Reasonable fertilization of grapes increases yield and sweetens

Grapes are typical potassium-loving plants known as "potassium plants." The grape's reproductive cycle is divided into the period of injuring, sprouting, growth of new shoots, flowering, berry growth and maturation, dendrite maturation and dormancy. Among them, the flowering period and the berry growth and maturation period are the critical period for the grapes to need fertilizer. Rational fertilization can not only increase the yield of grapes, but also improve the quality of the products and increase the yield and sweetness.

1. Base fertilizer. The basal fertilizer of grapes is mainly organic fertilizers, with chemical fertilizers, and 1 to 2 kg of compound fertilizer is mixed per 100 kg of organic fertilizer. Young trees apply 20 to 30 kg/plant, 30 to 50 kg/tree at the beginning of the tree, 50 to 100 kg/tree at the age of fruit trees. Basal fertilizers are generally applied after the grapes are harvested, the sooner they are applied, the better. The basal fertilizer is often applied in a disk-like manner. The soil is gradually deepened from the inside to the outside of the tree tray. The depth of the soil is 15cm deep in the root and 30cm to 40cm deep in the far root. The organic fertilizer is then sprinkled in the pan and mixed with the soil. Evenly, then remove the soil and cover it with fertilizer. It is also possible to dig a groove with a width of 60cm and a depth of 60cm on both sides of the tree at a distance of 60-80cm from the tree trunk. Fertilizer is then applied to mix the fertilizer with the soil and then the soil is filled.

2. Top dressing. During the growing period, the top dressing is usually applied 2 to 3 times. Shoot shoots before flowering until the first time before flowering. Each plant applies 1 to 1.5 kg of compound fertilizer and is applied to a small ditch. If no basal fertilizer was applied in the fall of last year, organic fertilizer should be applied. Before the berry grows (about the beginning of July), the 2nd fertilizer is chased, and about 1kg of high potassium compound fertilizer is applied per plant to reduce the fruit drop and increase the fruit setting rate. Into the berry growing period to recover the third fertilizer, this period requires a large amount of fertilizer, and nitrogen and potassium nutrients are divided into, each plant applies about 2kg of compound fertilizer.

3. Root fertilization. Grapes are sensitive to the lack of trace elements such as boron, manganese, zinc and iron. The grape should be sprayed with 0.1% to 0.2% borax solution, 0.2% manganese sulfate solution, 0.2% to 0.3% zinc sulfate solution, 0.5% to 0.1% ferrous sulfate solution, and 0.2% to 0.3% phosphoric acid. Hydrogen potassium solution once, can be combined with top dressing together.

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Tube Gestation crates

Tube Gestation Crates

Tube Gestation Crates,Dip Galvanized Tube Gestation Crates,Solid Rod Tube Gestation Crates,Automatic-Welding Tube Gestation Crates

HuangHua FengYi Honde Metal Factory ,

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