How and how to feed the grapes in the spring to get a good harvest?
Like all life on earth, grapes require nutrients to grow and develop. With each harvest, it loses the supply of these properties and over time, the so-called depletion of the soil occurs. If you do not engage in top dressing, then the plant will not be able to restore strength, it will get sick from year to year and eventually cease to exist. It is especially important to properly prepare the plant in the spring for a long growing season.
fertilizers
Grapes are a berry, one of the first agricultural crops that a person began to cultivate. The homeland of grapes is considered to be Asia and the Middle East, where wild grape varieties still grow. It is a useful product and at the same time a raw material for the production of wine. There is a whole science of winemaking - oenology, based on a scientific approach to growing this type of plant. With the help of selection and genetics, I. N. I. Vavilov and I. V. Michurin made a great contribution to the domestic and world viticulture industries.
Wine and vinegar were among the staples of the trade. The first mention of winemaking dates back to the sixth millennium BC. To date, grapes have more than seventy species, which are distributed into groups and subgroups according to the area of growth in the eastern, Black Sea and Western European types of grapes.
Grape culture has more than twenty thousand different varieties, most of which are hybrids. Breeders do not stop working on breeding new varieties that are resistant to natural factors and capable of producing abundant harvests at any time of the year. Great importance is attached to the cultivation of wine varieties with a short growing season. Increasingly popular among gardeners are the so-called seedless grape varieties. They do not contain seeds in the berry, due to which the demand in the sales market for these products is always consistently high.
For a successful harvest, the vine must be prepared. They start with pruning, which contributes to the proper formation and improvement of the crown of the bush. The procedure should begin in the spring, before flowering, and continue throughout the summer and autumn, adhering to the basic rules of breaking, chasing, banding, as well as pinching and thinning the crown. There are many ways and nuances here, which can be described for a very long time.
Suffice it to say that the main pruning should be done before fertilizing.
It is amazing how many devices and means have been invented by man for the sake of a long-forming crop. The fruiting phase is preceded by the most beautiful phase - flowering, when the flower crumbles into stamens with pollen and fertilization occurs. Then ovules are formed and berries grow, peas, clusters are formed and ripening occurs.
Agrotechnical measures, such as nutrition, which are a prerequisite for high grape yields, have a great influence on the formation and flowering of embryonic buds. Therefore, it is so important to fertilize plants in a timely manner.
Fertilizers provide top dressing and treatment of plants in order to supply them with the necessary set of substances, macro- and microelements. Fertilizers are divided into simple mineral fertilizers, such as saltpeter, superphosphate and potassium salt, as well as multicomponent mixtures, for example, Florovit, Novofert, Kemira and Mortar. Their next gradation is organic compounds: manure, manure, compost and urea, as well as wood ash and peat.
Plants should be fertilized and fed in accordance with the vegetative phases, as well as with the main periods of development and growth. Grapes have several phases of vegetation: flowering, ovary formation and fruiting. The rest of the time is spent preparing for the next growing season.
In the first months of life, the plant is gaining strength and does not form fruits. The formed fruit-bearing grape bush annually draws nitrogen, phosphorus and potassium from the earth. Therefore, the plant is in dire need of mineral compositions with these elements, which are applied approximately once every three years, and on chernozem soils - once every five years. Fertilize the soil in autumn, in September, after harvesting. The plant is supplied with nitrogen-containing fertilizers twice: first during the growing season in spring, and then after harvesting. Then the plants are treated with a solution of urea. Organic fertilizers (humus) are applied in significant quantities to the root pit on one side. Stir, tamp and pour abundantly with water.
Such a layer should be enough for at least five years. Next, they dig a hole on the other side of the bush and create a soil bag with trace elements for the next five years. This forms a layer of soil that can provide the plant with the development of the root system and nutrition.
Why are they needed?
Before flowering, the vineyard needs to be fed. The winter months have de-energized the plant, and it still has a long period during which the collection and concentration of useful substances in its body will be carried out. Grapes grow only on soil filled with trace elements. Therefore, it is necessary to fertilize the soil constantly, even in the case of its fertility.
Fertilization in early spring and further feeding improves the nutrition of the bush and its growth. This is especially important when planting grape seedlings in a permanent place. The formation of young shoots of the vine and the entry of the bush into the productive phase of fruiting depend on the set of soil substances that saturate the roots of the plant.
Many years of research has established that in the initial period of life, grapes must be consistently supplied with a mixed composition of ammonium sulfate, manure and superphosphate. This contributes not only to its growth, but also to the formation of rudimentary eyes - fruit buds, due to which the grapes begin to bear fruit in the second year of life.
Fertilizing a grape bush during planting contributes to the proper development and formation of the plant during the first years of life. With weak development, the grapes must be fed with nitrogen fertilizers, such as ammonium sulfate and saltpeter.
They need to be introduced in a liquid state, for which 30 grams of ammonium nitrate are diluted in 10 liters of water. It is better to carry out the operation through a pipe or a well half a meter deep, which must be built next to the bush in advance. Then this structure can be removed and further fertilizing can be carried out through root trenches.
It is necessary to carry out top dressing only from the second year of life, when the formation of the properties of grapes takes place and it grows.
Which are suitable?
To get a good harvest, you need to study all the properties of the substances and chemical compounds necessary for the plant in different periods of the growing season.
Nitrogen is a chemical element that regulates the growth of foliage and shoots of a plant. It is advisable to apply it in early spring during the recovery period of the plant, since further nitrogen will delay the timing of fruiting and the formation of tree cover, which is necessary for the plant in winter. The lack of this element leads to a slowdown in the growth of grape shoots, followed by the death of the leaf crown. The vine first grows bald and then dries.
If nitrogen is necessary in the spring, then in the summer months nitrogen fertilization is unacceptable, as it will contribute to increased shoot growth, and the fruit clusters will not be able to develop fully, they will lose their properties, becoming tasteless. Nitrogen contributes to the crowning and growth of woody and green parts of the grapes, but does not contribute to an increase in its yield. This is extremely important for beginner growers to know.
Phosphorus is necessary for the plant before the flowering period. With its help, the development of inflorescences and the formation of the ovary. Due to the long period of decomposition of this compound, they begin to lay it in the fall. Then the plant will receive the macronutrient in full by the beginning of the vegetative period. The lack of this element leads to the appearance of characteristic brown spots on the leaves.
The substance that increases the ripening of grapes is potassium. Thanks to him, the concentration of sucrose occurs, and the berries acquire their sweet taste. It is also used at the vegetation stage to increase the plant's immunity to various diseases, and makes the plant resistant to lack of moisture.Potash fertilizers are laid in the soil in autumn. Potassium deficiency is diagnosed by the presence of white spots on the leaves of the plant. And over time, they turn white completely and fall off.
Copper gives the plant the qualities of frost resistance, enhances immunity and plant development. Due to the presence of boron, the plant significantly increases the content of ovaries and prevents them from falling off. Stems and roots also need this element, which also contributes to an increase in the percentage of sugar in fruits, as well as resistance to diseases.
The zinc element is involved in the formation of qualitative and quantitative indicators of fruits. Magnesium promotes the absorption of phosphates by the plant, takes part in the process of photosynthesis, the formation of proteins and organic acids, and also contributes to the good taste characteristics of grapes.
Additional elements - calcium, sulfur, magnesium and iron are contained in the ground and are added only if necessary. Mineral top dressings, produced in solutions and mixtures, are simple and consisting of complex compounds. Simple ones consist of 1-2 elements; complex - from several.
Before flowering, it is recommended to use a one-component composition containing vitamin K for fertilizer, including potassium salt, superphosphate, ammonium nitrate and potassium chloride.
You can also use two-component and complex fertilizers, for example, ammophos, Aquarin, nitrophoska, Kemira, Novofert, Mortar and Florovit
Mineral compositions are good, but they do not prepare the soil for growing grapes properly, so the plant may additionally need organic fertilizers. These include humus, chicken manure and manure.They help to maintain a high concentration and microcirculation of nutrients in the soil, filling it with nitrogen, phosphorus and other elements, creating soil structure.
Timing
The timing when fertilizers should be applied is determined taking into account the needs of the plant individually for each variety in this particular case. It is customary to fertilize:
- autumn or early spring;
- when preparing the soil for planting (for several years);
- together with planting seedlings (preplant fertilizer).
In addition, during the entire growing season, the plant is additionally fed.
It is best to fertilize the soil with organic matter in the fall, so that over the winter it has time to form into a ready-made rotted mixture, easy for absorption by the vine. Spring application of organic fertilizers is often ineffective, since the substances do not have time to go through the phases of release of trace elements. With a lack of moisture and heat, toxic ammonia compounds begin to be released from them, which is completely undesirable for the plant. Humus should be added to infertile soil. This is best done in early spring before the opening of the bush.
It is best to start fertilizing before flowering, and even better - before the first buds swell. During this preparatory period, the main basis for a good yield and plant growth is laid. Therefore, it is important to do everything right and in a timely manner.
Top dressing of grapes should be carried out during the flowering period, in May. It is carried out about a week before flowering by applying nitrogen-potassium fertilizers to the soil with the addition of boron. Such compositions can be made by yourself by adding the element of boron to any base, or you can buy ready-made fertilizers.It is boron that contributes to the formation of pollen and the fertilization of flowers. Saltpeter is best applied in the spring during the growing season of the plant, as it is a fast-acting remedy. Long-acting fertilizers should be applied by the end of winter.
When determining the timing, the phases of the growing season of grapes are taken into account. So, at the very beginning, when new elements of the bush are just being formed, the plant needs nitrogen. During the flowering period - phosphorus, and in the fruiting phase, the plant needs potassium.
During the entire period of growth, flowering and fruiting, grapes may need about five doses of organic and mineral fertilizers and trace elements.
Varieties of dressings
Top dressings begin to be introduced when the plant has reached the second year of life. You need to follow the basic rules:
- top dressing should be carried out on well-irrigated soils;
- their norm should be ⅓ of the main one;
- the inclusion of certain substances in the composition of fertilizers should be applied as needed.
And such a need exists constantly, since there are many factors that have a direct and indirect effect on the growth and fruiting of a plant. So, for example, summer can be rainy, and spring can be dry and vice versa. There are also geographical climatic features of the growing zones of grapes, its varieties and varieties, soil features: sandy, clay and others.
There are varieties of dressings to increase the yield, growth and development of grapes, which everyone needs to know. These are root and foliar, pipe and nest fertilization, as well as fertilization through near-root holes.Feeding under the root should be carried out in the root area to improve the supply of trace elements to the roots, which, in turn, will contribute to better nutrition of the stems, fruits and leaves of grapes.
In the first years of life, the grape seedling is not yet formed, its root system, too. He can hardly draw the necessary elements from the soil. To facilitate the flow of nutrients and necessary substances to the roots, a special tube is constructed during planting - a well, where portions of the necessary fertilizer formulations are applied.
With the age of a young plant, this need disappears. The plant switches to the basal feeding method. Foliar feeding of grapes is carried out through the irrigation of the green parts - the leaves and stems of the plant with special nutrients. Nest feeding is carried out by digging a recess of 25 centimeters near the bush, where aqueous solutions of fertilizers are poured. After soaking the solution, the hole is buried.
Fertilizers can also be applied dry - evenly, to the bottom of the irrigation furrows, after which the plant is watered and the furrows are plowed with earth.
There is another way to apply fertilizer. With the help of a crowbar or other iron frame, several half-meter depressions are made in the soil near the grape bush. Aqueous solutions of fertilizers are introduced into these holes, as if douching the soil, stuffing it with useful substances. This type of fertilizer is widely used in France, a country famous for its selected wines and the best vineyards.
Root
After fertilization, the roots of plants stretch to the place of accumulation of the necessary substances, braid and absorb them, branch and grow.Thus, the root system develops. It is adapted to absorb water and soil solutions. A pressure of 1.5 atmospheres causes the liquid to rise through the roots to the aerial part of the plant, supplying the necessary nutrients.
Root fertilizers are carried out in several stages. The first portion of the necessary substances and trace elements is introduced before removing the protective screen. If fertilizers were applied in the fall, then the very first feeding can be omitted. First, a trench is prepared, digging a grape bush within a radius of 80 centimeters and a depth of half a meter. Then, the necessary nitrogen-containing compounds are laid in the root region of the bush, after which the trench is buried and watered.
The next top dressing is carried out a few weeks before flowering. A mixture of nitrogen, superphosphate and potassium is added to the hole in special proportions, after which the groove is covered with a layer of soil. You can also fertilize with water-soluble compounds such as nitrophoska, "Master" and "Mortar". Prepare a solution according to the scheme: 50 grams per 10 liters of water and pour into a hole. After drying loosen the top layer of soil.
We should not forget about organic matter, which is necessary for the development of inflorescences and reduce their loss. Manure or droppings are bred in the proportion: 1 kilogram of manure or 40 grams of bird droppings per square meter of land. Organic fertilizers are applied in the same way as mineral fertilizers. The next top dressing should be carried out in late spring, about a few days before flowering. A mixture is prepared from the mineral compositions of nitrogen, superphosphate and potassium in proportions one to one.
You can use a pre-prepared infusion as complex compounds.For this, any organic matter is taken, which is diluted with water at the rate of one to two. The solution must ferment, after which it is diluted with water, then 20 grams of superphosphate fertilizers with potassium are dissolved in 10 liters. This complex composition irrigates the soil around the bush.
The third top dressing is necessary immediately after the flowering of the grapes, a week before the appearance of the fruit ovary. During this period, you need to supply the grapes with nitrogen in order to get a good harvest, for which 20 grams of saltpeter, 10 grams of potassium are taken per 10 liters of water.
The next top dressing is carried out before harvesting, about a week in advance. It has a positive effect on the taste of fruits, while increasing their mass. At this time, nitrogen-containing fertilizers should not be given to the plant. The need for potassium and phosphorus compounds is increasing: 20 grams of superphosphate and the same amount of potassium are diluted in 10 liters of water. When the crop is harvested, the plant is additionally fed with potash fertilizers to replenish the wasted strength.
Another top dressing is done in the autumn months. It prepares the plant for hibernation, creating a supply of the necessary substances. To do this, it is best to use rotted organic matter, which will create humus. At the same time, grapes need potassium and phosphorus, as well as sulfur, boron, manganese and zinc. In some cases, iodine is added.
For chernozem regions, pre-winter top dressing can be omitted. For other regions with depleted soil, a mineral composition is prepared from superphosphate and potassium salt, 10 grams each, with the addition of boric acid and iodine, one gram each, as well as zinc and manganese sulfate, two grams each.
From organic matter, rotted manure is taken at the rate of 2 kilograms per square meter, which is applied in dry or diluted form. Bird droppings must be applied in an aqueous solution: for one square meter of planting - dilute one kilogram in a liter of water. Ash is applied only to highly moistened soil in the form of a solution.
Foliar
Foliar top dressing gives the maximum effect, coupled with root fertilization. Plants are treated in the evening or in the morning in calm, calm weather to ensure that the leaves have a good absorption of nutrients. Then the solution does not evaporate, evenly distributed over the surface of the crown of the bush. You need to spray the bottom of the leaf. It is there that the receptive respiratory pores of the plant are located. Sometimes it is better to replace mechanical spraying in a simple way, irrigating the leaves of the vine by hand.
Foliar top dressing is carried out in several stages. To process one plant, take a bucket of water in which five grams of boric acid are diluted. Then the green parts of the plant are irrigated with this composition a few days before flowering. It is important not to overdo it here, as an excess of boron can damage the plant. The next step is preparing formulations with phosphorus. And to stimulate pollination after the plant enters the flowering phase, it is sprayed with potassium humate or humisol.
In the flowering phase, the grapes are sprayed with superphosphate, which is pre-infused. Then the top layer of the infusion is drained, and sulfate compounds of manganese and iron, one gram of boric acid and zinc are added to the sediment.
From folk remedies, an infusion of hay is used as a foliar top dressing, for which grass is put into a container, left to ferment for two weeks, and then diluted based on a bucket of water - one liter. Vine leaves are treated with this composition.
As additional nutrients, you can prepare an irrigation solution from wood ash. Prepare it like this: 500 grams of ash is diluted in a bucket of water. Ash in the form of a powder is used to irrigate the surface of grape bushes during the appearance of inflorescences.
In the flowering phase, a good foliar top dressing is also needed. It takes place a week after this phase. To supply the plant with boron, it is recommended to irrigate the grapes with compounds like Vuksal KombiB. It promotes the fertilization of flowers and prevents them from falling off.
For irrigation, experts advise using complex preparations, such as Aquarin, Plantafol, Novofert, Valagro and others. After the formation of ovules and ovaries, it is recommended to treat the plant with a solution from various kinds of pests and diseases, with a special fungicide. Approximately two weeks before the berries are fully ripe, it is necessary to spray with potassium-phosphorus fertilizers. This will help the vine prepare for the cold.
Properly carried out foliar feeding significantly increases the immunity of the plant, contributes to its proper formation and abundant fruiting.
In order to avoid an excess of insoluble salts and harmful compounds, it is necessary to strictly adhere to the schedule for applying foliar and root fertilizers, as well as the necessary combination of elements and minerals.
In excess or incompatibility, they react and can harm plants.Root fertilizers are absorbed by the plant for a long time, so many gardeners prefer to use foliar fertilizers when irrigating vine leaves. In this case, there is no need for additional watering of the bush.
Folk remedies
Among the folk remedies for fertilizing a grape bush, bird droppings, manure, ash, peat and urea are used.
Manure is rich in potassium, nitrogen and phosphorus. It creates the structure of the soil, filling it with the necessary micro and macro elements, and is the basis for any mixtures. Dry mixes take time to digest, and slurry is quickly absorbed by the roots. It is introduced as the main fertilizer in autumn or spring. A portion of manure is introduced into the prepared container, half filled with water.
After a few days, the liquid is further diluted with water by half. To feed one grape plant, you need a bucket of manure.
Chicken manure is used as organic compounds. One liter of manure is diluted in four liters of water. The solution must ferment, after which the finished fertilizer is added with water up to 10 liters. This amount is enough to fertilize ten grape bushes: one liter for each grape bush.
Litter contains a large amount of urea, so it is not used in concentrate, trying to dilute it with water, otherwise you can destroy the grape roots. To remove excess urea from the litter, it is soaked. Bird droppings are added to the water, then every two days the settled water is drained, adding a new portion. In order for the fertilizer to acquire the desired concentration, three such soaks are needed. Watering the roots of plants with organic manure fertilizer is not recommended.
The most effective means of fertilizing grapes is compost.It consists of rotted grass with organic waste. You can also add manure there. All this is collected together and mixed in a pit or some kind of container, then covered with a thin layer of earth. The temperature created inside contributes to the processing of the components into a highly nutritious composition.
It is best to use compost as a fertilizer after rains. It must be remembered that plants treated with any organic fertilizers need watering.
Urea (urea) is also used to fertilize grapes. It is used in solutions, for example, with magnesium, potassium and superphosphate. Ammonium salts contribute to better absorption of phosphorus and potassium elements. The high nitrogen content makes urea an indispensable assistant in the spring, when the plant needs strength for the upcoming growing season. Carbamide is also recommended to be used to improve the acid-base balance of the soil.
Ash is used to fertilize grapes in the form of a solution. It is a source of potassium, lime, manganese, boron and phosphorus, does not contain chlorine. Ash creates an organic structure of the soil, changes its acidity, and also contributes to the development of microorganisms in it. Moreover, wood ash differs from ash from sunflower husks and Jerusalem artichoke in its chemical composition. One of the most valuable is the ash from burnt birch firewood. It is advisable to introduce ash into the soil along with humus or peat. But it is not recommended to use it with nitrogen-containing mineral compounds, as there will be a loss of nitrogen. The ash is also used as a prophylactic against insects and pests. For these purposes, the leaf surface of the grape bush is pollinated with ash powder.
Peat is used as an organic fertilizer. This is a highly nutritious composition from organic remains. It is formed in wetlands by rotting organic matter. It takes a lot of time to form it, so peat compositions are best purchased ready-made. Peat is used in dry form, diluted with water and as peat slurry.
Peat masses are subdivided into upland, lowland and intermediate. Each of them corresponds to a certain qualitative composition. So, for example, the top layer of peat is not used for introduction into the soil with high acidity. Peat contains few nutrients, but is rich in nitrogen. It mulches the soil well, promotes its formation and restoration.
Common mistakes
Viticulture is a difficult science, which is unlikely to be mastered quickly and without problems. Mistakes happen. Therefore, in this matter, experience comes only with time, and growing a healthy vine is worth a lot.
The wrong actions of gardeners when fertilizing grapes are that the mineral compositions are not dug deep enough, but are scattered over the soil. Introduction to a shallow depth deprives the plant of the opportunity to receive the necessary nutrition in full. Simply put, fertilizer formulations do not go to the roots. Nitrogen is washed out, and phosphorus and potassium do not enter the soil to a sufficient depth.
This is especially noticeable with insufficient watering. It is necessary to properly fertilize vine bushes to a sufficient depth, in the very heart of the root system, to allow the plant to use all its energy potential to the fullest.
From organic matter, well-rotted manure should be buried deeply.You need to fertilize special furrows in the aisle. Mineral mixtures should be laid in one furrow, and organic mixtures in both. Mineral fertilizers are used on top of organic fertilizers, and not vice versa.
If you constantly put top dressing on the surface, while providing regular watering in small portions, then a superficial root system will develop, which will lead to atrophy of deep roots.
To speed up the appearance of fruit clusters, some gardeners add a deliberate amount of all kinds of fertilizers to the soil. This should not be done, since the elements enter into chemical reactions and can simply burn the plant. It is necessary to adhere to the rules for applying fertilizers, and also not to exceed their quantitative composition, which is calculated individually for each plant. A plant saturated with fertilizers loses its immunity, becomes ill and may eventually die.
In early spring, it is necessary to fertilize a young grape bush, and only if the main fertilizer was not applied in the fall.
It is necessary to feed the grapes if a capsule of the necessary substances was not laid during planting. When properly planted, the plant does not need to be fed for two years from the date of planting.
For successful fruiting, adult grape plants should be fertilized abundantly in the spring to supply the vine with all the necessary elements and minerals. This should be done strictly according to the rules, listening to the advice of experienced gardeners.
For example, experts believe that liquid fertilizers should be applied in the spring, after watering the soil abundantly. Such aqueous formulations are easily and safely absorbed by the roots. And in the fall, you can use dry mixes.After laying fertilizers, the trench or groove must be carefully tamped and additionally watered.
To use ash-based fertilizers, you must follow the necessary rules so that the plant does not get root burns. So, before making a solution of ash, the plant should be watered abundantly.
You can learn viticulture through trial and error. And it is possible, knowing all the subtleties and nuances of growing a grape crop, to avoid major mistakes and become a real ace in your field.
Helpful Hints
By following some simple tips for caring for and growing grapes, you can avoid many unpleasant surprises, as well as get a good harvest.
Fertilizers are applied strictly according to the specified norms. Do not fertilize grapes unnecessarily. Excessive zeal can adversely affect the life of the plant and leave you without a crop.
In early spring, top dressing should be applied only in the form of solutions. The rest of the time, the plant can be fertilized with dry mixtures.
Throughout the year, it is better to adhere to an exact feeding schedule. This will give the plant cyclicity, discipline and ensure a good harvest on time.
When foliar top dressing is carried out, about half a glass of granulated sugar is added to the finished solution with substances. So the necessary elements will stick to the surface of the sheet and be effectively absorbed. Then it is enough to irrigate the bush every day with water for the best absorption of the settled particles of the solution.
For fertilizing grapes growing on acidic soils, it is not recommended to use urea, as it will increase the acid-base balance of the soil.
When preparing compounds for fertilizing grapes, rubber gloves and a respirator should be used so that particles of concentrated mixtures do not get on the skin or in the respiratory tract.
Boron in large quantities is harmful to grapes. You should be careful when using this element as a fertilizer and do not exceed the indicated dose.
To feed the grapes in the spring, you need to know a lot about the plant, its properties, phases and life cycles. From all this it follows that the plant needs spring top dressing for the implementation of vegetation and fruiting. It improves nutrition, prevents the loss of flowers, preserves the varietal qualities of grapes.
It should be remembered that the first top dressing should be carried out when the plant has not been fertilized since autumn. Otherwise, the bush may receive an overabundance of nutrients, which will negatively affect its life. The indicated dosages should be strictly followed according to the recommended norms and standards for growing this crop. Then every year will be fruitful for you!
For information on how and how to feed the grapes in the spring to get a good harvest, see the following video.