CN112493064A - Cultivation method of strawberry with high SOD content and fertilizer for cultivation - Google Patents
Cultivation method of strawberry with high SOD content and fertilizer for cultivation Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/05—Fruit crops, e.g. strawberries, tomatoes or cucumbers
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- 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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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C11/00—Other nitrogenous fertilisers
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
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Abstract
The invention discloses a cultivation method of high-content SOD strawberries, which comprises the following steps: (1) applying a strawberry ground fertilizer; (2) fertilizing the strawberry in a two-leaf period after germination; (3) fertilizing the strawberries in the bud stage; (4) the fertilizer is applied during flowering and fruiting, and the fertilizer for cultivating the strawberry is disclosed, which consists of a base fertilizer for applying the strawberry, a fertilizer for the two-leaf period after the strawberry sprouts, a fertilizer for the bud period of the strawberry and a fertilizer for the flowering and fruiting period. According to the characteristics of nutrition requirements of the strawberries in different growth periods, fertilizers with different components, including a strawberry ground fertilizer, a fertilizer in two leaf periods after the strawberries sprout, a fertilizer in the bud period of the strawberries and a fertilizer in the flowering and fruiting period, are applied, different required quantities in each growth period are adjusted, SOD synthesis in the growth process of the strawberry acceptor is enhanced, and the strawberries with high SOD content can be moved or transferred to edible parts of the strawberries, so that the strawberries with high SOD content are finally obtained.
Description
Technical Field
The invention belongs to the technical field of agricultural cultivation, and particularly relates to a cultivation method of high-content SOD strawberries and a fertilizer for cultivation.
Background
Superoxide dismutase (SOD), which is called SOD for short, is a kind of metalloenzyme widely present in living bodies. SOD can be classified into 3 categories according to the metal ions contained: Cu/Zn-SOD, Mn-SOD and Fe-SOD. The Cu/Zn-SOD exists mainly in trueWithin the cytoplasm of the nucleus cell; Mn-SOD is mainly present in mitochondria of prokaryotes and eukaryotes; Fe-SOD is mainly present in prokaryotic cells. SOD is an enzyme preparation that functions to catalyze superoxide anion radical (O)2 -) Disproportionating to produce oxygen (O)2) And hydrogen peroxide (H)2O2) Plays a crucial role in the balance of oxidation and antioxidation of the body. Because of this property, SOD has been widely used in food, daily chemical industry, medicine, etc.
The research of SOD is highly regarded in China, and the first and second national SOD academic conferences are respectively held in Ningbo in 1 month in 1988 and Lanzhou in 8 months in 1990. Meanwhile, the unit for developing SOD research in China is more than two hundred, and a national S0D research, development and application coordination group is established. In the history of scientific research in China, the research on one enzyme is regarded to such a degree, which is absolutely unprecedented.
After the 21 st century, the Chinese economy is rapidly developed, and people pay more and more attention to human health due to the improvement of industrialization degree, the increase of urbanization and the sudden change of life style. SOD has become a popular research topic in China. Around the relation between SOD and human health, superoxide dismutase has wide application in the fields of medicine, cosmetics, daily necessities, food and the like. The cultivation of the strawberry with high content of SOD combines the large agriculture with the large health and has wide prospect.
The strawberry is good in color, fragrance and taste, high in nutritive value, rich in vitamin C and helpful for digestion, so that the strawberry is known as 'fruit queen'. Strawberry is sweet and sour in taste and cold in nature, has the effects of moistening lung, promoting the production of body fluid, tonifying spleen, relieving summer heat, relieving fever, promoting urination and quenching thirst, and is mainly used for treating wind-heat cough, mouth and tongue erosion, throat pyogenic infections, constipation, hypertension and other diseases. Besides, the beverage can improve eyesight, reduce blood fat, prevent cancer and eliminate toxic substances in vivo, has very rich nutritional value, and contains 3 to 4 times higher contents of malic acid, citric acid, vitamin B1, vitamin B2, carotene, calcium, phosphorus and iron than apples, pears and grapes. The worldwide strawberry cultivation area is continuously enlarged, and 40.3 million hectares in 2017 are provided. The worldwide strawberry planting yield in 2017 is about 878.3 ten thousand tons, the strawberry is the first in small berry varieties, and China is one of the biggest strawberry producing countries in the world. With the expansion of strawberry planting area, consumer demand is increasing, and the requirements on strawberry quality and processing industry are higher and higher. Through years of experiments, the strawberries with high SOD content are successfully planted, and the method is suitable for the continuous demand of consumers on the quality of the strawberries.
Disclosure of Invention
The invention aims to provide a cultivation method capable of cultivating strawberries with high SOD content and a fertilizer for cultivating the strawberries.
In order to achieve the purpose, the invention adopts the technical scheme that:
a cultivation method of strawberries with high SOD content comprises the following steps:
(1) applying a strawberry ground fertilizer: the strawberry field base fertilizer is micro-nano silicon, the micro-nano silicon is uniformly scattered on a ridge for cultivating strawberries before the strawberries are transplanted, and then the strawberries are planted, wherein the dosage of the micro-nano silicon is 2-10Kg per mu;
(2) fertilizing the strawberry in the two-leaf period after germination: in two leaf periods behind the strawberry germination, adopt two leaf period fertilizer behind the strawberry germination to fertilize through the mode of spraying, two leaf period fertilizer behind the strawberry germination comprises fulvic acid, EDTA chelate Fe, EDTA chelate Cu, EDTA chelate Zn, and the weight parts of two leaf period fertilizer behind the strawberry germination forms: 20-40 parts of fulvic acid, 10-40 parts of EDTA (ethylene diamine tetraacetic acid) chelated Fe, 10-40 parts of EDTA chelated Cu and 10-40 parts of EDTA chelated Zn; when the fertilizer is applied, the fertilizer in the two-leaf period after the strawberry germination is added into water to prepare the fertilizer liquid fertilizer in the two-leaf period after the strawberry germination with the mass percentage concentration of 0.1-0.5%, and then the fertilizer liquid fertilizer is sprayed on strawberry leaves, wherein the using amount of the fertilizer liquid fertilizer in the two-leaf period after the strawberry germination is 25-75Kg per mu;
(3) fertilizing the strawberries in the bud stage: in the current bud period of the strawberries, fertilizer is applied in the current bud period of the strawberries in a spraying mode, the fertilizer in the current bud period of the strawberries is composed of fulvic acid, EDTA chelated Fe, EDTA chelated Cu and EDTA chelated Zn, and the fertilizer in the current bud period of the strawberries is composed of the following components in parts by weight: 20-40 parts of fulvic acid, 10-40 parts of EDTA (ethylene diamine tetraacetic acid) chelated Fe, 10-40 parts of EDTA chelated Cu and 10-40 parts of EDTA chelated Zn; when the fertilizer is applied, the fertilizer in the bud stage of the strawberries is added into water to prepare a fertilizer liquid fertilizer in the bud stage of the strawberries with the mass percentage concentration of 0.3-0.5%, and then the fertilizer liquid fertilizer is sprayed on strawberry leaves, wherein the using amount of the fertilizer liquid fertilizer in the bud stage of the strawberries is 25-75Kg per mu;
(4) fertilization in the period of flowering and fruiting: during the period of flowering and fruiting, fertilizer is applied in a spraying mode, wherein the fertilizer during the period of flowering and fruiting consists of amino acid, trace element Fe, trace element Cu, trace element Zn and trace element Mn, and the fertilizer during the period of flowering and fruiting comprises the following components in parts by weight: 20-50 parts of amino acid, 10-40 parts of trace element Fe, 10-40 parts of trace element Cu, 10-40 parts of trace element Zn and 10-40 parts of trace element Mn; when the fertilizer is applied, the fertilizer is added into water during flowering and fruiting to prepare the fertilizer liquid fertilizer with the mass percentage concentration of 0.5-1.0% during flowering and fruiting, and then the fertilizer liquid fertilizer is sprayed on strawberry leaves and sprayed for 3 times at intervals of 7-10 days, and the using amount of the fertilizer liquid fertilizer during each flowering and fruiting period is 100-200Kg per mu.
A fertilizer for cultivating strawberries with high SOD content comprises a base fertilizer for the strawberries, a fertilizer for two leaves after the strawberries sprout, a fertilizer for the current bud stage of the strawberries and a fertilizer for flowering and fruiting;
the weight parts of the applied strawberry ground fertilizer, the fertilizer for the two-leaf period after the germination of the strawberry, the fertilizer for the bud period of the strawberry and the fertilizer for the flowering and fruiting period are as follows: applying 20-100 parts of strawberry ground base fertilizer, 25-375 parts of strawberry fertilizer in a two-leaf period after germination, 75-375 parts of strawberry fertilizer in a bud period and 20-200 parts of strawberry fertilizer in a flowering and fruiting period;
the strawberry ground fertilizer is micro-nano silicon;
the fertilizer for the two-leaf period after strawberry germination consists of fulvic acid, EDTA chelated Fe, EDTA chelated Cu and EDTA chelated Zn, and the fertilizer for the two-leaf period after strawberry germination comprises the following components in parts by weight: 20-40 parts of fulvic acid, 10-40 parts of EDTA (ethylene diamine tetraacetic acid) chelated Fe, 10-40 parts of EDTA chelated Cu and 10-40 parts of EDTA chelated Zn;
the fertilizer for the strawberries in the bud stage consists of fulvic acid, EDTA chelated Fe, EDTA chelated Cu and EDTA chelated Zn, and the fertilizer for the strawberries in the bud stage comprises the following components in parts by weight: 20-40 parts of fulvic acid, 10-40 parts of EDTA (ethylene diamine tetraacetic acid) chelated Fe, 10-40 parts of EDTA chelated Cu and 10-40 parts of EDTA chelated Zn;
the fertilizer during the flowering and fruiting period consists of amino acid, trace element Fe, trace element Cu, trace element Zn and trace element Mn, and the fertilizer during the flowering and fruiting period comprises the following components in parts by weight: 20-50 parts of amino acid, 10-40 parts of trace element Fe, 10-40 parts of trace element Cu, 10-40 parts of trace element Zn and 10-40 parts of trace element Mn.
The invention has the advantages that:
according to the characteristics of nutrition requirements of the strawberries in different growth periods, fertilizers with different components, including a strawberry ground fertilizer, a fertilizer in two leaf periods after the strawberries sprout, a fertilizer in the bud period of the strawberries and a fertilizer in the flowering and fruiting period, are applied, different required quantities in each growth period are adjusted, SOD synthesis in the growth process of the strawberries is strengthened, the strawberries can be moved or transferred to edible parts of the strawberries, the strawberries with high SOD content are finally obtained, and the SOD enzyme content in the cultured strawberries is as high as 600U/g. The high-content SOD strawberry not only has good color, fragrance and taste, but also has high nutritive value, is rich in vitamin C, can remove free radicals of a human body, and has very obvious effect of improving the immunity of people who are sub-healthy and suffer from diseases.
Detailed Description
Example 1
The invention discloses a cultivation method of high-content SOD strawberries, which comprises the following steps:
(1) applying a strawberry ground fertilizer: the strawberry field base fertilizer is micro-nano silicon, the micro-nano silicon is uniformly scattered on ridges for cultivating strawberries before the strawberries are transplanted, and then the strawberries are planted, wherein the using amount of the micro-nano silicon is 2Kg per mu.
(2) Fertilizing the strawberry in the two-leaf period after germination: in two leaf periods behind the strawberry germination, adopt two leaf period fertilizer behind the strawberry germination to fertilize through the mode of spraying, two leaf period fertilizer behind the strawberry germination comprises fulvic acid, EDTA chelate Fe, EDTA chelate Cu, EDTA chelate Zn, and the weight of two leaf period fertilizer behind the strawberry germination constitutes: 20 parts of fulvic acid, 10 parts of EDTA chelated Fe, 10 parts of EDTA chelated Cu and 10 parts of EDTA chelated Zn; when the fertilizer is applied, the fertilizer in the two-leaf period after the strawberry germination is added into water to prepare the fertilizer liquid fertilizer in the two-leaf period after the strawberry germination with the mass percentage concentration of 0.1 percent, and then the fertilizer liquid fertilizer is sprayed on strawberry leaves, wherein the using amount of the fertilizer liquid fertilizer in the two-leaf period after the strawberry germination is 25Kg per mu.
(3) Fertilizing the strawberries in the bud stage: in the current bud period of the strawberries, fertilizer is applied in the current bud period of the strawberries in a spraying mode, the fertilizer in the current bud period of the strawberries consists of fulvic acid, EDTA chelated Fe, EDTA chelated Cu and EDTA chelated Zn, and the fertilizer in the current bud period of the strawberries comprises the following components in parts by weight: 20 parts of fulvic acid, 10 parts of EDTA chelated Fe, 10 parts of EDTA chelated Cu and 10 parts of EDTA chelated Zn; when the fertilizer is applied, the fertilizer in the bud stage of the strawberries is added into water to prepare a liquid fertilizer in the bud stage of the strawberries with the mass percentage concentration of 0.3 percent, and then the liquid fertilizer is sprayed on strawberry leaves, wherein the using amount of the liquid fertilizer in the bud stage of the strawberries is 25Kg per mu.
(4) Fertilization in the period of flowering and fruiting: during the period of flowering and fruiting, the fertilizer is applied in a spraying mode, the fertilizer during the period of flowering and fruiting consists of amino acid, trace element Fe, trace element Cu, trace element Zn and trace element Mn, and the weight parts of the fertilizer during the period of flowering and fruiting are as follows: 20 parts of amino acid, 10 parts of trace element Fe, 10 parts of trace element Cu, 10 parts of trace element Zn and 10 parts of trace element Mn; when the fertilizer is applied, the fertilizer in the flowering and fruiting period is added into water to prepare a fertilizer liquid fertilizer in the flowering and fruiting period with the mass percent concentration of 0.5%, and then the fertilizer liquid fertilizer is sprayed on strawberry leaves and is sprayed for 3 times at intervals of 7 days, and the using amount of the fertilizer liquid fertilizer in each flowering and fruiting period is 100Kg per mu.
A fertilizer for cultivating strawberries with high SOD content comprises a base fertilizer for the strawberries, a fertilizer for two leaves after the strawberries sprout, a fertilizer for the current bud stage of the strawberries and a fertilizer for flowering and fruiting.
The weight parts of the applied strawberry ground fertilizer, the fertilizer for the two-leaf period after the germination of the strawberry, the fertilizer for the bud period of the strawberry and the fertilizer for the flowering and fruiting period are as follows: applying 20 parts of strawberry ground fertilizer, 25 parts of strawberry fertilizer in a two-leaf period after germination, 75 parts of strawberry fertilizer in a bud period and 20 parts of strawberry fertilizer in a flowering period and a fruiting period.
The strawberry ground base fertilizer is micro-nano silicon.
The fertilizer for the two-leaf period after strawberry germination consists of fulvic acid, EDTA chelated Fe, EDTA chelated Cu and EDTA chelated Zn, and the fertilizer for the two-leaf period after strawberry germination consists of the following components in parts by weight: 20 parts of fulvic acid, 10 parts of EDTA chelated Fe, 10 parts of EDTA chelated Cu and 10 parts of EDTA chelated Zn.
The fertilizer for the strawberry in the bud stage consists of fulvic acid, EDTA chelated Fe, EDTA chelated Cu and EDTA chelated Zn, and the fertilizer for the strawberry in the bud stage comprises the following components in parts by weight: 20 parts of fulvic acid, 10 parts of EDTA chelated Fe, 10 parts of EDTA chelated Cu and 10 parts of EDTA chelated Zn.
The fertilizer during flowering and fruiting consists of amino acid, trace element Fe, trace element Cu, trace element Zn and trace element Mn, and the fertilizer during flowering and fruiting comprises the following components in parts by weight: 20 parts of amino acid, 10 parts of trace element Fe, 10 parts of trace element Cu, 10 parts of trace element Zn and 10 parts of trace element Mn.
Example 2
The invention discloses a cultivation method of high-content SOD strawberries, which comprises the following steps:
(1) applying a strawberry ground fertilizer: the strawberry field base fertilizer is micro-nano silicon, the micro-nano silicon is uniformly scattered on ridges for cultivating strawberries before the strawberries are transplanted, and then the strawberries are planted, wherein the using amount of the micro-nano silicon is 6Kg per mu.
(2) Fertilizing the strawberry in the two-leaf period after germination: in two leaf periods behind the strawberry germination, adopt two leaf period fertilizer behind the strawberry germination to fertilize through the mode of spraying, two leaf period fertilizer behind the strawberry germination comprises fulvic acid, EDTA chelate Fe, EDTA chelate Cu, EDTA chelate Zn, and the weight of two leaf period fertilizer behind the strawberry germination constitutes: 30 parts of fulvic acid, 25 parts of EDTA chelated Fe, 25 parts of EDTA chelated Cu and 25 parts of EDTA chelated Zn; when the fertilizer is applied, the fertilizer in the two-leaf period after the strawberry germination is added into water to prepare the fertilizer liquid fertilizer in the two-leaf period after the strawberry germination, the mass percentage concentration of the fertilizer liquid fertilizer is 0.3%, and then the fertilizer liquid fertilizer is sprayed on strawberry leaves, and the using amount of the fertilizer liquid fertilizer in the two-leaf period after the strawberry germination is 50Kg per mu.
(3) Fertilizing the strawberries in the bud stage: in the current bud period of the strawberries, fertilizer is applied in the current bud period of the strawberries in a spraying mode, the fertilizer in the current bud period of the strawberries consists of fulvic acid, EDTA chelated Fe, EDTA chelated Cu and EDTA chelated Zn, and the fertilizer in the current bud period of the strawberries comprises the following components in parts by weight: 30 parts of fulvic acid, 25 parts of EDTA chelated Fe, 25 parts of EDTA chelated Cu and 25 parts of EDTA chelated Zn; when the fertilizer is applied, the fertilizer in the bud stage of strawberries is added into water to prepare a liquid fertilizer in the bud stage of strawberries with the mass percentage concentration of 0.4 percent, and then the liquid fertilizer is sprayed on strawberry leaves, wherein the using amount of the liquid fertilizer in the bud stage of strawberries is 50Kg per mu.
(4) Fertilization in the period of flowering and fruiting: during the period of flowering and fruiting, the fertilizer is applied in a spraying mode, the fertilizer during the period of flowering and fruiting consists of amino acid, trace element Fe, trace element Cu, trace element Zn and trace element Mn, and the weight parts of the fertilizer during the period of flowering and fruiting are as follows: 35 parts of amino acid, 25 parts of trace element Fe, 25 parts of trace element Cu, 25 parts of trace element Zn and 25 parts of trace element Mn; when the fertilizer is applied, the fertilizer in the flowering and fruiting period is added into water to prepare a fertilizer liquid fertilizer in the flowering and fruiting period with the mass percent concentration of 0.8%, and then the fertilizer liquid fertilizer is sprayed on strawberry leaves for 3 times at intervals of 8 days, wherein the using amount of the fertilizer liquid fertilizer in each flowering and fruiting period is 150Kg per mu.
A fertilizer for cultivating strawberries with high SOD content comprises a base fertilizer for the strawberries, a fertilizer for two leaves after the strawberries sprout, a fertilizer for the current bud stage of the strawberries and a fertilizer for flowering and fruiting.
The weight parts of the applied strawberry ground fertilizer, the fertilizer for the two-leaf period after the germination of the strawberry, the fertilizer for the bud period of the strawberry and the fertilizer for the flowering and fruiting period are as follows: 60 parts of strawberry ground fertilizer, 200 parts of strawberry fertilizer in a two-leaf period after germination, 225 parts of strawberry fertilizer in a bud period and 110 parts of strawberry fertilizer in a flowering and fruiting period are applied.
The strawberry ground base fertilizer is micro-nano silicon.
The fertilizer for the two-leaf period after strawberry germination consists of fulvic acid, EDTA chelated Fe, EDTA chelated Cu and EDTA chelated Zn, and the fertilizer for the two-leaf period after strawberry germination consists of the following components in parts by weight: 30 parts of fulvic acid, 25 parts of EDTA chelated Fe, 25 parts of EDTA chelated Cu and 25 parts of EDTA chelated Zn.
The fertilizer for the strawberry in the bud stage consists of fulvic acid, EDTA chelated Fe, EDTA chelated Cu and EDTA chelated Zn, and the fertilizer for the strawberry in the bud stage comprises the following components in parts by weight: 30 parts of fulvic acid, 25 parts of EDTA chelated Fe, 25 parts of EDTA chelated Cu and 25 parts of EDTA chelated Zn.
The fertilizer during flowering and fruiting consists of amino acid, trace element Fe, trace element Cu, trace element Zn and trace element Mn, and the fertilizer during flowering and fruiting comprises the following components in parts by weight: 35 parts of amino acid, 25 parts of trace element Fe, 25 parts of trace element Cu, 25 parts of trace element Zn and 25 parts of trace element Mn.
Example 3
The invention discloses a cultivation method of high-content SOD strawberries, which comprises the following steps:
(1) applying a strawberry ground fertilizer: the strawberry field base fertilizer is micro-nano silicon, the micro-nano silicon is uniformly scattered on ridges for cultivating strawberries before the strawberries are transplanted, and then the strawberries are planted, wherein the using amount of the micro-nano silicon is 10Kg per mu.
(2) Fertilizing the strawberry in the two-leaf period after germination: in two leaf periods behind the strawberry germination, adopt two leaf period fertilizer behind the strawberry germination to fertilize through the mode of spraying, two leaf period fertilizer behind the strawberry germination comprises fulvic acid, EDTA chelate Fe, EDTA chelate Cu, EDTA chelate Zn, and the weight of two leaf period fertilizer behind the strawberry germination constitutes: 40 parts of fulvic acid, 40 parts of EDTA chelated Fe, 40 parts of EDTA chelated Cu and 40 parts of EDTA chelated Zn; when the fertilizer is applied, the fertilizer in the two-leaf period after the strawberry germination is added into water to prepare the fertilizer liquid fertilizer in the two-leaf period after the strawberry germination with the mass percentage concentration of 0.5 percent, and then the fertilizer liquid fertilizer is sprayed on strawberry leaves, and the using amount of the fertilizer liquid fertilizer in the two-leaf period after the strawberry germination is 75Kg per mu.
(3) Fertilizing the strawberries in the bud stage: in the current bud period of the strawberries, fertilizer is applied in the current bud period of the strawberries in a spraying mode, the fertilizer in the current bud period of the strawberries consists of fulvic acid, EDTA chelated Fe, EDTA chelated Cu and EDTA chelated Zn, and the fertilizer in the current bud period of the strawberries comprises the following components in parts by weight: 40 parts of fulvic acid, 40 parts of EDTA chelated Fe, 40 parts of EDTA chelated Cu and 40 parts of EDTA chelated Zn; when the fertilizer is applied, the fertilizer in the bud stage of strawberries is added into water to prepare a liquid fertilizer in the bud stage of strawberries with the mass percentage concentration of 0.5 percent, and then the liquid fertilizer is sprayed on strawberry leaves, wherein the using amount of the liquid fertilizer in the bud stage of strawberries is 75Kg per mu.
(4) Fertilization in the period of flowering and fruiting: during the period of flowering and fruiting, the fertilizer is applied in a spraying mode, the fertilizer during the period of flowering and fruiting consists of amino acid, trace element Fe, trace element Cu, trace element Zn and trace element Mn, and the weight parts of the fertilizer during the period of flowering and fruiting are as follows: 50 parts of amino acid, 40 parts of trace element Fe, 40 parts of trace element Cu, 40 parts of trace element Zn and 40 parts of trace element Mn; when the fertilizer is applied, the fertilizer in the flowering and fruiting period is added into water, and is prepared into a fertilizer liquid fertilizer in the flowering and fruiting period with the mass percentage concentration of 1.0%, then the fertilizer liquid fertilizer is sprayed on strawberry leaves and is sprayed for 3 times at intervals of 10 days, and the using amount of the fertilizer liquid fertilizer in each flowering and fruiting period is 200Kg per mu.
A fertilizer for cultivating strawberries with high SOD content comprises a base fertilizer for the strawberries, a fertilizer for two leaves after the strawberries sprout, a fertilizer for the current bud stage of the strawberries and a fertilizer for flowering and fruiting.
The weight parts of the applied strawberry ground fertilizer, the fertilizer for the two-leaf period after the germination of the strawberry, the fertilizer for the bud period of the strawberry and the fertilizer for the flowering and fruiting period are as follows: applying 100 parts of strawberry ground fertilizer, 375 parts of strawberry fertilizer in a two-leaf period after germination, 375 parts of strawberry fertilizer in a bud period and 200 parts of fertilizer in a flowering and fruiting period.
The strawberry ground base fertilizer is micro-nano silicon.
The fertilizer for the two-leaf period after strawberry germination consists of fulvic acid, EDTA chelated Fe, EDTA chelated Cu and EDTA chelated Zn, and the fertilizer for the two-leaf period after strawberry germination consists of the following components in parts by weight: 40 parts of fulvic acid, 40 parts of EDTA chelated Fe, 40 parts of EDTA chelated Cu and 40 parts of EDTA chelated Zn.
The fertilizer for the strawberry in the bud stage consists of fulvic acid, EDTA chelated Fe, EDTA chelated Cu and EDTA chelated Zn, and the fertilizer for the strawberry in the bud stage comprises the following components in parts by weight: 40 parts of fulvic acid, 40 parts of EDTA chelated Fe, 40 parts of EDTA chelated Cu and 40 parts of EDTA chelated Zn.
The fertilizer during flowering and fruiting consists of amino acid, trace element Fe, trace element Cu, trace element Zn and trace element Mn, and the fertilizer during flowering and fruiting comprises the following components in parts by weight: 50 parts of amino acid, 40 parts of trace element Fe, 40 parts of trace element Cu, 40 parts of trace element Zn and 40 parts of trace element Mn.
Comparative example 1
The cultivation method of comparative example 1, comprising the steps of:
(1) applying a strawberry ground fertilizer: planting strawberries on ridges for cultivating strawberries without applying base fertilizers to the strawberries;
(2) fertilizing the strawberry in the two-leaf period after germination: in the two-leaf period after the strawberry sprouts, clear water is adopted to fertilize in a spraying mode and is sprayed on the strawberry leaves, and the using amount of the clear water is 25Kg per mu;
(3) fertilizing the strawberries in the bud stage: in the bud stage of the strawberries, clear water is adopted to fertilize in a spraying mode and is sprayed on the strawberries, and the using amount of the clear water is 25Kg per mu;
(4) fertilization in the period of flowering and fruiting: during flowering and fruiting, clear water is adopted to fertilize in a spraying mode, the fertilizer is sprayed on strawberry leaves and is sprayed for 3 times at intervals of 7 days, and the amount of the clear water is 100Kg per mu each time.
Comparative example 2
The cultivation method of comparative example 2, comprising the steps of:
(1) applying a strawberry ground fertilizer: planting strawberries on ridges for cultivating strawberries without applying base fertilizers to the strawberries;
(2) fertilizing the strawberry in the two-leaf period after germination: in the two-leaf period after the strawberry sprouts, clear water is adopted to fertilize in a spraying mode and is sprayed on the strawberry leaves, and the amount of the clear water is 75Kg per mu;
(3) fertilizing the strawberries in the bud stage: in the bud stage of the strawberries, clear water is adopted to fertilize in a spraying mode and is sprayed on the strawberries, and the using amount of the clear water is 75Kg per mu;
(4) fertilization in the period of flowering and fruiting: during flowering and fruiting, clear water is adopted to fertilize in a spraying mode, the fertilizer is sprayed on strawberry leaves and is sprayed for 3 times at intervals of 10 days, and the amount of the clear water is 200Kg per mu each time.
Comparison of the effects of examples and comparative examples
In 2019, in Guiyang, a cultivation test of the Nippon Hongyan 99 strawberries was performed by using the strawberry cultivation methods of the embodiment 1 and the comparative example 1, and the SOD content of the Nippon Hongyan 99 strawberries in the embodiment 1 and the comparative example 1 was respectively detected, and it can be seen from the data in Table 1 that the SOD content of the Nippon Hongyan 99 strawberries cultivated by using the strawberry cultivation method of the embodiment 1 of the present invention was significantly increased.
In 2018, in Zhengzhou, the cultivation test of the japanese octopus strawberry was performed by using the strawberry cultivation methods of example 3 and comparative example 2, and the SOD contents of the japanese octopus strawberry in example 3 and comparative example 2 were respectively detected, and it can be seen from the data in table 2 that the SOD contents of the cultivated japanese octopus strawberry were significantly increased by using the strawberry cultivation method of example 3 of the present invention.
Claims (2)
1. A cultivation method of strawberries with high SOD content is characterized in that: the method comprises the following steps:
(1) applying a strawberry ground fertilizer: the strawberry field base fertilizer is micro-nano silicon, the micro-nano silicon is uniformly scattered on a ridge for cultivating strawberries before the strawberries are transplanted, and then the strawberries are planted, wherein the dosage of the micro-nano silicon is 2-10Kg per mu;
(2) fertilizing the strawberry in the two-leaf period after germination: in two leaf periods behind the strawberry germination, adopt two leaf period fertilizer behind the strawberry germination to fertilize through the mode of spraying, two leaf period fertilizer behind the strawberry germination comprises fulvic acid, EDTA chelate Fe, EDTA chelate Cu, EDTA chelate Zn, and the weight parts of two leaf period fertilizer behind the strawberry germination forms: 20-40 parts of fulvic acid, 10-40 parts of EDTA (ethylene diamine tetraacetic acid) chelated Fe, 10-40 parts of EDTA chelated Cu and 10-40 parts of EDTA chelated Zn; when the fertilizer is applied, the fertilizer in the two-leaf period after the strawberry germination is added into water to prepare the fertilizer liquid fertilizer in the two-leaf period after the strawberry germination with the mass percentage concentration of 0.1-0.5%, and then the fertilizer liquid fertilizer is sprayed on strawberry leaves, wherein the using amount of the fertilizer liquid fertilizer in the two-leaf period after the strawberry germination is 25-75Kg per mu;
(3) fertilizing the strawberries in the bud stage: in the current bud period of the strawberries, fertilizer is applied in the current bud period of the strawberries in a spraying mode, the fertilizer in the current bud period of the strawberries is composed of fulvic acid, EDTA chelated Fe, EDTA chelated Cu and EDTA chelated Zn, and the fertilizer in the current bud period of the strawberries is composed of the following components in parts by weight: 20-40 parts of fulvic acid, 10-40 parts of EDTA (ethylene diamine tetraacetic acid) chelated Fe, 10-40 parts of EDTA chelated Cu and 10-40 parts of EDTA chelated Zn; when the fertilizer is applied, the fertilizer in the bud stage of the strawberries is added into water to prepare a fertilizer liquid fertilizer in the bud stage of the strawberries with the mass percentage concentration of 0.3-0.5%, and then the fertilizer liquid fertilizer is sprayed on strawberry leaves, wherein the using amount of the fertilizer liquid fertilizer in the bud stage of the strawberries is 25-75Kg per mu;
(4) fertilization in the period of flowering and fruiting: during the period of flowering and fruiting, fertilizer is applied in a spraying mode, wherein the fertilizer during the period of flowering and fruiting consists of amino acid, trace element Fe, trace element Cu, trace element Zn and trace element Mn, and the fertilizer during the period of flowering and fruiting comprises the following components in parts by weight: 20-50 parts of amino acid, 10-40 parts of trace element Fe, 10-40 parts of trace element Cu, 10-40 parts of trace element Zn and 10-40 parts of trace element Mn; when the fertilizer is applied, the fertilizer is added into water during flowering and fruiting to prepare the fertilizer liquid fertilizer with the mass percentage concentration of 0.5-1.0% during flowering and fruiting, and then the fertilizer liquid fertilizer is sprayed on strawberry leaves and sprayed for 3 times at intervals of 7-10 days, and the using amount of the fertilizer liquid fertilizer during each flowering and fruiting period is 100-200Kg per mu.
2. A fertilizer for cultivating high-content SOD strawberries is characterized in that: the fertilizer consists of a strawberry ground base fertilizer, a fertilizer for two leaves after the strawberry sprouts, a fertilizer for the current bud period of the strawberry and a fertilizer for the flowering and fruiting period;
the weight parts of the applied strawberry ground fertilizer, the fertilizer for the two-leaf period after the germination of the strawberry, the fertilizer for the bud period of the strawberry and the fertilizer for the flowering and fruiting period are as follows: applying 20-100 parts of strawberry ground base fertilizer, 25-375 parts of strawberry fertilizer in a two-leaf period after germination, 75-375 parts of strawberry fertilizer in a bud period and 20-200 parts of strawberry fertilizer in a flowering and fruiting period;
the strawberry ground fertilizer is micro-nano silicon;
the fertilizer for the two-leaf period after strawberry germination consists of fulvic acid, EDTA chelated Fe, EDTA chelated Cu and EDTA chelated Zn, and the fertilizer for the two-leaf period after strawberry germination comprises the following components in parts by weight: 20-40 parts of fulvic acid, 10-40 parts of EDTA (ethylene diamine tetraacetic acid) chelated Fe, 10-40 parts of EDTA chelated Cu and 10-40 parts of EDTA chelated Zn;
the fertilizer for the strawberries in the bud stage consists of fulvic acid, EDTA chelated Fe, EDTA chelated Cu and EDTA chelated Zn, and the fertilizer for the strawberries in the bud stage comprises the following components in parts by weight: 20-40 parts of fulvic acid, 10-40 parts of EDTA (ethylene diamine tetraacetic acid) chelated Fe, 10-40 parts of EDTA chelated Cu and 10-40 parts of EDTA chelated Zn;
the fertilizer during the flowering and fruiting period consists of amino acid, trace element Fe, trace element Cu, trace element Zn and trace element Mn, and the fertilizer during the flowering and fruiting period comprises the following components in parts by weight: 20-50 parts of amino acid, 10-40 parts of trace element Fe, 10-40 parts of trace element Cu, 10-40 parts of trace element Zn and 10-40 parts of trace element Mn.
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