In different periods of a year, there are different ways of fertilization in vineyards, so we should not be blind(sureroot plug trays bulk). Here is a detailed introduction of fertilization methods, hoping to help you. Generally, nitrogen fertilizer (water-soluble fertilizer with a large amount of elements) is applied before the grape sprouts(24 cell propagation trays wholesale). The purpose of this application is to promote the germination of grapes in order, the leaves are thick, and the inflorescences are large and strong.
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That is, the fruit grain is as big as mung bean, and it is applied when it is as big as soybean(large plastic terracotta pots). Nitrogen is the main fertilizer for fruit farmers, and phosphorus and potassium are applied simultaneously. It can be applied with high nitrogen compound fertilizer, common three element compound fertilizer and nitrogen fertilizer such as urea as appropriate(4 cell propagation trays wholesale). The amount of fertilizer should be large, accounting for about 50% of the annual amount of fertilizer.
(cheap white plastic hanging baskets wholesale)If the tree is too vigorous and the spring is not very dry, the water and fat can be omitted to avoid the excessive growth of new shoots(plastic plant pots wholesale suppliers). It is conducted in two times. 20-30 days before ripening, apply high potassium water-soluble fertilizer, and apply fertilizer once more when the grape berry begins to soften and has not been colored(6 cell propagation trays wholesale). In recent years or poor coloring, sugar is not high, can not sell a good price and so on.
Many of them can be directly applied with functional fertilizer(8 cell propagation trays wholesale), and a large number of elements water-soluble fertilizer can change color (high phosphorus and high potassium type is recommended, while containing trace elements boron and zinc). It refers to the application of fertilizer once after grape harvest, usually 15kg of water-soluble fertilizer (high nitrogen type), which is not only used to restore tree vigor(40 cell plug tray wholesale), but also to promote flower bud differentiation, so as to lay a foundation for the next year's high yield.
Then the fertilizer was put into the ditch and covered with soil(square grow pots). The traditional method is applied during the dormancy period of grape after fruit setting. It is recommended to apply in August and September, after grape harvest, during the growth of green branches and leaves(12 cell propagation trays wholesale). At this time, it is the second peak of grape root growth, which can promote grapes to produce a large number of fibrous roots, so as to strengthen the tree potential and be more conducive to overwintering.(cheap white plastic hanging baskets wholesale)
Two water should be poured in succession, and the interval between them is usually 5-7 days(plastic plant trays wholesale). In addition, before the grape overwintering, it should be watered once to make it permeable. After the soil is loose, it should be ploughed once, which is extremely beneficial to antifreeze(18 cell propagation trays wholesale). Fertilization should be carried out in accordance with the characteristics of grape's need and absorption of fertilizer and the local soil fertility.
This time, the fertilizer is mainly organic fertilizer (if you apply farmyard fertilizer, please pay attention to maturity!), at the same time(cheap plastic plant pots bulk), apply calcium fertilizer, or add a small amount of three elements. After the expansion of fertilizer, the ripening fertilizer will not be applied, or the fruit will turn color (commonly known as water pot disease) or lack of fertilizer(36 cell propagation trays wholesale), which will lead to poor resistance, disease, high yield and poor harvest.(cheap white plastic hanging baskets wholesale)
This method is suitable for young orchard, the advantage is that the fertilizer is more concentrated than the whole orchard, and the mixed fertilizer of coarse fertilizer and fine fertilizer, slow effect and quick effect is used(gallon pot). The extension of the root system of fruit trees, digging a trench 40-60 cm deep and 40 cm wide at the outer edge of the crown(40 cell propagation trays wholesale). This method is suitable for applying organic fertilizer to barren orchards, newly cultivated orchards and young orchards with small crown in winter or early spring.