CN108012746B - Key planting method for improving yield of blueberries - Google Patents

Key planting method for improving yield of blueberries Download PDF

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CN108012746B
CN108012746B CN201711443147.8A CN201711443147A CN108012746B CN 108012746 B CN108012746 B CN 108012746B CN 201711443147 A CN201711443147 A CN 201711443147A CN 108012746 B CN108012746 B CN 108012746B
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fertilizer
percent
equal
organic fertilizer
blueberry
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CN108012746A (en
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钱荣青
吕艳玲
沐婵
杨绍聪
黄莲英
姚照兵
张钟
张艳军
蔡述江
李泉清
林姣姣
胡选江
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Yuxi Academy of Agricultural Sciences
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G17/00Cultivation of hops, vines, fruit trees, or like trees
    • A01G17/005Cultivation methods
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C21/00Methods of fertilising, sowing or planting
    • A01C21/005Following a specific plan, e.g. pattern
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05DINORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D9/00Other inorganic fertilisers
    • C05D9/02Other inorganic fertilisers containing trace elements
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F11/00Other organic fertilisers
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G1/00Mixtures of fertilisers belonging individually to different subclasses of C05

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  • Chemical & Material Sciences (AREA)
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Abstract

The invention relates to the field of blueberry planting, in particular to a key planting method for improving blueberry yield. A key planting method for improving yield of blueberries comprises the following steps: A. adjusting the pH value of rhizosphere soil; B. reasonably distributing and applying special fertilizer; C. applying a micro-fertilizer; D. organic potassium is sprayed on the leaf surfaces. The method can adjust the pH value of the blueberry rhizosphere soil and scientifically fertilize. The fruit yield and the output value of the invention are obviously improved compared with the yield and the output value of the conventional planting method.

Description

Key planting method for improving yield of blueberries
Technical Field
The invention relates to the field of blueberry planting, in particular to a key planting method for improving blueberry yield.
Background
Blueberry (Blueberry), means blue berry. One is low shrub, dwarf wild, small in particle, but high in anthocyanin content; the second is artificially cultured blueberry which can grow to 240cm high, has larger fruits, more water and relatively lower anthocyanin content. The blueberry fruit contains rich nutrient components, has good nutrition and health care effects, and also has the functions of preventing cranial nerve aging, strengthening heart, resisting cancer, softening blood vessels, enhancing human body immunity and the like.
The blueberry has extremely strict requirements on the rhizosphere soil environment condition, the rhizosphere environment for blueberry growth is obviously changed along with the increase of the planting age, and meanwhile, the problems of abnormal blueberry growth, yellowing of plant leaves and other physiological diseases are caused due to the lack of related cultivation and management technologies, so that the fruit yield and the fruit quality are influenced.
Chinese patent publication No.: CN107135882A discloses a blueberry planting method, which comprises the following steps: firstly, selecting a land with a soil pH value of 4-6 and without water accumulation; deeply ploughing for 30-35 cm, and ridging on the deeply ploughed land; uniformly mixing planting materials into a soil layer with the thickness of 0-25 cm on the upper layer of the ridge, wherein the volume ratio of the planting materials to the soil layer is 1.5-3: 1; thirdly, planting blueberry seedlings on the ridges, wherein the row spacing between blueberry plants is 60-90 cm, the row spacing between blueberry plants is 110-130 cm, and watering root fixing water for the planted blueberry plants; applying an organic fertilizer to the blueberry plants before the blueberry plants germinate every year after field planting, wherein the organic fertilizer comprises the raw materials of cow dung, vinasse, ferment bacteria, sulfur powder and oil cakes; after planting, keeping the water content of the soil to be 20-25%; spraying a nutrient solution to the blueberry plants every 1-2 months, wherein the nutrient solution comprises biogas slurry, vinegar residue solution, an iron solution and a borax solution; and fifthly, paying attention to the daily management of the blueberry plants. By adopting the method to plant the blueberry plants, the produced blueberry plants have high nutrient content and high yield.
But it has requirements on the pH of the soil in the cultivated land.
Disclosure of Invention
The key planting method for improving the yield of the blueberries can adjust the pH value of the rhizosphere soil of the blueberries and scientifically fertilize the soil. The fruit yield and the output value of the invention are obviously improved compared with the yield and the output value of the conventional planting method.
The technical scheme adopted by the invention is as follows:
a key planting method for improving yield of blueberries comprises the following steps:
A. adjusting the pH value of rhizosphere soil: when the pH value of the soil is more than 5.2, the pH value needs to be adjusted, and 1-2kg of acidic microbial organic fertilizer and 5-10kg of common organic fertilizer are applied to each plant; the acidic microbial organic fertilizer comprises the following components: n + P2O5+K2O≥5.0%,Organic matter is more than or equal to 45 percent, pH is as follows: 2.5-4.0;
B. reasonably distributing and applying special fertilizer: before flowering and fruiting, the early-stage blueberry special fertilizer is adopted, and the fertilizer dosage is calculated according to the application of 1.3-2.2 g of N for each plant every time; in the flowering and fruiting period, the later-stage blueberry special fertilizer is adopted, and the fertilizer dosage is calculated according to the application of 1.1-1.8 g of N for each plant each time; 8-10 g of full water-soluble organic fertilizer is applied once every 20-30 days; the early blueberry special fertilizer N: p2O5:K2The O ratio is 1: 0.8-1: 0.7-1, wherein the content of ammonium nitrogen in the total nitrogen is more than or equal to 60 percent; the later-stage blueberry special fertilizer N: p2O5:K2The O ratio is 1: 0.5-0.7: 1.3-1.6, wherein the ammonium nitrogen accounts for more than or equal to 60 percent of the total nitrogen content; the full water-soluble organic fertilizer N + P2O5+K2O is more than or equal to 10.0 percent, the total water-soluble organic matter is more than or equal to 60 percent, and the total water-soluble humic acid is more than or equal to 30 percent;
C. application of trace element fertilizer
a. Iron chelate: for brilliant varieties, which are easy to cause iron deficiency yellowing, applying rhizosphere soil and leaf surfaces by adopting 400 times of liquid of chelated iron, wherein the content of Fe in the chelated iron is 8 percent, the soil is applied for 2-4 times, and the dosage of each plant is 2-3L; spraying 3-5 times on leaf surface before initial flowering, wherein the dosage per mu is 60L; other varieties are applied for a proper time;
b. b, boron fertilizer: selecting Baruide, wherein the pure B content is more than or equal to 18 percent, 50 g of water is added into 60 kg per mu, and the Baruide is sprayed on the leaf surfaces of the leaves for 2 to 3 times in the flowering and fruiting period, and the interval between every two times is 7 to 10 days;
D. organic potassium is sprayed on the leaves
Spraying 100 g of organic potassium and 60 kg of water to the leaf surfaces of each mu for 3-5 times at intervals of 7-10 days in the flowering and fruiting period; the foliage spraying organic potassium K2The content of O is more than or equal to 25.0 percent, and the content of organic matters is more than or equal to 25.0 percent.
The application method of the acid microbial organic fertilizer and the common organic fertilizer comprises the steps of applying the acid microbial organic fertilizer and the common organic fertilizer to a pond before transplanting, fully and uniformly mixing, then planting or ditching and annularly applying the acid microbial organic fertilizer and the common organic fertilizer around plants and covering soil.
Advantageous effects
1. The fruit yield and the output value of the invention are obviously improved compared with the yield and the output value of the conventional planting method.
2. The yield per mu of the invention is 63.1-909.3 kg, the average is 397.7 kg, the net yield per mu is 6188.5-62854.7 yuan, and the average is 26610.1 yuan; the yield per mu of the conventional planting method is 11.1-677.2 kg, the average is 315.6 kg, the net yield per mu is 965.2-46487.0 yuan, and the average is 19384.5 yuan. The yield per mu of the method is increased by 18.5-232.0 kg, the average yield per mu is increased by 82.1 kg, the amplification is 7.2-466.5 percent and the average yield per mu is increased by 26.0 percent compared with the yield per mu of the conventional planting method; the net output per mu is increased by 1230.8-20867.3 yuan, the average yield is increased by 7225.6 yuan, the amplification is 9.7-541.1%, and the average amplification is 37.3%.
3. The invention adopts the acidic microbial organic fertilizer, and can adjust the pH value of rhizosphere soil of blueberry plants.
4. The invention adopts reasonable application of the special fertilizer for the blueberries and the full water-soluble organic fertilizer, and can ensure the nutritional requirements of the blueberry plants.
5. According to the invention, the chelated iron is applied in time, so that the content of effective iron in soil and iron in leaves can be increased, and the nutritional requirement of blueberry plants can be ensured.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
Example 1
And performing a same-field comparison test of the key planting method of the flourishing blueberry variety and the conventional planting method in the Hongta area Maqiao in 2017. Selecting blueberry fields with the area not less than 1 mu in the field, wherein one half is a key planting method, and the other half is a conventional planting method.
A key planting method for improving yield of blueberries comprises the following steps:
A. adjusting the pH value of rhizosphere soil: the pH value of rhizosphere soil is =5.05, the pH value is not more than 5.2, and the pH value is not required to be adjusted;
B. reasonably distributing and applying special fertilizer: before flowering and fruiting, the early-stage blueberry special fertilizer is adopted, and the fertilizer dosage is calculated according to the application of 1.3 g of N for each plant every time; in the flowering and fruiting period, a later-stage blueberry special fertilizer is adopted, and the amount of the fertilizer is calculated according to the application of 1.1 g of N to each plant every time; 8 g of full water-soluble organic fertilizer is applied once every 20 days; the early blueberry special fertilizer N: p2O5:K2The O ratio is 1: 0.8: 0.7, ammonium nitrogen accounts for more than or equal to 60 percent of the total nitrogen content; the later-stage blueberry special fertilizer N: p2O5:K2The O ratio is 1: 0.5: 1.3, ammonium nitrogen accounts for more than or equal to 60 percent of the total nitrogen content; the full water-soluble organic fertilizer N + P2O5+K2O is more than or equal to 10.0 percent, the total water-soluble organic matter is more than or equal to 60 percent, and the total water-soluble humic acid is more than or equal to 30 percent;
C. application of trace element fertilizer
a. Iron chelate: applying rhizosphere soil and leaf surfaces by adopting 400 times of solution of chelated iron, wherein the content of Fe in the chelated iron is 8%, the soil is applied for 2 times, and the dosage of each plant is 2L; spraying the foliage for 3 times before the initial bloom, wherein the dosage per mu is 60L;
b. b, boron fertilizer: selecting Baruide, wherein the pure B content is more than or equal to 18 percent, 50 grams of water and 60 kilograms of water are sprayed on the leaf surfaces of leaves in the flowering and fruiting period for 2 times per mu, and the interval of each time is 10 days;
D. organic potassium is sprayed on the leaves
100 g of organic potassium and 60 kg of water are sprayed on the leaf surfaces of each mu of the plant for 3 times at intervals of 10 days in the flowering and fruiting period; the foliage spraying organic potassium K2The content of O is more than or equal to 25.0 percent, and the content of organic matters is more than or equal to 25.0 percent.
The application method of the acidic microbial organic fertilizer and the common organic fertilizer is to apply the acidic microbial organic fertilizer and the common organic fertilizer in a pond before transplanting, fully and uniformly mix the acidic microbial organic fertilizer and the common organic fertilizer and then fix the acidic microbial organic fertilizer.
Yield and output value comparison of key planting method of flourishing blueberry variety and conventional planting method
Figure 234890DEST_PATH_IMAGE002
The results of the flourishing variety test carried out in the Hongta area Maqiao in 2017 years show that the fruit yield of the key planting method is 63.1 kg/mu, which is 52 kg higher than that of the conventional planting method, and the yield is 466.5%.
Example 2
In 2017, a same-field comparison test of a key planting method and a conventional planting method of 2 groups of ruby varieties of blueberries is carried out in cross horses and left sides in Chengjiang county. Selecting blueberry fields with the area not less than 1 mu in the field, wherein one half is a key planting method, and the other half is a conventional planting method.
A key planting method for improving yield of blueberries comprises the following steps:
A. adjusting the pH value of rhizosphere soil: the pH value of rhizosphere soil is =5.3, when the pH value is more than 5.2, the pH value needs to be adjusted, and 1kg of acidic microbial organic fertilizer and 5kg of common organic fertilizer are applied to each plant; the acidic microbial organic fertilizer comprises the following components: n + P2O5+K2O is more than or equal to 5.0 percent, organic matter is more than or equal to 45 percent, pH is as follows: 2.5-4.0;
B. reasonably distributing and applying special fertilizer: before flowering and fruiting, the early-stage blueberry special fertilizer is adopted, and the fertilizer dosage is calculated according to the application of 1.53 g of N for each plant every time; in the flowering and fruiting period, a later-stage blueberry special fertilizer is adopted, and the amount of the fertilizer is calculated according to the application of 1.3 g of N to each plant every time; 8.5 g of full water-soluble organic fertilizer is applied once every 23 days; the early blueberry special fertilizer N: p2O5:K2The O ratio is 1: 0.85: 0.78, ammonium nitrogen accounts for more than or equal to 60 percent of the total nitrogen content; the later-stage blueberry special fertilizer N: p2O5:K2The O ratio is 1: 0.55: 1.38, the content of ammonium nitrogen in the total nitrogen is more than or equal to 60 percent; the full water-soluble organic fertilizer N + P2O5+K2O is more than or equal to 10.0 percent, the total water-soluble organic matter is more than or equal to 60 percent, and the total water-soluble humic acid is more than or equal to 30 percent;
C. application of trace element fertilizer
a. Iron chelate: applying rhizosphere soil and leaf surfaces by adopting 400 times of solution of chelated iron, wherein the content of Fe in the chelated iron is 8%, the soil is applied for 2 times, and the dosage of each plant is 2.25L; spraying the foliage for 3 times before the initial bloom, wherein the dosage per mu is 60L;
b. b, boron fertilizer: selecting Baruide, wherein the pure B content is more than or equal to 18 percent, 50 grams of water and 60 kilograms of water are sprayed on the leaf surfaces of leaves in the flowering and fruiting period for 2 times per mu, and the interval of each time is 9 days;
D. organic potassium is sprayed on the leaves
100 g of organic potassium and 60 kg of water are sprayed on the leaf surfaces of each mu of the plant for 3 times at intervals of 9 days in the flowering and fruiting period; the foliage spraying organic potassium K2The content of O is more than or equal to 25.0 percent, and the content of organic matters is more than or equal to 25.0 percent.
The application method of the acidic microbial organic fertilizer and the common organic fertilizer is to apply the acidic microbial organic fertilizer and the common organic fertilizer in a pond before transplanting, fully and uniformly mix the acidic microbial organic fertilizer and the common organic fertilizer and then fix the acidic microbial organic fertilizer.
Compared with conventional planting methods, yield and output value of key planting method of blueberry emerald variety in Chengjiang county are
Figure 965080DEST_PATH_IMAGE004
Compared with conventional planting methods, the key planting method for blueberry emerald variety has the advantages that the yield and the output value are higher in Chengjiang county
Figure 620183DEST_PATH_IMAGE006
The 2 groups of emerald variety test results performed in Chengjiang county in 2017 years show that the fruit yield of the key planting method is 69.9 kg/mu and 268.4 kg/mu respectively, the yield is increased by 26.8 kg/mu and 68.3 kg/mu respectively compared with 43.1 kg/mu and 200.1 kg/mu of the conventional planting method, and the yield increase rate reaches 62.1% and 34.1% respectively.
Example 3
The same-field comparison test of the key planting method of the 2 groups of the rex madder varieties blueberry and the conventional planting method is carried out in the right place and the left place of Chengjiang county in 2017. Selecting blueberry fields with the area not less than 1 mu in the field, wherein one half is a key planting method, and the other half is a conventional planting method.
A key planting method for improving yield of blueberries comprises the following steps:
A. adjusting the pH value of rhizosphere soil: the pH value of rhizosphere soil is =5.5, the pH value is required to be adjusted when the pH value is more than 5.2, and 1.3kg of acidic microbial organic fertilizer and 6.7kg of common organic fertilizer are applied to each plant; the acidic microbial organic fertilizer comprises the following components: n + P2O5+K2O is more than or equal to 5.0 percent, organic matter is more than or equal to 45 percent, pH is as follows: 2.5-4.0;
B. reasonably distributing and applying special fertilizer: before flowering and fruiting, the early-stage blueberry special fertilizer is adopted, and the fertilizer dosage is calculated according to the application of 1.75 g of N for each plant every time; in the flowering and fruiting period, a later-stage blueberry special fertilizer is adopted, and the amount of the fertilizer is calculated according to the application of 1.45 g of N to each plant every time; 9 g of full water-soluble organic fertilizer is applied once every 25 days; the early blueberry special fertilizer N: p2O5:K2The O ratio is 1: 0.9: 0.85 percent, wherein the content of ammonium nitrogen in the total nitrogen is more than or equal to 60 percent; the later stage blueberry is specially usedAnd (3) applying a fertilizer N: p2O5:K2The O ratio is 0.6: 1.45, the content of ammonium nitrogen in the total nitrogen is more than or equal to 60 percent; the full water-soluble organic fertilizer N + P2O5+K2O is more than or equal to 10.0 percent, the total water-soluble organic matter is more than or equal to 60 percent, and the total water-soluble humic acid is more than or equal to 30 percent;
C. application of trace element fertilizer
a. Iron chelate: applying rhizosphere soil and leaf surfaces by adopting 400 times of solution of chelated iron, wherein the content of Fe in the chelated iron is 8%, the soil is applied for 3 times, and the dosage of each plant is 2.5L; spraying the foliage for 4 times before the initial bloom, wherein the dosage per mu is 60L;
b. b, boron fertilizer: selecting Baruide, wherein the pure B content is more than or equal to 18 percent, 50 grams of water and 60 kilograms of water are sprayed on the leaf surfaces of leaves in the flowering and fruiting period for 3 times per mu, and the interval of each time is 9 days;
D. organic potassium is sprayed on the leaves
100 g of organic potassium and 60 kg of water are used for spraying on leaf surfaces of each mu for 4 times in the flowering and fruiting period, and the interval between every two times is 9 days; the foliage spraying organic potassium K2The content of O is more than or equal to 25.0 percent, and the content of organic matters is more than or equal to 25.0 percent.
The application method of the acidic microbial organic fertilizer and the common organic fertilizer comprises ditching and annular applying around plants and covering soil.
Compared with the conventional planting method, the key planting method of the blueberry lykemada variety has the advantages that the yield and the output value are higher in the right place of Chengjiang county
Figure 769055DEST_PATH_IMAGE008
Compared with the conventional planting method, the key planting method of the blueberry lykemada variety has the advantages that the yield and the output value are higher in Chengjiang county
Figure 521110DEST_PATH_IMAGE010
The 2 groups of the rex madder variety test results carried out in Chengjiang county in 2017 indicate that the fruit yield of the key planting method is respectively 158.5 kg/mu and 909.3 kg/mu, the yield is respectively increased by 18.5 kg/mu and 232.0 kg/mu compared with 139.9 kg/mu and 677.2 kg/mu of the conventional planting method, and the yield increase rate respectively reaches 13.2 percent and 34.3 percent.
Example 4
The same-field comparison test of the key planting method of the Xiupulan variety blueberry and the conventional planting method is carried out in the left of Chengjiang county in 2017. Selecting blueberry fields with the area not less than 1 mu in the field, wherein one half is a key planting method, and the other half is a conventional planting method.
A key planting method for improving yield of blueberries comprises the following steps:
A. adjusting the pH value of rhizosphere soil: the pH value of rhizosphere soil is =5.8, the pH value is required to be adjusted when the pH value is more than 5.2, and 1.7kg of acidic microbial organic fertilizer and 8.3kg of common organic fertilizer are applied to each plant; the acidic microbial organic fertilizer comprises the following components: n + P2O5+K2O is more than or equal to 5.0 percent, organic matter is more than or equal to 45 percent, pH is as follows: 2.5-4.0;
B. reasonably distributing and applying special fertilizer: before flowering and fruiting, the early-stage blueberry special fertilizer is adopted, and the fertilizer dosage is calculated according to the application of 1.98 g of N for each plant every time; in the flowering and fruiting period, the later-stage blueberry special fertilizer is adopted, and the fertilizer dosage is calculated according to the application of 1.63 g of N for each plant every time; 9.5 g of full water-soluble organic fertilizer is applied once every 28 days; the early blueberry special fertilizer N: p2O5:K2The O ratio is 1: 0.95: 0.93 percent, wherein the content of ammonium nitrogen in the total nitrogen is more than or equal to 60 percent; the later-stage blueberry special fertilizer N: p2O5:K2The O ratio is 1: 0.65: 1.53, the content of ammonium nitrogen in the total nitrogen is more than or equal to 60 percent; the full water-soluble organic fertilizer N + P2O5+K2O is more than or equal to 10.0 percent, the total water-soluble organic matter is more than or equal to 60 percent, and the total water-soluble humic acid is more than or equal to 30 percent;
C. application of trace element fertilizer
a. Iron chelate: applying rhizosphere soil and leaf surfaces by adopting 400 times of solution of chelated iron, wherein the content of Fe in the chelated iron is 8%, the soil is applied for 4 times, and the dosage of each plant is 2.75L; spraying 5 times on leaf surface before initial flowering, wherein the dosage per mu is 60L;
b. b, boron fertilizer: selecting Baruide, wherein the pure B content is more than or equal to 18 percent, 50 grams of water and 60 kilograms of water are sprayed on the leaf surfaces of leaves in the flowering and fruiting period for 3 times per mu, and the interval between every two times is 8 days;
D. organic potassium is sprayed on the leaves
100 per mu60 kg of organic potassium and water are sprayed on the leaf surfaces of the plants for 5 times in the flowering and fruiting period, and the interval is 8 days each time; the foliage spraying organic potassium K2The content of O is more than or equal to 25.0 percent, and the content of organic matters is more than or equal to 25.0 percent.
The application method of the acidic microbial organic fertilizer and the common organic fertilizer comprises the steps of ditching and annular applying around plants and covering soil.
Compared with conventional planting methods, the yield and output value of the key planting method of the blueberry Xiapulan variety are higher in Chengjiang county
Figure 218939DEST_PATH_IMAGE012
The test result of the Xiapulan variety carried out in Chengjiang county in 2017 years shows that the fruit yield of the key planting method is 685.2 kg/mu, which is 46.2 kg higher than 639.0 kg/mu of the conventional planting method, and the yield is increased by 7.2%.
Example 5
In 2016, a field comparison test of a brilliant variety blueberry key planting method and a conventional planting method is carried out in Chuxiong. Selecting blueberry fields with the area not less than 1 mu in the field, wherein one half is a key planting method, and the other half is a conventional planting method.
A key planting method for improving yield of blueberries comprises the following steps:
A. adjusting the pH value of rhizosphere soil: the pH value of rhizosphere soil is =6.0, when the pH value is more than 5.2, the pH value needs to be adjusted, and 2kg of acidic microbial organic fertilizer and 10kg of common organic fertilizer are applied to each plant; the acidic microbial organic fertilizer comprises the following components: n + P2O5+K2O is more than or equal to 5.0 percent, organic matter is more than or equal to 45 percent, pH is as follows: 2.5-4.0;
B. reasonably distributing and applying special fertilizer: before flowering and fruiting, the early-stage blueberry special fertilizer is adopted, and the fertilizer dosage is calculated according to the application of 2.2 g of N for each plant every time; in the flowering and fruiting period, a later-stage blueberry special fertilizer is adopted, and the amount of the fertilizer is calculated according to the application of 1.8 g of N to each plant every time; 10 g of full water-soluble organic fertilizer is applied once every 30 days; the early blueberry special fertilizer N: p2O5:K2The O ratio is 1: 1: 1, ammonium nitrogen accounts for more than or equal to 60 percent of the total nitrogen content; the later-stage blueberry special fertilizer N: p2O5:K2The O ratio is 1: 0.7: 1.6, ammonium nitrogen accounts for more than or equal to 60 percent of the total nitrogen content; the full water-soluble organic fertilizer N + P2O5+K2O is more than or equal to 10.0 percent, the total water-soluble organic matter is more than or equal to 60 percent, and the total water-soluble humic acid is more than or equal to 30 percent;
C. application of trace element fertilizer
a. Iron chelate: applying rhizosphere soil and leaf surfaces by adopting 400 times of solution of chelated iron, wherein the content of Fe in the chelated iron is 8%, the soil is applied for 4 times, and the dosage of each plant is 3L; spraying 5 times on leaf surface before initial flowering, wherein the dosage per mu is 60L;
b. b, boron fertilizer: selecting Baruide, wherein the pure B content is more than or equal to 18 percent, 50 grams of water and 60 kilograms of water are sprayed on the leaf surfaces of leaves in the flowering and fruiting period for 3 times per mu, and the interval of each time is 7 days;
D. organic potassium is sprayed on the leaves
100 g of organic potassium and 60 kg of water are sprayed on the leaf surfaces of each mu 5 times at intervals of 7 days in the flowering and fruiting period; the organic potassium K2The content of O is more than or equal to 25.0 percent, and the content of organic matters is more than or equal to 25.0 percent.
The application method of the acidic microbial organic fertilizer and the common organic fertilizer comprises ditching and annular applying around plants and covering soil.
Compared with conventional planting methods, yield and value of key planting method of blueberry brilliant variety 2016 Chuxiong
Figure 171458DEST_PATH_IMAGE014
The test result of brilliant varieties carried out in Chuxiong in 2016 shows that the fruit yield of the key planting method is 629.5 kg/mu, which is 130.9 kg/mu higher than that of 498.6 kg/mu of the conventional planting method, and the yield is increased by 26.3%.

Claims (1)

1. A key planting method for improving yield of blueberries is characterized by comprising the following steps:
A. adjusting the pH value of rhizosphere soil: when the pH value of the soil is more than 5.2, the pH value needs to be adjusted, and 1-2kg of acidic microbial organic fertilizer and 5-10kg of common organic fertilizer are applied to each plant; the acidic microbial organic fertilizer comprises the following components: n + CP2O5+K2O is more than or equal to 5.0 percent, organic matter is more than or equal to 45 percent, pH is as follows: 2.5-4.0;
B. reasonably distributing and applying special fertilizer: before flowering and fruiting, the early-stage blueberry special fertilizer is adopted, and the fertilizer dosage is calculated according to the application of 1.3-2.2 g of N for each plant every time; in the flowering and fruiting period, the later-stage blueberry special fertilizer is adopted, and the fertilizer dosage is calculated according to the application of 1.1-1.8 g of N for each plant each time; 8-10 g of full water-soluble organic fertilizer is applied once every 20-30 days; the early blueberry special fertilizer N: p2O5:K2The O ratio is 1: 0.8-1: 0.7-1, wherein the content of ammonium nitrogen in the total nitrogen is more than or equal to 60 percent; the later-stage blueberry special fertilizer N: p2O5:K2The O ratio is 1: 0.5-0.7: 1.3-1.6, wherein the ammonium nitrogen accounts for more than or equal to 60 percent of the total nitrogen content; the full water-soluble organic fertilizer N + P2O5+K2O is more than or equal to 10.0 percent, the total water-soluble organic matter is more than or equal to 60 percent, and the total water-soluble humic acid is more than or equal to 30 percent;
C. application of trace element fertilizer
a. Iron chelate: for brilliant varieties, which are easy to cause iron deficiency yellowing, applying rhizosphere soil and leaf surfaces by adopting 400 times of liquid of chelated iron, wherein the content of Fe in the chelated iron is 8 percent, the soil is applied for 2-4 times, and the dosage of each plant is 2-3L; spraying 3-5 times on leaf surface before initial flowering, wherein the dosage per mu is 60L; other varieties are applied for a proper time;
b. b, boron fertilizer: selecting Baruide, wherein the pure B content is more than or equal to 18 percent, 50 g of water is added into 60 kg per mu, and the Baruide is sprayed on the leaf surfaces of the leaves for 2 to 3 times in the flowering and fruiting period, and the interval between every two times is 7 to 10 days;
D. organic potassium is sprayed on the leaves
Spraying 100 g of organic potassium and 60 kg of water to the leaf surfaces of each mu for 3-5 times at intervals of 7-10 days in the flowering and fruiting period; the foliage spraying organic potassium K2The content of O is more than or equal to 25.0 percent, and the content of organic matters is more than or equal to 25.0 percent; the application method of the acid microbial organic fertilizer and the common organic fertilizer comprises the steps of applying the acid microbial organic fertilizer and the common organic fertilizer to a pond before transplanting, fully and uniformly mixing, then planting or ditching and annularly applying the acid microbial organic fertilizer and the common organic fertilizer around plants and covering soil.
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