase.Nitrogen absorbs more with young sprout, and potassium absorbs more with fruit expanding period, and phosphorus is in bud differentiation to blooming and the fruitlet phase, and magnesium absorbs more in the fruitlet phase.It is very large that soil temperature absorbs nutritive element impact to citrus, large from pliotherm period absorbed dose in late spring to autumn, and to the time of the year when autumn changes into winter still suitable component of beautiful receipts, winter is annual absorbed dose minimum period; In Hechuan District, Chongqing City, Citrus Roots be vegetative period Spring leaf turn green after have dry season the middle ten days and the last ten days to July before, it is first peak period of annual growth, second peak is before and after the last ten-days period in September to the Beginning of Winter, nutrition then and reproductive growth are determined in first root growth peak period, are need the most polyauxotrophic period during this.In a word, the nutrient uptake feature of bearing-age tree is: spring, autumn, summer, winter were sent out based on phosphorus, potassium based on nitrogen; This law formulates rate of fertilizer application according to when annual bearing situation, and the amount of this law is the output of the calculation by per mu yield 3 tons of citrus foldings, carries out adding few subtracting.After rate of fertilizer application is determined, the fertilization method once or twice adopted because recruitment is nervous, labor force's labor cost is high.This method is adopted to be about citrus second time physiological fruit drop the last week at the beginning of by the end of June to 7 month, during this just before the arid of plum rains end, at this moment use this ratio fertilizer, nutrients help meets the needs that the fruit of citrus is then expanded, also because fertilizer fertilizer efficiency is long, there are enough nutrients for bud differentiation.
The advantage of these two kinds of fertilization methods is more traditional executes four fertilising saving recruitment costs, and this is few certain rural laborer, the situation of recruitment pay rise, reduces Citrus Orchard handling cost and has great importance.Single-dose application method is identical with traditional method with the technology such as circular trench manuring earth backing of opening below drip involved by twice fertilization method, if do not adopt mechanize or semi-mechanization to execute (as with natural pond liquid, electric motor, water pipe etc.), and adopt artificial single-dose application every mu escapable cost 720 yuan, twice fertilization method every mu of escapable cost 480 yuan.Employing mechanize or semi-mechanization are executed and can save corresponding cost equally.
The cost compare of economic cost analysis and traditional fertilization, single-dose application, twice fertilising
Traditional fertilization cost: the whole year is totally four fertilisings, every mu of each fertilising needs 2 works, each work 120 yuan.Annual fertilising needs money paid for odd jobs 960 yuan altogether.
Single fertilization: the whole year only executes disposable fertilizer, every mu of annual fertilising only needs money paid for odd jobs 240 yuan.
Every mu of single fertilization more every mu of traditional fertilization pays 720 yuan less.
Twice property fertilizing method: annual twice fertilising recruitment is 480 yuan, and comparatively traditional fertilization pays 480 yuan less.
Mu, with farm manure (i.e. freshly-slaughtered poultry excrement), 120 yuan per ton, adds freight charges subtotal 160 yuan; The composite fertilizer of 45% (N:P:K=15) 50 kilograms, per kilogram 1.8 yuan, subtotal 90 yuan; Rapeseed cake per kilogram 2 yuan, 130 kilograms of subtotals 260 yuan; 28 kilograms, urea, per kilogram 2 yuan, subtotal 56 yuan.Mu fertilizers input is 566 yuan.
The Yield compari@of traditional fertilization, single-dose application and twice fertilising
According to this society in recent years 167 mu of Demonstration Garden demonstrations, and establish 30 mu of traditional fertilization fertilizing methods, 30 mu of traditional fertilization per mu yields are 3281 kilograms, and twice fertilising is 3662 kilograms.
Through this society, Citrus Orchard is put into practice for many years, and twice property fertilising and its per mu yield of single fertilization are all at about 3 tons, and yield and quality is without significance difference.
Applying fertilizer originally in this garden is four fertilisings, by being improved to twice fertilising, then changes single-dose application on twice fertilising basis; and carried out experiment and demonstration practice for many years; this technology moves to maturity, and it effectively can solve the problem of mass-producing Citrus Orchard labor force anxiety, reduces production cost.
According to this society 2011-2014 experiment and demonstration, and establish 30 mu of traditional fertilization fertilizing methods, 30 mu of traditional fertilization per mu yields are 3281 kilograms, and the fertilising of twice property is 3662 kilograms, and single fertilization is 3652 kilograms, wherein single fertilization and twice property fertilising volume variance little.
Each fertilizer effective content
Traditional fertilization
2750 kilograms of its NPK of people and animals' fecaluria get intermediate value (N=0.50, P=0.2, K=0.4), its N=13.75 kilogram, P=5.5 kilogram, K=11 kilogram; Urea 28 kilograms of its N are 12.88 kilograms; Repone K 30 kilograms of its K are 18 kilograms.Its NPK of traditional fertilization should be respectively N26.63 kilogram, P5.5 kilogram, K29 kilogram.
Disposable or twice fertilising
50 kilograms of its NPK of composite fertilizer are respectively 7.5 kilograms, 7.5 kilograms, 7.5 kilograms; 130 kilograms of its NPK of oil cake are respectively 5.98 kilograms, 3.224 kilograms, 1.82 kilograms; 1 ton of dried poultrymanure NPK is 16.3 kilograms, 15.4 kilograms, 8.5 kilograms; The N of 28 kilograms of urea is 12.88 kilograms.NPK that is disposable or twice fertilising should be respectively 42.66 kilograms, 26.124 jin, 17.82 kilograms.
The present invention one make use of domestic and international citrus expert to coach to the theory that citrus applies fertilizer, if Agricultural in Chongqing office expert is in the achievement of " Chongqing City's citrus administrative manual " P18 in 2003, also utilize the theory that the Soil Thermal theory of mechanics of former Agricultural University Of Southwest Prof. Hou Guangjiong and other soil expert act in soil about organic matter, the innovation of the method for applying fertilizer on oranges carried out according to local climate condition in practice.The innovative point of this law utilizes the soil organism can improve water-retention fertilizer ability, and citrus is needed amount and the various trace elements of NPK main nutrient elements, and in conjunction with the fertile NPK content of chicken manure with when being rich in various trace elements, carry out the innovation of fertilization mode.
Embodiment
Below by embodiment, the present invention is further described specifically.
A preferred embodiment for Citrus Orchard dedicated fertilizer,
In Citrus Orchard dedicated fertilizer fertilizer, nitrogen: phosphorus: potassium=1:0.5-0.8:0.8-1, wherein, substantially increase the ratio shared by fertilizer, fertilizer provides 60% of N P and K gross weight, and chemical fertilizer provides remaining N P and K.
In order to adapt to the soil property of the knobs such as Chongqing, preferably, nitrogen: phosphorus: the ratio of potassium adopts 1:0.625:0.875, to reach best fertilization effect.
In order to increase the proportion of N P and K and trace element, reduce the labor force required for fertilising, freshly-slaughtered poultry excrement, rapeseed cake that fertilizer of the present invention refers to, described chemical fertilizer is composite fertilizer, urea, and each constituent mass per-cent is: freshly-slaughtered poultry excrement 75-90%, composite fertilizer 3-5%, rapeseed cake 8-13%, urea 1-3%.
Preferably, in order to adapt to the soil property of the knobs such as Chongqing, the mass percent of described freshly-slaughtered poultry excrement, rapeseed cake, composite fertilizer, urea is: freshly-slaughtered poultry excrement 82.8%, composite fertilizer 4.1%, rapeseed cake 10.8%, urea 2.3%, to reach best fertilization effect.After freshly-slaughtered poultry excrement and rapeseed cake ferment in proportion again with use.
In the present embodiment, freshly-slaughtered poultry excrement adopts by Wanyuan, the Chongqing birds, beasts and eggs company limited of Organic Food Attestation that " " 1 ton, the freshly-slaughtered poultry excrement in poulty house, in its freshly-slaughtered poultry excrement, nutritive element content is horn of plenty more, and the objectionable impurities that should limit in not producing containing agricultural-food for stone bifurcation board.
The freshly-slaughtered poultry excrement of this law and rapeseed cake be on request ratio in pond through fermentation after use.
Preferably, described composite fertilizer adopts mass percent to be the composite fertilizer containing N15%, P15%, K15%, and the quality of its Nitrogen-and Phosphorus-containing potassium is moderate, is both beneficial to plant absorption.
Based on the preferred embodiment of the annual single-dose application method of above-mentioned Citrus Orchard dedicated fertilizer, described annual single-dose application method is:
In late June to early July, terminate fertilising the last week in the citrus second time physiological fruit drop phase, wherein morning, sweet orange and shaddock are placed in the middle partially, Pon tangerine is partially late for tangerine orange, and annual fertilising once.
Preferably, described Citrus Orchard every mu uses the amount of dedicated fertilizer to be 1100-1300kg, ensures the nutrition needed for citrus orchard whole year, and the improvement to soil property.In the present embodiment, the strain of every mu of adult citrus trees 56, rate of fertilizer application be year the amount of mu dedicated fertilizer be 1208kg.
Present method is mainly applicable to the higher soil of soil organic matter content, in the labour intensity reducing peasant and recruitment cost, to ensure growth, the growth of Citrus Roots, and then ensures that citrus is more obvious to advantage in the absorption of nutrient in each fertilising stage.Can also early than windy weather in the fertilising in the first tenday period of a month in July, at the chemical fertilizer that the prerequisite confession of wind season is enough, fruit is allowed to grow fast, there is the effect of steady fruit and strong fruit, prevent the excessive shedding caused of wind-force, citrus growth after ensure that the physiological fruit drop phase, grow needed for nutrition, and then ensure that the yield and quality of citrus.
Based on above-mentioned Citrus Orchard dedicated fertilizer the whole year twice fertilizing method preferred embodiment, described annual twice fertilization method is:
Use the urea in dedicated fertilizer late January to mid-February, complete first time fertilising, this period is around the Spring Festival, conveniently employs labor force and completes fertilising process;
In late June to early July, terminate fertilising the last week in the citrus second time physiological fruit drop phase, wherein morning, sweet orange and shaddock are placed in the middle partially, Pon tangerine is partially late for tangerine orange.To execute in dedicated fertilizer other fertilizer, complete second time fertilising.
Preferably, described Citrus Orchard every mu uses the total amount of dedicated fertilizer to be 1100-1300kg.Ensure the nutrition needed for citrus orchard whole year, and the improvement to soil property.In the present embodiment, the strain of every mu of adult citrus trees 56, rate of fertilizer application be year the amount of mu dedicated fertilizer be 1208kg.
Twice fertilizing method whole year of Citrus Orchard dedicated fertilizer is mainly applicable to the lower soil of soil organic matter content, ensures the growth of Citrus Roots, growth, and then ensures citrus in each fertilising stage to the absorption of nutrient.Can also early than windy weather in the fertilising of July, at the chemical fertilizer that the prerequisite confession of wind season is enough, fruit is allowed to grow fast, there is the effect of steady fruit and strong fruit, prevent the excessive shedding caused of wind-force, citrus growth after ensure that the physiological fruit drop phase, grow needed for nutrition, and then ensure that the seed output and quality of citrus.
Single-dose application of the present invention and twice fertilising all take opens annular groove along tree crown drip, its ditch depth, wide 20 cm, earth backing after fertilising.
What finally illustrate is, above preferred embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by above preferred embodiment to invention has been detailed description, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from claims of the present invention limited range.
Claims (9)
1. general Citrus Orchard dedicated fertilizer, the ratio of its nitrogen (N), phosphorus (P), potassium (K) is nitrogen: phosphorus: potassium=1:0.5-0.8:0.8-1
Wherein, fertilizer provides N P and K gross weight 60%, and chemical fertilizer provides remaining N P and K.
2. a kind of Citrus Orchard dedicated fertilizer according to claim 1, is characterized in that, nitrogen: phosphorus: potassium=1:0.625:0.875.
3. a kind of Citrus Orchard dedicated fertilizer according to claim 1, is characterized in that, described fertilizer is dry freshly-slaughtered poultry excrement, rapeseed cake, and described chemical fertilizer is composite fertilizer, urea,
Each constituent mass per-cent is:
Freshly-slaughtered poultry excrement 75-90%, composite fertilizer 3-5%, rapeseed cake 8-13%, urea 1-3%.
4. a kind of Citrus Orchard dedicated fertilizer according to claim 3, is characterized in that, the mass percent of described freshly-slaughtered poultry excrement, rapeseed cake, composite fertilizer, urea is:
Freshly-slaughtered poultry excrement 82.8%, composite fertilizer 4.1%, rapeseed cake 10.8%, urea 2.3%.
5. a kind of Citrus Orchard dedicated fertilizer according to claim 3, is characterized in that: described composite fertilizer adopts mass percent to be the composite fertilizer containing N15%, P15%, K15%.
6., according to the annual single-dose application method of the arbitrary described a kind of Citrus Orchard dedicated fertilizer of claim 1 to 5, it is characterized in that, described annual single-dose application method is:
In late June to early July, terminate fertilising the last week in the citrus second time physiological fruit drop phase, annual fertilising once.
7. the annual single-dose application method of a kind of Citrus Orchard dedicated fertilizer according to claim 6, is characterized in that: described Citrus Orchard every mu uses the amount of dedicated fertilizer to be 1100-1300kg.
8., according to twice fertilizing method whole year of the arbitrary described a kind of Citrus Orchard dedicated fertilizer of claim 3 to 5, it is characterized in that, described annual twice fertilization method is:
Use the urea in dedicated fertilizer late January to mid-February, complete first time fertilising;
In late June to early July, terminate fertilising the last week in the citrus second time physiological fruit drop phase, to have executed in dedicated fertilizer other fertilizer, complete second time fertilising.
9. twice fertilizing method whole year of a kind of Citrus Orchard dedicated fertilizer according to claim 8, is characterized in that: described Citrus Orchard every mu uses the total amount of dedicated fertilizer to be 1100-1300kg.
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| CN104892316A (en) * | 2015-05-29 | 2015-09-09 | 洋县益民绿色农业科技有限责任公司 | Preparation method of special biofertilizer for citrus |
| CN105130700A (en) * | 2015-08-04 | 2015-12-09 | 侯期任 | Orange dedicated compound fertilizer and preparation method thereof |
| CN106561138A (en) * | 2016-11-15 | 2017-04-19 | 韦声荣 | Fertilizer application method for smooth-peel kumquats |
| CN111527976A (en) * | 2020-06-19 | 2020-08-14 | 华中农业大学 | Water and fertilizer integrated fertilization method for improving quality of citrus |
| CN111527976B (en) * | 2020-06-19 | 2022-04-15 | 华中农业大学 | Water and fertilizer integrated fertilization method for improving quality of citrus |
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